SEVERE: Trying to unexport an object that's already unexported

SEVERE: Trying to unexport an object that's already unexported
java.lang.IllegalStateException: Invalid object ID 6 iota=36
	at hudson.remoting.ExportTable.diagnoseInvalidId(ExportTable.java:277)
	at hudson.remoting.ExportTable.unexportByOid(ExportTable.java:300)
	at hudson.remoting.Channel.unexport(Channel.java:600)
	at hudson.remoting.UnexportCommand.execute(UnexportCommand.java:38)
	at hudson.remoting.Channel$2.handle(Channel.java:475)
	at hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport.java:60)
Caused by: java.lang.Exception: Object was recently deallocated
#6 (ref.0) : hudson.remoting.FastPipedOutputStream
  Created at Fri May 02 09:50:35 PDT 2014
	at hudson.remoting.ExportTable$Entry.<init>(ExportTable.java:86)
	at hudson.remoting.ExportTable.export(ExportTable.java:239)
	at hudson.remoting.Channel.export(Channel.java:592)
	at hudson.remoting.Pipe.writeObject(Pipe.java:158)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:988)
	at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1495)
	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1431)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1177)
	at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1547)
	at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1508)
	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1431)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1177)
	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:347)
	at hudson.remoting.UserRequest._serialize(UserRequest.java:155)
	at hudson.remoting.UserRequest.serialize(UserRequest.java:164)
	at hudson.remoting.UserRequest.<init>(UserRequest.java:62)
	at hudson.remoting.Channel.callAsync(Channel.java:766)
	at hudson.FilePath.read(FilePath.java:1640)
	at hudson.FilePath.readToString(FilePath.java:1662)
	at hudson.tools.JDKInstaller.performInstallation(JDKInstaller.java:126)
	at hudson.tools.InstallerTranslator.getToolHome(InstallerTranslator.java:61)
	at hudson.tools.ToolLocationNodeProperty.getToolHome(ToolLocationNodeProperty.java:107)
	at hudson.tools.ToolInstallation.translateFor(ToolInstallation.java:204)
	at hudson.model.JDK.forNode(JDK.java:126)
	at org.jenkinsci.plugins.envinject.service.EnvInjectVariableGetter.getBuildVariables(EnvInjectVariableGetter.java:79)
	at org.jenkinsci.plugins.envinject.EnvInjectListener.setUpEnvironmentWithoutJobPropertyObject(EnvInjectListener.java:231)
	at org.jenkinsci.plugins.envinject.EnvInjectListener.setUpEnvironment(EnvInjectListener.java:46)
	at hudson.model.AbstractBuild$AbstractBuildExecution.createLauncher(AbstractBuild.java:570)
	at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:476)
	at hudson.model.Run.execute(Run.java:1709)
	at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
	at hudson.model.ResourceController.execute(ResourceController.java:88)
	at hudson.model.Executor.run(Executor.java:231)
  Released at Fri May 02 09:50:35 PDT 2014
	at hudson.remoting.ExportTable$Entry.release(ExportTable.java:115)
	at hudson.remoting.ExportTable.unexportByOid(ExportTable.java:303)
	at hudson.remoting.Channel.unexport(Channel.java:600)
	at hudson.remoting.ProxyOutputStream$EOF$1.run(ProxyOutputStream.java:384)
	at hudson.remoting.PipeWriter$1.run(PipeWriter.java:158)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
	at hudson.remoting.SingleLaneExecutorService$1.run(SingleLaneExecutorService.java:111)
	at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
	at jenkins.util.ContextResettingExecutorService$2.call(ContextResettingExecutorService.java:46)
	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:744)

	at hudson.remoting.ExportTable.diagnoseInvalidId(ExportTable.java:270)
	... 5 more
Caused by:   Released at Fri May 02 09:50:35 PDT 2014
	at hudson.remoting.ExportTable$Entry.release(ExportTable.java:115)
	at hudson.remoting.ExportTable.unexportByOid(ExportTable.java:303)
	at hudson.remoting.Channel.unexport(Channel.java:600)
	at hudson.remoting.ProxyOutputStream$EOF$1.run(ProxyOutputStream.java:384)
	at hudson.remoting.PipeWriter$1.run(PipeWriter.java:158)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
	at hudson.remoting.SingleLaneExecutorService$1.run(SingleLaneExecutorService.java:111)
	at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
	at jenkins.util.ContextResettingExecutorService$2.call(ContextResettingExecutorService.java:46)
	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:744)