After startup, I got this deadlock:

Found one Java-level deadlock:
=============================
"Handling POST /hudson/ajaxBuildQueue : http-8080-8":
waiting to lock monitor 0x00007f14e8f37da8 (object 0x00007f150b653ca8, a hudson.model.Queue),
which is held by "Handling POST /hudson/job/odeo-full/build : http-8080-3"
"Handling POST /hudson/job/odeo-full/build : http-8080-3":
waiting to lock monitor 0x00007f14e88addb0 (object 0x00007f150b489690, a org.apache.catalina.loader.WebappClassLoader),
which is held by "Handling GET /hudson/job/odeo-full/test/trend : http-8080-6"
"Handling GET /hudson/job/odeo-full/test/trend : http-8080-6":
waiting to lock monitor 0x00007f14e88ac178 (object 0x00007f14fdcb4610, a java.lang.String),
which is held by "Handling GET /hudson/job/odeo-full/disk-usage/graph : http-8080-4"
"Handling GET /hudson/job/odeo-full/disk-usage/graph : http-8080-4":
waiting to lock monitor 0x00007f14e88addb0 (object 0x00007f150b489690, a org.apache.catalina.loader.WebappClassLoader),
which is held by "Handling GET /hudson/job/odeo-full/test/trend : http-8080-6"

Java stack information for the threads listed above:
===================================================
"Handling POST /hudson/ajaxBuildQueue : http-8080-8":
at hudson.model.Queue.getItems(Queue.java:557)

