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<DIV><FONT face=Arial size=2>Hi,<BR> <BR>I am using DROOLs 5.0.0 CR1 and
use the <SPAN class=974502518-14042009>compiler </SPAN>from Drools-Ant.
When I attempt to execute the rules using a rule agent, I get an exception that
in part reads<BR> <BR>java.lang.NullPointerException</FONT></DIV>
<DIV><FONT face=Arial size=2>at
java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1820)</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Arial size=2>(Full stack follows this e-mail.) However, when I
download the pkg file for the same ruleset from Guvnor and use it in the rule
agent, it runs fine. </FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Arial size=2>I use the following for building -</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Arial size=2><taskdef name="compiler"
classname="org.drools.contrib.DroolsCompilerAntTask"
classpathref="compiler.classpath" /></FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Arial size=2><compiler srcdir="../${rulesDirectory}"
tofile="../${buildDirectory}/${projectName}_rules.pkg"
<BR> classpath="../${buildDirectory}/${projectName}_rules.jar"
<BR> binformat="package"><BR> <include name="*.drl"
/><BR> <include name="*.brl" /><BR> <include name="*.xml"
/><BR> <include name="*.dslr" /><BR> <include name="*.xls"
/><BR></compiler></FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Arial><FONT size=2><SPAN class=974502518-14042009>W</SPAN>hat
I <SPAN class=974502518-14042009>should do to </SPAN>compil<SPAN
class=974502518-14042009>e correctly</SPAN>?</FONT></FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV> </DIV>
<DIV><FONT face=Arial size=2><STRONG>Full Stack</STRONG></FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Arial size=2>java.lang.NullPointerException<BR>at
java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1820)<BR>at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1719)<BR>at
java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1305)<BR>at
java.io.ObjectInputStream.readObject(ObjectInputStream.java:348)<BR>at
org.drools.rule.DialectRuntimeRegistry.readExternal(DialectRuntimeRegistry.java:41)<BR>at
java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1755)<BR>at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1717)<BR>at
java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1305)<BR>at
java.io.ObjectInputStream.readObject(ObjectInputStream.java:348)<BR>at
org.drools.rule.Package.readExternal(Package.java:197)<BR>at
java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1755)<BR>at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1717)<BR>at
java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1305)<BR>at
java.io.ObjectInputStream.readObject(ObjectInputStream.java:348)<BR>at
org.drools.util.DroolsStreamUtils.streamIn(DroolsStreamUtils.java:189)<BR>at
org.drools.util.DroolsStreamUtils.streamIn(DroolsStreamUtils.java:158)<BR>at
org.drools.agent.FileScanner.readPackage(FileScanner.java:136)<BR>at
org.drools.agent.FileScanner.getChangeSet(FileScanner.java:82)<BR>at
org.drools.agent.FileScanner.loadPackageChanges(FileScanner.java:56)<BR>at
org.drools.agent.DirectoryScanner.loadPackageChanges(DirectoryScanner.java:69)<BR>at
org.drools.agent.RuleAgent.checkForChanges(RuleAgent.java:410)<BR>at
org.drools.agent.RuleAgent.refreshRuleBase(RuleAgent.java:362)<BR>at
org.drools.agent.RuleAgent.configure(RuleAgent.java:347)<BR>at
org.drools.agent.RuleAgent.init(RuleAgent.java:247)<BR>at
org.drools.agent.RuleAgent.newRuleAgent(RuleAgent.java:187)<BR>at
org.drools.agent.RuleAgent.newRuleAgent(RuleAgent.java:147)</FONT></DIV></BODY></HTML>