fixed a persistence problem in Queue.
Queue.BlockedItem is not static, and so if items include this type, it ends up trying to persist the whole Queue instance, which will never work. Sample stack trace below: java.lang.RuntimeException: Failed to serialize hudson.model.Queue$BlockedItem#this$0 for class hudson.model.Queue$BlockedItem at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:135) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:130) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:120) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:94) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:63) at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.writeItem(AbstractCollectionConverter.java:64) at com.thoughtworks.xstream.converters.collections.CollectionConverter.marshal(CollectionConverter.java:55) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:63) at com.thoughtworks.xstream.core.TreeMarshaller.start(TreeMarshaller.java:98) at com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.marshal(AbstractTreeMarshallingStrategy.java:38) at com.thoughtworks.xstream.XStream.marshal(XStream.java:840) at com.thoughtworks.xstream.XStream.marshal(XStream.java:829) at com.thoughtworks.xstream.XStream.toXML(XStream.java:804) at hudson.XmlFile.write(XmlFile.java:173) at hudson.model.Queue.save(Queue.java:349) at jenkins.model.Jenkins.cleanUp(Jenkins.java:2575) at org.jvnet.hudson.test.HudsonTestCase.tearDown(HudsonTestCase.java:381) at junit.framework.TestCase.runBare(TestCase.java:140) at org.jvnet.hudson.test.HudsonTestCase.runBare(HudsonTestCase.java:286) at junit.framework.TestResult$1.protect(TestResult.java:110) at junit.framework.TestResult.runProtected(TestResult.java:128) at junit.framework.TestResult.run(TestResult.java:113) at junit.framework.TestCase.run(TestCase.java:124) at junit.framework.TestSuite.runTest(TestSuite.java:243) at junit.framework.TestSuite.run(TestSuite.java:238) at com.sun.maven.junit.LocalTestCaseRunner.runTests(LocalTestCaseRunner.java:142) at com.sun.maven.junit.LocalTestCaseRunner.runTestCase(LocalTestCaseRunner.java:62) at com.sun.maven.junit.LocalTestCaseRunner.runTestCase(LocalTestCaseRunner.java:58) at sun.reflect.GeneratedMethodAccessor352.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at hudson.remoting.RemoteInvocationHandler$RPCRequest.perform(RemoteInvocationHandler.java:274) at hudson.remoting.RemoteInvocationHandler$RPCRequest.call(RemoteInvocationHandler.java:255) at hudson.remoting.RemoteInvocationHandler$RPCRequest.call(RemoteInvocationHandler.java:215) at hudson.remoting.UserRequest.perform(UserRequest.java:118) at hudson.remoting.UserRequest.perform(UserRequest.java:48) at hudson.remoting.Request$2.run(Request.java:270) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) at java.util.concurrent.FutureTask.run(FutureTask.java:138) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:662) Caused by: java.lang.RuntimeException: Failed to serialize hudson.model.Queue#parked for class hudson.model.Queue at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:135) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:130) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:120) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:94) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:176) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:163) ... 47 more Caused by: java.lang.RuntimeException: Failed to serialize java.lang.Thread#group for class hudson.model.Executor at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:135) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:130) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:120) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:94) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:63) at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.writeItem(AbstractCollectionConverter.java:64) at com.thoughtworks.xstream.converters.collections.MapConverter.marshal(MapConverter.java:57) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:176) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:163) ... 55 more Caused by: java.lang.RuntimeException: Failed to serialize java.lang.ThreadGroup#threads for class java.lang.ThreadGroup at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:135) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:130) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:120) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:94) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:176) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:163) ... 68 more Caused by: java.lang.RuntimeException: Failed to serialize java.lang.Thread#threadLocals for class hudson.remoting.Channel$ReaderThread at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:135) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:130) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:120) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:94) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:63) at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.writeItem(AbstractCollectionConverter.java:64) at com.thoughtworks.xstream.converters.collections.ArrayConverter.marshal(ArrayConverter.java:45) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:176) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:163) ... 76 more Caused by: java.lang.RuntimeException: Failed to serialize java.lang.ThreadLocal$ThreadLocalMap#table for class java.lang.ThreadLocal$ThreadLocalMap at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:135) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:130) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:120) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:94) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:176) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:163) ... 89 more Caused by: java.lang.RuntimeException: Failed to serialize java.lang.ThreadLocal$ThreadLocalMap$Entry#value for class java.lang.ThreadLocal$ThreadLocalMap$Entry at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:135) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:130) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:120) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:94) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:63) at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.writeItem(AbstractCollectionConverter.java:64) at com.thoughtworks.xstream.converters.collections.ArrayConverter.marshal(ArrayConverter.java:45) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:176) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:163) ... 97 more Caused by: java.lang.RuntimeException: Failed to serialize hudson.remoting.Channel#executor for class hudson.remoting.Channel at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:135) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:130) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:120) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:94) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:176) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:163) ... 110 more Caused by: java.lang.RuntimeException: Failed to serialize java.util.concurrent.ThreadPoolExecutor#workers for class java.util.concurrent.ThreadPoolExecutor at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:135) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:130) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:120) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:94) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:176) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:163) ... 118 more Caused by: java.lang.RuntimeException: Failed to serialize java.util.concurrent.ThreadPoolExecutor$Worker#thread for class java.util.concurrent.ThreadPoolExecutor$Worker at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:135) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:130) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:120) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:94) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:63) at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.writeItem(AbstractCollectionConverter.java:64) at com.thoughtworks.xstream.converters.collections.CollectionConverter.marshal(CollectionConverter.java:55) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:176) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:163) ... 126 more Caused by: java.lang.RuntimeException: Failed to serialize java.lang.Thread#threadLocals for class java.lang.Thread at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:135) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:130) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:120) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:94) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:176) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:163) ... 139 more Caused by: java.lang.RuntimeException: Failed to serialize java.lang.ThreadLocal$ThreadLocalMap#table for class java.lang.ThreadLocal$ThreadLocalMap at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:135) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:130) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:120) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:94) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:176) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:163) ... 