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Fields were never written
java.io.NotActiveException: Fields were never written	at org.jboss.marshalling.river.RiverObjectOutputStream.finish(RiverObjectOutputStream.java:175)	at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializableObject(RiverMarshaller.java:1012)	at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializableObject(RiverMarshaller.java:1001)	at org.jboss.marshalling.river.RiverMarshaller.doWriteObject(RiverMarshaller.java:888)	at org.jboss.marshalling.AbstractObjectOutput.writeObject(AbstractObjectOutput.java:62)	at org.jboss.marshalling.AbstractMarshaller.writeObject(AbstractMarshaller.java:115)	at org.jboss.test.marshalling.SimpleMarshallerTests$5.runWrite(SimpleMarshallerTests.java:248)	at org.jboss.test.marshalling.TestBase.runReadWriteTest(TestBase.java:109)	at org.jboss.test.marshalling.SimpleMarshallerTests.testMyKey(SimpleMarshallerTests.java:246)	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:601)	at org.testng.internal.MethodHelper.invokeMethod(MethodHelper.java:643)	at org.testng.internal.Invoker.invokeMethod(Invoker.java:559)	at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:723)	at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1027)	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:137)	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:121)	at org.testng.TestRunner.runWorkers(TestRunner.java:1030)	at org.testng.TestRunner.privateRun(TestRunner.java:709)	at org.testng.TestRunner.run(TestRunner.java:579)	at org.testng.SuiteRunner.runTest(SuiteRunner.java:331)	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:326)	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:288)	at org.testng.SuiteRunner.run(SuiteRunner.java:193)	at org.testng.TestNG.createAndRunSuiteRunners(TestNG.java:910)	at org.testng.TestNG.runSuitesLocally(TestNG.java:879)	at org.testng.TestNG.run(TestNG.java:787)	at org.testng.remote.RemoteTestNG.run(RemoteTestNG.java:75)	at org.testng.RemoteTestNGStarter.main(RemoteTestNGStarter.java:120)	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:601)	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:120)