Relatorios Jaspers - Linux

Eae galera.
Tenho um servlet que gera relatorios jasper em um servidor de desenvolvimento linux.
porem agora em um outro servidor, que teoricamente possui a mesma configuracao(inclusive mesmo SO) , a chamada deste servlet esta gerando o seguinte erro:

500 Internal Server Error
/servlet/Report:

javax.servlet.ServletException: null
java.lang.NoClassDefFoundError
	at sun.misc.Unsafe.ensureClassInitialized(Native Method)
	at sun.reflect.UnsafeFieldAccessorFactory.newFieldAccessor(UnsafeFieldAccessorFactory.java:20)
	at sun.reflect.ReflectionFactory.newFieldAccessor(ReflectionFactory.java:122)
	at java.lang.reflect.Field.acquireFieldAccessor(Field.java:779)
	at java.lang.reflect.Field.getFieldAccessor(Field.java:760)
	at java.lang.reflect.Field.getLong(Field.java:398)
	at java.io.ObjectStreamClass.getDeclaredSUID(ObjectStreamClass.java:1478)
	at java.io.ObjectStreamClass.access$400(ObjectStreamClass.java:47)
	at java.io.ObjectStreamClass$3.run(ObjectStreamClass.java:335)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.io.ObjectStreamClass.(ObjectStreamClass.java:333)
	at java.io.ObjectStreamClass.lookup(ObjectStreamClass.java:253)
	at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:453)
	at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1521)
	at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1435)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1626)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1274)
	at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1845)
	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1769)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1646)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1274)
	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:324)
	at java.util.ArrayList.readObject(ArrayList.java:547)
	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:324)
	at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:838)
	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1746)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1646)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1274)
	at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1845)
	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1769)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1646)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1274)
	at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1845)
	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1769)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1646)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1274)
	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:324)
	at net.sf.jasperreports.engine.util.JRLoader.loadObject(JRLoader.java:88)
	at com.relatorios.viewReport.relatorio1(viewReport.java:202)
	at com.relatorios.viewReport.service(viewReport.java:137)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:865)
	at allaire.jrun.servlet.JRunSE.service(JRunSE.java:1013)
	at allaire.jrun.servlet.JRunSE.runServlet(JRunSE.java:925)
	at allaire.jrun.servlet.JRunRequestDispatcher.forward(JRunRequestDispatcher.java:88)
	at allaire.jrun.servlet.JRunSE.service(JRunSE.java:1131)
	at allaire.jrun.servlet.JvmContext.dispatch(JvmContext.java:330)
	at allaire.jrun.jrpp.ProxyEndpoint.run(ProxyEndpoint.java:382)
	at allaire.jrun.ThreadPool.run(ThreadPool.java:272)
	at allaire.jrun.WorkerThread.run(WorkerThread.java:75)

alguem poderia ajudar?

vlww

…alguem tem alguma ideia?!