<br> Prateek,<br><br> It is difficult to diagnose the problem only by the provided stacktrace. May I suggest that first thing you do is upgrade the drools version to 4.0.2 or if possible 4.0.3 (to be released today)? There are several bug fixes and a few error message improvements, that hopefully will allow us to narrow the problem.
<br><br> []s<br> Edson<br><br><div><span class="gmail_quote">2007/10/23, <a href="mailto:prateek.katiyar@wipro.com">prateek.katiyar@wipro.com</a> <<a href="mailto:prateek.katiyar@wipro.com">prateek.katiyar@wipro.com
</a>>:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
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<div dir="ltr"><font color="#0000ff" face="Arial" size="2">hello all</font></div>
<div dir="ltr"><font color="#0000ff" face="Arial" size="2"></font> </div>
<div dir="ltr"><font color="#0000ff" face="Arial" size="2">I am using Drools 4.0.1.</font></div>
<div dir="ltr"><font color="#0000ff" face="Arial" size="2">I have one rule ( name = <font face="Times New Roman" size="3"><strong>valsubmitLoanApplication#0_1193115386921</strong> )</font> in my rule file. When I am running my application on Tomcat Server first time, the validation is happening properly. But when I am running the same application second time(the server is still running), I am getting the following exception :
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<div dir="ltr"><font face="Arial" size="2"></font> </div>
<div dir="ltr">java.lang.IllegalArgumentException: The rule called <strong>valsubmitLoanApplication#0_1193115386921</strong> is not valid. Check for compi<br>le errors reported.<br> at org.drools.common.AbstractRuleBase.addRule
(AbstractRuleBase.java:433)<br> at org.drools.reteoo.ReteooRuleBase.addRule(ReteooRuleBase.java:265)<br> at org.drools.common.AbstractRuleBase.addPackage(AbstractRuleBase.java:337)<br> at com.wipro.evalidator.validation.impl.DroolsValidator.getXMLRuleBase
(DroolsValidator.java:477)<br> at com.wipro.evalidator.validation.impl.DroolsValidator.validateXML(DroolsValidator.java:308)<br> at com.wipro.evalidator.validation.impl.DroolsValidator.validate(DroolsValidator.java
:213)<br> at com.wipro.evalidator.jbossaop.openrules.intercepts.WebTierInterceptor.invoke(WebTierInterceptor.java:57)<br> at com.wipro.evalidator.efaces.service.EmpLoanResponseService$submitLoanApplication_N4694083757408641873.invokeNex
<br>t(EmpLoanResponseService$submitLoanApplication_N4694083757408641873.java)<br> at com.wipro.evalidator.efaces.service.EmpLoanResponseService.submitLoanApplication(EmpLoanResponseService.java)<br> at com.wipro.evalidator.efaces.service.EmpLoanRequestService.service
(EmpLoanRequestService.java:92)<br> at com.wipro.efaces.server.webrender.WebRenderServlet.process(Unknown Source)<br> at com.wipro.efaces.server.webrender.WebRenderServlet.doPost(Unknown Source)<br> at
javax.servlet.http.HttpServlet.service(HttpServlet.java:709)<br> at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)<br> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java
:252)<br> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)<br> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)<br> at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)<br> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)<br> at org.apache.catalina.valves.ErrorReportValve.invoke
(ErrorReportValve.java:105)<br> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)<br> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)<br> at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)<br> at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:6<br>64)<br> at
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)<br> at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)<br> at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run
(ThreadPool.java:684)<br> at java.lang.Thread.run(Thread.java:595)<br>validateXML() *********has created the RuleBase instance **************<br>java.lang.NullPointerException<br> at com.wipro.evalidator.validation.impl.DroolsValidator.validateXML
(DroolsValidator.java:316)<br> at com.wipro.evalidator.validation.impl.DroolsValidator.validate(DroolsValidator.java:213)<br> at com.wipro.evalidator.jbossaop.openrules.intercepts.WebTierInterceptor.invoke(WebTierInterceptor.java
:57)<br> at com.wipro.evalidator.efaces.service.EmpLoanResponseService$submitLoanApplication_N4694083757408641873.invokeNex<br>t(EmpLoanResponseService$submitLoanApplication_N4694083757408641873.java)<br> at
com.wipro.evalidator.efaces.service.EmpLoanResponseService.submitLoanApplication(EmpLoanResponseService.java)<br> at com.wipro.evalidator.efaces.service.EmpLoanRequestService.service(EmpLoanRequestService.java:92)<br>
at com.wipro.efaces.server.webrender.WebRenderServlet.process(Unknown Source)<br> at com.wipro.efaces.server.webrender.WebRenderServlet.doPost(Unknown Source)<br> at javax.servlet.http.HttpServlet.service
(HttpServlet.java:709)<br> at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)<br> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)<br> at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)<br> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)<br> at org.apache.catalina.core.StandardContextValve.invoke
(StandardContextValve.java:178)<br> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)<br> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)<br> at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)<br> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)<br> at org.apache.coyote.http11.Http11Processor.process
(Http11Processor.java:869)<br> at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:6<br>64)<br> at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket
(PoolTcpEndpoint.java:527)<br> at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)<br> at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java
:684)<br> at java.lang.Thread.run(Thread.java:595)</div>
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<div dir="ltr"><font color="#0000ff">And if i shutdown the server and again start the server ,the same process happens.</font></div>
<div dir="ltr"><font color="#0000ff"></font> </div>
<div dir="ltr"><font color="#0000ff">Now please tell me that what can I do to resolve this problem?</font></div>
<div dir="ltr"><font color="#0000ff"></font> </div>
<div dir="ltr"><font color="#0000ff">Thanks.</font></div>
<div dir="ltr"><font color="#000000" face="Arial" size="2"></font> </div></div>
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<div><font face="Arial" size="2"><em><strong>With Regards</strong></em></font></div>
<div><font face="Arial" size="2"><em><strong>Prateek </strong></em></font></div></div></div>
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<br><br clear="all"><br>-- <br> Edson Tirelli<br> Software Engineer - JBoss Rules Core Developer<br> Office: +55 11 3529-6000<br> Mobile: +55 11 9287-5646<br> JBoss, a division of Red Hat @ <a href="http://www.jboss.com">
www.jboss.com</a>