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EJB 3.1 @Singleton remote access
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reply from <a href="http://community.jboss.org/people/RET">Christian Tre</a> in <i>JNDI and Naming</i> - <a href="http://community.jboss.org/message/543016#543016">View the full discussion</a>
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<div class="jive-rendered-content"><p>the root problem described in the 1st post is solved, it was the import of the client-jars from JBoss.</p><p>but i dont have a clue about the 2nd problem.</p><p>imho the situation is the following (i assume):</p><p>Client knows his Classes (also Entities, because would have crashed earlier).</p><p>Server knows his classes too (same as above).</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>at the call with the company as argument client tries to marshal company c with classes of JBoss but did not get access via RMI (i dont know WHY the JBoss tries to return a class to the client, because the client have these class and my entity implements Serializable).</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Full Stacktrace:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><pre class="jive-pre"><code class="jive-code jive-java">java.lang.RuntimeException: java.lang.ClassNotFoundException: de.xxx.persistence.entity.core.Company (no security manager: RMI <font color="navy"><b>class</b></font> loader disabled)
    at org.jboss.aop.joinpoint.MethodInvocation.getArguments(MethodInvocation.java:318)
    at org.jboss.ejb3.singleton.aop.impl.AOPBasedSingletonContainer.dynamicInvoke(AOPBasedSingletonContainer.java:331)
    at org.jboss.ejb3.session.InvokableContextClassProxyHack._dynamicInvoke(InvokableContextClassProxyHack.java:53)
    at org.jboss.aop.Dispatcher.invoke(Dispatcher.java:91)
    at org.jboss.aspects.remoting.AOPRemotingInvocationHandler.invoke(AOPRemotingInvocationHandler.java:82)
    at org.jboss.remoting.ServerInvoker.invoke(ServerInvoker.java:897)
    at org.jboss.remoting.transport.socket.ServerThread.completeInvocation(ServerThread.java:768)
    at org.jboss.remoting.transport.socket.ServerThread.processInvocation(ServerThread.java:721)
    at org.jboss.remoting.transport.socket.ServerThread.dorun(ServerThread.java:548)
    at org.jboss.remoting.transport.socket.ServerThread.run(ServerThread.java:234)
Caused by: java.lang.ClassNotFoundException: de.xxx.persistence.entity.core.Company (no security manager: RMI <font color="navy"><b>class</b></font> loader disabled)
    at sun.rmi.server.LoaderHandler.loadClass(LoaderHandler.java:375)
    at sun.rmi.server.LoaderHandler.loadClass(LoaderHandler.java:165)
    at java.rmi.server.RMIClassLoader$2.loadClass(RMIClassLoader.java:620)
    at org.jboss.system.JBossRMIClassLoader.loadClass(JBossRMIClassLoader.java:91)
    at java.rmi.server.RMIClassLoader.loadClass(RMIClassLoader.java:247)
    at sun.rmi.server.MarshalInputStream.resolveClass(MarshalInputStream.java:197)
    at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1575)
    at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1496)
    at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1732)
    at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
    at java.io.ObjectInputStream.readArray(ObjectInputStream.java:1667)
    at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1323)
    at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
    at java.rmi.MarshalledObject.get(MarshalledObject.java:142)
    at org.jboss.aop.joinpoint.MethodInvocation.getArguments(MethodInvocation.java:309)
    at org.jboss.ejb3.singleton.aop.impl.AOPBasedSingletonContainer.dynamicInvoke(AOPBasedSingletonContainer.java:331)
    at org.jboss.ejb3.session.InvokableContextClassProxyHack._dynamicInvoke(InvokableContextClassProxyHack.java:53)
    at org.jboss.aop.Dispatcher.invoke(Dispatcher.java:91)
    at org.jboss.aspects.remoting.AOPRemotingInvocationHandler.invoke(AOPRemotingInvocationHandler.java:82)
    at org.jboss.remoting.ServerInvoker.invoke(ServerInvoker.java:897)
    at org.jboss.remoting.transport.socket.ServerThread.completeInvocation(ServerThread.java:768)
    at org.jboss.remoting.transport.socket.ServerThread.processInvocation(ServerThread.java:721)
    at org.jboss.remoting.transport.socket.ServerThread.dorun(ServerThread.java:548)
    at org.jboss.remoting.transport.socket.ServerThread.run(ServerThread.java:234)
    at org.jboss.remoting.MicroRemoteClientInvoker.invoke(MicroRemoteClientInvoker.java:213)
    at org.jboss.remoting.Client.invoke(Client.java:1927)
    at org.jboss.remoting.Client.invoke(Client.java:770)
    at org.jboss.aspects.remoting.InvokeRemoteInterceptor.invoke(InvokeRemoteInterceptor.java:60)
    at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)
    at org.jboss.aspects.tx.ClientTxPropagationInterceptor.invoke(ClientTxPropagationInterceptor.java:61)
    at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)
    at org.jboss.ejb3.security.client.SecurityClientInterceptor.invoke(SecurityClientInterceptor.java:65)
    at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)
    at org.jboss.ejb3.remoting.IsLocalInterceptor.invoke(IsLocalInterceptor.java:74)
    at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)
    at org.jboss.aspects.remoting.PojiProxy.invoke(PojiProxy.java:62)
    at $Proxy6.invoke(Unknown Source)
    at org.jboss.ejb3.proxy.impl.handler.session.SessionProxyInvocationHandlerBase.invoke(SessionProxyInvocationHandlerBase.java:188)
    at $Proxy5.get(Unknown Source)
    at de.xxx.test.CoreServicesRemoteTest.testCompanyCreate(CoreServicesRemoteTest.java:39)
    at de.xxx.test.CoreServicesRemoteTest.main(CoreServicesRemoteTest.java:50)
    at org.jboss.aspects.remoting.InvokeRemoteInterceptor.invoke(InvokeRemoteInterceptor.java:72)
    at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)
    at org.jboss.aspects.tx.ClientTxPropagationInterceptor.invoke(ClientTxPropagationInterceptor.java:61)
    at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)
    at org.jboss.ejb3.security.client.SecurityClientInterceptor.invoke(SecurityClientInterceptor.java:65)
    at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)
    at org.jboss.ejb3.remoting.IsLocalInterceptor.invoke(IsLocalInterceptor.java:74)
    at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)
    at org.jboss.aspects.remoting.PojiProxy.invoke(PojiProxy.java:62)
    at $Proxy6.invoke(Unknown Source)
    at org.jboss.ejb3.proxy.impl.handler.session.SessionProxyInvocationHandlerBase.invoke(SessionProxyInvocationHandlerBase.java:188)
    at $Proxy5.get(Unknown Source)
    at de.xxx.test.CoreServicesRemoteTest.testCompanyCreate(CoreServicesRemoteTest.java:39)
    at de.xxx.test.CoreServicesRemoteTest.main(CoreServicesRemoteTest.java:50)
</code></pre></div>
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