147 more Caused by: java.lang.RuntimeException: Failed to serialize java.lang.ref.Reference#referent for class java.lang.ThreadLocal$ThreadLocalMap$Entry at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:135) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:130) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:120) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:94) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:63) at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.writeItem(AbstractCollectionConverter.java:64) at com.thoughtworks.xstream.converters.collections.ArrayConverter.marshal(ArrayConverter.java:45) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:176) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:163) ... 155 more Caused by: java.lang.RuntimeException: Failed to serialize com.google.inject.internal.InjectorImpl$1#this$0 for class com.google.inject.internal.InjectorImpl$1 at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:135) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:130) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:120) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:94) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:176) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:163) ... 168 more Caused by: java.lang.RuntimeException: Failed to serialize com.google.inject.internal.InjectorImpl#state for class com.google.inject.internal.InjectorImpl at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:135) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:130) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:120) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:94) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:176) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:163) ... 176 more Caused by: java.lang.RuntimeException: Failed to serialize com.google.inject.internal.InheritingState#explicitBindingsMutable for class com.google.inject.internal.InheritingState at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:135) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:130) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:120) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:94) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:176) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:163) ... 184 more Caused by: java.lang.RuntimeException: Failed to serialize com.google.inject.internal.BindingImpl#internalFactory for class com.google.inject.internal.ProviderInstanceBindingImpl at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:135) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:130) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:120) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:94) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:63) at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.writeItem(AbstractCollectionConverter.java:64) at com.thoughtworks.xstream.converters.collections.MapConverter.marshal(MapConverter.java:58) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:176) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:163) ... 192 more Caused by: java.lang.RuntimeException: Failed to serialize com.google.inject.internal.InternalFactoryToProviderAdapter#provider for class com.google.inject.internal.InternalFactoryToProviderAdapter at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:135) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:130) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:120) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:94) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:176) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:163) ... 205 more Caused by: java.lang.RuntimeException: Failed to serialize hudson.ExtensionFinder$GuiceFinder$4$1#val$base for class hudson.ExtensionFinder$GuiceFinder$4$1 at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:135) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:130) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:120) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:94) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:176) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:163) ... 213 more Caused by: java.lang.RuntimeException: Failed to serialize com.google.inject.Scopes$1$1#val$creator for class com.google.inject.Scopes$1$1 at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:135) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:130) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:120) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:94) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:176) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:163) ... 221 more Caused by: java.lang.RuntimeException: Failed to serialize com.google.inject.internal.ProviderToInternalFactoryAdapter#internalFactory for class com.google.inject.internal.ProviderToInternalFactoryAdapter at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:135) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:130) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:120) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:94) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:176) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:163) ... 229 more Caused by: java.lang.RuntimeException: Failed to serialize com.google.inject.internal.InternalFactoryToInitializableAdapter#initializable for class com.google.inject.internal.InternalFactoryToInitializableAdapter at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:135) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:130) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:120) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:94) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:176) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:163) ... 237 more Caused by: java.lang.RuntimeException: Failed to serialize com.google.inject.internal.Initializables$1#val$instance for class com.google.inject.internal.Initializables$1 at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:135) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:130) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:120) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:94) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:176) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:163) ... 245 more Caused by: java.lang.RuntimeException: Failed to serialize hudson.ExtensionFinder$GuiceFinder$SezpozModule$1#this$1 for class hudson.ExtensionFinder$GuiceFinder$SezpozModule$1 at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:135) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:130) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:120) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:94) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:176) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:163) ... 253 more Caused by: java.lang.RuntimeException: Failed to serialize hudson.ExtensionFinder$GuiceFinder$SezpozModule#index for class hudson.ExtensionFinder$GuiceFinder$SezpozModule at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:135) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:130) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:120) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:94) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:176) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:163) ... 261 more Caused by: java.lang.RuntimeException: Failed to serialize net.java.sezpoz.IndexItem#instance for class net.java.sezpoz.IndexItem at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:135) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:130) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:120) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:94) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:63) at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.writeItem(AbstractCollectionConverter.java:64) at com.thoughtworks.xstream.converters.collections.CollectionConverter.marshal(CollectionConverter.java:55) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:176) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:163) ... 269 more Caused by: java.lang.RuntimeException: Failed to serialize hudson.node_monitors.AbstractNodeMonitorDescriptor#record for class hudson.node_monitors.ClockMonitor$1 at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:135) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:130) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:120) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:94) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:176) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:163) ... 282 more Caused by: java.lang.RuntimeException: Failed to serialize hudson.node_monitors.AbstractNodeMonitorDescriptor$Record#data for class hudson.node_monitors.AbstractNodeMonitorDescriptor$Record at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:135) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:130) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:120) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:94) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:176) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:163) ... 290 more Caused by: java.lang.RuntimeException: Failed to serialize hudson.slaves.SlaveComputer#taskListener for class hudson.slaves.SlaveComputer at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:167) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:135) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:130) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:120) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:94) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:63) at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.writeItem(AbstractCollectionConverter.java:64) at com.thoughtworks.xstream.converters.collections.MapConverter.marshal(MapConverter.java:57) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:176) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:163) ... 298 more
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