[jboss-user] [jBPM] - Re: JBPM5 gateway constraint access to own Object attributes

ous2k [https://community.jboss.org/people/ous2k] created the discussion "Re: JBPM5 gateway constraint access to own Object attributes" To view the discussion, visit: https://community.jboss.org/message/722810#722810 -------------------------------------------------------------- *Thx https://community.jboss.org/people/swiderski.maciej Maciej Swiderski i have tried that but there is some thing else wrong ,* *to in same wave i have added the process varibale myLoan as an object and className com.sample.Loan from using properties palette on eclipse* ava.lang.RuntimeException: Exception when trying to evaluate constraint VIP in split Gateway           at org.jbpm.workflow.instance.node.SplitInstance.internalTrigger(SplitInstance.java:79)           at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:122)           at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerConnection(NodeInstanceImpl.java:185)           at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerCompleted(NodeInstanceImpl.java:150)           at org.jbpm.workflow.instance.node.StartNodeInstance.triggerCompleted(StartNodeInstance.java:49)           at org.jbpm.workflow.instance.node.StartNodeInstance.internalTrigger(StartNodeInstance.java:41)           at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:122)           at org.jbpm.ruleflow.instance.RuleFlowProcessInstance.internalStart(RuleFlowProcessInstance.java:35)           at org.jbpm.process.instance.impl.ProcessInstanceImpl.start(ProcessInstanceImpl.java:188)           at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.start(WorkflowProcessInstanceImpl.java:303)           at org.jbpm.process.instance.ProcessRuntimeImpl.startProcessInstance(ProcessRuntimeImpl.java:168)           at org.jbpm.process.instance.ProcessRuntimeImpl.startProcess(ProcessRuntimeImpl.java:138)           at org.drools.common.AbstractWorkingMemory.startProcess(AbstractWorkingMemory.java:1079)           at org.drools.impl.StatefulKnowledgeSessionImpl.startProcess(StatefulKnowledgeSessionImpl.java:306)           at com.sample.CustomerSelection.main(CustomerSelection.java:32) Caused by: java.lang.RuntimeException: unable to execute ReturnValueEvaluator           at org.jbpm.process.instance.impl.ReturnValueConstraintEvaluator.evaluate(ReturnValueConstraintEvaluator.java:130)           at org.jbpm.workflow.instance.node.SplitInstance.internalTrigger(SplitInstance.java:72)           ... 14 more Caused by: [Error: null pointer: loan.isDeliveryStatus()] [Near : {... return loan.isDeliveryStatus() ....}]              ^ [Line: 1, Column: 1]           at org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.compileGetChain(ReflectiveAccessorOptimizer.java:434)           at org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.optimizeAccessor(ReflectiveAccessorOptimizer.java:141)           at org.mvel2.ast.ASTNode.optimize(ASTNode.java:157)           at org.mvel2.ast.ASTNode.getReducedValueAccelerated(ASTNode.java:113)           at org.mvel2.compiler.ExecutableAccessor.getValue(ExecutableAccessor.java:38)           at org.mvel2.ast.ReturnNode.getReducedValueAccelerated(ReturnNode.java:50)           at org.mvel2.MVELRuntime.execute(MVELRuntime.java:87)           at org.mvel2.compiler.CompiledExpression.getValue(CompiledExpression.java:122)           at org.mvel2.compiler.CompiledExpression.getValue(CompiledExpression.java:115)           at org.mvel2.MVEL.executeExpression(MVEL.java:930)           at org.jbpm.process.instance.impl.MVELReturnValueEvaluator.evaluate(MVELReturnValueEvaluator.java:100)           at org.jbpm.process.instance.impl.ReturnValueConstraintEvaluator.evaluate(ReturnValueConstraintEvaluator.java:128)           ... 15 more Caused by: java.lang.NullPointerException           at org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.compileGetChain(ReflectiveAccessorOptimizer.java:395)           ... 26 more Best Regards -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/722810#722810] Start a new discussion in jBPM at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&...]