1:02 p.m.
Hello, I'm a n00b learning EJB3 and have a simple question. I have a stateless session
bean that I'm using to learn. It's an FTP bean -> you send it hostname, user,
pass, etc and it will FTP stuff to the site. The bean explodes to JBoss 5 just fine, and
runs perfect, if I hard code some FTP instructions within the bean itself.
Now that I got that working, my next step is I want to be able to pass an object to the
bean from a caller POJO app that is essentially a list of FTP actions to be performed. The
bean would receive this object, cast it into the my object type, and then loop over the
list of files, sending each one to the FTP site. Easy enough and a good app for training
wheels.
The problem is, originally I tried sending the specific object type to the bean directly
ie ftpBean.doWork(String host, String username, String password, ListOfFTPItems
ftpFilePackage). That threw a bunch of interceptor errors.
Next I tried making a more generic argument list -> ftpBean.doWork(String host, String
username, String password, Object ftpFilePackage), and then casting the Object into a
ListOfFTPItems inside the bean. I thought since it was a generic object, I should be able
to go back and forth just fine without having to touch anything else. What am I missing?
A couple of the guys were great at answering a question I had earlier this week about JNDI
lookup. I promised I would write a great tutorial that is completely step by step and I
am. Helping me will help out all the other newcomers!
PS -> My plan is to make this bean into an MDB so that I can run it asynchronously, but
I want to get the object passing figured out first before attempting to turn it into an
MDB.
Thanks in advance.
Error message:
Exception in thread "main" java.lang.RuntimeException:
java.lang.ClassNotFoundException: com.acmeco.serverapp.test.fileStuff.FilePackage (no
security manager: RMI class loader disabled)
| at org.jboss.aop.joinpoint.MethodInvocation.getArguments(MethodInvocation.java:318)
| at
org.jboss.ejb3.stateless.StatelessContainer.dynamicInvoke(StatelessContainer.java:481)
| 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:908)
| at
org.jboss.remoting.transport.socket.ServerThread.completeInvocation(ServerThread.java:742)
| at
org.jboss.remoting.transport.socket.ServerThread.processInvocation(ServerThread.java:695)
| at org.jboss.remoting.transport.socket.ServerThread.dorun(ServerThread.java:522)
| at org.jboss.remoting.transport.socket.ServerThread.run(ServerThread.java:230)
| Caused by: java.lang.ClassNotFoundException:
com.acmeco.serverapp.test.fileStuff.FilePackage (no security manager: RMI class 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.stateless.StatelessContainer.dynamicInvoke(StatelessContainer.java:481)
| 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:908)
| at
org.jboss.remoting.transport.socket.ServerThread.completeInvocation(ServerThread.java:742)
| at
org.jboss.remoting.transport.socket.ServerThread.processInvocation(ServerThread.java:695)
| at org.jboss.remoting.transport.socket.ServerThread.dorun(ServerThread.java:522)
| at org.jboss.remoting.transport.socket.ServerThread.run(ServerThread.java:230)
| at
org.jboss.remoting.MicroRemoteClientInvoker.invoke(MicroRemoteClientInvoker.java:206)
| at org.jboss.remoting.Client.invoke(Client.java:1708)
| at org.jboss.remoting.Client.invoke(Client.java:612)
| 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 $Proxy3.invoke(Unknown Source)
| at
org.jboss.ejb3.proxy.handler.ProxyInvocationHandlerBase.invoke(ProxyInvocationHandlerBase.java:261)
| at
org.jboss.ejb3.proxy.handler.session.SessionSpecProxyInvocationHandlerBase.invoke(SessionSpecProxyInvocationHandlerBase.java:101)
| at $Proxy2.doWork(Unknown Source)
| at
com.acmeco.serverapp.ftpDoer.client.HelloClientPOJO.doWork(HelloClientPOJO.java:41)
| at com.acmeco.serverapp.ftpDoer.client.HelloClientPOJO.main(HelloClientPOJO.java:47)
| 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 $Proxy3.invoke(Unknown Source)
| at
org.jboss.ejb3.proxy.handler.ProxyInvocationHandlerBase.invoke(ProxyInvocationHandlerBase.java:261)
| at
org.jboss.ejb3.proxy.handler.session.SessionSpecProxyInvocationHandlerBase.invoke(SessionSpecProxyInvocationHandlerBase.java:101)
| at $Proxy2.doWork(Unknown Source)
| at
com.acmeco.serverapp.ftpDoer.client.HelloClientPOJO.doWork(HelloClientPOJO.java:41)
| at com.acmeco.serverapp.ftpDoer.client.HelloClientPOJO.main(HelloClientPOJO.java:47)
|
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