tomcat错误问题?
在下在写有关程序时,出现了下面的tomcat错误,由于在下写的代码较多,又不懂这些错误代表什么意思,于是在下不知道是错在了
哪里,请知道的帮帮忙给分析一写,这种错误通常是什么原因造成的!!!
2008-4-1 21:09:00 org.apache.catalina.session.StandardSession writeObject
警告: Cannot serialize session attribute shopcar for session 5232F3C3F0DED988F8CF2B932E6CEA5A
java.io.NotSerializableException: my.lx.Allorder
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1081)
at java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1251)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1075)
at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1375)
at java.io.ObjectOutputStream.defaultWriteObject(ObjectOutputStream.java:391)
at java.util.Vector.writeObject(Vector.java:1018)
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:917)
at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1339)
at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1290)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1079)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:302)
at org.apache.catalina.session.StandardSession.writeObject(StandardSession.java:1468)
at org.apache.catalina.session.StandardSession.writeObjectData(StandardSession.java:938)
at org.apache.catalina.session.StandardManager.doUnload(StandardManager.java:516)
at org.apache.catalina.session.StandardManager.unload(StandardManager.java:462)
at org.apache.catalina.session.StandardManager.stop(StandardManager.java:666)
at org.apache.catalina.core.StandardContext.stop(StandardContext.java:4358)
at org.apache.catalina.core.StandardContext.reload(StandardContext.java:3018)
at org.apache.catalina.loader.WebappLoader.backgroundProcess(WebappLoader.java:432)
at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1277)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1569)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1578)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1578)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1558)
at java.lang.Thread.run(Thread.java:595)
2008-4-1 21:09:01 org.apache.catalina.session.StandardManager doLoad
严重: IOException while loading persisted sessions: java.io.WriteAbortedException: writing aborted; java.io.NotSerializableException: my.lx.Allorder
java.io.WriteAbortedException: writing aborted; java.io.NotSerializableException: my.lx.Allorder
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1309)
at java.io.ObjectInputStream.readArray(ObjectInputStream.java:1634)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1299)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1908)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1832)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1719)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1305)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:348)
at org.apache.catalina.session.StandardSession.readObject(StandardSession.java:1392)
at org.apache.catalina.session.StandardSession.readObjectData(StandardSession.java:921)
at org.apache.catalina.session.StandardManager.doLoad(StandardManager.java:393)
at org.apache.catalina.session.StandardManager.load(StandardManager.java:320)
at org.apache.catalina.session.StandardManager.start(StandardManager.java:636)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4161)
at org.apache.catalina.core.StandardContext.reload(StandardContext.java:3024)
at org.apache.catalina.loader.WebappLoader.backgroundProcess(WebappLoader.java:432)
at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1277)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1569)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1578)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1578)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1558)
at java.lang.Thread.run(Thread.java:595)
Caused by: java.io.NotSerializableException: my.lx.Allorder
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1081)
at java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1251)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1075)
at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1375)
at java.io.ObjectOutputStream.defaultWriteObject(ObjectOutputStream.java:391)
at java.util.Vector.writeObject(Vector.java:1018)
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:917)
at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1339)
at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1290)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1079)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:302)
at org.apache.catalina.session.StandardSession.writeObject(StandardSession.java:1468)
at org.apache.catalina.session.StandardSession.writeObjectData(StandardSession.java:938)
at org.apache.catalina.session.StandardManager.doUnload(StandardManager.java:516)
at org.apache.catalina.session.StandardManager.unload(StandardManager.java:462)
at org.apache.catalina.session.StandardManager.stop(StandardManager.java:666)
at org.apache.catalina.core.StandardContext.stop(StandardContext.java:4358)
at org.apache.catalina.core.StandardContext.reload(StandardContext.java:3018)
... 7 more