Findbugs all over:

- Serializable
 - hashCode()
 - Make DataStructureImpl Serializable (removed from DataStructure in 2005)

apps/addressbook/java/src/net/i2p/addressbook/Servlet.java

@@ -41,7 +41,9 @@ import javax.servlet.http.HttpServletResponse;
  *
  */
 public class Servlet extends HttpServlet {
-    private DaemonThread thread;
+
+    private static final long serialVersionUID = 1L;
+    private transient DaemonThread thread;
     //private String nonce;
     //private static final String PROP_NONCE = "addressbook.nonce";
 

apps/i2psnark/java/src/org/klomp/snark/SnarkManager.java

@@ -7,6 +7,7 @@ import java.io.FileOutputStream;
 import java.io.FilenameFilter;
 import java.io.IOException;
 import java.io.OutputStream;
+import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
@@ -1969,7 +1970,7 @@ public class SnarkManager implements CompleteListener {
      *  ignore case, current locale
      *  @since 0.9
      */
-    private static class IgnoreCaseComparator implements Comparator<Tracker> {
+    private static class IgnoreCaseComparator implements Comparator<Tracker>, Serializable {
         public int compare(Tracker l, Tracker r) {
             return l.name.toLowerCase().compareTo(r.name.toLowerCase());
         }

apps/i2psnark/java/src/org/klomp/snark/dht/NodeInfoComparator.java

@@ -3,6 +3,7 @@ package org.klomp.snark.dht;
  *  From zzzot, modded and relicensed to GPLv2
  */
 
+import java.io.Serializable;
 import java.util.Comparator;
 
 import net.i2p.crypto.SHA1Hash;
@@ -15,7 +16,7 @@ import net.i2p.data.DataHelper;
  * @since 0.9.2
  * @author zzz
  */
-class NodeInfoComparator implements Comparator<NodeInfo> {
+class NodeInfoComparator implements Comparator<NodeInfo>, Serializable {
     private final byte[] _base;
 
     public NodeInfoComparator(SHA1Hash h) {

apps/i2psnark/java/src/org/klomp/snark/web/BasicServlet.java

@@ -84,16 +84,17 @@ import net.i2p.util.SystemVersion;
  */
 class BasicServlet extends HttpServlet
 {   
-    protected final I2PAppContext _context;
+    private static final long serialVersionUID = 1L;
-    protected final Log _log;
+    protected transient final I2PAppContext _context;
+    protected transient final Log _log;
     protected File _resourceBase;
     private String _warBase;
     
-    private final MimeTypes _mimeTypes;
+    private transient final MimeTypes _mimeTypes;
     
     /** same as PeerState.PARTSIZE */
     private static final int BUFSIZE = 16*1024;
-    private ByteCache _cache = ByteCache.getInstance(16, BUFSIZE);
+    private transient ByteCache _cache = ByteCache.getInstance(16, BUFSIZE);
 
     private static final int WAR_CACHE_CONTROL_SECS = 24*60*60;
     private static final int FILE_CACHE_CONTROL_SECS = 24*60*60;

apps/i2psnark/java/src/org/klomp/snark/web/I2PSnarkServlet.java

@@ -3,6 +3,7 @@ package org.klomp.snark.web;
 import java.io.File;
 import java.io.IOException;
 import java.io.PrintWriter;
+import java.io.Serializable;
 import java.text.Collator;
 import java.text.DecimalFormat;
 import java.text.SimpleDateFormat;
@@ -44,11 +45,13 @@ import org.klomp.snark.dht.DHT;
  *  Refactored to eliminate Jetty dependencies.
  */
 public class I2PSnarkServlet extends BasicServlet {
+
+    private static final long serialVersionUID = 1L;
     /** generally "/i2psnark" */
     private String _contextPath;
     /** generally "i2psnark" */
     private String _contextName;
-    private SnarkManager _manager;
+    private transient SnarkManager _manager;
     private long _nonce;
     private String _themePath;
     private String _imgPath;
@@ -1111,8 +1114,7 @@ public class I2PSnarkServlet extends BasicServlet {
      *  (I guess this is worth it, a lot of torrents start with "The "
      *  @since 0.7.14
      */
-    private static class TorrentNameComparator implements Comparator<Snark> {
+    private static class TorrentNameComparator implements Comparator<Snark>, Serializable {
-        private final Comparator collator = Collator.getInstance();
 
         public int compare(Snark l, Snark r) {
             // put downloads and magnets first
@@ -1128,7 +1130,7 @@ public class I2PSnarkServlet extends BasicServlet {
             String rlc = rs.toLowerCase(Locale.US);
             if (rlc.startsWith("the ") || rlc.startsWith("the.") || rlc.startsWith("the_"))
                 rs = rs.substring(4);
-            return collator.compare(ls, rs);
+            return Collator.getInstance().compare(ls, rs);
         }
     }
 
@@ -1627,7 +1629,8 @@ public class I2PSnarkServlet extends BasicServlet {
      *  Sort by completeness (seeds first), then by ID
      *  @since 0.8.1
      */
-    private static class PeerComparator implements Comparator<Peer> {
+    private static class PeerComparator implements Comparator<Peer>, Serializable {
+
         public int compare(Peer l, Peer r) {
             int diff = r.completed() - l.completed();      // reverse
             if (diff != 0)
@@ -2211,15 +2214,14 @@ public class I2PSnarkServlet extends BasicServlet {
      *  directories first
      *  @since 0.9.6
      */
-    private static class ListingComparator implements Comparator<File> {
+    private static class ListingComparator implements Comparator<File>, Serializable {
-        private final Comparator collator = Collator.getInstance();
 
         public int compare(File l, File r) {
             if (l.isDirectory() && !r.isDirectory())
                 return -1;
             if (r.isDirectory() && !l.isDirectory())
                 return 1;
-            return collator.compare(l.getName(), r.getName());
+            return Collator.getInstance().compare(l.getName(), r.getName());
         }
     }
 

apps/ministreaming/java/src/net/i2p/client/streaming/I2PSocketAddress.java

@@ -15,8 +15,9 @@ import net.i2p.data.DataHelper;
  */
 public class I2PSocketAddress extends SocketAddress {
 
