Hi Ratha, This is an intermittent Hazelcast issue. You might have to upgrade Hazelcast version to resolve it. This is discussed here [1] as well.
[1] [Dev] NPE while hazelcast initializing, in the 10th December Storage Server build Thanks, Bhathiya On Fri, Apr 18, 2014 at 3:40 PM, Vijayaratha Vijayasingam <[email protected]>wrote: > Hi; > Im getting following issue in a clustered setup; > TID: [0] [AS] [2014-04-18 15:25:44,074] ERROR > {com.hazelcast.cluster.MergeClustersOperation} - [10.21.203.34]:4000 > [wso2.appserver.domain] null {com.hazelcast.cluster.MergeClustersOperation} > java.lang.NullPointerException > at com.hazelcast.map.MapService.prepareMergeRunnable(MapService.java:197) > at > com.hazelcast.cluster.ClusterServiceImpl$6.run(ClusterServiceImpl.java:574) > at > com.hazelcast.instance.LifecycleServiceImpl.runUnderLifecycleLock(LifecycleServiceImpl.java:95) > at > com.hazelcast.cluster.ClusterServiceImpl.merge(ClusterServiceImpl.java:567) > at > com.hazelcast.cluster.MergeClustersOperation.run(MergeClustersOperation.java:53) > at > com.hazelcast.spi.impl.OperationServiceImpl.doRunOperation(OperationServiceImpl.java:222) > at > com.hazelcast.spi.impl.OperationServiceImpl.runOperation(OperationServiceImpl.java:137) > at > com.hazelcast.cluster.AbstractJoiner.startClusterMerge(AbstractJoiner.java:244) > at > com.hazelcast.cluster.TcpIpJoiner.searchForOtherClusters(TcpIpJoiner.java:444) > at > com.hazelcast.cluster.SplitBrainHandler.searchForOtherClusters(SplitBrainHandler.java:46) > at com.hazelcast.cluster.SplitBrainHandler.run(SplitBrainHandler.java:36) > at > com.hazelcast.util.executor.ManagedExecutorService$Worker.run(ManagedExecutorService.java:148) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) > at java.lang.Thread.run(Thread.java:744) > at > com.hazelcast.util.executor.PoolExecutorThreadFactory$ManagedThread.run(PoolExecutorThreadFactory.java:59) > TID: [0] [AS] [2014-04-18 15:26:14,074] ERROR > {com.hazelcast.cluster.MergeClustersOperation} - [10.21.203.34]:4000 > [wso2.appserver.domain] null {com.hazelcast.cluster.MergeClustersOperation} > java.lang.NullPointerException > at com.hazelcast.map.MapService.prepareMergeRunnable(MapService.java:197) > at > com.hazelcast.cluster.ClusterServiceImpl$6.run(ClusterServiceImpl.java:574) > at > com.hazelcast.instance.LifecycleServiceImpl.runUnderLifecycleLock(LifecycleServiceImpl.java:95) > at > com.hazelcast.cluster.ClusterServiceImpl.merge(ClusterServiceImpl.java:567) > at > com.hazelcast.cluster.MergeClustersOperation.run(MergeClustersOperation.java:53) > at > com.hazelcast.spi.impl.OperationServiceImpl.doRunOperation(OperationServiceImpl.java:222) > at > com.hazelcast.spi.impl.OperationServiceImpl.runOperation(OperationServiceImpl.java:137) > at > com.hazelcast.cluster.AbstractJoiner.startClusterMerge(AbstractJoiner.java:244) > at > com.hazelcast.cluster.TcpIpJoiner.searchForOtherClusters(TcpIpJoiner.java:444) > at > com.hazelcast.cluster.SplitBrainHandler.searchForOtherClusters(SplitBrainHandler.java:46) > at com.hazelcast.cluster.SplitBrainHandler.run(SplitBrainHandler.java:36) > at > com.hazelcast.util.executor.ManagedExecutorService$Worker.run(ManagedExecutorService.java:148) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) > at java.lang.Thread.run(Thread.java:744) > at > com.hazelcast.util.executor.PoolExecutorThreadFactory$ManagedThread.run(PoolExecutorThreadFactory.java:59) > > TID: [0] [AS] [2014-04-18 15:35:44,385] ERROR > {com.hazelcast.cluster.MergeCluste > rsOperation} - [10.21.203.34]:4000 [wso2.appserver.domain] null > {com.hazelcast. > cluster.MergeClustersOperation} > java.lang.NullPointerException > at > com.hazelcast.map.MapService.prepareMergeRunnable(MapService.java:197 > ) > at > com.hazelcast.cluster.ClusterServiceImpl$6.run(ClusterServiceImpl.jav > a:574) > at > com.hazelcast.instance.LifecycleServiceImpl.runUnderLifecycleLock(Lif > ecycleServiceImpl.java:95) > at > com.hazelcast.cluster.ClusterServiceImpl.merge(ClusterServiceImpl.jav > a:567) > at > com.hazelcast.cluster.MergeClustersOperation.run(MergeClustersOperati > on.java:53) > at > com.hazelcast.spi.impl.OperationServiceImpl.doRunOperation(OperationS > erviceImpl.java:222) > at > com.hazelcast.spi.impl.OperationServiceImpl.runOperation(OperationSer > viceImpl.java:137) > at > com.hazelcast.cluster.AbstractJoiner.startClusterMerge(AbstractJoiner > .java:244) > at > com.hazelcast.cluster.TcpIpJoiner.searchForOtherClusters(TcpIpJoiner. > java:444) > at > com.hazelcast.cluster.SplitBrainHandler.searchForOtherClusters(SplitB > > -- > -Ratha > mobile: (+94)755906608 > > _______________________________________________ > Dev mailing list > [email protected] > http://wso2.org/cgi-bin/mailman/listinfo/dev > > -- *Bhathiya Jayasekara* *Software Engineer,* *WSO2 inc., http://wso2.com <http://wso2.com>* *Phone: +94715478185* *LinkedIn: http://www.linkedin.com/in/bhathiyaj <http://www.linkedin.com/in/bhathiyaj>* *Twitter: https://twitter.com/bhathiyax <https://twitter.com/bhathiyax>* *Blog: http://movingaheadblog.blogspot.com <http://movingaheadblog.blogspot.com/>*
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