Jul 29, 2013 3:45:52 PM hudson.triggers.SCMTrigger$Runner runPolling
SEVERE: Failed to record SCM polling for hudson.model.FreeStyleProject@21c17f5a[scenario.pull-request]
java.lang.VerifyError: (class: org/eclipse/jgit/revwalk/RevWalk, method: toObjectWalkWithSameObjects signature: ()Lorg/eclipse/jgit/revwalk/ObjectWalk;) Incompatible type for getting or setting field
        at hudson.plugins.git.util.GitUtils.filterTipBranches(GitUtils.java:114)
        at hudson.plugins.git.util.InverseBuildChooser.getCandidateRevisions(InverseBuildChooser.java:71)
        at hudson.plugins.git.GitSCM$1.invoke(GitSCM.java:728)
        at hudson.plugins.git.GitSCM$1.invoke(GitSCM.java:706)
        at hudson.FilePath.act(FilePath.java:906)
        at hudson.FilePath.act(FilePath.java:879)
        at hudson.plugins.git.GitSCM.compareRemoteRevisionWithImpl(GitSCM.java:706)
        at hudson.plugins.git.GitSCM.compareRemoteRevisionWith(GitSCM.java:628)
        at hudson.scm.SCM._compareRemoteRevisionWith(SCM.java:356)
        at hudson.scm.SCM.poll(SCM.java:373)
        at hudson.model.AbstractProject.pollWithWorkspace(AbstractProject.java:1567)
        at hudson.model.AbstractProject._poll(AbstractProject.java:1539)
        at hudson.model.AbstractProject.poll(AbstractProject.java:1473)
        at hudson.triggers.SCMTrigger$Runner.runPolling(SCMTrigger.java:439)
        at hudson.triggers.SCMTrigger$Runner.run(SCMTrigger.java:468)
        at hudson.util.SequentialExecutionQueue$QueueEntry.run(SequentialExecutionQueue.java:118)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
        at java.util.concurrent.FutureTask.run(FutureTask.java:166)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:679)
Jul 29, 2013 3:45:53 PM hudson.util.RobustCollectionConverter populateCollection
WARNING: Failed to resolve class
com.thoughtworks.xstream.mapper.CannotResolveClassException: hudson.tasks.Mailer$UserProperty
        at com.thoughtworks.xstream.mapper.DefaultMapper.realClass(DefaultMapper.java:56)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.DynamicProxyMapper.realClass(DynamicProxyMapper.java:55)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.PackageAliasingMapper.realClass(PackageAliasingMapper.java:88)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.ClassAliasingMapper.realClass(ClassAliasingMapper.java:79)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.ArrayMapper.realClass(ArrayMapper.java:74)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at hudson.util.XStream2$CompatibilityMapper.realClass(XStream2.java:255)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at hudson.util.xstream.MapperDelegate.realClass(MapperDelegate.java:43)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.CachingMapper.realClass(CachingMapper.java:49)
        at com.thoughtworks.xstream.core.util.HierarchicalStreams.readClassType(HierarchicalStreams.java:29)
        at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.readItem(AbstractCollectionConverter.java:70)
        at hudson.util.RobustCollectionConverter.populateCollection(RobustCollectionConverter.java:85)
        at com.thoughtworks.xstream.converters.collections.CollectionConverter.unmarshal(CollectionConverter.java:61)
        at hudson.util.RobustCollectionConverter.unmarshal(RobustCollectionConverter.java:76)
        at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
        at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)
        at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
        at hudson.util.RobustReflectionConverter.unmarshalField(RobustReflectionConverter.java:333)
        at hudson.util.RobustReflectionConverter.doUnmarshal(RobustReflectionConverter.java:275)
        at hudson.util.RobustReflectionConverter.unmarshal(RobustReflectionConverter.java:222)
        at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
        at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)
        at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
        at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:50)
        at com.thoughtworks.xstream.core.TreeUnmarshaller.start(TreeUnmarshaller.java:134)
        at com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.unmarshal(AbstractTreeMarshallingStrategy.java:32)
        at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1061)
        at hudson.util.XStream2.unmarshal(XStream2.java:109)
        at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1045)
        at hudson.XmlFile.unmarshal(XmlFile.java:166)
        at hudson.model.User.load(User.java:138)
        at hudson.model.User.<init>(User.java:122)
        at hudson.model.User.getOrCreate(User.java:343)
        at hudson.model.User.getAll(User.java:389)
        at hudson.model.User$FullNameIdResolver.resolveCanonicalId(User.java:740)
        at hudson.model.User.get(User.java:327)
        at hudson.model.User.get(User.java:300)
        at jenkins.model.Jenkins.getUser(Jenkins.java:2370)
        at hudson.plugins.greenballs.GreenBallFilter.mapImage(GreenBallFilter.java:63)
        at hudson.plugins.greenballs.GreenBallFilter.doFilter(GreenBallFilter.java:47)
        at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:99)
        at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:88)
        at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
        at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
        at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:48)