+    private static final long serialVersionUID = 1L;
     private final int _port;
-    private Destination _dest;
+    private transient Destination _dest;
     private final String _host;
 
     /**

apps/routerconsole/java/src/net/i2p/router/update/ConsoleUpdateManager.java

@@ -1584,6 +1584,12 @@ public class ConsoleUpdateManager implements UpdateManager, RouterApp {
             return super.equals(o) && (o instanceof VersionAvailable);
         }
 
+        @Override
+        public int hashCode() {
+            // findbugs
+            return super.hashCode();
+        }
+
         @Override
         public String toString() {
             return "VersionAvailable \"" + version + "\" " + sourceMap +

apps/routerconsole/java/src/net/i2p/router/web/BanlistRenderer.java

@@ -9,6 +9,7 @@ package net.i2p.router.web;
  */
 
 import java.io.IOException;
+import java.io.Serializable;
 import java.io.Writer;
 import java.util.Comparator;
 import java.util.Map;
@@ -30,7 +31,7 @@ public class BanlistRenderer {
         _context = context;
     }
     
-    private static class HashComparator implements Comparator<Hash> {
+    private static class HashComparator implements Comparator<Hash>, Serializable {
          public int compare(Hash l, Hash r) {
              return l.toBase64().compareTo(r.toBase64());
         }

apps/routerconsole/java/src/net/i2p/router/web/ConfigStatsHelper.java

@@ -1,7 +1,7 @@
 package net.i2p.router.web;
 
-import java.util.ArrayList;
 import java.text.Collator;
+import java.util.ArrayList;
 import java.util.Comparator;
 import java.util.HashSet;
 import java.util.List;
@@ -171,6 +171,7 @@ public class ConfigStatsHelper extends HelperBase {
 
     /**
      *  Translated sort
+     *  Inner class, can't be Serializable
      *  @since 0.9.4
      */
     private class AlphaComparator implements Comparator<String> {

apps/routerconsole/java/src/net/i2p/router/web/GraphHelper.java

@@ -1,6 +1,7 @@
 package net.i2p.router.web;
 
 import java.io.IOException;
+import java.io.Serializable;
 import java.io.Writer;
 import java.util.Comparator;
 import java.util.HashMap;
@@ -440,7 +441,7 @@ public class GraphHelper extends FormHandler {
         }
     }
 
-    private static class AlphaComparator implements Comparator<SummaryListener> {
+    private static class AlphaComparator implements Comparator<SummaryListener>, Serializable {
         public int compare(SummaryListener l, SummaryListener r) {
             String lName = l.getRate().getRateStat().getName();
             String rName = r.getRate().getRateStat().getName();

apps/routerconsole/java/src/net/i2p/router/web/HomeHelper.java

@@ -1,5 +1,6 @@
 package net.i2p.router.web;
 
+import java.io.Serializable;
 import java.util.Collection;
 import java.util.Comparator;
 import java.util.List;
@@ -238,7 +239,7 @@ public class HomeHelper extends HelperBase {
     }
 
     /** ignore case, current locale */
-    private static class AppComparator implements Comparator<App> {
+    private static class AppComparator implements Comparator<App>, Serializable {
         public int compare(App l, App r) {
             return l.name.toLowerCase().compareTo(r.name.toLowerCase());
         }

apps/routerconsole/java/src/net/i2p/router/web/JobQueueHelper.java

@@ -3,6 +3,7 @@ package net.i2p.router.web;
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.io.OutputStreamWriter;
+import java.io.Serializable;
 import java.io.Writer;
 import java.util.ArrayList;
 import java.util.Collections;
@@ -204,14 +205,14 @@ public class JobQueueHelper extends HelperBase {
     }
 
     /** @since 0.8.9 */
-    private static class JobStatsComparator implements Comparator<JobStats> {
+    private static class JobStatsComparator implements Comparator<JobStats>, Serializable {
          public int compare(JobStats l, JobStats r) {
              return l.getName().compareTo(r.getName());
         }
     }
 
     /** @since 0.9.5 */
-    private static class JobCountComparator implements Comparator<String> {
+    private static class JobCountComparator implements Comparator<String>, Serializable {
          private final ObjectCounter<String> _counter;
 
          public JobCountComparator(ObjectCounter<String> counter) {

apps/routerconsole/java/src/net/i2p/router/web/NetDbRenderer.java

@@ -9,6 +9,7 @@ package net.i2p.router.web;
  */
 
 import java.io.IOException;
+import java.io.Serializable;
 import java.io.Writer;
 import java.math.BigInteger;         // debug
 import java.text.Collator;
@@ -46,6 +47,9 @@ public class NetDbRenderer {
         _context = ctx;
     }
 
+    /**
+     *  Inner class, can't be Serializable
+     */
     private class LeaseSetComparator implements Comparator<LeaseSet> {
          public int compare(LeaseSet l, LeaseSet r) {
              Destination dl = l.getDestination();
@@ -59,7 +63,7 @@ public class NetDbRenderer {
     }
 
     /** for debugging @since 0.7.14 */
-    private static class LeaseSetRoutingKeyComparator implements Comparator<LeaseSet> {
+    private static class LeaseSetRoutingKeyComparator implements Comparator<LeaseSet>, Serializable {
          private final Hash _us;
          public LeaseSetRoutingKeyComparator(Hash us) {
              _us = us;
@@ -69,7 +73,7 @@ public class NetDbRenderer {
         }
     }
 
-    private static class RouterInfoComparator implements Comparator<RouterInfo> {
+    private static class RouterInfoComparator implements Comparator<RouterInfo>, Serializable {
          public int compare(RouterInfo l, RouterInfo r) {
              return l.getIdentity().getHash().toBase64().compareTo(r.getIdentity().getHash().toBase64());
         }
@@ -365,9 +369,13 @@ public class NetDbRenderer {
         return Translate.getString(name, _context, Messages.COUNTRY_BUNDLE_NAME);
     }
 
