这是什么错误

QC] ERROR [main] org.apache.catalina.session.StandardManager.doLoad(434) | IOException while loading persisted sessions: java.io.WriteAbortedException: writing aborted; java.io.NotSerializableException: com.cietac.system.domain.Resource
java.io.WriteAbortedException: writing aborted; java.io.NotSerializableException: com.cietac.system.domain.Resource
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1303)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:339)
at java.util.ArrayList.readObject(ArrayList.java:587)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:919)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1813)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1713)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1299)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:339)
at org.apache.catalina.session.StandardSession.readObject(StandardSession.java:1342)
at org.apache.catalina.session.StandardSession.readObjectData(StandardSession.java:885)
at org.apache.catalina.session.StandardManager.doLoad(StandardManager.java:416)
at org.apache.catalina.session.StandardManager.load(StandardManager.java:343)
at org.apache.catalina.session.StandardManager.start(StandardManager.java:657)
at org.apache.catalina.core.ContainerBase.setManager(ContainerBase.java:499)
at org.apache.catalina.startup.ContextConfig.managerConfig(ContextConfig.java:315)
at org.apache.catalina.startup.ContextConfig.start(ContextConfig.java:635)
at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:216)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4290)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:823)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:807)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:595)
at org.apache.catalina.core.StandardHostDeployer.install(StandardHostDeployer.java:277)
at org.apache.catalina.core.StandardHost.install(StandardHost.java:832)
at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:701)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:432)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:983)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:349)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1091)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:789)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1083)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:478)
at org.apache.catalina.core.StandardService.start(StandardService.java:480)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:2313)
at org.apache.catalina.startup.Catalina.start(Catalina.java:556)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:287)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:425)
Caused by: java.io.NotSerializableException: com.cietac.system.domain.Resource
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1075)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:291)
at java.util.ArrayList.writeObject(ArrayList.java:569)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:890)
at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1333)
at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1284)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1073)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:291)
at org.apache.catalina.session.StandardSession.writeObject(StandardSession.java:1415)
at org.apache.catalina.session.StandardSession.writeObjectData(StandardSession.java:902)
at org.apache.catalina.session.StandardManager.doUnload(StandardManager.java:539)
at org.apache.catalina.session.StandardManager.unload(StandardManager.java:485)
at org.apache.catalina.session.StandardManager.stop(StandardManager.java:687)
at org.apache.catalina.core.StandardContext.stop(StandardContext.java:4496)
at org.apache.catalina.core.ContainerBase.removeChild(ContainerBase.java:952)
at org.apache.catalina.core.StandardHostDeployer.remove(StandardHostDeployer.java:670)
at org.apache.catalina.core.StandardHost.remove(StandardHost.java:946)
at org.apache.catalina.startup.HostConfig.undeployApps(HostConfig.java:1028)
at org.apache.catalina.startup.HostConfig.stop(HostConfig.java:1005)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:351)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1123)
at org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1135)
at org.apache.catalina.core.StandardEngine.stop(StandardEngine.java:483)
at org.apache.catalina.core.StandardService.stop(StandardService.java:542)
at org.apache.catalina.core.StandardServer.stop(StandardServer.java:2347)
at org.apache.catalina.startup.Catalina.stop(Catalina.java:605)
at org.apache.catalina.startup.Catalina.start(Catalina.java:580)
... 6 more
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