[ https://issues.apache.org/jira/browse/HADOOP-15784?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Wei-Chiu Chuang reassigned HADOOP-15784: ---------------------------------------- Assignee: yunfei liu > Tracing in Hadoop failed because of Unknown protocol: > org.apache.hadoop.tracing.TraceAdminPB.TraceAdminService > --------------------------------------------------------------------------------------------------------------- > > Key: HADOOP-15784 > URL: https://issues.apache.org/jira/browse/HADOOP-15784 > Project: Hadoop Common > Issue Type: Bug > Components: tracing > Affects Versions: 2.8.2 > Reporter: yunfei liu > Assignee: yunfei liu > Priority: Major > Attachments: HADOOP-15784-1.patch > > > I'm trying to use tracing feature in Hadoop according to this document > [Enabling Dapper-like Tracing in > Hadoop|https://hadoop.apache.org/docs/r2.8.5/hadoop-project-dist/hadoop-common/Tracing.html] > when executing command > {code:java} > hadoop trace -list -host localhost:8020 > {code} > it failed with exception > {code:java} > Exception in thread "main" > org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.security.authorize.AuthorizationException): > Unknown protocol: org.apache.hadoop.tracing.TraceAdminPB.TraceAdminService > at org.apache.hadoop.ipc.Client.getRpcResponse(Client.java:1495) > at org.apache.hadoop.ipc.Client.call(Client.java:1441) > at org.apache.hadoop.ipc.Client.call(Client.java:1351) > at > org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:235) > at > org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:116) > at com.sun.proxy.$Proxy8.listSpanReceivers(Unknown Source) > at > org.apache.hadoop.tracing.TraceAdminProtocolTranslatorPB.listSpanReceivers(TraceAdminProtocolTranslatorPB.java:59) > at > org.apache.hadoop.tracing.TraceAdmin.listSpanReceivers(TraceAdmin.java:73) > at org.apache.hadoop.tracing.TraceAdmin.run(TraceAdmin.java:192) > at org.apache.hadoop.tracing.TraceAdmin.main(TraceAdmin.java:210) > {code} > after examining the source code , I change the protocalName in > TraceAdminProtocolPB.java from > org.apache.hadoop.tracing.TraceAdminPB.TraceAdminService to > org.apache.hadoop.tracing.TraceAdminProtocol , and the tracing function > finally work well > {code:java} > [hdfs@yunfeil ~]$ hadoop trace -list -host localhost:8020 > ID CLASS > 1 org.apache.htrace.impl.ZipkinSpanReceiver > {code} > the code change is as the patch -- This message was sent by Atlassian JIRA (v7.6.14#76016) --------------------------------------------------------------------- To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-issues-h...@hadoop.apache.org