Manjunath S Paramesan created DROOLS-2210: --------------------------------------------- Summary: Drools 7.3.0 serialization null pointer exceptions with sliding windows Key: DROOLS-2210 URL: https://issues.jboss.org/browse/DROOLS-2210 Project: Drools Issue Type: Bug Components: core engine Affects Versions: 7.3.0.Final Reporter: Manjunath S Paramesan Assignee: Mario Fusco Priority: Critical We have a fairly large rule-base with temporal reasoning and sliding windows. While serializing the drools session we observe random null pointer exceptions as see below: Exception in thread "pool-92-thread-98" java.lang.NullPointerException at org.drools.core.rule.SlidingTimeWindow$BehaviorJobContextTimerOutputMarshaller.serialize(SlidingTimeWindow.java:323) at org.drools.core.marshalling.impl.ProtobufOutputMarshaller.writeTimers(ProtobufOutputMarshaller.java:880) at org.drools.core.marshalling.impl.ProtobufOutputMarshaller.serializeSession(ProtobufOutputMarshaller.java:210) at org.drools.core.marshalling.impl.ProtobufOutputMarshaller.writeSession(ProtobufOutputMarshaller.java:118) at org.drools.core.marshalling.impl.ProtobufMarshaller.marshall(ProtobufMarshaller.java:162) at org.drools.core.marshalling.impl.ProtobufMarshaller.marshall(ProtobufMarshaller.java:146) at com.mlnms.common.fmwk.drools.impl.DroolsClientImpl.backupKieSession(DroolsClientImpl.java:743) at com.mlnms.common.fmwk.drools.impl.DroolsClientImpl.lambda$processStatefulEvents$0(DroolsClientImpl.java:506) at java.lang.Thread.run(Thread.java:745) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) -- This message was sent by Atlassian JIRA (v7.5.0#75005)