Bruce Cui [
http://community.jboss.org/people/brucecui] created the discussion
"Re: Is there a way to make ksession aware service task running in web
console?"
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http://community.jboss.org/message/612756#612756
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Here are some of my findings:
The exception is threw out by the WorkItemInfo class's update method. From there I
found that the code is trying to marshal the parameter map. And the marshal strategies are
set in the EnvironmentImpl object when EnvironmentFactory instantiats the instance. The
only currently used strategy is a serialize strategy, which requires all objects
implements java.io.Serializable interface, which is not by either the
StatefulKnowledgeSessionImpl class, or the ProcessRuntimeImpl class. Therefore, it threw
out IOException while trying to serialize them into stream.
I'm thinking, if I put one strategy before the serialize strategy, which only accept
StatefulKnowledgeSessionImpl or some high level interface, and it doesn't perform
serialization, it might be able to avoid this exception.
I found that there are some other strategies, such like
IdentityPlaceholderResolverStrategy, defined in the the MarshallerProvider. But the
actually used marshal strategy is hardcoded in the EnvironmentFactory. I'm wondering
if there is a way to change the strategy array in a declarative way, or I have to change
some code to make this happen?
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