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Date: Thu, 3 Sep 2015 12:13:46 +0000 (UTC)
From: "sandeep samudrala (JIRA)" <jira@apache.org>
To: dev@falcon.incubator.apache.org
Message-ID: <JIRA.12857152.1439973903000.246020.1441282426395@Atlassian.JIRA>
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 <JIRA.12857152.1439973903501@arcas>
Subject: [jira] [Updated] (FALCON-1410) Entity submit fails when multiple
 threads try submitting same definition
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     [ https://issues.apache.org/jira/browse/FALCON-1410?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

sandeep samudrala updated FALCON-1410:
--------------------------------------
    Attachment: FALCON-1410-v1.patch

Minor. Missed on adding already obtained locks.

> Entity submit fails when multiple threads try submitting same definition
> ------------------------------------------------------------------------
>
>                 Key: FALCON-1410
>                 URL: https://issues.apache.org/jira/browse/FALCON-1410
>             Project: Falcon
>          Issue Type: Bug
>          Components: prism
>    Affects Versions: 0.7
>            Reporter: Pragya Mittal
>            Assignee: sandeep samudrala
>         Attachments: FALCON-1410-v1.patch, FALCON-1410.patch
>
>
> As part of submit feature we can submit entity any number of times and it will succeed, given the condition entity definition remains same. But when multiple threads try submitting common entity definition, it results in entity submission failure. Following is the stack trace.
> {code}
> 2015-08-19 05:26:38,201 ERROR - [357703038@qtp-212921632-197 - 4d3d611e-352c-40f2-94db-95ae53657e9b:pragya:POST//entities/submit/cluster] ~ Unable to persist entity object (AbstractEntityManager:199)
> org.apache.falcon.entity.store.EntityAlreadyExistsException: (cluster) A99ac20e9-bb8bc0fa already registered with configuration store. Can't be submitted again. Try removing before submitting.
>         at org.apache.falcon.entity.store.ConfigurationStore.publish(ConfigurationStore.java:222)
>         at org.apache.falcon.resource.AbstractEntityManager.submitInternal(AbstractEntityManager.java:413)
>         at org.apache.falcon.resource.AbstractEntityManager.submit(AbstractEntityManager.java:196)
>         at org.apache.falcon.resource.proxy.SchedulableEntityManagerProxy.submit_aroundBody0(SchedulableEntityManagerProxy.java:144)
>         at org.apache.falcon.resource.proxy.SchedulableEntityManagerProxy$AjcClosure1.run(SchedulableEntityManagerProxy.java:1)
>         at org.aspectj.runtime.reflect.JoinPointImpl.proceed(JoinPointImpl.java:149)
>         at org.apache.falcon.aspect.AbstractFalconAspect.logAroundMonitored(AbstractFalconAspect.java:51)
>         at org.apache.falcon.resource.proxy.SchedulableEntityManagerProxy.submit(SchedulableEntityManagerProxy.java:119)
>         at sun.reflect.GeneratedMethodAccessor32.invoke(Unknown Source)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:497)
>         at com.sun.jersey.spi.container.JavaMethodInvokerFactory$1.invoke(JavaMethodInvokerFactory.java:60)
>         at com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$TypeOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:185)
>         at com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:75)
> {code}


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