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Editorial Team
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Asked: 2026-05-21T22:54:44+00:00

im doing j2ee with primefaces and web 2.0 and currently stuck here with this

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im doing j2ee with primefaces and web 2.0
and currently stuck here with this error

    java.io.NotSerializableException: org.apache.derby.client.am.PreparedStatement40
java.io.ObjectOutputStream.writeObject0(Unknown Source)
java.io.ObjectOutputStream.defaultWriteFields(Unknown Source)
java.io.ObjectOutputStream.writeSerialData(Unknown Source)
java.io.ObjectOutputStream.writeOrdinaryObject(Unknown Source)
java.io.ObjectOutputStream.writeObject0(Unknown Source)
java.io.ObjectOutputStream.writeObject(Unknown Source)
java.util.HashMap.writeObject(Unknown Source)
sun.reflect.GeneratedMethodAccessor21.invoke(Unknown Source)
sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
java.lang.reflect.Method.invoke(Unknown Source)
java.io.ObjectStreamClass.invokeWriteObject(Unknown Source)
java.io.ObjectOutputStream.writeSerialData(Unknown Source)
java.io.ObjectOutputStream.writeOrdinaryObject(Unknown Source)
java.io.ObjectOutputStream.writeObject0(Unknown Source)
java.io.ObjectOutputStream.defaultWriteFields(Unknown Source)
java.io.ObjectOutputStream.writeSerialData(Unknown Source)
java.io.ObjectOutputStream.writeOrdinaryObject(Unknown Source)
java.io.ObjectOutputStream.writeObject0(Unknown Source)
java.io.ObjectOutputStream.writeArray(Unknown Source)
java.io.ObjectOutputStream.writeObject0(Unknown Source)
java.io.ObjectOutputStream.writeObject(Unknown Source)
java.util.HashMap.writeObject(Unknown Source)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
java.lang.reflect.Method.invoke(Unknown Source)
java.io.ObjectStreamClass.invokeWriteObject(Unknown Source)
java.io.ObjectOutputStream.writeSerialData(Unknown Source)
java.io.ObjectOutputStream.writeOrdinaryObject(Unknown Source)
java.io.ObjectOutputStream.writeObject0(Unknown Source)
java.io.ObjectOutputStream.writeObject(Unknown Source)
com.sun.faces.renderkit.ClientSideStateHelper.doWriteState(ClientSideStateHelper.java:293)
com.sun.faces.renderkit.ClientSideStateHelper.writeState(ClientSideStateHelper.java:167)
com.sun.faces.renderkit.ResponseStateManagerImpl.writeState(ResponseStateManagerImpl.java:123)
com.sun.faces.application.StateManagerImpl.writeState(StateManagerImpl.java:155)
com.sun.faces.application.view.WriteBehindStateWriter.flushToWriter(WriteBehindStateWriter.java:221)
com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:397)
com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:126)
com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:127)
com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
javax.faces.webapp.FacesServlet.service(FacesServlet.java:313)

some googling says that i need to implements Serializable all class that i used in this function.but i’ve already done that.and this error seems quite general,i cant quite figure this out.and dont really understand error below

    org.apache.derby.client.am.PreparedStatement40
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1 Answer

  1. Editorial Team

    Looks like you’re storing a (JDBC) PreparedStatement in one of your objects that is getting serialized (probably part of a session). You should move it somewhere else or mark it transient (don’t forget it will be missing when it gets restored).

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