Re: ClassCastException after retrieving an Entry

Hello,


As for the PREFFERED.LIST file I don't really know. I didn't create on so I
asume there is none. I'm using the Standard Installation of Jini 2.1 and
Blitz 1.29 on Win XP.

I tried the thing with  the classloader and it gives me

My Entry Loader:
sun.rmi.server.LoaderHandler$Loader@1930ebb["ahttp://computegrid:[email protected]/codebase/codebase.jar"]
My TaskEntry Loader:
org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader@1079781

for the following code

Entry entry = javaSpace.take (taskTmpl, txn, 30000);
System.out.println("My Entry Loader: "+ entry.getClass().getClassLoader());
System.out.println("My TaskEntry Loader: "+
TaskEntry.class.getClassLoader());
TaskEntry task = (TaskEntry) javaSpace.take (taskTmpl, txn, 30000);

the Exception then occurs in the 4th line of the code and is as follows

java.lang.ClassCastException: org.ac.computegrid.TaskEntry
at org.ac.computegrid.worker.GenericWorker.loop(GenericWorker.java:123)
at org.ac.mvc.ExtThread.run(ExtThread.java:399)
at java.lang.Thread.run(Unknown Source)

The TaskEntry class is in the codebase and as seen above and seems to be
taken from there.

Since it seems to be a classloading problem it might also be important that
my worker is an eclipse rcp plugin.

Thanks again for any help

Christian Hager

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