From hdfs-issues-return-286819-archive-asf-public=cust-asf.ponee.io@hadoop.apache.org Fri Oct 4 18:42:06 2019 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 [207.244.88.153]) by mx-eu-01.ponee.io (Postfix) with SMTP id 47495180651 for ; Fri, 4 Oct 2019 20:42:06 +0200 (CEST) Received: (qmail 4046 invoked by uid 500); 4 Oct 2019 18:42:04 -0000 Mailing-List: contact hdfs-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Delivered-To: mailing list hdfs-issues@hadoop.apache.org Received: (qmail 3965 invoked by uid 99); 4 Oct 2019 18:42:04 -0000 Received: from mailrelay1-us-west.apache.org (HELO mailrelay1-us-west.apache.org) (209.188.14.139) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 04 Oct 2019 18:42:04 +0000 Received: from jira-he-de.apache.org (static.172.67.40.188.clients.your-server.de [188.40.67.172]) by mailrelay1-us-west.apache.org (ASF Mail Server at mailrelay1-us-west.apache.org) with ESMTP id F088BE30CB for ; Fri, 4 Oct 2019 18:42:03 +0000 (UTC) Received: from jira-he-de.apache.org (localhost.localdomain [127.0.0.1]) by jira-he-de.apache.org (ASF Mail Server at jira-he-de.apache.org) with ESMTP id 01ADF78222E for ; Fri, 4 Oct 2019 18:42:01 +0000 (UTC) Date: Fri, 4 Oct 2019 18:42:01 +0000 (UTC) From: "Erik Krogen (Jira)" To: hdfs-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HDFS-14245) Class cast error in GetGroups with ObserverReadProxyProvider MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/HDFS-14245?page=3Dcom.atlassian= .jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=3D1694= 4751#comment-16944751 ]=20 Erik Krogen commented on HDFS-14245: ------------------------------------ Backported to 3.2 and 3.1, but this depends on HDFS-14162, so I'll wait to = put together a branch-2 patch until that backport is committed. > Class cast error in GetGroups with ObserverReadProxyProvider > ------------------------------------------------------------ > > Key: HDFS-14245 > URL: https://issues.apache.org/jira/browse/HDFS-14245 > Project: Hadoop HDFS > Issue Type: Bug > Affects Versions: HDFS-12943 > Reporter: Shen Yinjie > Assignee: Erik Krogen > Priority: Major > Fix For: 3.3.0, 3.1.4, 3.2.2 > > Attachments: HDFS-14245.000.patch, HDFS-14245.001.patch, HDFS-142= 45.002.patch, HDFS-14245.003.patch, HDFS-14245.004.patch, HDFS-14245.005.pa= tch, HDFS-14245.006.patch, HDFS-14245.007.patch, HDFS-14245.patch > > > Run "hdfs groups" with=C2=A0ObserverReadProxyProvider, Exception throws a= s : > {code:java} > Exception in thread "main" java.io.IOException: Couldn't create proxy pro= vider class org.apache.hadoop.hdfs.server.namenode.ha.ObserverReadProxyProv= ider > at org.apache.hadoop.hdfs.NameNodeProxiesClient.createFailoverProxyProvi= der(NameNodeProxiesClient.java:261) > at org.apache.hadoop.hdfs.NameNodeProxies.createProxy(NameNodeProxies.ja= va:119) > at org.apache.hadoop.hdfs.NameNodeProxies.createProxy(NameNodeProxies.ja= va:95) > at org.apache.hadoop.hdfs.tools.GetGroups.getUgmProtocol(GetGroups.java:= 87) > at org.apache.hadoop.tools.GetGroupsBase.run(GetGroupsBase.java:71) > at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76) > at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:90) > at org.apache.hadoop.hdfs.tools.GetGroups.main(GetGroups.java:96) > Caused by: java.lang.reflect.InvocationTargetException > at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) > at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstruct= orAccessorImpl.java:62) > at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingC= onstructorAccessorImpl.java:45) > at java.lang.reflect.Constructor.newInstance(Constructor.java:423) > at org.apache.hadoop.hdfs.NameNodeProxiesClient.createFailoverProxyProvi= der(NameNodeProxiesClient.java:245) > ... 7 more > Caused by: java.lang.ClassCastException: org.apache.hadoop.hdfs.server.na= menode.ha.NameNodeHAProxyFactory cannot be cast to org.apache.hadoop.hdfs.s= erver.namenode.ha.ClientHAProxyFactory > at org.apache.hadoop.hdfs.server.namenode.ha.ObserverReadProxyProvider.<= init>(ObserverReadProxyProvider.java:123) > at org.apache.hadoop.hdfs.server.namenode.ha.ObserverReadProxyProvider.<= init>(ObserverReadProxyProvider.java:112) > ... 12 more > {code} > similar with HDFS-14116, we did a simple fix. -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscribe@hadoop.apache.org For additional commands, e-mail: hdfs-issues-help@hadoop.apache.org