From common-issues-return-154570-archive-asf-public=cust-asf.ponee.io@hadoop.apache.org Mon Jul 9 22:30:04 2018 Return-Path: X-Original-To: archive-asf-public@cust-asf.ponee.io Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by mx-eu-01.ponee.io (Postfix) with SMTP id D93E518062A for ; Mon, 9 Jul 2018 22:30:03 +0200 (CEST) Received: (qmail 94247 invoked by uid 500); 9 Jul 2018 20:30:02 -0000 Mailing-List: contact common-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Delivered-To: mailing list common-issues@hadoop.apache.org Received: (qmail 94236 invoked by uid 99); 9 Jul 2018 20:30:02 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd4-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 09 Jul 2018 20:30:02 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd4-us-west.apache.org (ASF Mail Server at spamd4-us-west.apache.org) with ESMTP id 5DEB9C0110 for ; Mon, 9 Jul 2018 20:30:02 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd4-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -110.301 X-Spam-Level: X-Spam-Status: No, score=-110.301 tagged_above=-999 required=6.31 tests=[ENV_AND_HDR_SPF_MATCH=-0.5, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, USER_IN_DEF_SPF_WL=-7.5, USER_IN_WHITELIST=-100] autolearn=disabled Received: from mx1-lw-us.apache.org ([10.40.0.8]) by localhost (spamd4-us-west.apache.org [10.40.0.11]) (amavisd-new, port 10024) with ESMTP id REQLUYYDZiqK for ; Mon, 9 Jul 2018 20:30:01 +0000 (UTC) Received: from mailrelay1-us-west.apache.org (mailrelay1-us-west.apache.org [209.188.14.139]) by mx1-lw-us.apache.org (ASF Mail Server at mx1-lw-us.apache.org) with ESMTP id 06AC05F2AD for ; Mon, 9 Jul 2018 20:30:01 +0000 (UTC) Received: from jira-lw-us.apache.org (unknown [207.244.88.139]) by mailrelay1-us-west.apache.org (ASF Mail Server at mailrelay1-us-west.apache.org) with ESMTP id 7FED3E015C for ; Mon, 9 Jul 2018 20:30:00 +0000 (UTC) Received: from jira-lw-us.apache.org (localhost [127.0.0.1]) by jira-lw-us.apache.org (ASF Mail Server at jira-lw-us.apache.org) with ESMTP id 39BD721EE8 for ; Mon, 9 Jul 2018 20:30:00 +0000 (UTC) Date: Mon, 9 Jul 2018 20:30:00 +0000 (UTC) From: "Jason Lowe (JIRA)" To: common-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (HADOOP-15121) Encounter NullPointerException when using DecayRpcScheduler MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/HADOOP-15121?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Jason Lowe updated HADOOP-15121: -------------------------------- Fix Version/s: 3.1.0 3.0.1 2.8.5 2.9.2 2.10.0 Thanks, [~Tao Jie]! I recently ran across this in 2.8 and saw it still wasn't fixed in branch-2.8, so I committed this to branch-2, branch-2.9, and branch-2.8. I also saw the Fix Version field in the JIRA wasn't set when this was committed, so I updated that as well to reflect the 3.x versions. > Encounter NullPointerException when using DecayRpcScheduler > ----------------------------------------------------------- > > Key: HADOOP-15121 > URL: https://issues.apache.org/jira/browse/HADOOP-15121 > Project: Hadoop Common > Issue Type: Bug > Affects Versions: 2.8.2 > Reporter: Tao Jie > Assignee: Tao Jie > Priority: Major > Fix For: 3.1.0, 2.10.0, 3.0.1, 2.9.2, 2.8.5 > > Attachments: HADOOP-15121.001.patch, HADOOP-15121.002.patch, HADOOP-15121.003.patch, HADOOP-15121.004.patch, HADOOP-15121.005.patch, HADOOP-15121.006.patch, HADOOP-15121.007.patch, HADOOP-15121.008.patch > > > I set ipc.8020.scheduler.impl to org.apache.hadoop.ipc.DecayRpcScheduler, but got excetion in namenode: > {code} > 2017-12-15 15:26:34,662 ERROR impl.MetricsSourceAdapter (MetricsSourceAdapter.java:getMetrics(202)) - Error getting metrics from source DecayRpcSchedulerMetrics2.ipc.8020 > java.lang.NullPointerException > at org.apache.hadoop.ipc.DecayRpcScheduler$MetricsProxy.getMetrics(DecayRpcScheduler.java:781) > at org.apache.hadoop.metrics2.impl.MetricsSourceAdapter.getMetrics(MetricsSourceAdapter.java:199) > at org.apache.hadoop.metrics2.impl.MetricsSourceAdapter.updateJmxCache(MetricsSourceAdapter.java:182) > at org.apache.hadoop.metrics2.impl.MetricsSourceAdapter.getMBeanInfo(MetricsSourceAdapter.java:155) > at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getNewMBeanClassName(DefaultMBeanServerInterceptor.java:333) > at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean(DefaultMBeanServerInterceptor.java:319) > at com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean(JmxMBeanServer.java:522) > at org.apache.hadoop.metrics2.util.MBeans.register(MBeans.java:66) > at org.apache.hadoop.metrics2.impl.MetricsSourceAdapter.startMBeans(MetricsSourceAdapter.java:222) > at org.apache.hadoop.metrics2.impl.MetricsSourceAdapter.start(MetricsSourceAdapter.java:100) > at org.apache.hadoop.metrics2.impl.MetricsSystemImpl.registerSource(MetricsSystemImpl.java:268) > at org.apache.hadoop.metrics2.impl.MetricsSystemImpl.register(MetricsSystemImpl.java:233) > at org.apache.hadoop.ipc.DecayRpcScheduler$MetricsProxy.registerMetrics2Source(DecayRpcScheduler.java:709) > at org.apache.hadoop.ipc.DecayRpcScheduler$MetricsProxy.(DecayRpcScheduler.java:685) > at org.apache.hadoop.ipc.DecayRpcScheduler$MetricsProxy.getInstance(DecayRpcScheduler.java:693) > at org.apache.hadoop.ipc.DecayRpcScheduler.(DecayRpcScheduler.java:236) > at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) > at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) > at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) > at java.lang.reflect.Constructor.newInstance(Constructor.java:423) > at org.apache.hadoop.ipc.CallQueueManager.createScheduler(CallQueueManager.java:102) > at org.apache.hadoop.ipc.CallQueueManager.(CallQueueManager.java:76) > at org.apache.hadoop.ipc.Server.(Server.java:2612) > at org.apache.hadoop.ipc.RPC$Server.(RPC.java:958) > at org.apache.hadoop.ipc.ProtobufRpcEngine$Server.(ProtobufRpcEngine.java:374) > at org.apache.hadoop.ipc.ProtobufRpcEngine.getServer(ProtobufRpcEngine.java:349) > at org.apache.hadoop.ipc.RPC$Builder.build(RPC.java:800) > at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.(NameNodeRpcServer.java:415) > at org.apache.hadoop.hdfs.server.namenode.NameNode.createRpcServer(NameNode.java:755) > at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:697) > at org.apache.hadoop.hdfs.server.namenode.NameNode.(NameNode.java:905) > at org.apache.hadoop.hdfs.server.namenode.NameNode.(NameNode.java:884) > at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1610) > at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1678) > {code} > It seems that {{metricsProxy}} in DecayRpcScheduler should initiate its {{delegate}} field in its Initialization method -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: common-issues-unsubscribe@hadoop.apache.org For additional commands, e-mail: common-issues-help@hadoop.apache.org