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https://issues.apache.org/jira/browse/FALCON-460?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Venkatesh Seetharam updated FALCON-460:
---------------------------------------
Affects Version/s: 0.4
0.5
> Concurrent deletion of same entity results in NPE
> -------------------------------------------------
>
> Key: FALCON-460
> URL: https://issues.apache.org/jira/browse/FALCON-460
> Project: Falcon
> Issue Type: Bug
> Affects Versions: 0.4, 0.5
> Reporter: Sowmya Ramesh
> Assignee: Sowmya Ramesh
> Labels: Falcon
> Fix For: 0.6
>
> Attachments: FALCON-460.patch, FALCON-460.v2.patch
>
>
> {code}
> 325] ~ Unable to reach workflow engine for deletion or deletion failed
> (AbstractEntityManager:213)
> java.lang.NullPointerException
> at
> org.apache.falcon.entity.v0.EntityGraph.onRemove(EntityGraph.java:101)
> at
> org.apache.falcon.entity.store.ConfigurationStore.onRemove(ConfigurationStore.java:296)
> at
> org.apache.falcon.entity.store.ConfigurationStore.remove(ConfigurationStore.java:283)
> at
> org.apache.falcon.resource.AbstractEntityManager.delete(AbstractEntityManager.java:204)
> at
> org.apache.falcon.resource.ConfigSyncService.delete(ConfigSyncService.java:56)
> at sun.reflect.GeneratedMethodAccessor46.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at
> org.apache.falcon.resource.channel.IPCChannel.invoke(IPCChannel.java:48)
> at
> org.apache.falcon.resource.proxy.SchedulableEntityManagerProxy$2.doExecute(SchedulableEntityManagerProxy.java:176)
> at
> org.apache.falcon.resource.proxy.SchedulableEntityManagerProxy$EntityProxy.execute(SchedulableEntityManagerProxy.java:410)
> at
> org.apache.falcon.resource.proxy.SchedulableEntityManagerProxy$2.execute(SchedulableEntityManagerProxy.java:166)
> at
> org.apache.falcon.resource.proxy.SchedulableEntityManagerProxy.delete_aroundBody2(SchedulableEntityManagerProxy.java:178)
> at
> org.apache.falcon.resource.proxy.SchedulableEntityManagerProxy$AjcClosure3.run(SchedulableEntityManagerProxy.java:1)
> at
> org.aspectj.runtime.reflect.JoinPointImpl.proceed(JoinPointImpl.java:149)
> at
> org.apache.falcon.aspect.AbstractFalconAspect.logAround(AbstractFalconAspect.java:50)
> at
> org.apache.falcon.resource.proxy.SchedulableEntityManagerProxy.delete(SchedulableEntityManagerProxy.java:153)
> at sun.reflect.GeneratedMethodAccessor28.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> 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)
> at
> com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:288)
> at
> com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)
> at
> com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:108)
> at
> com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)
> at
> com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:84)
> at
> com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1469)
> at
> com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1400)
> at
> com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1349)
> at
> com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1339)
> at
> com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:416)
> at
> com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:537)
> at
> com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:699)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
> at
> org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
> at
> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1221)
> at
> org.apache.falcon.security.BasicAuthFilter$2.doFilter(BasicAuthFilter.java:183)
> at
> org.apache.hadoop.security.authentication.server.AuthenticationFilter.doFilter(AuthenticationFilter.java:392)
> at
> org.apache.falcon.security.BasicAuthFilter.doFilter(BasicAuthFilter.java:221)
> at
> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
> at
> org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:399)
> at
> org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
> at
> org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
> at
> org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)
> at
> org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450)
> at
> org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
> at org.mortbay.jetty.Server.handle(Server.java:326)
> at
> org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
> at
> org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:928)
> at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:549)
> at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
> at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
> at
> org.mortbay.jetty.bio.SocketConnector$Connection.run(SocketConnector.java:228)
> at
> org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
> {code}
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