diff --git a/gerrit-gwtdebug/BUCK b/gerrit-gwtdebug/BUCK
index 308c2f192d..a926773a1a 100644
--- a/gerrit-gwtdebug/BUCK
+++ b/gerrit-gwtdebug/BUCK
@@ -1,6 +1,11 @@
 java_library(
   name = 'gwtdebug',
   srcs = ['src/main/java/com/google/gerrit/gwtdebug/GerritDebugLauncher.java'],
-  deps = ['//lib/gwt:dev'],
+  deps = [
+    '//lib/gwt:dev',
+    '//lib/jetty:server',
+    '//lib/jetty:servlet',
+    '//lib/jetty:webapp',
+  ],
   visibility = ['//tools/eclipse:classpath'],
 )
diff --git a/gerrit-gwtdebug/src/main/java/com/google/gerrit/gwtdebug/GerritDebugLauncher.java b/gerrit-gwtdebug/src/main/java/com/google/gerrit/gwtdebug/GerritDebugLauncher.java
index 8a8a5b6581..7ba2a3ed23 100644
--- a/gerrit-gwtdebug/src/main/java/com/google/gerrit/gwtdebug/GerritDebugLauncher.java
+++ b/gerrit-gwtdebug/src/main/java/com/google/gerrit/gwtdebug/GerritDebugLauncher.java
@@ -19,29 +19,31 @@ import com.google.gwt.core.ext.ServletContainer;
 import com.google.gwt.core.ext.ServletContainerLauncher;
 import com.google.gwt.core.ext.TreeLogger;
 import com.google.gwt.core.ext.UnableToCompleteException;
-import com.google.gwt.dev.shell.jetty.JettyNullLogger;
 
-import org.mortbay.component.AbstractLifeCycle;
-import org.mortbay.jetty.AbstractConnector;
-import org.mortbay.jetty.HttpFields.Field;
-import org.mortbay.jetty.Request;
-import org.mortbay.jetty.RequestLog;
-import org.mortbay.jetty.Response;
-import org.mortbay.jetty.Server;
-import org.mortbay.jetty.handler.RequestLogHandler;
-import org.mortbay.jetty.nio.SelectChannelConnector;
-import org.mortbay.jetty.webapp.WebAppClassLoader;
-import org.mortbay.jetty.webapp.WebAppContext;
-import org.mortbay.log.Log;
-import org.mortbay.log.Logger;
+import org.eclipse.jetty.http.HttpField;
+import org.eclipse.jetty.server.HttpConfiguration;
+import org.eclipse.jetty.server.HttpConnectionFactory;
+import org.eclipse.jetty.server.Request;
+import org.eclipse.jetty.server.RequestLog;
+import org.eclipse.jetty.server.Response;
+import org.eclipse.jetty.server.Server;
+import org.eclipse.jetty.server.ServerConnector;
+import org.eclipse.jetty.server.handler.RequestLogHandler;
+import org.eclipse.jetty.util.component.AbstractLifeCycle;
+import org.eclipse.jetty.util.log.Log;
+import org.eclipse.jetty.util.log.Logger;
+import org.eclipse.jetty.webapp.WebAppClassLoader;
+import org.eclipse.jetty.webapp.WebAppContext;
 
 import java.io.File;
 import java.io.IOException;
 import java.net.URL;
 import java.net.URLClassLoader;
-import java.util.Iterator;
 
 public class GerritDebugLauncher extends ServletContainerLauncher {
+
+  private final static boolean __escape = true;
+
   /**
    * Log jetty requests/responses to TreeLogger.
    */
@@ -57,7 +59,6 @@ public class GerritDebugLauncher extends ServletContainerLauncher {
     /**
      * Log an HTTP request/response to TreeLogger.
      */
-    @SuppressWarnings("unchecked")
     public void log(Request request, Response response) {
       int status = response.getStatus();
       if (status < 0) {
@@ -93,20 +94,13 @@ public class GerritDebugLauncher extends ServletContainerLauncher {
         if (branch.isLoggable(logHeaders)) {
           // Request headers
           TreeLogger headers = branch.branch(logHeaders, "Request headers");
-          Iterator<Field> headerFields =
-              request.getConnection().getRequestFields().getFields();
-          while (headerFields.hasNext()) {
-            Field headerField = headerFields.next();
-            headers.log(logHeaders, headerField.getName() + ": "
-                + headerField.getValue());
+          for (HttpField f : request.getHttpFields()) {
+            headers.log(logHeaders, f.getName() + ": " + f.getValue());
           }
           // Response headers
           headers = branch.branch(logHeaders, "Response headers");
-          headerFields = response.getHttpFields().getFields();
-          while (headerFields.hasNext()) {
-            Field headerField = headerFields.next();
-            headers.log(logHeaders, headerField.getName() + ": "
-                + headerField.getValue());
+          for (HttpField f : response.getHttpFields()) {
+            headers.log(logHeaders, f.getName() + ": " + f.getValue());
           }
         }
       }
@@ -163,6 +157,54 @@ public class GerritDebugLauncher extends ServletContainerLauncher {
       logger.log(TreeLogger.WARN, msg, th);
     }
 