        at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
        at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
        at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84)
        at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
        at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164)
        at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
        at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
        at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:47)
        at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
        at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
        at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)
        at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
        at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
        at winstone.RequestDispatcher.forward(RequestDispatcher.java:331)
        at winstone.RequestHandlerThread.processRequest(RequestHandlerThread.java:227)
        at winstone.RequestHandlerThread.run(RequestHandlerThread.java:150)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
        at java.util.concurrent.FutureTask.run(FutureTask.java:166)
        at winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:679)
Jul 29, 2013 3:45:53 PM hudson.util.RobustCollectionConverter populateCollection
WARNING: Failed to resolve class
com.thoughtworks.xstream.mapper.CannotResolveClassException: hudson.tasks.Mailer$UserProperty
        at com.thoughtworks.xstream.mapper.DefaultMapper.realClass(DefaultMapper.java:56)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.DynamicProxyMapper.realClass(DynamicProxyMapper.java:55)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.PackageAliasingMapper.realClass(PackageAliasingMapper.java:88)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.ClassAliasingMapper.realClass(ClassAliasingMapper.java:79)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.ArrayMapper.realClass(ArrayMapper.java:74)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at hudson.util.XStream2$CompatibilityMapper.realClass(XStream2.java:255)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at hudson.util.xstream.MapperDelegate.realClass(MapperDelegate.java:43)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.CachingMapper.realClass(CachingMapper.java:49)
        at com.thoughtworks.xstream.core.util.HierarchicalStreams.readClassType(HierarchicalStreams.java:29)
        at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.readItem(AbstractCollectionConverter.java:70)
        at hudson.util.RobustCollectionConverter.populateCollection(RobustCollectionConverter.java:85)
        at com.thoughtworks.xstream.converters.collections.CollectionConverter.unmarshal(CollectionConverter.java:61)
        at hudson.util.RobustCollectionConverter.unmarshal(RobustCollectionConverter.java:76)
        at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
        at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)
        at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
        at hudson.util.RobustReflectionConverter.unmarshalField(RobustReflectionConverter.java:333)
        at hudson.util.RobustReflectionConverter.doUnmarshal(RobustReflectionConverter.java:275)
        at hudson.util.RobustReflectionConverter.unmarshal(RobustReflectionConverter.java:222)
        at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
        at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)
        at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
        at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:50)
        at com.thoughtworks.xstream.core.TreeUnmarshaller.start(TreeUnmarshaller.java:134)
        at com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.unmarshal(AbstractTreeMarshallingStrategy.java:32)
        at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1061)
        at hudson.util.XStream2.unmarshal(XStream2.java:109)
        at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1045)
        at hudson.XmlFile.unmarshal(XmlFile.java:166)
        at hudson.model.User.load(User.java:138)
        at hudson.model.User.<init>(User.java:122)
        at hudson.model.User.getOrCreate(User.java:343)
        at hudson.model.User.getAll(User.java:389)
        at hudson.model.User$FullNameIdResolver.resolveCanonicalId(User.java:740)
        at hudson.model.User.get(User.java:327)
        at hudson.model.User.get(User.java:300)
        at jenkins.model.Jenkins.getUser(Jenkins.java:2370)
        at hudson.plugins.greenballs.GreenBallFilter.mapImage(GreenBallFilter.java:63)
        at hudson.plugins.greenballs.GreenBallFilter.doFilter(GreenBallFilter.java:47)
        at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:99)
        at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:88)
        at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
        at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
        at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:48)
        at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
        at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
        at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84)
        at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
        at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164)
        at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
