Hi Gayan, Is HA enabled in event-processor.xml? Also is pageVisitsReceiver receiver deployed in both servers? On Wed, Jun 14, 2017 at 4:34 PM Gayan Yalpathwala <[email protected]> wrote:
> Hi team, > > I have configured a DAS 3.1.0 minimum HA setup as per > https://docs.wso2.com/display/CLUSTER44x/Minimum+High+Availability+Deployment+-+DAS+3.1.0 > . > Please note that all analytics datasources are pointed to an HBase > cluster. I am publishing a large number of events to both the nodes > (client-side load balanced) from an ESB proxy service using PublishEvent > mediator. Here, I observed on DAS end, exactly half of the events are not > getting persisted and below error is thrown multiple times on DAS master > node. > > TID: [-1234] [] [2017-06-14 09:32:49,673] ERROR > {org.wso2.carbon.event.processor.manager.core.internal.EventHandler} - > Unable to process events for tenant :-1234 on > stream:/Receiver/PageVisitsReceiver > {org.wso2.carbon.event.processor.manager.core.internal.EventHandler} > java.lang.NullPointerException > at > org.wso2.carbon.event.receiver.core.internal.management.QueueInputEventDispatcher.process(QueueInputEventDispatcher.java:102) > at > org.wso2.carbon.event.processor.manager.core.internal.EventHandler$1.receive(EventHandler.java:161) > at > org.wso2.carbon.event.processor.manager.commons.transport.server.TCPEventServer$ServerWorker$ListenerProcessor.run(TCPEventServer.java:234) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) > at java.lang.Thread.run(Thread.java:748) > > Any thoughts on this behavior? > > Thanks, > > -- > *Gayan Kaushalya Yalpathwala* > Senior Software Engineer > WSO2 Inc.; http://wso2.com > lean.enterprise.middleware > > LK: +94 71 868 2704 > US: +1 650 695 2324 > > <http://asia14.wso2con.com/> > -- Gimantha Bandara Software Engineer WSO2. Inc : http://wso2.com Mobile : +94714961919
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