java.lang.NullPointerException at org.drools.rule.builder.dialect.java.JavaConsequenceBuilder.build(JavaConsequenceBuilder.java:54) ----------------------------------------------------------------------------------------------------------------------------------- Key: JBRULES-1310 URL: http://jira.jboss.com/jira/browse/JBRULES-1310 Project: JBoss Drools Issue Type: Bug Security Level: Public (Everyone can see) Components: Drl Parser/Builder Affects Versions: 4.0.3 Environment: OS: Windows hardware : Pentium Duo Core2, Server: JBOSS4.X Drools: 4.0.3 Reporter: Shiva Shankar Reddy when i am using drools 3.x jars then rules are getting fired in a proper manner and working perfectly. I have tried to migrate from 3.x to 4.0.3 then i am getting the following error. I have tried changing jars and so on.... 2007-10-31 16:20:48,120 ERROR [STDERR] java.lang.NullPointerException 2007-10-31 16:20:48,120 ERROR [STDERR] at org.drools.rule.builder.dialect.java.JavaConsequenceBuilder.build(JavaConsequenceBuilder.java:54) 2007-10-31 16:20:48,120 ERROR [STDERR] at org.drools.rule.builder.RuleBuilder.build(RuleBuilder.java:67) 2007-10-31 16:20:48,120 ERROR [STDERR] at org.drools.compiler.PackageBuilder.addRule(PackageBuilder.java:446) 2007-10-31 16:20:48,120 ERROR [STDERR] at org.drools.compiler.PackageBuilder.addPackage(PackageBuilder.java:304) 2007-10-31 16:20:48,120 ERROR [STDERR] at com.ess.framework.service.remote.rules.RulesEngineInvoker.readRule(RulesEngineInvoker.java :103) 2007-10-31 16:20:48,120 ERROR [STDERR] at com.ess.framework.service.RuleService.doProcess(RuleService.java:318) 2007-10-31 16:20:48,120 ERROR [STDERR] at com.ess.framework.service.FetchFSSData.invokeRuleService (FetchFSSData.java:140) 2007-10-31 16:20:48,120 ERROR [STDERR] at com.ess.framework.service.FetchFSSData.triggerData(FetchFSSData.java:68) 2007-10-31 16:20:48,120 ERROR [STDERR] at com.ess.framework.service.FetchFSSData$1.run (FetchFSSData.java:84) 2007-10-31 16:20:48,120 ERROR [STDERR] at java.util.TimerThread.mainLoop(Timer.java:512) 2007-10-31 16:20:48,120 ERROR [STDERR] at java.util.TimerThread.run(Timer.java:462) -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://jira.jboss.com/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira