[ https://issues.apache.org/jira/browse/HDFS-14245?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Erik Krogen updated HDFS-14245: ------------------------------- Attachment: HDFS-14245.001.patch > 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 > Attachments: HDFS-14245.000.patch, HDFS-14245.001.patch, > HDFS-14245.patch > > > Run "hdfs groups" with ObserverReadProxyProvider, Exception throws as : > {code:java} > Exception in thread "main" java.io.IOException: Couldn't create proxy > provider class > org.apache.hadoop.hdfs.server.namenode.ha.ObserverReadProxyProvider > at > org.apache.hadoop.hdfs.NameNodeProxiesClient.createFailoverProxyProvider(NameNodeProxiesClient.java:261) > at > org.apache.hadoop.hdfs.NameNodeProxies.createProxy(NameNodeProxies.java:119) > at > org.apache.hadoop.hdfs.NameNodeProxies.createProxy(NameNodeProxies.java: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(NativeConstructorAccessorImpl.java:62) > at > sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) > at java.lang.reflect.Constructor.newInstance(Constructor.java:423) > at > org.apache.hadoop.hdfs.NameNodeProxiesClient.createFailoverProxyProvider(NameNodeProxiesClient.java:245) > ... 7 more > Caused by: java.lang.ClassCastException: > org.apache.hadoop.hdfs.server.namenode.ha.NameNodeHAProxyFactory cannot be > cast to org.apache.hadoop.hdfs.server.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 (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org