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Did you recompile the packages in Guvnor, there is a button for
that. Server and client must all be on the same version, as well as
compiled Packages.<br>
<br>
Mark<br>
On 03/12/2010 16:15, John Peterson wrote:
<blockquote
cite="mid:D3A6E68928C9104BB815C83F43A36BDF0EE79E69@WPSCV6NH.OPR.STATEFARM.ORG"
type="cite">
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<title>KnowledgeAgent exception while trying to deserialize
KnowledgeDefinitionsPackage</title>
<!-- Converted from text/rtf format -->
<p dir="LTR"><span lang="en-us"><font face="Calibri">I</font></span><span
lang="en-us"><font face="Calibri">’</font></span><span
lang="en-us"><font face="Calibri">m getting the following
error when I attempt to</font></span><span lang="en-us"> <font
face="Calibri">run my Drools application. I recently
upgraded from Drools 5.0.1 and Guvnor 5.0.1 to 5.1.1 (for
both).</font></span><span lang="en-us"><font face="Calibri">
I</font></span><span lang="en-us"><font face="Calibri">’</font></span><span
lang="en-us"><font face="Calibri">ve looked through the
rules-users list and I found the issue with the XML Change</font>
<font face="Calibri">Set</font> <font face="Calibri">(authent</font><font
face="Calibri">ication), which I</font></span><span
lang="en-us"><font face="Calibri">’</font></span><span
lang="en-us"><font face="Calibri">ve addressed (XML listed at
the bottom), but I</font></span><span lang="en-us"><font
face="Calibri">’</font></span><span lang="en-us"><font
face="Calibri">m still getting the error. Does anyone have
any ideas or can point me in a particular direction?</font></span></p>
<p dir="LTR"><span lang="en-us"><font face="Calibri">Thanks</font></span><span
lang="en-us"></span></p>
<p dir="LTR"><span lang="en-us"></span></p>
<p dir="LTR"><span lang="en-us"><font face="Calibri">Error:</font></span><span
lang="en-us"></span></p>
<p dir="LTR"><span lang="en-us"></span><span lang="en-us"><font
color="#000000" face="Courier New" size="2">[2010:12:337
09:12:373:debug] KnowledgeAgent mapping
resource=[ClassPathResource path='ruleflow.rf'] to
KnowledgeDefinition=org.drools.ruleflow.core.RuleFlowProcess@2d89ba2a</font></span><span
lang="en-us"></span><span lang="en-us"></span></p>
<p dir="LTR"><span lang="en-us"></span><span lang="en-us"><font
color="#000000" face="Courier New" size="2">[2010:12:337
09:12:373:exception]</font></span><span lang="en-us"></span><span
lang="en-us"></span></p>
<p dir="LTR"><span lang="en-us"></span><span lang="en-us"><u><font
color="#000080" face="Courier New" size="2">java.lang.RuntimeException</font></u></span><span
lang="en-us"></span><span lang="en-us"><font color="#000000"
face="Courier New" size="2">: KnowledgeAgent exception while
trying to deserialize KnowledgeDefinitionsPackage </font></span><span
lang="en-us"></span><span lang="en-us"> </span></p>
<p dir="LTR"><span lang="en-us"></span><span lang="en-us">
<font color="#000000" face="Courier New" size="2">at
org.drools.agent.impl.KnowledgeAgentImpl.addResourcesToKnowledgeBase(</font></span><span
lang="en-us"></span><span lang="en-us"><u><font
color="#000080" face="Courier New" size="2">KnowledgeAgentImpl.java:914</font></u></span><span
lang="en-us"></span><span lang="en-us"><font color="#000000"
face="Courier New" size="2">)</font></span><span
lang="en-us"></span><span lang="en-us"></span></p>
<p dir="LTR"><span lang="en-us"></span><span lang="en-us">
<font color="#000000" face="Courier New" size="2">at
org.drools.agent.impl.KnowledgeAgentImp</font><font
color="#000000" face="Courier New" size="2">l.rebuildResources(</font></span><span
lang="en-us"></span><span lang="en-us"><u><font
color="#000080" face="Courier New" size="2">KnowledgeAgentImpl.java:704</font></u></span><span
lang="en-us"></span><span lang="en-us"><font color="#000000"
face="Courier New" size="2">)</font></span><span
lang="en-us"></span><span lang="en-us"></span></p>
<p dir="LTR"><span lang="en-us"></span><span lang="en-us">
<font color="#000000" face="Courier New" size="2">at
org.drools.agent.impl.KnowledgeAgentImpl.buildKnowledgeBase(</font></span><span
lang="en-us"></span><span lang="en-us"><u><font
color="#000080" face="Courier New" size="2">KnowledgeAgentImpl.java:584</font></u></span><span
lang="en-us"></span><span lang="en-us"><font color="#000000"
face="Courier New" size="2">)</font></span><span
lang="en-us"></span><span lang="en-us"></span></p>
