[jboss-jira] [JBoss JIRA] Resolved: (JBRULES-2865) Drools Flow execution with single RuleSet node (besides Start and Stop nodes) results with no ruleset rules execution and java.lang.OutOfMemoryError.

Drools Flow execution with single RuleSet node (besides Start and Stop nodes) results with no ruleset rules execution and java.lang.OutOfMemoryError. ----------------------------------------------------------------------------------------------------------------------------------------------------- Key: JBRULES-2865 URL: https://issues.jboss.org/browse/JBRULES-2865 Project: Drools Issue Type: Bug Security Level: Public(Everyone can see) Components: drools-core (flow) Affects Versions: 5.1.0.FINAL, 5.1.1.FINAL Environment: all Reporter: Marek B Assignee: Kris Verlaenen Attachments: jbrules_2865.zip Trying to invoke drools flow with single RuleSet element only (besides Start/Stop elems) results in java.lang.OutOfMemoryError: GC overhead limit exceeded. Also this bug affects probably all flows, with RuleSet element as first in execution flow. See stacktrace Exception in thread "Worker#xxx.xxxxxx.xxx(3)" java.lang.OutOfMemoryError: GC overhead limit exceeded at java.util.Arrays.copyOf(Arrays.java:2746) at java.util.concurrent.CopyOnWriteArrayList.add(CopyOnWriteArrayList.java:420) at org.drools.process.instance.event.DefaultSignalManager.addEventListener(DefaultSignalManager.java:57) at org.drools.workflow.instance.impl.WorkflowProcessInstanceImpl.addEventListener(WorkflowProcessInstanceImpl.java:377) at org.drools.workflow.instance.node.RuleSetNodeInstance.addRuleSetListener(RuleSetNodeInstance.java:55) at org.drools.workflow.instance.node.RuleSetNodeInstance.internalTrigger(RuleSetNodeInstance.java:41) at org.drools.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:117) at org.drools.workflow.instance.impl.NodeInstanceImpl.triggerConnection(NodeInstanceImpl.java:178) at org.drools.workflow.instance.impl.NodeInstanceImpl.triggerCompleted(NodeInstanceImpl.java:144) at org.drools.workflow.instance.node.StartNodeInstance.triggerCompleted(StartNodeInstance.java:49) at org.drools.workflow.instance.node.StartNodeInstance.internalTrigger(StartNodeInstance.java:41) at org.drools.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:117) at org.drools.ruleflow.instance.RuleFlowProcessInstance.internalStart(RuleFlowProcessInstance.java:32) at org.drools.process.instance.impl.ProcessInstanceImpl.start(ProcessInstanceImpl.java:192) at org.drools.workflow.instance.impl.WorkflowProcessInstanceImpl.start(WorkflowProcessInstanceImpl.java:309) at org.drools.common.AbstractWorkingMemory.startProcess(AbstractWorkingMemory.java:1644) at org.drools.impl.StatefulKnowledgeSessionImpl.startProcess(StatefulKnowledgeSessionImpl.java:306)