<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:arial,helvetica,sans-serif;font-size:10pt">Hi,<br> I have an application using drools 3.0.6. I downloaded jboss rules 4.0.2 GA and made necessary changes to the code to make it compatible to version 4.0.2. When I try to run the application now, I am getting following error.<br><br><p class="MsoNormal"><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">2007-10-22 19:12:16,255 ERROR
[STDERR] java.lang.NoSuchMethodError:
org.antlr.runtime.DFA.unpackEncodedString(Ljava/lang/String;)[S<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">2007-10-22 19:12:16,255 ERROR
[STDERR] at
org.drools.lang.DRLParser.<clinit>(DRLParser.java:7205)<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">2007-10-22 19:12:16,255 ERROR
[STDERR] at
org.drools.compiler.DrlParser.getParser(DrlParser.java:204)<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">2007-10-22 19:12:16,255 ERROR
[STDERR] at
org.drools.compiler.DrlParser.parse(DrlParser.java:60)<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">2007-10-22 19:12:16,256 ERROR
[STDERR] at
org.drools.compiler.PackageBuilder.addPackageFromDrl(PackageBuilder.java:158)<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">2007-10-22 19:12:16,256 ERROR
[STDERR] at
com.egatematrix.ess.framework.service.remote.rules.RulesEngineInvoker.readRule(RulesEngineInvoker.java:83)<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">2007-10-22 19:12:16,256 ERROR
[STDERR] at
com.egatematrix.ess.framework.service.RuleService.doProcess(RuleService.java:294)<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">2007-10-22 19:12:16,256 ERROR
[STDERR] at
com.egatematrix.ess.framework.service.FetchFSSData.invokeRuleService(FetchFSSData.java:140)<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">2007-10-22 19:12:16,256 ERROR
[STDERR] at
com.egatematrix.ess.framework.service.FetchFSSData.triggerData(FetchFSSData.java:68)<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">2007-10-22 19:12:16,256 ERROR
[STDERR] at
com.egatematrix.ess.framework.service.FetchFSSData$1.run(FetchFSSData.java:84)<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">2007-10-22 19:12:16,256 ERROR
[STDERR] at
java.util.TimerThread.mainLoop(Timer.java:512)<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">2007-10-22 19:12:16,257 ERROR
[STDERR] at java.util.TimerThread.run(Timer.java:462)<o:p></o:p></span></font></p><br>I have antlr-runtime-3.0.jar in my classpath which came with drools 4 distribution. I don't have any other version of antlr in my classpath. Has anyone else encountered this problem? Any help will be appreciated.<br><div> </div><span style="color: rgb(0, 0, 0);">thanks, </span><br style="color: rgb(0, 0, 0);"><span style="color: rgb(0, 0, 0);">Prashant</span><div><br></div></div></body></html>