        at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
        at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:47)
        at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
        at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
        at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)
        at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
        at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
        at winstone.RequestDispatcher.forward(RequestDispatcher.java:331)
        at winstone.RequestHandlerThread.processRequest(RequestHandlerThread.java:227)
        at winstone.RequestHandlerThread.run(RequestHandlerThread.java:150)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
        at java.util.concurrent.FutureTask.run(FutureTask.java:166)
        at winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:679)
Jul 29, 2013 3:45:53 PM hudson.util.RobustCollectionConverter populateCollection
WARNING: Failed to resolve class
com.thoughtworks.xstream.mapper.CannotResolveClassException: hudson.tasks.Mailer$UserProperty
        at com.thoughtworks.xstream.mapper.DefaultMapper.realClass(DefaultMapper.java:56)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.DynamicProxyMapper.realClass(DynamicProxyMapper.java:55)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.PackageAliasingMapper.realClass(PackageAliasingMapper.java:88)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.ClassAliasingMapper.realClass(ClassAliasingMapper.java:79)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.ArrayMapper.realClass(ArrayMapper.java:74)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at hudson.util.XStream2$CompatibilityMapper.realClass(XStream2.java:255)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at hudson.util.xstream.MapperDelegate.realClass(MapperDelegate.java:43)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.CachingMapper.realClass(CachingMapper.java:49)
        at com.thoughtworks.xstream.core.util.HierarchicalStreams.readClassType(HierarchicalStreams.java:29)
        at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.readItem(AbstractCollectionConverter.java:70)
        at hudson.util.RobustCollectionConverter.populateCollection(RobustCollectionConverter.java:85)
        at com.thoughtworks.xstream.converters.collections.CollectionConverter.unmarshal(CollectionConverter.java:61)
        at hudson.util.RobustCollectionConverter.unmarshal(RobustCollectionConverter.java:76)
        at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
        at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)
        at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
        at hudson.util.RobustReflectionConverter.unmarshalField(RobustReflectionConverter.java:333)
        at hudson.util.RobustReflectionConverter.doUnmarshal(RobustReflectionConverter.java:275)
        at hudson.util.RobustReflectionConverter.unmarshal(RobustReflectionConverter.java:222)
        at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
        at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)
        at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
        at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:50)
        at com.thoughtworks.xstream.core.TreeUnmarshaller.start(TreeUnmarshaller.java:134)
        at com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.unmarshal(AbstractTreeMarshallingStrategy.java:32)
        at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1061)
        at hudson.util.XStream2.unmarshal(XStream2.java:109)
        at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1045)
        at hudson.XmlFile.unmarshal(XmlFile.java:166)
        at hudson.model.User.load(User.java:138)
        at hudson.model.User.<init>(User.java:122)
        at hudson.model.User.getOrCreate(User.java:343)
        at hudson.model.User.getAll(User.java:389)
        at hudson.model.User$FullNameIdResolver.resolveCanonicalId(User.java:740)
        at hudson.model.User.get(User.java:327)
        at hudson.model.User.get(User.java:300)
        at jenkins.model.Jenkins.getUser(Jenkins.java:2370)
        at hudson.plugins.greenballs.GreenBallFilter.mapImage(GreenBallFilter.java:63)
        at hudson.plugins.greenballs.GreenBallFilter.doFilter(GreenBallFilter.java:47)
        at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:99)
        at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:88)
        at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
        at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
        at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:48)
        at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
        at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
        at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84)
        at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
        at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164)
        at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
        at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
        at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:47)
        at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
        at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
        at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)
        at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
        at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