-    /** sort by translated country name using rules for the current language setting */
+    /**
+     *  Sort by translated country name using rules for the current language setting
+     *  Inner class, can't be Serializable
+     */
     private class CountryComparator implements Comparator<String> {
-         Collator coll;
+         private static final long serialVersionUID = 1L;
+         private final Collator coll;
 
          public CountryComparator() {
              super();

apps/routerconsole/java/src/net/i2p/router/web/ProfileOrganizerRenderer.java

@@ -1,6 +1,7 @@
 package net.i2p.router.web;
 
 import java.io.IOException;
+import java.io.Serializable;
 import java.io.Writer;
 import java.text.DecimalFormat;
 import java.util.Comparator;
@@ -330,7 +331,7 @@ class ProfileOrganizerRenderer {
      *  Used for floodfill-only page
      *  @since 0.9.8
      */
-    private static class HashComparator implements Comparator<PeerProfile> {
+    private static class HashComparator implements Comparator<PeerProfile>, Serializable {
         public int compare(PeerProfile left, PeerProfile right) {
             return left.getPeer().toBase64().compareTo(right.getPeer().toBase64());
         }

apps/routerconsole/java/src/net/i2p/router/web/StatsGenerator.java

@@ -252,6 +252,7 @@ public class StatsGenerator {
 
     /**
      *  Translated sort
+     *  Inner class, can't be Serializable
      *  @since 0.9.3
      */
     private class AlphaComparator implements Comparator<String> {

apps/routerconsole/java/src/net/i2p/router/web/SummaryHelper.java

@@ -461,7 +461,10 @@ public class SummaryHelper extends HelperBase {
         return buf.toString();
     }
     
-    /** compare translated nicknames - put "shared clients" first in the sort */
+    /**
+     *  Compare translated nicknames - put "shared clients" first in the sort
+     *  Inner class, can't be Serializable
+     */
     private class AlphaComparator implements Comparator<Destination> {
         private final String xsc = _("shared clients");
 

apps/routerconsole/java/src/net/i2p/router/web/TunnelRenderer.java

@@ -1,6 +1,7 @@
 package net.i2p.router.web;
 
 import java.io.IOException;
+import java.io.Serializable;
 import java.io.Writer;
 import java.util.ArrayList;
 import java.util.Collections;
@@ -133,7 +134,7 @@ public class TunnelRenderer {
         out.write("</div>");
     }
     
-    private static class TunnelComparator implements Comparator<HopConfig> {
+    private static class TunnelComparator implements Comparator<HopConfig>, Serializable {
          public int compare(HopConfig l, HopConfig r) {
              return (r.getProcessedMessagesCount() - l.getProcessedMessagesCount());
         }

apps/susidns/src/java/src/i2p/susi/dns/AddressByNameSorter.java

@@ -24,9 +24,10 @@
 
 package i2p.susi.dns;
 
+import java.io.Serializable;
 import java.util.Comparator;
 
-public 	class AddressByNameSorter implements Comparator<AddressBean>
+public class AddressByNameSorter implements Comparator<AddressBean>, Serializable
 {
 	public int compare(AddressBean a, AddressBean b)
 	{

apps/susimail/src/src/i2p/susi/webmail/WebMail.java

@@ -43,6 +43,7 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.io.PrintWriter;
+import java.io.Serializable;
 import java.io.StringWriter;
 import java.io.UnsupportedEncodingException;
 import java.text.Collator;
@@ -235,7 +236,7 @@ public class WebMail extends HttpServlet
 	 * 
 	 * @since 0.9.13
 	 */
-	private abstract static class SorterBase implements Comparator<String> {
+	private abstract static class SorterBase implements Comparator<String>, Serializable {
 		private final MailCache mailCache;
 		
 		/**

build.xml

@@ -1488,6 +1488,7 @@
             <arg value="build/i2psnark.war"/>
             <arg value="build/i2ptunnel.jar"/>
             <arg value="build/i2ptunnel.war"/>
+            <arg value="build/jetty-i2p.jar"/>
             <arg value="build/mstreaming.jar"/>
             <arg value="build/router.jar/"/>
             <arg value="build/desktopgui.jar"/>

core/java/src/gnu/crypto/prng/BasePRNGStandalone.java

@@ -41,6 +41,7 @@ package gnu.crypto.prng;
 // do so, delete this exception statement from your version.
 // ----------------------------------------------------------------------------
 
+import java.io.Serializable;
 import java.util.Map;
 
 /**
@@ -49,7 +50,7 @@ import java.util.Map;
  * Modified slightly by jrandom for I2P (removing unneeded exceptions)
  * @version $Revision: 1.1 $
  */
-public abstract class BasePRNGStandalone implements IRandomStandalone {
+public abstract class BasePRNGStandalone implements IRandomStandalone, Serializable {
 
    // Constants and variables
    // -------------------------------------------------------------------------

core/java/src/net/i2p/crypto/CryptixAESKeyCache.java

@@ -1,5 +1,6 @@
 package net.i2p.crypto;
 
+import java.io.Serializable;
 import java.util.concurrent.LinkedBlockingQueue;
 
 /**
@@ -52,21 +53,26 @@ public final class CryptixAESKeyCache {
     
     public static final KeyCacheEntry createNew() {
         KeyCacheEntry e = new KeyCacheEntry();
-        e.Ke = new int[ROUNDS + 1][BC]; // encryption round keys
-        e.Kd = new int[ROUNDS + 1][BC]; // decryption round keys
-        e.tk = new int[KC];
-        e.key = new Object[] { e.Ke, e.Kd };
         return e;
     }
     
