Sowmya Ramesh created FALCON-460:
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Summary: 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
Reporter: Sowmya Ramesh
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)
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