        at winstone.RequestDispatcher.forward(RequestDispatcher.java:331)
        at winstone.RequestHandlerThread.processRequest(RequestHandlerThread.java:227)
        at winstone.RequestHandlerThread.run(RequestHandlerThread.java:150)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
        at java.util.concurrent.FutureTask.run(FutureTask.java:166)
        at winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:679)
Jul 29, 2013 3:45:53 PM hudson.util.RobustCollectionConverter populateCollection
WARNING: Failed to resolve class
com.thoughtworks.xstream.mapper.CannotResolveClassException: hudson.tasks.Mailer$UserProperty
        at com.thoughtworks.xstream.mapper.DefaultMapper.realClass(DefaultMapper.java:56)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.DynamicProxyMapper.realClass(DynamicProxyMapper.java:55)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.PackageAliasingMapper.realClass(PackageAliasingMapper.java:88)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.ClassAliasingMapper.realClass(ClassAliasingMapper.java:79)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.ArrayMapper.realClass(ArrayMapper.java:74)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at hudson.util.XStream2$CompatibilityMapper.realClass(XStream2.java:255)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at hudson.util.xstream.MapperDelegate.realClass(MapperDelegate.java:43)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.CachingMapper.realClass(CachingMapper.java:49)
        at com.thoughtworks.xstream.core.util.HierarchicalStreams.readClassType(HierarchicalStreams.java:29)
        at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.readItem(AbstractCollectionConverter.java:70)
        at hudson.util.RobustCollectionConverter.populateCollection(RobustCollectionConverter.java:85)
        at com.thoughtworks.xstream.converters.collections.CollectionConverter.unmarshal(CollectionConverter.java:61)
        at hudson.util.RobustCollectionConverter.unmarshal(RobustCollectionConverter.java:76)
        at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
        at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)
        at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
        at hudson.util.RobustReflectionConverter.unmarshalField(RobustReflectionConverter.java:333)
        at hudson.util.RobustReflectionConverter.doUnmarshal(RobustReflectionConverter.java:275)
        at hudson.util.RobustReflectionConverter.unmarshal(RobustReflectionConverter.java:222)
        at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
        at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)
        at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
        at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:50)
        at com.thoughtworks.xstream.core.TreeUnmarshaller.start(TreeUnmarshaller.java:134)
        at com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.unmarshal(AbstractTreeMarshallingStrategy.java:32)
        at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1061)
        at hudson.util.XStream2.unmarshal(XStream2.java:109)
        at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1045)
        at hudson.XmlFile.unmarshal(XmlFile.java:166)
        at hudson.model.User.load(User.java:138)
        at hudson.model.User.<init>(User.java:122)
        at hudson.model.User.getOrCreate(User.java:343)
        at hudson.model.User.getAll(User.java:389)
        at hudson.model.User$FullNameIdResolver.resolveCanonicalId(User.java:740)
        at hudson.model.User.get(User.java:327)
        at hudson.model.User.get(User.java:300)
        at jenkins.model.Jenkins.getUser(Jenkins.java:2370)
        at hudson.plugins.greenballs.GreenBallFilter.mapImage(GreenBallFilter.java:63)
        at hudson.plugins.greenballs.GreenBallFilter.doFilter(GreenBallFilter.java:47)
        at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:99)
        at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:88)
        at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
        at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
        at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:48)
        at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
        at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
        at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84)
        at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
        at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164)
        at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
        at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
        at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:47)
        at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
        at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
        at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)
        at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
        at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
        at winstone.RequestDispatcher.forward(RequestDispatcher.java:331)
        at winstone.RequestHandlerThread.processRequest(RequestHandlerThread.java:227)
        at winstone.RequestHandlerThread.run(RequestHandlerThread.java:150)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
        at java.util.concurrent.FutureTask.run(FutureTask.java:166)
        at winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:679)