Re: [rules-users] NPE after rule consequence executes

yes, the error in a test would stop the build process. Use the skip option I mentioned in my other e-mail. []s Edson 2008/4/9 Scott Reed <sreed(a)avacoda.com <mailto:sreed@avacoda.com>>: I think the compiler jar failed to build perhaps due to the error? Edson Tirelli's message received 4/9/2008 6:14 PM: > > After the build, you can find the jars in: > > drools-core/target > drools-compiler/target > > Their version must always match or you will end up with other > problems. > > []s > Edson > > > > 2008/4/9 Scott Reed <sreed(a)avacoda.com <mailto:sreed@avacoda.com>>: > > I built it but can only find the core jar file, nothing for > the compiler. With just the core jar replaced, I still get > the NPE. > > Edson Tirelli's message received 4/9/2008 2:24 PM: >> >> Nope, only source code. >> Problem is 4.0.x will be released as 4.0.7, and if your >> specific problem is fixed and you are not able to test >> before the release, it will have to wait 4.0.8. <http://4.0.8.> >> >> All you need to build drools is java, maven and ant. Can >> you set this up? >> >> []s >> Edson >> >> >> 2008/4/9 Scott Reed <sreed(a)avacoda.com >> <mailto:sreed@avacoda.com>>: >> >> Glad to hear that. However, I am not set up to do my own >> drools build and it looks like the link you sent is for >> the source. Is there a set of jars for 4.0.x that I can >> test from? Here is what I am using now: >> >> antlr-runtime-3.0.jar >> core-3.2.3.v_686_R32x.jar >> drools-compiler-4.0.4.jar >> drools-core-4.0.4.jar >> mvel14-1.2.21.jar >> xstream-1.2.2.jar >> >> Thanks, >> Scott >> >> Edson Tirelli's message received 4/9/2008 11:46 AM: >>> >>> Scott, >>> >>> I believe this is fixed already. Can you try it out >>> and let us know? >>> >>> http://anonsvn.labs.jboss.com/labs/jbossrules/branches/4.0.x/ >>> >>> []s >>> Edson >>> >>> >>> 2008/4/8 Scott Reed <sreed(a)avacoda.com >>> <mailto:sreed@avacoda.com>>: >>> >>> Sorry, the NPE is in ReteTuple.get(Declaration) >>> >>> Scott Reed's message received 4/8/2008 7:38 PM: >>> >>> Running Drools 4.0.3, on Win 2k sp4, JDK 1.6.0_03. >>> >>> I am getting this exception after the debugger >>> shows execution has gone past the end of the >>> rule. The exception is occurring in >>> ReteTuple.get(Descriptor). I believe the >>> descriptor argument is null. Can anyone suggest >>> why this might be happening and what I can do >>> to avoid it? >>> Thanks, >>> Scott >>> >>> java.lang.NullPointerException >>> at >>> org.drools.reteoo.ReteTuple.get(ReteTuple.java:97) >>> at >>> org.fp.findata.Rule_2MS__Calculate_now_scheduled_or_periodic_transaction_0ConsequenceInvoker.evaluate(Rule_2MS__Calculate_now_scheduled_or_periodic_transaction_0ConsequenceInvoker.java:19) >>> >>> at >>> org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:550) >>> at >>> org.drools.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:514) >>> at >>> org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:471) >>> >>> at >>> org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:433) >>> >>> at >>> org.fp.rules.RuleEngineManager$RunTask.run(RuleEngineManager.java:225) >>> org.drools.spi.ConsequenceException: >>> java.lang.NullPointerException >>> at >>> org.drools.base.DefaultConsequenceExceptionHandler.handleException(DefaultConsequenceExceptionHandler.java:14) >>> >>> at >>> org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:554) >>> at >>> org.drools.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:514) >>> at >>> org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:471) >>> >>> at >>> org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:433) >>> >>> at >>> org.fp.rules.RuleEngineManager$RunTask.run(RuleEngineManager.java:225) >>> Caused by: java.lang.NullPointerException >>> at >>> org.drools.reteoo.ReteTuple.get(ReteTuple.java:97) >>> at >>> org.fp.findata.Rule_2MS__Calculate_now_scheduled_or_periodic_transaction_0ConsequenceInvoker.evaluate(Rule_2MS__Calculate_now_scheduled_or_periodic_transaction_0ConsequenceInvoker.java:19) >>> >>> at >>> org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:550) >>> ... 4 more >>> <snip>