     /**
      * all the data alloc'ed in a makeKey call
      */
-    public static final class KeyCacheEntry {
+    public static class KeyCacheEntry implements Serializable {
-        int[][] Ke;
+        /** encryption round keys */
-        int[][] Kd;
+        final int[][] Ke;
-        int[]   tk;
+        /** decryption round keys */
-        
+        final int[][] Kd;
-        Object[] key;
+        final int[]   tk;
+        /** Ke, Kd */
+        final Object[] key;
+
+        public KeyCacheEntry() {
+            Ke = new int[ROUNDS + 1][BC];
+            Kd = new int[ROUNDS + 1][BC];
+            tk = new int[KC];
+            key = new Object[] { Ke, Kd };
+        }
     }
 }

core/java/src/net/i2p/crypto/TransientSessionKeyManager.java

@@ -10,6 +10,7 @@ package net.i2p.crypto;
  */
 
 import java.io.IOException;
+import java.io.Serializable;
 import java.io.Writer;
 import java.util.ArrayList;
 import java.util.Comparator;
@@ -798,7 +799,7 @@ public class TransientSessionKeyManager extends SessionKeyManager {
      *  Just for the HTML method above so we can see what's going on easier
      *  Earliest first
      */
-    private static class TagSetComparator implements Comparator<TagSet> {
+    private static class TagSetComparator implements Comparator<TagSet>, Serializable {
          public int compare(TagSet l, TagSet r) {
              int rv = (int) (l.getDate() - r.getDate());
              if (rv != 0)

core/java/src/net/i2p/data/DataHelper.java

@@ -24,6 +24,7 @@ import java.io.InputStreamReader;
 import java.io.OutputStream;
 import java.io.OutputStreamWriter;
 import java.io.PrintWriter;
+import java.io.Serializable;
 import java.io.UnsupportedEncodingException;
 import java.math.BigInteger;
 import java.security.MessageDigest;
@@ -1463,7 +1464,7 @@ public class DataHelper {
      * See sortStructures() comments.
      * @since 0.8.3
      */
-    private static class DataStructureComparator implements Comparator<DataStructure> {
+    private static class DataStructureComparator implements Comparator<DataStructure>, Serializable {
         public int compare(DataStructure l, DataStructure r) {
             return l.calculateHash().toBase64().compareTo(r.calculateHash().toBase64());
         }

core/java/src/net/i2p/data/DataStructureImpl.java

@@ -13,6 +13,7 @@ import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
+import java.io.Serializable;
 
 import net.i2p.I2PAppContext;
 import net.i2p.crypto.SHA256Generator;
@@ -23,7 +24,7 @@ import net.i2p.util.Log;
  *
  * @author jrandom
  */
-public abstract class DataStructureImpl implements DataStructure {
+public abstract class DataStructureImpl implements DataStructure, Serializable {
     
     public String toBase64() {
         byte data[] = toByteArray();

core/java/src/net/i2p/data/Destination.java

@@ -186,4 +186,10 @@ public class Destination extends KeysAndCert {
     public boolean equals(Object o) {
         return super.equals(o) && (o instanceof Destination);
     }
+
+    @Override
+    public int hashCode() {
+        // findbugs
+        return super.hashCode();
+    }
 }

core/java/src/net/i2p/data/i2cp/RequestLeaseSetMessage.java

@@ -12,6 +12,7 @@ package net.i2p.data.i2cp;
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
+import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.Date;
 import java.util.List;
@@ -28,9 +29,12 @@ import net.i2p.data.TunnelId;
  * @author jrandom
  */
 public class RequestLeaseSetMessage extends I2CPMessageImpl {
+
+    private static final long serialVersionUID = 1L;
     public final static int MESSAGE_TYPE = 21;
     private SessionId _sessionId;
-    private final List<TunnelEndpoint> _endpoints;
+    // ArrayList is Serializable, List is not
+    private final ArrayList<TunnelEndpoint> _endpoints;
     private Date _end;
 
     public RequestLeaseSetMessage() {
@@ -139,7 +143,8 @@ public class RequestLeaseSetMessage extends I2CPMessageImpl {
         return buf.toString();
     }
 
-    private static class TunnelEndpoint {
+    private static class TunnelEndpoint implements Serializable {
+        private static final long serialVersionUID = 1L;
         private final Hash _router;
         private final TunnelId _tunnelId;
 

core/java/src/net/i2p/data/i2cp/SessionConfig.java

@@ -35,7 +35,6 @@ import net.i2p.util.OrderedProperties;
  * @author jrandom
  */
 public class SessionConfig extends DataStructureImpl {
-    private final Log _log = I2PAppContext.getGlobalContext().logManager().getLog(SessionConfig.class);
     private Destination _destination;
     private Signature _signature;
     private Date _creationDate;
@@ -125,31 +124,32 @@ public class SessionConfig extends DataStructureImpl {
      */
     public boolean verifySignature() {
         if (getSignature() == null) {
-            if (_log.shouldLog(Log.WARN)) _log.warn("Signature is null!");
+            //if (_log.shouldLog(Log.WARN)) _log.warn("Signature is null!");
             return false;
         }
         if (getDestination() == null) {
-            if (_log.shouldLog(Log.WARN)) _log.warn("Destination is null!");
+            //if (_log.shouldLog(Log.WARN)) _log.warn("Destination is null!");
             return false;
         }
         if (getCreationDate() == null) {
-            if (_log.shouldLog(Log.WARN)) _log.warn("Date is null!");
+            //if (_log.shouldLog(Log.WARN)) _log.warn("Date is null!");
             return false;
         }
         if (tooOld()) {
-            if (_log.shouldLog(Log.WARN)) _log.warn("Too old!");
+            //if (_log.shouldLog(Log.WARN)) _log.warn("Too old!");
             return false;
         }
         byte data[] = getBytes();
         if (data == null) {
-            if (_log.shouldLog(Log.WARN)) _log.warn("Bytes could not be found - wtf?");
+            //if (_log.shouldLog(Log.WARN)) _log.warn("Bytes could not be found - wtf?");
             return false;
         }
 
         boolean ok = DSAEngine.getInstance().verifySignature(getSignature(), data,
                                                              getDestination().getSigningPublicKey());
         if (!ok) {
-            if (_log.shouldLog(Log.WARN)) _log.warn("DSA signature failed!");
+            Log log = I2PAppContext.getGlobalContext().logManager().getLog(SessionConfig.class);
+            if (log.shouldLog(Log.WARN)) log.warn("DSA signature failed!");
         }
         return ok;
     }
@@ -177,10 +177,12 @@ public class SessionConfig extends DataStructureImpl {
             DataHelper.writeProperties(out, _options, true);  // UTF-8
             DataHelper.writeDate(out, _creationDate);
         } catch (IOException ioe) {
-            _log.error("IOError signing", ioe);
+            Log log = I2PAppContext.getGlobalContext().logManager().getLog(SessionConfig.class);
+            log.error("IOError signing", ioe);
             return null;
         } catch (DataFormatException dfe) {
-            _log.error("Error writing out the bytes for signing/verification", dfe);
+            Log log = I2PAppContext.getGlobalContext().logManager().getLog(SessionConfig.class);
+            log.error("Error writing out the bytes for signing/verification", dfe);
             return null;
         }
         return out.toByteArray();

