Discussion :

[stc074]

Bonjour, j'utilise de javabeans que je sérialise en implémentant la bonne interface, je n'en sais pas plus sur le sujet, les logs de netbeans me renvoient des fois cette erreur :

Code :

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16-Jun-2014 18:40:02.869 SEVERE [localhost-startStop-1] org.apache.catalina.session.StandardManager.startInternal Exception au chargement des sessions depuis le stockage persistant (persistent storage)
 java.io.InvalidClassException: classes.User; local class incompatible: stream classdesc serialVersionUID = 3650880052958784110, local class serialVersionUID = 5195041477888778283
	at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:621)
	at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1623)
	at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1518)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1774)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
	at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1993)
	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1918)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:371)
	at java.util.ArrayList.readObject(ArrayList.java:776)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1017)
	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1896)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
	at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1993)
	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1918)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:371)
	at java.util.HashMap.readObject(HashMap.java:1396)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1017)
	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1896)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:371)
	at java.util.HashMap.readObject(HashMap.java:1396)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1017)
	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1896)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
	at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1993)
	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1918)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:371)
	at org.apache.catalina.session.StandardSession.doReadObject(StandardSession.java:1602)
	at org.apache.catalina.session.StandardSession.readObjectData(StandardSession.java:1067)
	at org.apache.catalina.session.StandardManager.doLoad(StandardManager.java:261)
	at org.apache.catalina.session.StandardManager.load(StandardManager.java:180)
	at org.apache.catalina.session.StandardManager.startInternal(StandardManager.java:470)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5175)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:726)
	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:702)
	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:697)
	at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:579)
	at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1744)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)

je ne comprends pas trop ce qu'il se passe, je serialise mes javabeans ainsi que leurs classe mère (sur 2 niveaux)
Merci.