<p dir="LTR"><span lang="en-us"></span><span lang="en-us">
<font color="#000000" face="Courier New" size="2">at
org.drools.agent.impl.KnowledgeAgentImpl.applyChangeSet(</font></span><span
lang="en-us"></span><span lang="en-us"><u><font
color="#000080" face="Courier New" size="2">KnowledgeAgentImpl.java:185</font></u></span><span
lang="en-us"></span><span lang="en-us"><font color="#000000"
face="Courier New" size="2">)</font></span><span
lang="en-us"></span><span lang="en-us"></span></p>
<p dir="LTR"><span lang="en-us"></span><span lang="en-us">
<font color="#000000" face="Courier New" size="2">at
org.drools.agent.impl.</font><font color="#000000"
face="Courier New" size="2">KnowledgeAgentImpl.applyChangeSet(</font></span><span
lang="en-us"></span><span lang="en-us"><u><font
color="#000080" face="Courier New" size="2">KnowledgeAgentImpl.java:168</font></u></span><span
lang="en-us"></span><span lang="en-us"><font color="#000000"
face="Courier New" size="2">)</font></span><span
lang="en-us"></span><span lang="en-us"></span></p>
<p dir="LTR"><span lang="en-us"></span><span lang="en-us">
<font color="#000000" face="Courier New" size="2">at
com.agencyawards2.RuleSessionProviderFactory.getSessionFactory(</font></span><span
lang="en-us"></span><span lang="en-us"><u><font
color="#000080" face="Courier New" size="2">RuleSessionProviderFactory.java:102</font></u></span><span
lang="en-us"></span><span lang="en-us"><font color="#000000"
face="Courier New" size="2">)</font></span><span
lang="en-us"></span><span lang="en-us"></span></p>
<p dir="LTR"><span lang="en-us"></span><span lang="en-us">
<font color="#000000" face="Courier New" size="2">at
com.agencyawards2.RuleSessionProviderFactory.getProvider(</font></span><span
lang="en-us"></span><span lang="en-us"><u><font
color="#000080" face="Courier New" size="2">RuleSessionProviderFactory.j</font><font
color="#000080" face="Courier New" size="2">ava:30</font></u></span><span
lang="en-us"></span><span lang="en-us"><font color="#000000"
face="Courier New" size="2">)</font></span><span
lang="en-us"></span><span lang="en-us"></span></p>
<p dir="LTR"><span lang="en-us"></span><span lang="en-us">
<font color="#000000" face="Courier New" size="2">at
com.agencyawards2.RunRules.runRules(</font></span><span
lang="en-us"></span><span lang="en-us"><u><font
color="#000080" face="Courier New" size="2">RunRules.java:25</font></u></span><span
lang="en-us"></span><span lang="en-us"><font color="#000000"
face="Courier New" size="2">)</font></span><span
lang="en-us"></span><span lang="en-us"></span></p>
<p dir="LTR"><span lang="en-us"></span><span lang="en-us">
<font color="#000000" face="Courier New" size="2">at
com.agencyawards2.DroolsTest.main(</font></span><span
lang="en-us"></span><span lang="en-us"><u><font
color="#000080" face="Courier New" size="2">DroolsTest.java:36</font></u></span><span
lang="en-us"></span><span lang="en-us"><font color="#000000"
face="Courier New" size="2">)</font></span><span
lang="en-us"></span><span lang="en-us"></span></p>
<p dir="LTR"><span lang="en-us"></span><span lang="en-us"><font
color="#000000" face="Courier New" size="2">Caused by:</font></span><span
lang="en-us"></span><span lang="en-us"><u> <font
color="#000080" face="Courier New" size="2">java.lang.NullPointerException</font></u></span><span
lang="en-us"></span><span lang="en-us"></span></p>
<p dir="LTR"><span lang="en-us"></span><span lang="en-us">
<font color="#000000" face="Courier New" size="2">at
org.drools.process.core.impl.ProcessImpl.equals(</font></span><span
lang="en-us"></span><span lang="en-us"><u><font
color="#000080" face="Courier New" size="2">ProcessImpl.java:134</font></u></span><span
lang="en-us"></span><span lang="en-us"><font color="#000000"
face="Courier New" size="2">)</font></span><span
lang="en-us"></span><span lang="en-us"></span></p>
<p dir="LTR"><span lang="en-us"></span><span lang="en-us">
<font color="#000000" face="Courier New" size="2">at
java.util.HashMap.put(Unknown Source)</font></span><span
lang="en-us"></span><span lang="en-us"></span></p>
<p dir="LTR"><span lang="en-us"></span><span lang="en-us">
<font color="#000000" face="Courier New" size="2">at
java.util.HashSet.add(Unknown Source)</font></span><span
lang="en-us"></span><span lang="en-us"></span></p>
<p dir="LTR"><span lang="en-us"></span><span lang="en-us">
<font color="#000000" face="Courier New" size="2">at
org.drools.agent.impl.KnowledgeAgentImpl$RegisteredResourceMap.putDefinition(</font></span><span