core/java/src/net/i2p/kademlia/KBucketSet.java

@@ -8,6 +8,7 @@ package net.i2p.kademlia;
  *
  */
 
+import java.io.Serializable;
 import java.math.BigInteger;
 import java.util.ArrayList;
 import java.util.Collection;
@@ -750,7 +751,7 @@ public class KBucketSet<T extends SimpleDataStructure> {
      *  For Collections.binarySearch.
      *  Returns equal for any overlap.
      */
-    private static class BucketComparator<T extends SimpleDataStructure> implements Comparator<KBucket<T>> {
+    private static class BucketComparator<T extends SimpleDataStructure> implements Comparator<KBucket<T>>, Serializable {
         public int compare(KBucket<T> l, KBucket<T> r) {
             if (l.getRangeEnd() < r.getRangeBegin())
                 return -1;

core/java/src/net/i2p/kademlia/XORComparator.java

@@ -1,5 +1,6 @@
 package net.i2p.kademlia;
 
+import java.io.Serializable;
 import java.util.Comparator;
 
 import net.i2p.data.SimpleDataStructure;
@@ -9,7 +10,7 @@ import net.i2p.data.SimpleDataStructure;
  *
  * @since 0.9.2 in i2psnark, moved to core in 0.9.10
  */
-public class XORComparator<T extends SimpleDataStructure> implements Comparator<T> {
+public class XORComparator<T extends SimpleDataStructure> implements Comparator<T>, Serializable {
     private final byte[] _base;
 
     /**

core/java/src/net/i2p/util/CachedIteratorArrayList.java

@@ -1,5 +1,6 @@
 package net.i2p.util;
 
+import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.ConcurrentModificationException;
@@ -38,7 +39,7 @@ public class CachedIteratorArrayList<E> extends ArrayList<E> {
         return iterator;
     }
 
-    private class CachedIterator implements Iterator<E> {
+    private class CachedIterator implements Iterator<E>, Serializable {
         /**
          * Index of element to be returned by subsequent call to next.
          */

core/java/src/net/i2p/util/NativeBigInteger.java

@@ -811,4 +811,10 @@ public class NativeBigInteger extends BigInteger {
         // for findbugs
         return super.equals(o);
     }
+
+    @Override
+    public int hashCode() {
+        // for findbugs
+        return super.hashCode();
+    }
 }

core/java/src/net/i2p/util/OrderedProperties.java

@@ -9,6 +9,7 @@ package net.i2p.util;
  *
  */
 
+import java.io.Serializable;
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.Map;
@@ -46,7 +47,7 @@ public class OrderedProperties extends Properties {
         return Collections.unmodifiableSortedSet(rv);
     }
 
-    private static class EntryComparator implements Comparator<Map.Entry<Object, Object>> {
+    private static class EntryComparator implements Comparator<Map.Entry<Object, Object>>, Serializable {
          public int compare(Map.Entry<Object, Object> l, Map.Entry<Object, Object> r) {
              return ((String)l.getKey()).compareTo(((String)r.getKey()));
         }

core/java/src/net/i2p/util/RandomSource.java

@@ -25,8 +25,10 @@ import net.i2p.crypto.EntropyHarvester;
  * @author jrandom
  */
 public class RandomSource extends SecureRandom implements EntropyHarvester {
+
+    private static final long serialVersionUID = 1L;
     private final EntropyHarvester _entropyHarvester;
-    protected final I2PAppContext _context;
+    protected transient final I2PAppContext _context;
 
     /**
      *  Deprecated - do not instantiate this directly, as you won't get the

core/java/src/net/i2p/util/VersionComparator.java

@@ -1,5 +1,6 @@
 package net.i2p.util;
 
+import java.io.Serializable;
 import java.util.Comparator;
 
 /**
@@ -9,7 +10,7 @@ import java.util.Comparator;
  * Moved from TrustedUpdate.java
  * @since 0.7.10
  */
-public class VersionComparator implements Comparator<String> {
+public class VersionComparator implements Comparator<String>, Serializable {
 
     public int compare(String l, String r) {
         return comp(l, r);

core/java/src/net/metanotion/io/block/index/BSkipLevels.java

@@ -29,6 +29,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 package net.metanotion.io.block.index;
 
 import java.io.IOException;
+import java.io.Serializable;
 import java.util.Comparator;
 import java.util.Set;
 import java.util.TreeSet;
@@ -311,7 +312,7 @@ public class BSkipLevels extends SkipLevels {
          *  Sorts in REVERSE order.
 	 *  @since 0.8.8
 	 */
-	private static class LevelComparator implements Comparator<SkipLevels> {
+	private static class LevelComparator implements Comparator<SkipLevels>, Serializable {
 		public int compare(SkipLevels l, SkipLevels r) {
 			Comparable lk = l.key();
 			Comparable rk = r.key();

router/java/src/net/i2p/data/i2np/GarlicClove.java

@@ -29,8 +29,10 @@ import net.i2p.util.Log;
  * @author jrandom
  */
 public class GarlicClove extends DataStructureImpl {
+
     //private final Log _log;
-    private final I2PAppContext _context;
+    private static final long serialVersionUID = 1L;
+    private transient final I2PAppContext _context;
     private DeliveryInstructions _instructions;
     private I2NPMessage _msg;
     private long _cloveId;

router/java/src/net/i2p/router/JobQueue.java

@@ -9,6 +9,7 @@ package net.i2p.router;
  */
 
 import java.io.IOException;
+import java.io.Serializable;
 import java.io.Writer;
 import java.util.Collection;
 import java.util.Collections;
@@ -658,7 +659,7 @@ public class JobQueue {
      *  Ensure different jobs with the same timing are different so they aren't removed.
      *  @since 0.8.9
      */
-    private static class JobComparator implements Comparator<Job> {
+    private static class JobComparator implements Comparator<Job>, Serializable {
          public int compare(Job l, Job r) {
              // equals first, Jobs generally don't override so this should be fast
              // And this MUST be first so we can remove a job even if its timing has changed.

