weblogic.descriptor.DescriptorException: Unmarshaller failed

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weblogic.descriptor.DescriptorException: Unmarshaller failed
at weblogic.xml.stax.XMLStreamReaderBase.advance(XMLStreamReaderBase.java:208)
at weblogic.xml.stax.XMLStreamReaderBase.next(XMLStreamReaderBase.java:241)
at javax.xml.stream.util.StreamReaderDelegate.next(StreamReaderDelegate.java:59)
at weblogic.application.descriptor.DebugStreamReaderDelegate.next(DebugStreamReaderDelegate.java:89)
at weblogic.application.descriptor.BasicMunger2.next(BasicMunger2.java:440)
at weblogic.application.descriptor.VersionMunger._next(VersionMunger.java:234)
at weblogic.application.descriptor.VersionMunger.next(VersionMunger.java:159)
at javax.xml.stream.util.StreamReaderDelegate.next(StreamReaderDelegate.java:59)
at com.bea.xbean.validator.ValidatingXMLStreamReader$PackTextXmlStreamReader.bufferText(ValidatingXMLStreamReader.java:190)
at com.bea.xbean.validator.ValidatingXMLStreamReader$PackTextXmlStreamReader.next(ValidatingXMLStreamReader.java:168)
at javax.xml.stream.util.StreamReaderDelegate.next(StreamReaderDelegate.java:59)
at com.bea.xbean.validator.ValidatingXMLStreamReader.next(ValidatingXMLStreamReader.java:541)
at com.bea.xbean.richParser.XMLStreamReaderExtImpl.next(XMLStreamReaderExtImpl.java:1122)
at com.bea.xbean.richParser.XMLStreamReaderExtImpl$CharSeqTrimWS.fillBuffer(XMLStreamReaderExtImpl.java:861)
at com.bea.xbean.richParser.XMLStreamReaderExtImpl$CharSeqTrimWS.reload(XMLStreamReaderExtImpl.java:755)
at com.bea.xbean.richParser.XMLStreamReaderExtImpl.getStringValue(XMLStreamReaderExtImpl.java:76)
at com.bea.staxb.runtime.internal.UnmarshalResult.getStringValue(UnmarshalResult.java:371)
at com.bea.staxb.runtime.internal.CollapseStringTypeConverter.getObject(CollapseStringTypeConverter.java:47)
at com.bea.staxb.runtime.internal.BaseSimpleTypeConverter.unmarshal(BaseSimpleTypeConverter.java:39)
at com.bea.staxb.runtime.internal.LiteralUnmarshalResult.unmarshalElementProperty(LiteralUnmarshalResult.java:161)
at com.bea.staxb.runtime.internal.LiteralUnmarshalResult.extractAndFillElementProp(LiteralUnmarshalResult.java:130)
at com.bea.staxb.runtime.internal.ByNameUnmarshaller.deserializeContents(ByNameUnmarshaller.java:51)
at com.bea.staxb.runtime.internal.AttributeUnmarshaller.unmarshalIntoIntermediary(AttributeUnmarshaller.java:47)
at com.bea.staxb.runtime.internal.LiteralUnmarshalResult.unmarshalElementProperty(LiteralUnmarshalResult.java:158)
at com.bea.staxb.runtime.internal.LiteralUnmarshalResult.extractAndFillElementProp(LiteralUnmarshalResult.java:130)
at com.bea.staxb.runtime.internal.ByNameUnmarshaller.deserializeContents(ByNameUnmarshaller.java:51)
at com.bea.staxb.runtime.internal.AttributeUnmarshaller.unmarshalIntoIntermediary(AttributeUnmarshaller.java:47)
at com.bea.staxb.runtime.internal.UnmarshalResult.unmarshalBindingType(UnmarshalResult.java:184)
at com.bea.staxb.runtime.internal.UnmarshalResult.unmarshalDocument(UnmarshalResult.java:154)
at com.bea.staxb.runtime.internal.UnmarshallerImpl.unmarshal(UnmarshallerImpl.java:65)
at weblogic.descriptor.internal.MarshallerFactory$1.createDescriptor(MarshallerFactory.java:136)
at weblogic.descriptor.DescriptorManager.createDescriptor(DescriptorManager.java:280)
at weblogic.descriptor.DescriptorManager.createDescriptor(DescriptorManager.java:248)
at weblogic.application.descriptor.AbstractDescriptorLoader2.getDescriptorBeanFromReader(AbstractDescriptorLoader2.java:749)
at weblogic.application.descriptor.AbstractDescriptorLoader2.createDescriptorBean(AbstractDescriptorLoader2.java:378)
at weblogic.application.descriptor.AbstractDescriptorLoader2.loadDescriptorBeanWithoutPlan(AbstractDescriptorLoader2.java:720)
at weblogic.application.descriptor.AbstractDescriptorLoader2.loadDescriptorBean(AbstractDescriptorLoader2.java:729)
at weblogic.servlet.internal.WebAppDescriptor.getWebAppBean(WebAppDescriptor.java:134)
at weblogic.servlet.internal.WebAppModule.loadDescriptor(WebAppModule.java:775)
at weblogic.application.internal.flow.ScopedModuleDriver.prepare(ScopedModuleDriver.java:176)
at weblogic.application.internal.flow.ModuleListenerInvoker.prepare(ModuleListenerInvoker.java:93)
at weblogic.application.internal.flow.DeploymentCallbackFlow$1.next(DeploymentCallbackFlow.java:360)
at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:26)
at weblogic.application.internal.flow.DeploymentCallbackFlow.prepare(DeploymentCallbackFlow.java:56)
at weblogic.application.internal.flow.DeploymentCallbackFlow.prepare(DeploymentCallbackFlow.java:46)
at weblogic.application.internal.BaseDeployment$1.next(BaseDeployment.java:615)
at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:26)
at weblogic.application.internal.BaseDeployment.prepare(BaseDeployment.java:191)
at weblogic.application.internal.DeploymentStateChecker.prepare(DeploymentStateChecker.java:147)
at weblogic.deploy.internal.targetserver.AppContainerInvoker.prepare(AppContainerInvoker.java:61)
at weblogic.deploy.internal.targetserver.AppDeployment.prepare(AppDeployment.java:137)
at weblogic.management.deploy.internal.DeploymentAdapter$1.doPrepare(DeploymentAdapter.java:38)
at weblogic.management.deploy.internal.DeploymentAdapter.prepare(DeploymentAdapter.java:177)
at weblogic.management.deploy.internal.AppTransition$1.transitionApp(AppTransition.java:21)
at weblogic.management.deploy.internal.ConfiguredDeployments.transitionApps(ConfiguredDeployments.java:233)
at weblogic.management.deploy.internal.ConfiguredDeployments.prepare(ConfiguredDeployments.java:165)
at weblogic.management.deploy.internal.ConfiguredDeployments.deploy(ConfiguredDeployments.java:122)
at weblogic.management.deploy.internal.DeploymentServerService.resume(DeploymentServerService.java:173)
at weblogic.management.deploy.internal.DeploymentServerService.start(DeploymentServerService.java:89)
at weblogic.t3.srvr.SubsystemRequest.run(SubsystemRequest.java:64)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:181)

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