lang="en-us"></span><span lang="en-us"><u><font
color="#000080" face="Courier New" size="2">KnowledgeAgentImpl.java:1150</font></u></span><span
lang="en-us"></span><span lang="en-us"><font color="#000000"
face="Courier New" size="2">)</font></span><span
lang="en-us"></span><span lang="en-us"></span></p>
<p dir="LTR"><span lang="en-us"></span><span lang="en-us">
<font color="#000000" face="Courier New" size="2">at
org.drools.agent.impl.KnowledgeAgentImpl.addDefinitionMap</font><font
color="#000000" face="Courier New" size="2">ping(</font></span><span
lang="en-us"></span><span lang="en-us"><u><font
color="#000080" face="Courier New" size="2">KnowledgeAgentImpl.java:1037</font></u></span><span
lang="en-us"></span><span lang="en-us"><font color="#000000"
face="Courier New" size="2">)</font></span><span
lang="en-us"></span><span lang="en-us"></span></p>
<p dir="LTR"><span lang="en-us"></span><span lang="en-us">
<font color="#000000" face="Courier New" size="2">at
org.drools.agent.impl.KnowledgeAgentImpl.buildResourceMapping(</font></span><span
lang="en-us"></span><span lang="en-us"><u><font
color="#000080" face="Courier New" size="2">KnowledgeAgentImpl.java:496</font></u></span><span
lang="en-us"></span><span lang="en-us"><font color="#000000"
face="Courier New" size="2">)</font></span><span
lang="en-us"></span><span lang="en-us"></span></p>
<p dir="LTR"><span lang="en-us"></span><span lang="en-us">
<font color="#000000" face="Courier New" size="2">at
org.drools.agent.impl.KnowledgeAgentImpl.buildResourceMapping(</font></span><span
lang="en-us"></span><span lang="en-us"><u><font
color="#000080" face="Courier New" size="2">KnowledgeAgentImpl.java:443</font></u></span><span
lang="en-us"></span><span lang="en-us"><font color="#000000"
face="Courier New" size="2">)</font></span><span
lang="en-us"></span><span lang="en-us"></span></p>
<p dir="LTR"><span lang="en-us"></span><span lang="en-us">
<font color="#000000" face="Courier New" size="2">at
org.drools.agent.impl.Knowl</font><font color="#000000"
face="Courier New" size="2">edgeAgentImpl.addResourcesToKnowledgeBase(</font></span><span
lang="en-us"></span><span lang="en-us"><u><font
color="#000080" face="Courier New" size="2">KnowledgeAgentImpl.java:912</font></u></span><span
lang="en-us"></span><span lang="en-us"><font color="#000000"
face="Courier New" size="2">)</font></span><span
lang="en-us"></span><span lang="en-us"></span></p>
<p dir="LTR"><span lang="en-us"></span><span lang="en-us">
<font color="#000000" face="Courier New" size="2">... 8 more</font></span><span
lang="en-us"></span><span lang="en-us"></span></p>
<p dir="LTR"><span lang="en-us"></span><span lang="en-us"></span></p>
<p dir="LTR"><span lang="en-us"><font color="#000000"
face="Courier New" size="2">Change Set:</font></span><span
lang="en-us"></span><span lang="en-us"></span></p>
<p dir="LTR"><span lang="en-us"></span><span lang="en-us"><b><font
face="Courier New" size="2"> <?xml version="1.0"
encoding="UTF-8" ?> </font></b></span></p>
<p dir="LTR"><span lang="en-us"><b><font face="Courier New"
size="2">- <change-set xmlns="<a moz-do-not-send="true"
href="http://drools.org/drools-5.0/change-set">http://drools.org/drools-5.0/change-set</a>"
xmlns:xs="<a moz-do-not-send="true"
href="http://www.w3.org/2001/XMLSchema-instance">http://www.w3.org/2001/XMLSchema-instance</a>"
xs:schemaLocation="<a moz-do-not-send="true"
href="http://drools.org/drools-5.0/change-set">http://drools.org/drools-5.0/change-set</a>
drools-change-set-5.0.xsd"></font></b></span></p>
<p dir="LTR"><span lang="en-us"><b><font face="Courier New"
size="2">- <add></font></b></span></p>
<p dir="LTR"><span lang="en-us"><b><font face="Courier New"
size="2"> <resource source="<a moz-do-not-send="true"
href="http://localhost:8080/drools-guvnor/org.drools.guvnor.Guvnor/package/com.agencyawards2/LATEST">http://localhost:8080/drools-guvnor/org.drools.guvnor.Guvnor/package/com.agencyawards2/LATEST</a>"
type="PKG" basicAuthentication="enabled" username="admin"
password="admin" /> </font></b></span></p>
<p dir="LTR"><span lang="en-us"><b><font face="Courier New"
size="2"> </add></font></b></span></p>
<p dir="LTR"><span lang="en-us"><b><font face="Courier New"
size="2"> </change-set></font></b></span><span
lang="en-us"></span></p>
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</blockquote>
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