Could you please post the change-set you are using?<div><br></div><div>Best Regards,<br clear="all"><br>XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX<br><br>Esteban Aliverti<br>- Developer @ <a href="http://www.plugtree.com" target="_blank">http://www.plugtree.com </a><br>
- Blog @ <a href="http://ilesteban.wordpress.com" target="_blank">http://ilesteban.wordpress.com</a><br>
<br><br><div class="gmail_quote">On Tue, Feb 1, 2011 at 2:34 PM, Claus Straube <span dir="ltr"><<a href="mailto:claus.straube@catify.com">claus.straube@catify.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
Hi all,<br>
<br>
I'm trying to use the resource scanner in my application (drools 5.1.1,<br>
also tried in 5.2.0-SNAPSHOT):<br>
<br>
--snip--<br>
//resource scanner<br>
KnowledgeAgent kagent =<br>
KnowledgeAgentFactory.newKnowledgeAgent( "MyAgent" );<br>
kagent.applyChangeSet(<br>
ResourceFactory.newByteArrayResource(this.getChangeConfiguration()) );<br>
KnowledgeBase kbase = kagent.getKnowledgeBase();<br>
<br>
this.ksession = kbase.newStatefulKnowledgeSession();<br>
--snip--<br>
<br>
and getting always a 'KnowledgeAgent exception while trying to<br>
deserialize KnowledgeDefinitionsPackage' (see stacktrace below). Of<br>
course I've googled for the problem and found that it was in 5.0.1 a<br>
incompatibility problem between drools expert and guvner. But I'm not<br>
using guvnor at all. I want to place some *.drl files in a directory and<br>
run an agent that automatically updates my knowledge base. The agent<br>
finds the directory and the files, but has problems to deserialize them.<br>
If I'm loading them directly into the knowledge base they will work fine.<br>
<br>
Any hints to find a solution are welcome.<br>
<br>
Best regards - Claus<br>
<br>
<br>
-----<br>
java.lang.RuntimeException: KnowledgeAgent exception while trying to<br>
deserialize KnowledgeDefinitionsPackage<br>
at<br>
org.drools.agent.impl.KnowledgeAgentImpl.createPackageFromResource(KnowledgeAgentImpl.java:732)<br>
at<br>
org.drools.agent.impl.KnowledgeAgentImpl.addResourcesToKnowledgeBase(KnowledgeAgentImpl.java:965)<br>
at<br>
org.drools.agent.impl.KnowledgeAgentImpl.rebuildResources(KnowledgeAgentImpl.java:774)<br>
at<br>
org.drools.agent.impl.KnowledgeAgentImpl.buildKnowledgeBase(KnowledgeAgentImpl.java:646)<br>
at<br>
org.drools.agent.impl.KnowledgeAgentImpl.applyChangeSet(KnowledgeAgentImpl.java:190)<br>
at<br>
org.drools.agent.impl.KnowledgeAgentImpl.applyChangeSet(KnowledgeAgentImpl.java:172)<br>
at<br>
com.catify.core.process.routers.DecisionRouter.<init>(DecisionRouter.java:32)<br>
at<br>
com.catify.core.rest.TestDecisionRouter.testRouting(TestDecisionRouter.java:27)<br>
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)<br>
at<br>
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)<br>
at<br>
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)<br>
at java.lang.reflect.Method.invoke(Method.java:616)<br>
at junit.framework.TestCase.runTest(TestCase.java:168)<br>
at junit.framework.TestCase.runBare(TestCase.java:134)<br>
at org.apache.camel.test.TestSupport.runBare(TestSupport.java:65)<br>
at junit.framework.TestResult$1.protect(TestResult.java:110)<br>
at junit.framework.TestResult.runProtected(TestResult.java:128)<br>
at junit.framework.TestResult.run(TestResult.java:113)<br>
at junit.framework.TestCase.run(TestCase.java:124)<br>
at junit.framework.TestSuite.runTest(TestSuite.java:232)<br>
at junit.framework.TestSuite.run(TestSuite.java:227)<br>
at<br>
org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:83)<br>
at<br>
org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:46)<br>
at<br>
org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)<br>
at<br>
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)<br>
at<br>
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)<br>
at<br>
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)<br>
at<br>
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)<br>
Caused by: java.io.StreamCorruptedException: invalid stream header: 7061636B<br>
at<br>
java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:800)<br>
at java.io.ObjectInputStream.<init>(ObjectInputStream.java:297)<br>
at<br>
org.drools.common.DroolsObjectInputStream.<init>(DroolsObjectInputStream.java:71)<br>
at<br>
org.drools.core.util.DroolsStreamUtils.streamIn(DroolsStreamUtils.java:205)<br>
at<br>
org.drools.core.util.DroolsStreamUtils.streamIn(DroolsStreamUtils.java:174)<br>
at<br>
org.drools.agent.impl.KnowledgeAgentImpl.createPackageFromResource(KnowledgeAgentImpl.java:721)<br>
... 27 more<br>
_______________________________________________<br>
rules-users mailing list<br>
<a href="mailto:rules-users@lists.jboss.org">rules-users@lists.jboss.org</a><br>
<a href="https://lists.jboss.org/mailman/listinfo/rules-users" target="_blank">https://lists.jboss.org/mailman/listinfo/rules-users</a><br>
</blockquote></div><br></div>