Hi all,
I was trying to build a rmi service using tuscany.I implemented a
UserService interface that extends a generic interface,please see more details
from my mail attachment;
When I called normal method ,it worked well.But when I called generic
method,it throwed exception.
Here's the exception stacktrace,java.lang.NullPointerException at java.util.concurrent.ConcurrentHashMap.hash(ConcurrentHashMap.java:157) at java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:730) at org.apache.tuscany.sca.core.assembly.RuntimeWireImpl.getInvocationChain(RuntimeWireImpl.java:144) at org.apache.tuscany.sca.core.invocation.RuntimeWireInvoker.invoke(RuntimeWireInvoker.java:103) at org.apache.tuscany.sca.core.invocation.RuntimeWireInvoker.invoke(RuntimeWireInvoker.java:98) at org.apache.tuscany.sca.core.assembly.RuntimeWireImpl.invoke(RuntimeWireImpl.java:175) at org.apache.tuscany.sca.binding.rmi.provider.RMIServiceBindingProvider.invokeTarget(RMIServiceBindingProvider.java:148) at org.apache.tuscany.sca.binding.rmi.provider.RMIServiceBindingProvider$1.intercept(RMIServiceBindingProvider.java:110) at $java.rmi.server.UnicastRemoteObject$$EnhancerByCGLIB$$17915681.insert(<generated>) 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:585) at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:294) at sun.rmi.transport.Transport$1.run(Transport.java:153) at java.security.AccessController.doPrivileged(Native Method) at sun.rmi.transport.Transport.serviceCall(Transport.java:149) at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:466) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:707) at java.lang.Thread.run(Thread.java:595) at sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:247) at sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:223) at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:126) at java.rmi.server.RemoteObjectInvocationHandler.invokeRemoteMethod(RemoteObjectInvocationHandler.java:179) at java.rmi.server.RemoteObjectInvocationHandler.invoke(RemoteObjectInvocationHandler.java:132) Thanks ! 2011-08-19 fzhong
test-rmi-service.rar
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