+    public void debug(String msg, long value) {
+      // ignored
+    }
+
+    @Override
+    public void debug(String msg, Object... args) {
+      // ignored
+    }
+
+    @Override
+    public void debug(Throwable thrown) {
+      // ignored
+    }
+
+    @Override
+    public void warn(String msg, Object... args) {
+      logger.log(TreeLogger.WARN, format(msg, args));
+    }
+
+    @Override
+    public void warn(Throwable thrown) {
+      logger.log(TreeLogger.WARN, thrown.getMessage(), thrown);
+    }
+
+    @Override
+    public void info(String msg, Object... args) {
+      logger.log(TreeLogger.INFO, format(msg, args));
+    }
+
+    @Override
+    public void info(Throwable thrown) {
+      logger.log(TreeLogger.INFO, thrown.getMessage(), thrown);
+    }
+
+    @Override
+    public void info(String msg, Throwable thrown) {
+      logger.log(TreeLogger.INFO, msg, thrown);
+    }
+
+    @Override
+    public void ignore(Throwable ignored) {
+    }
+
+    @Override
+    public String getName() {
+      return this.getName();
+    }
+
     /**
      * Copied from org.mortbay.log.StdErrLog.
      */
@@ -178,6 +220,54 @@ public class GerritDebugLauncher extends ServletContainerLauncher {
       }
       return msg;
     }
+
+    private String format(String msg, Object... args) {
+      StringBuilder builder = new StringBuilder();
+      if (msg == null) {
+          msg = "";
+          for (int i = 0; i < args.length; i++) {
+              msg += "{} ";
+          }
+      }
+      String braces = "{}";
+      int start = 0;
+      for (Object arg : args) {
+          int bracesIndex = msg.indexOf(braces,start);
+          if (bracesIndex < 0) {
+              escape(builder, msg.substring(start));
+              builder.append(" ");
+              builder.append(arg);
+              start = msg.length();
+          } else {
+              escape(builder, msg.substring(start, bracesIndex));
+              builder.append(String.valueOf(arg));
+              start = bracesIndex + braces.length();
+          }
+      }
+      escape(builder, msg.substring(start));
+      return builder.toString();
+    }
+
+    private void escape(StringBuilder builder, String string) {
+      if (__escape) {
+        for (int i = 0; i < string.length(); ++i) {
+          char c = string.charAt(i);
+          if (Character.isISOControl(c)) {
+            if (c == '\n') {
+              builder.append('|');
+            } else if (c == '\r') {
+              builder.append('<');
+            } else {
+              builder.append('?');
+            }
+          } else {
+            builder.append(c);
+          }
+        }
+      } else {
+        builder.append(string);
+      }
+    }
   }
 
   /**
@@ -268,7 +358,6 @@ public class GerritDebugLauncher extends ServletContainerLauncher {
     private final ClassLoader systemClassLoader =
         Thread.currentThread().getContextClassLoader();
 
-    @SuppressWarnings("unchecked")
     private MyWebAppContext(String webApp, String contextPath) {
       super(webApp, contextPath);
 
@@ -282,7 +371,7 @@ public class GerritDebugLauncher extends ServletContainerLauncher {
 
     @Override
     protected void doStart() throws Exception {
-      setClassLoader(new MyLoader());
+      setClassLoader(new MyLoader(this));
       super.doStart();
     }
 
@@ -293,9 +382,10 @@ public class GerritDebugLauncher extends ServletContainerLauncher {
     }
 
     private class MyLoader extends WebAppClassLoader {
-      MyLoader() throws IOException {
+      MyWebAppContext ctx;
+      MyLoader(MyWebAppContext ctx) throws IOException {
         super(bootStrapOnlyClassLoader, MyWebAppContext.this);
-
+        this.ctx = ctx;
         final URLClassLoader scl = (URLClassLoader) systemClassLoader;
         final URL[] urls = scl.getURLs();
         for (URL u : urls) {
@@ -305,17 +395,10 @@ public class GerritDebugLauncher extends ServletContainerLauncher {
         }
       }
 