router/java/src/net/i2p/router/PersistentKeyRing.java

@@ -16,7 +16,9 @@ import net.i2p.util.KeyRing;
  *  Caution - not all HashMap methods are overridden.
  */
 public class PersistentKeyRing extends KeyRing {
-    private RouterContext _ctx;
+
+    private static final long serialVersionUID = 1L;
+    private transient final RouterContext _ctx;
     private static final String PROP_PFX = "router.keyring.key.";
 
     public PersistentKeyRing(RouterContext ctx) {

router/java/src/net/i2p/router/peermanager/InverseCapacityComparator.java

@@ -1,5 +1,6 @@
 package net.i2p.router.peermanager;
 
+import java.io.Serializable;
 import java.util.Comparator;
 
 import net.i2p.data.DataHelper;
@@ -8,7 +9,7 @@ import net.i2p.data.DataHelper;
  * Order profiles by their capacity, but backwards (highest capacity / value first).
  *
  */
-class InverseCapacityComparator implements Comparator<PeerProfile> {
+class InverseCapacityComparator implements Comparator<PeerProfile>, Serializable {
     /**
      * Compare the two objects backwards.  The standard comparator returns
      * -1 if lhs is less than rhs, 1 if lhs is greater than rhs, or 0 if they're

router/java/src/net/i2p/router/peermanager/SpeedComparator.java

@@ -1,5 +1,6 @@
 package net.i2p.router.peermanager;
 
+import java.io.Serializable;
 import java.util.Comparator;
 
 import net.i2p.data.DataHelper;
@@ -8,7 +9,7 @@ import net.i2p.data.DataHelper;
  * Order profiles by their speed (lowest first).
  * @since 0.7.10
  */
-class SpeedComparator implements Comparator<PeerProfile> {
+class SpeedComparator implements Comparator<PeerProfile>, Serializable {
 
     public int compare(PeerProfile left, PeerProfile right) {
 

router/java/src/net/i2p/router/transport/TransportImpl.java

@@ -9,6 +9,7 @@ package net.i2p.router.transport;
  */
 
 import java.io.IOException;
+import java.io.Serializable;
 import java.io.Writer;
 import java.net.InetAddress;
 import java.util.ArrayList;
@@ -627,7 +628,7 @@ public abstract class TransportImpl implements Transport {
      *  Lowest cost (most preferred) first.
      *  @since IPv6
      */
-    private static class AddrComparator implements Comparator<RouterAddress> {
+    private static class AddrComparator implements Comparator<RouterAddress>, Serializable {
         private final int adj;
 
         public AddrComparator(int ipv6Adjustment) {

router/java/src/net/i2p/router/transport/ntcp/NTCPTransport.java

@@ -1,6 +1,7 @@
 package net.i2p.router.transport.ntcp;
 
 import java.io.IOException;
+import java.io.Serializable;
 import java.net.InetSocketAddress;
 import java.net.InetAddress;
 import java.net.Inet6Address;
@@ -1275,7 +1276,7 @@ public class NTCPTransport extends TransportImpl {
         public static final AlphaComparator instance() { return _instance; }
     }
 
-    private static class PeerComparator implements Comparator<NTCPConnection> {
+    private static class PeerComparator implements Comparator<NTCPConnection>, Serializable {
         public int compare(NTCPConnection l, NTCPConnection r) {
             if (l == null || r == null)
                 throw new IllegalArgumentException();

router/java/src/net/i2p/router/transport/udp/UDPTransport.java

@@ -1,6 +1,7 @@
 package net.i2p.router.transport.udp;
 
 import java.io.IOException;
+import java.io.Serializable;
 import java.io.Writer;
 import java.net.InetAddress;
 import java.net.SocketException;
@@ -2240,59 +2241,59 @@ public class UDPTransport extends TransportImpl implements TimedWeightedPriority
     private static final int FLAG_DEBUG = 99;
     
     private static Comparator<PeerState> getComparator(int sortFlags) {
-        Comparator<PeerState> rv = null;
+        Comparator<PeerState> rv;
         switch (Math.abs(sortFlags)) {
             case FLAG_IDLE_IN:
-                rv = IdleInComparator.instance();
+                rv = new IdleInComparator();
                 break;
             case FLAG_IDLE_OUT:
-                rv = IdleOutComparator.instance();
+                rv = new IdleOutComparator();
                 break;
             case FLAG_RATE_IN:
-                rv = RateInComparator.instance();
+                rv = new RateInComparator();
                 break;
             case FLAG_RATE_OUT:
-                rv = RateOutComparator.instance();
+                rv = new RateOutComparator();
                 break;
             case FLAG_UPTIME:
-                rv = UptimeComparator.instance();
+                rv = new UptimeComparator();
                 break;
             case FLAG_SKEW:
-                rv = SkewComparator.instance();
+                rv = new SkewComparator();
                 break;
             case FLAG_CWND:
-                rv = CwndComparator.instance();
+                rv = new CwndComparator();
                 break;
             case FLAG_SSTHRESH:
-                rv = SsthreshComparator.instance();
+                rv = new SsthreshComparator();
                 break;
             case FLAG_RTT:
-                rv = RTTComparator.instance();
+                rv = new RTTComparator();
                 break;
             //case FLAG_DEV:
-            //    rv = DevComparator.instance();
+            //    rv = new DevComparator();
             //    break;
             case FLAG_RTO:
-                rv = RTOComparator.instance();
+                rv = new RTOComparator();
                 break;
             case FLAG_MTU:
-                rv = MTUComparator.instance();
+                rv = new MTUComparator();
                 break;
             case FLAG_SEND:
-                rv = SendCountComparator.instance();
+                rv = new SendCountComparator();
                 break;
             case FLAG_RECV:
-                rv = RecvCountComparator.instance();
+                rv = new RecvCountComparator();
                 break;
             case FLAG_RESEND:
-                rv = ResendComparator.instance();
+                rv = new ResendComparator();
                 break;
             case FLAG_DUP:
-                rv = DupComparator.instance();
+                rv = new DupComparator();
                 break;
             case FLAG_ALPHA:
             default:
-                rv = AlphaComparator.instance();
+                rv = new AlphaComparator();
                 break;
         }
         if (sortFlags < 0)
@@ -2301,12 +2302,9 @@ public class UDPTransport extends TransportImpl implements TimedWeightedPriority
     }
 
