pushpak1981 [https://community.jboss.org/people/pushpak1981] created the discussion "jBPM 5.2 issue Jboss7.1Beta" To view the discussion, visit: https://community.jboss.org/message/646636#646636 -------------------------------------------------------------- Hi We have setup jBPM5.2 on JBoss7.1Beta when we try to execute sample business process we get the following error. Caused by: java.lang.IllegalAccessException: Class org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer can not access a member of class org.jboss.stdio.StdioContext$DelegatingPrintStream with modifiers "public"     at sun.reflect.Reflection.ensureMemberAccess(Reflection.java:65)     at java.lang.reflect.Method.invoke(Method.java:588)     at org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.getMethod(ReflectiveAccessorOptimizer.java:1093)     at org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.getMethod(ReflectiveAccessorOptimizer.java:982)     at org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.compileGetChain(ReflectiveAccessorOptimizer.java:375)     ... 114 more Below is the sample bpmn we are trying to deploy: <?xml version="1.0" encoding="UTF-8"?> <definitions id="Definition"              targetNamespace="http://www.jboss.org/drools"              typeLanguage="http://www.java.com/javaTypes"              expressionLanguage="http://www.mvel.org/2.0"              xmlns="http://www.omg.org/spec/BPMN/20100524/MODEL"              xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"              xsi:schemaLocation="http://www.omg.org/spec/BPMN/20100524/MODEL BPMN20.xsd"              xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI"              xmlns:dc="http://www.omg.org/spec/DD/20100524/DC"              xmlns:di="http://www.omg.org/spec/DD/20100524/DI"              xmlns:tns="http://www.jboss.org/drools">   <process processType="Private" isExecutable="true" id="com.sample.bpmn.hello" name="Hello World" >     <!-- nodes -->     <scriptTask id="_2" name="Hello" >       <script>System.out.println("Hello World");</script>     </scriptTask>     <startEvent id="_1" name="StartProcess" />     <endEvent id="_3" name="EndProcess" >         <terminateEventDefinition/>     </endEvent>     <!-- connections -->     <sequenceFlow id="_1-_2" sourceRef="_1" targetRef="_2" />     <sequenceFlow id="_2-_3" sourceRef="_2" targetRef="_3" />   </process>   <bpmndi:BPMNDiagram>     <bpmndi:BPMNPlane bpmnElement="com.sample.bpmn.hello" >       <bpmndi:BPMNShape bpmnElement="_2" >         <dc:Bounds x="96" y="16" width="80" height="48" />       </bpmndi:BPMNShape>       <bpmndi:BPMNShape bpmnElement="_1" >         <dc:Bounds x="16" y="16" width="48" height="48" />       </bpmndi:BPMNShape>       <bpmndi:BPMNShape bpmnElement="_3" >         <dc:Bounds x="206" y="17" width="48" height="48" />       </bpmndi:BPMNShape>       <bpmndi:BPMNEdge bpmnElement="_1-_2" >         <di:waypoint x="40" y="40" />         <di:waypoint x="136" y="40" />       </bpmndi:BPMNEdge>       <bpmndi:BPMNEdge bpmnElement="_2-_3" >         <di:waypoint x="136" y="40" />         <di:waypoint x="230" y="41" />       </bpmndi:BPMNEdge>     </bpmndi:BPMNPlane>   </bpmndi:BPMNDiagram> </definitions> Are we missing any configuration for JBoss7 ? -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/646636#646636] Start a new discussion in jBPM at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&...]