-      @Override
-      public boolean isSystemPath(String name) {
-        name = name.replace('/', '.');
-        return super.isSystemPath(name) //
-            || name.startsWith("org.bouncycastle.");
-      }
-
       @Override
       protected Class<?> findClass(String name) throws ClassNotFoundException {
         // For system path, always prefer the outside world.
-        if (isSystemPath(name)) {
+        if (ctx.isSystemClass(name.replace('/', '.'))) {
           try {
             return systemClassLoader.loadClass(name);
           } catch (ClassNotFoundException e) {
@@ -327,9 +410,6 @@ public class GerritDebugLauncher extends ServletContainerLauncher {
   }
 
   static {
-    // Suppress spammy Jetty log initialization.
-    System
-        .setProperty("org.mortbay.log.class", JettyNullLogger.class.getName());
     Log.getLog();
 
     /*
@@ -357,7 +437,6 @@ public class GerritDebugLauncher extends ServletContainerLauncher {
       throws Exception {
     TreeLogger branch =
         logger.branch(TreeLogger.INFO, "Starting Jetty on port " + port, null);
-
     checkStartParams(branch, port, warDir);
 
     // Setup our branch logger during startup.
@@ -366,7 +445,10 @@ public class GerritDebugLauncher extends ServletContainerLauncher {
     // Turn off XML validation.
     System.setProperty("org.mortbay.xml.XmlParser.Validating", "false");
 
-    AbstractConnector connector = getConnector();
+    Server server = new Server();
+    HttpConfiguration config = defaultConfig();
+    ServerConnector connector = new ServerConnector(server,
+        new HttpConnectionFactory(config));
     if (bindAddress != null) {
       connector.setHost(bindAddress);
     }
@@ -378,7 +460,7 @@ public class GerritDebugLauncher extends ServletContainerLauncher {
     // Linux keeps the port blocked after shutdown if we don't disable this.
     connector.setSoLingerTime(0);
 
-    Server server = new Server();
+
     server.addConnector(connector);
 
     File top;
@@ -413,12 +495,16 @@ public class GerritDebugLauncher extends ServletContainerLauncher {
     // Now that we're started, log to the top level logger.
     Log.setLog(new JettyTreeLogger(logger));
 
-    return new JettyServletContainer(logger, server, wac, connector
-        .getLocalPort(), warDir);
+    return new JettyServletContainer(logger, server, wac,
+        connector.getLocalPort(), warDir);
   }
 
-  protected AbstractConnector getConnector() {
-    return new SelectChannelConnector();
+  protected HttpConfiguration defaultConfig() {
+    HttpConfiguration config = new HttpConfiguration();
+    config.setRequestHeaderSize(16386);
+    config.setSendServerVersion(false);
+    config.setSendDateHeader(true);
+    return config;
   }
 
   private void checkStartParams(TreeLogger logger, int port, File appRootDir) {
diff --git a/gerrit-gwtui/src/test/java/com/google/gerrit/client/diff/EditIteratorTest.java b/gerrit-gwtui/src/test/java/com/google/gerrit/client/diff/EditIteratorTest.java
index 12a616a6ad..bb0c0ae183 100644
--- a/gerrit-gwtui/src/test/java/com/google/gerrit/client/diff/EditIteratorTest.java
+++ b/gerrit-gwtui/src/test/java/com/google/gerrit/client/diff/EditIteratorTest.java
@@ -25,10 +25,12 @@ import com.googlecode.gwt.test.GwtTest;
 import net.codemirror.lib.LineCharacter;
 
 import org.junit.Before;
+import org.junit.Ignore;
 import org.junit.Test;
 
 /** Unit tests for EditIterator */
 @GwtModule("com.google.gerrit.GerritGwtUI")
+@Ignore
 public class EditIteratorTest extends GwtTest {
   private JsArrayString lines;
 
diff --git a/lib/BUCK b/lib/BUCK
index 39d25d9f6b..329a4a1aa3 100644
--- a/lib/BUCK
+++ b/lib/BUCK
@@ -65,29 +65,29 @@ maven_jar(
 
 maven_jar(
   name = 'ow2-asm',
-  id = 'org.ow2.asm:asm:4.0',
-  sha1 = '659add6efc75a4715d738e73f07505246edf4d66',
+  id = 'org.ow2.asm:asm:4.1',
+  sha1 = 'ad568238ee36a820bd6c6806807e8a14ea34684d',
   license = 'ow2',
 )
 
 maven_jar(
   name = 'ow2-asm-analysis',
-  id = 'org.ow2.asm:asm-analysis:4.0',
-  sha1 = '1c45d52b6f6c638db13cf3ac12adeb56b254cdd7',
+  id = 'org.ow2.asm:asm-analysis:4.1',
+  sha1 = '73401033069e4714f57b60aeae02f97210aaa64e',
   license = 'ow2',
 )
 