     private static class AlphaComparator extends PeerComparator {
-        private static final AlphaComparator _instance = new AlphaComparator();
-        public static final AlphaComparator instance() { return _instance; }
     }
+
     private static class IdleInComparator extends PeerComparator {
-        private static final IdleInComparator _instance = new IdleInComparator();
-        public static final IdleInComparator instance() { return _instance; }
         @Override
         public int compare(PeerState l, PeerState r) {
             long rv = r.getLastReceiveTime() - l.getLastReceiveTime();
@@ -2316,9 +2314,8 @@ public class UDPTransport extends TransportImpl implements TimedWeightedPriority
                 return (int)rv;
         }
     }
+
     private static class IdleOutComparator extends PeerComparator {
-        private static final IdleOutComparator _instance = new IdleOutComparator();
-        public static final IdleOutComparator instance() { return _instance; }
         @Override
         public int compare(PeerState l, PeerState r) {
             long rv = r.getLastSendTime() - l.getLastSendTime();
@@ -2328,9 +2325,8 @@ public class UDPTransport extends TransportImpl implements TimedWeightedPriority
                 return (int)rv;
         }
     }
+
     private static class RateInComparator extends PeerComparator {
-        private static final RateInComparator _instance = new RateInComparator();
-        public static final RateInComparator instance() { return _instance; }
         @Override
         public int compare(PeerState l, PeerState r) {
             int rv = l.getReceiveBps() - r.getReceiveBps();
@@ -2340,9 +2336,8 @@ public class UDPTransport extends TransportImpl implements TimedWeightedPriority
                 return rv;
         }
     }
+
     private static class RateOutComparator extends PeerComparator {
-        private static final RateOutComparator _instance = new RateOutComparator();
-        public static final RateOutComparator instance() { return _instance; }
         @Override
         public int compare(PeerState l, PeerState r) {
             int rv = l.getSendBps() - r.getSendBps();
@@ -2352,9 +2347,8 @@ public class UDPTransport extends TransportImpl implements TimedWeightedPriority
                 return rv;
         }
     }
+
     private static class UptimeComparator extends PeerComparator {
-        private static final UptimeComparator _instance = new UptimeComparator();
-        public static final UptimeComparator instance() { return _instance; }
         @Override
         public int compare(PeerState l, PeerState r) {
             long rv = r.getKeyEstablishedTime() - l.getKeyEstablishedTime();
@@ -2364,9 +2358,8 @@ public class UDPTransport extends TransportImpl implements TimedWeightedPriority
                 return (int)rv;
         }
     }
+
     private static class SkewComparator extends PeerComparator {
-        private static final SkewComparator _instance = new SkewComparator();
-        public static final SkewComparator instance() { return _instance; }
         @Override
         public int compare(PeerState l, PeerState r) {
             long rv = Math.abs(l.getClockSkew()) - Math.abs(r.getClockSkew());
@@ -2376,9 +2369,8 @@ public class UDPTransport extends TransportImpl implements TimedWeightedPriority
                 return (int)rv;
         }
     }
+
     private static class CwndComparator extends PeerComparator {
-        private static final CwndComparator _instance = new CwndComparator();
-        public static final CwndComparator instance() { return _instance; }
         @Override
         public int compare(PeerState l, PeerState r) {
             int rv = l.getSendWindowBytes() - r.getSendWindowBytes();
@@ -2388,9 +2380,8 @@ public class UDPTransport extends TransportImpl implements TimedWeightedPriority
                 return rv;
         }
     }
+
     private static class SsthreshComparator extends PeerComparator {
-        private static final SsthreshComparator _instance = new SsthreshComparator();
-        public static final SsthreshComparator instance() { return _instance; }
         @Override
         public int compare(PeerState l, PeerState r) {
             int rv = l.getSlowStartThreshold() - r.getSlowStartThreshold();
@@ -2400,9 +2391,8 @@ public class UDPTransport extends TransportImpl implements TimedWeightedPriority
                 return rv;
         }
     }
+
     private static class RTTComparator extends PeerComparator {
-        private static final RTTComparator _instance = new RTTComparator();
-        public static final RTTComparator instance() { return _instance; }
         @Override
         public int compare(PeerState l, PeerState r) {
             int rv = l.getRTT() - r.getRTT();
@@ -2430,8 +2420,6 @@ public class UDPTransport extends TransportImpl implements TimedWeightedPriority
 
