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Posted to dev@falcon.apache.org by "Balu Vellanki (JIRA)" <ji...@apache.org> on 2015/09/02 19:08:45 UTC
[jira] [Commented] (FALCON-1410) Entity submit fails when multiple
threads try submitting same definition
[ https://issues.apache.org/jira/browse/FALCON-1410?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14727645#comment-14727645 ]
Balu Vellanki commented on FALCON-1410:
---------------------------------------
+1 on the patch.
> 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.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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