hello again,
yesterday I posted a solution using RMI for openwfe that works fine as
a standalone application. I've put it into a class and built it as a
class library project, in order to bind the compiled jar into other
project - my GWT-based application. the code I wish to use is launched
from the server-side of GWT app (which is a client for workflow
engine). after hooking up all necessary jars to my project, I get the
following exception:
java.rmi.ServerException: RemoteException occurred in server thread;
nested exception is:
java.rmi.UnmarshalException: error unmarshalling arguments;
nested exception is:
java.net.MalformedURLException: no protocol: and
at
sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:336)
at sun.rmi.transport.Transport$1.run(Transport.java:159)
at java.security.AccessController.doPrivileged(Native Method)
at sun.rmi.transport.Transport.serviceCall(Transport.java:155)
at
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:
535)
at sun.rmi.transport.tcp.TCPTransport
$ConnectionHandler.run0(TCPTransport.java:790)
at sun.rmi.transport.tcp.TCPTransport
$ConnectionHandler.run(TCPTransport.java:649)
at java.util.concurrent.ThreadPoolExecutor
$Worker.runTask(ThreadPoolExecutor.java:885)
at java.util.concurrent.ThreadPoolExecutor
$Worker.run(ThreadPoolExecutor.java:907)
at java.lang.Thread.run(Thread.java:619)
at
sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:
255)
at
sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:
233)
at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:142)
at
openwfe.org.worklist.impl.RmiWorkSession_Stub.launch(Unknown Source)
at desy.workflow.launcher.WFLauncher.launch(WFLauncher.java:
59)
at
desy.jdesp.server.JDespServiceImpl.login(JDespServiceImpl.java:48)
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:597)
at
com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:
281)
at
com.google.gwt.user.server.rpc.RemoteServiceServlet.doPost(RemoteServiceServlet.java:
167)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:
709)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:
802)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:
252)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:
173)
at
org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:
368)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:
202)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:
173)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:
213)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:
178)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:
126)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:
105)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:
107)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:
148)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:
869)
at org.apache.coyote.http11.Http11BaseProtocol
$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:
664)
at
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:
527)
at
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:
80)
at org.apache.tomcat.util.threads.ThreadPool
$ControlRunnable.run(ThreadPool.java:684)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.rmi.UnmarshalException: error unmarshalling arguments;
nested exception is:
java.net.MalformedURLException: no protocol: and
(...)
this is the piece of code that works fine as a standalone application
(all URLs are supplied correctly):
WorkSessionServer srv = (WorkSessionServer)Naming.lookup(worklistURL);
WorkSession workSession = (WorkSession)srv.login("admin", "admin");
LaunchItem li = new LaunchItem();
li.setWorkflowDefinitionUrl(engineURL + workflowName);
// launching the flow on the engine "mainEngine"
String wfid = workSession.launch("mainEngine", li); // this line
causes the exception
could anyone explain why I get this MalformedUrlException somewhere
from inside the launch() method?
again, a remark: the code is used from within class library (jar) that
is hooked up to my project's classpath.
thanks,
bart
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