     /** */
     private static class RTOComparator extends PeerComparator {
-        private static final RTOComparator _instance = new RTOComparator();
-        public static final RTOComparator instance() { return _instance; }
         @Override
         public int compare(PeerState l, PeerState r) {
             int rv = l.getRTO() - r.getRTO();
@@ -2441,9 +2429,8 @@ public class UDPTransport extends TransportImpl implements TimedWeightedPriority
                 return rv;
         }
     }
+
     private static class MTUComparator extends PeerComparator {
-        private static final MTUComparator _instance = new MTUComparator();
-        public static final MTUComparator instance() { return _instance; }
         @Override
         public int compare(PeerState l, PeerState r) {
             int rv = l.getMTU() - r.getMTU();
@@ -2453,9 +2440,8 @@ public class UDPTransport extends TransportImpl implements TimedWeightedPriority
                 return rv;
         }
     }
+
     private static class SendCountComparator extends PeerComparator {
-        private static final SendCountComparator _instance = new SendCountComparator();
-        public static final SendCountComparator instance() { return _instance; }
         @Override
         public int compare(PeerState l, PeerState r) {
             long rv = l.getPacketsTransmitted() - r.getPacketsTransmitted();
@@ -2465,9 +2451,8 @@ public class UDPTransport extends TransportImpl implements TimedWeightedPriority
                 return (int)rv;
         }
     }
+
     private static class RecvCountComparator extends PeerComparator {
-        private static final RecvCountComparator _instance = new RecvCountComparator();
-        public static final RecvCountComparator instance() { return _instance; }
         @Override
         public int compare(PeerState l, PeerState r) {
             long rv = l.getPacketsReceived() - r.getPacketsReceived();
@@ -2477,9 +2462,8 @@ public class UDPTransport extends TransportImpl implements TimedWeightedPriority
                 return (int)rv;
         }
     }
+
     private static class ResendComparator extends PeerComparator {
-        private static final ResendComparator _instance = new ResendComparator();
-        public static final ResendComparator instance() { return _instance; }
         @Override
         public int compare(PeerState l, PeerState r) {
             long rv = l.getPacketsRetransmitted() - r.getPacketsRetransmitted();
@@ -2489,9 +2473,8 @@ public class UDPTransport extends TransportImpl implements TimedWeightedPriority
                 return (int)rv;
         }
     }
+
     private static class DupComparator extends PeerComparator {
-        private static final DupComparator _instance = new DupComparator();
-        public static final DupComparator instance() { return _instance; }
         @Override
         public int compare(PeerState l, PeerState r) {
             long rv = l.getPacketsReceivedDuplicate() - r.getPacketsReceivedDuplicate();
@@ -2502,7 +2485,7 @@ public class UDPTransport extends TransportImpl implements TimedWeightedPriority
         }
     }
     
-    private static class PeerComparator implements Comparator<PeerState> {
+    private static class PeerComparator implements Comparator<PeerState>, Serializable {
         public int compare(PeerState l, PeerState r) {
             return DataHelper.compareTo(l.getRemotePeer().getData(), r.getRemotePeer().getData());
         }

router/java/src/net/i2p/router/tunnel/pool/BuildExecutor.java

@@ -1,5 +1,6 @@
 package net.i2p.router.tunnel.pool;
 
+import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Comparator;
@@ -436,7 +437,7 @@ class BuildExecutor implements Runnable {
      *  WARNING - this sort may be unstable, as a pool's tunnel count may change
      *  during the sort. This will cause Java 7 sort to throw an IAE.
      */
-    private static class TunnelPoolComparator implements Comparator<TunnelPool> {
+    private static class TunnelPoolComparator implements Comparator<TunnelPool>, Serializable {
 
         private final boolean _preferEmpty;
 

router/java/src/net/i2p/router/tunnel/pool/TunnelPeerSelector.java

@@ -1,5 +1,6 @@
 package net.i2p.router.tunnel.pool;
 
+import java.io.Serializable;
 import java.math.BigInteger;
 import java.util.ArrayList;
 import java.util.Collection;
@@ -525,7 +526,7 @@ public abstract class TunnelPeerSelector {
      *  Now:
      *     d((H(l+h), h) - d(H(r+h), h)
      */
-    private static class HashComparator implements Comparator<Hash> {
+    private static class HashComparator implements Comparator<Hash>, Serializable {
         private final Hash _hash, tmp;
         private final byte[] data;
 

router/java/src/net/i2p/router/tunnel/pool/TunnelPool.java

@@ -1,5 +1,6 @@
 package net.i2p.router.tunnel.pool;
 
+import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Comparator;
@@ -640,7 +641,7 @@ public class TunnelPool {
      * but we use latest expiration first, since we need to sort them by that anyway.
      *
      */
-    private static class LeaseComparator implements Comparator<Lease> {
+    private static class LeaseComparator implements Comparator<Lease>, Serializable {
          public int compare(Lease l, Lease r) {
              return r.getEndDate().compareTo(l.getEndDate());
         }
@@ -651,7 +652,7 @@ public class TunnelPool {
      *
      * @since 0.8.10
      */
-    private static class TunnelInfoComparator implements Comparator<TunnelInfo> {
+    private static class TunnelInfoComparator implements Comparator<TunnelInfo>, Serializable {
         private final byte[] _base;
         private final boolean _avoidZero;
 

router/java/src/net/i2p/router/util/CoDelBlockingQueue.java

@@ -26,8 +26,9 @@ import net.i2p.util.Log;
  */
 public class CoDelBlockingQueue<E extends CDQEntry> extends LinkedBlockingQueue<E> {
 
-    private final I2PAppContext _context;
+    private static final long serialVersionUID = 1L;
-    private final Log _log;
+    private transient final I2PAppContext _context;
+    private transient final Log _log;
     private final String _name;
     private final int _capacity;
 

router/java/src/net/i2p/router/util/PriBlockingQueue.java

@@ -1,5 +1,6 @@
 package net.i2p.router.util;
 
+import java.io.Serializable;
 import java.util.Comparator;
 import java.util.concurrent.PriorityBlockingQueue;
 import java.util.concurrent.TimeUnit;
@@ -19,8 +20,9 @@ import net.i2p.util.Log;
  */
 public class PriBlockingQueue<E extends PQEntry> extends PriorityBlockingQueue<E> {
 
-    protected final I2PAppContext _context;
+    private static final long serialVersionUID = 1L;
-    protected final Log _log;
+    protected transient final I2PAppContext _context;
+    protected transient final Log _log;
     protected final String _name;
     private final AtomicLong _seqNum = new AtomicLong();
 
@@ -114,7 +116,7 @@ public class PriBlockingQueue<E extends PQEntry> extends PriorityBlockingQueue<E
     /**
      *  highest priority first, then lowest sequence number first
      */
-    private static class PriorityComparator<E extends PQEntry> implements Comparator<E> {
+    private static class PriorityComparator<E extends PQEntry> implements Comparator<E>, Serializable {
         public int compare(E l, E r) {
             int d = r.getPriority() - l.getPriority();
             if (d != 0)