• waiting to lock <0x00007f150b653ca8> (a hudson.model.Queue)
  at hudson.model.View.getQueueItems(View.java:272)
  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  at java.lang.reflect.Method.invoke(Method.java:597)
  at org.apache.commons.jexl.util.PropertyExecutor.execute(PropertyExecutor.java:125)
  at org.apache.commons.jexl.util.introspection.UberspectImpl$VelGetterImpl.invoke(UberspectImpl.java:314)
  at org.apache.commons.jexl.parser.ASTArrayAccess.evaluateExpr(ASTArrayAccess.java:185)
  at org.apache.commons.jexl.parser.ASTIdentifier.execute(ASTIdentifier.java:75)
  at org.apache.commons.jexl.parser.ASTReference.execute(ASTReference.java:83)
  at org.apache.commons.jexl.parser.ASTReference.value(ASTReference.java:57)
  at org.apache.commons.jexl.parser.ASTReferenceExpression.value(ASTReferenceExpression.java:51)
  at org.apache.commons.jexl.ExpressionImpl.evaluate(ExpressionImpl.java:80)
  at hudson.ExpressionFactory2$JexlExpression.evaluate(ExpressionFactory2.java:72)
  at org.kohsuke.stapler.jelly.CustomTagLibrary$1.run(CustomTagLibrary.java:72)
  at org.kohsuke.stapler.jelly.CustomTagLibrary$1$1.run(CustomTagLibrary.java:112)
  at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
  at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:270)
  at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
  at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:161)
  at org.apache.commons.jelly.tags.core.OtherwiseTag.doTag(OtherwiseTag.java:41)
  at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:270)
  at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
  at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:161)
  at org.apache.commons.jelly.tags.core.ChooseTag.doTag(ChooseTag.java:38)
  at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:270)
  at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
  at org.kohsuke.stapler.jelly.CustomTagLibrary$1.run(CustomTagLibrary.java:132)
  at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
  at org.kohsuke.stapler.jelly.DefaultScriptInvoker.invokeScript(DefaultScriptInvoker.java:40)
  at org.kohsuke.stapler.jelly.DefaultScriptInvoker.invokeScript(DefaultScriptInvoker.java:30)
  at org.kohsuke.stapler.jelly.JellyFacet$1.dispatch(JellyFacet.java:59)
  at org.kohsuke.stapler.Stapler.invoke(Stapler.java:519)
  at org.kohsuke.stapler.Stapler.invoke(Stapler.java:563)
  at org.kohsuke.stapler.Stapler.invoke(Stapler.java:435)
  at org.kohsuke.stapler.Stapler.service(Stapler.java:123)
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:94)
  at org.jvnet.hudson.plugins.greenballs.GreenBallFilter.doFilter(GreenBallFilter.java:38)
  at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:97)
  at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:86)
  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84)
  at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
  at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164)
  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
  at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
  at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:465)
  at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
  at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
  at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
  at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
  at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852)
  at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
  at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
  at java.lang.Thread.run(Thread.java:619)
  "Handling POST /hudson/job/odeo-full/build : http-8080-3":
  at hudson.model.Queue.schedule(Queue.java:402)
• locked <0x00007f150b653ca8> (a hudson.model.Queue)
  at hudson.model.Queue.schedule(Queue.java:509)
• locked <0x00007f150b653ca8> (a hudson.model.Queue)
  at hudson.model.AbstractProject.doBuild(AbstractProject.java:1413)
  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  at java.lang.reflect.Method.invoke(Method.java:597)
  at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:169)
  at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:101)
  at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:54)
  at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:74)
  at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:30)
  at org.kohsuke.stapler.Stapler.invoke(Stapler.java:519)
  at org.kohsuke.stapler.MetaClass$6.doDispatch(MetaClass.java:180)
  at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:30)
  at org.kohsuke.stapler.Stapler.invoke(Stapler.java:519)
  at org.kohsuke.stapler.Stapler.invoke(Stapler.java:435)
  at org.kohsuke.stapler.Stapler.service(Stapler.java:123)
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:94)
  at org.jvnet.hudson.plugins.greenballs.GreenBallFilter.doFilter(GreenBallFilter.java:38)
  at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:97)
  at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:86)
  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84)
  at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
  at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164)
  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
  at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
  at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:465)
  at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
  at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
  at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
  at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
  at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852)
  at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
  at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
  at java.lang.Thread.run(Thread.java:619)
  "Handling GET /hudson/job/odeo-full/test/trend : http-8080-6":
  at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1362)
• waiting to lock <0x00007f14fdcb4610> (a java.lang.String)
  at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1329)
  at hudson.tasks.test.AbstractTestResultAction.buildDataSet(AbstractTestResultAction.java:244)
  at hudson.tasks.test.AbstractTestResultAction.doGraph(AbstractTestResultAction.java:208)
  at hudson.tasks.test.TestResultProjectAction.doTrend(TestResultProjectAction.java:97)
  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  at java.lang.reflect.Method.invoke(Method.java:597)
  at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:169)
  at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:101)
  at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:54)
  at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:74)
  at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:30)
  at org.kohsuke.stapler.Stapler.invoke(Stapler.java:519)
  at org.kohsuke.stapler.MetaClass$12.dispatch(MetaClass.java:318)
  at org.kohsuke.stapler.Stapler.invoke(Stapler.java:519)
  at org.kohsuke.stapler.MetaClass$6.doDispatch(MetaClass.java:180)
  at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:30)
  at org.kohsuke.stapler.Stapler.invoke(Stapler.java:519)
  at org.kohsuke.stapler.Stapler.invoke(Stapler.java:435)
  at org.kohsuke.stapler.Stapler.service(Stapler.java:123)
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:94)
  at org.jvnet.hudson.plugins.greenballs.GreenBallFilter.doFilter(GreenBallFilter.java:38)
  at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:97)
  at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:86)
  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84)
  at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
  at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164)
  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
  at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
  at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:465)
  at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
  at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
  at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
  at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
  at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852)
  at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
  at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
  at java.lang.Thread.run(Thread.java:619)
  "Handling GET /hudson/job/odeo-full/disk-usage/graph : http-8080-4":
  at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:2276)
• waiting to lock <0x00007f150b489690> (a org.apache.catalina.loader.WebappClassLoader)
  at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:976)
  at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1451)
• locked <0x00007f14fdcb4610> (a java.lang.String)
  at java.lang.ClassLoader.loadClass(ClassLoader.java:296)
• locked <0x00007f150b648dc0> (a hudson.ClassicPluginStrategy$DependencyClassLoader)
  at java.lang.ClassLoader.loadClass(ClassLoader.java:296)
• locked <0x00007f150b648d38> (a java.net.URLClassLoader)
  at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
  at hudson.plugins.disk_usage.ProjectDiskUsageAction.doGraph(ProjectDiskUsageAction.java:106)
  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  at java.lang.reflect.Method.invoke(Method.java:597)
  at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:169)
  at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:101)
  at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:54)
  at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:74)
  at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:30)
  at org.kohsuke.stapler.Stapler.invoke(Stapler.java:519)
  at org.kohsuke.stapler.MetaClass$12.dispatch(MetaClass.java:318)
  at org.kohsuke.stapler.Stapler.invoke(Stapler.java:519)
  at org.kohsuke.stapler.MetaClass$6.doDispatch(MetaClass.java:180)
  at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:30)
  at org.kohsuke.stapler.Stapler.invoke(Stapler.java:519)
  at org.kohsuke.stapler.Stapler.invoke(Stapler.java:435)
  at org.kohsuke.stapler.Stapler.service(Stapler.java:123)
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:94)
  at org.jvnet.hudson.plugins.greenballs.GreenBallFilter.doFilter(GreenBallFilter.java:38)
  at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:97)
  at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:86)
  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84)
  at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
  at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164)
  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
  at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
  at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:465)
  at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
  at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
  at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
  at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
  at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852)
  at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
  at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
  at java.lang.Thread.run(Thread.java:619)
  Found 1 deadlock.