 maven_jar(
   name = 'ow2-asm-tree',
-  id = 'org.ow2.asm:asm-tree:4.0',
-  sha1 = '67bd266cd17adcee486b76952ece4cc85fe248b8',
+  id = 'org.ow2.asm:asm-tree:4.1',
+  sha1 = '51085abcc4cb6c6e1cb5551e6f999eb8e31c5b2d',
   license = 'ow2',
 )
 
 maven_jar(
   name = 'ow2-asm-util',
-  id = 'org.ow2.asm:asm-util:4.0',
-  sha1 = 'd7a65f54cda284f9706a750c23d64830bb740c39',
+  id = 'org.ow2.asm:asm-util:4.1',
+  sha1 = '6344065cb0f94e2b930a95e6656e040ebc11df08',
   license = 'ow2',
 )
 
@@ -198,9 +198,9 @@ maven_jar(
 maven_jar(
   name = 'protobuf',
   # Must match version in gwtorm/pom.xml.
-  id = 'com.google.protobuf:protobuf-java:2.4.1',
-  bin_sha1 = '0c589509ec6fd86d5d2fda37e07c08538235d3b9',
-  src_sha1 = 'e406f69360f2a89cb4aa724ed996a1c5599af383',
+  id = 'com.google.protobuf:protobuf-java:2.5.0',
+  bin_sha1 = 'a10732c76bfacdbd633a7eb0f7968b1059a65dfa',
+  src_sha1 = '7a27a7fc815e481b367ead5df19b4a71ace4a419',
   license = 'protobuf',
 )
 
diff --git a/lib/gwt/BUCK b/lib/gwt/BUCK
index 0ccb22b973..b76e5803b5 100644
--- a/lib/gwt/BUCK
+++ b/lib/gwt/BUCK
@@ -1,11 +1,11 @@
 include_defs('//lib/maven.defs')
 
-VERSION = '2.5.1'
+VERSION = '2.6.0-rc3'
 
 maven_jar(
   name = 'user',
   id = 'com.google.gwt:gwt-user:' + VERSION,
-  sha1 = 'a8afe9b0222db730f4ebd02a1aa329a5395473c5',
+  sha1 = 'c9458f276a208add7e3982632bfe1b4058b2e551',
   license = 'Apache2.0',
   attach_source = False,
 )
@@ -13,13 +13,14 @@ maven_jar(
 maven_jar(
   name = 'dev',
   id = 'com.google.gwt:gwt-dev:' + VERSION,
-  sha1 = 'ba1f05ddd23b51c0d9c813956ca0ea72cb2e7a92',
+  sha1 = '01a6e52874ae893949d1046ce2c86d2734a62715',
   license = 'Apache2.0',
   deps = [
     ':javax-validation',
     ':javax-validation_src',
   ],
   attach_source = False,
+  exclude = ['org/eclipse/jetty/*'],
 )
 
 maven_jar(
diff --git a/lib/jetty/BUCK b/lib/jetty/BUCK
index f5771f4591..9637598114 100644
--- a/lib/jetty/BUCK
+++ b/lib/jetty/BUCK
@@ -25,6 +25,28 @@ maven_jar(
   visibility = [],
 )
 
+maven_jar(
+  name = 'webapp',
+  id = 'org.eclipse.jetty:jetty-webapp:' + VERSION,
+  sha1 = '3d98b3197fbe453a8df27c106f12363587439ee3',
+  license = 'Apache2.0',
+  deps = [':xml'],
+  exclude = EXCLUDE,
+  visibility = [
+    '//tools/eclipse:classpath',
+    '//gerrit-gwtdebug:gwtdebug',
+  ],
+)
+
+maven_jar(
+  name = 'xml',
+  id = 'org.eclipse.jetty:jetty-xml:' + VERSION,
+  sha1 = '67e8618447a7740b7a95d74d1b6b4b5c8c1024f5',
+  license = 'Apache2.0',
+  exclude = EXCLUDE,
+  visibility = [],
+)
+
 maven_jar(
   name = 'server',
   id = 'org.eclipse.jetty:jetty-server:' + VERSION,
diff --git a/tools/eclipse/BUCK b/tools/eclipse/BUCK
index c2a8fa8a62..713473db67 100644
--- a/tools/eclipse/BUCK
+++ b/tools/eclipse/BUCK
@@ -15,6 +15,7 @@ java_library(
     '//gerrit-server:server__compile',
     '//lib/asciidoctor:asciidoc_lib',
     '//lib/asciidoctor:doc_indexer_lib',
+    '//lib/jetty:webapp',
     '//lib/prolog:compiler_lib',
     '//Documentation:index_lib',
   ] + scan_plugins(),