[HDFS-2310] TestBackupNode fails since HADOOP-7524 went in.

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.0.0-alpha1
• Component/s: test
• Hadoop Flags: Reviewed
• Assignee: Ivan Kelly
• Reporter: Ivan Kelly
• Created: 05/Sep/11 15:31
• Updated: 13/May/16 05:13
• Resolved: 06/Sep/11 00:35

Description

Logs give the following error. This happens because the JournalProtocol is never registered with the server.

2011-09-05 10:44:36,811 INFO ipc.Server (Server.java:run(1497)) - IPC Server handler 0 on 60758, call: startLogSegment(NamenodeRegistration(localhost:60754, role=NameNode), 3), rpc version=2, client version=1, methodsFingerPrint=-852377201 from 127.0.0.1:60760, error:
java.io.IOException: java.io.IOException: Unknown protocol: org.apache.hadoop.hdfs.server.protocol.JournalProtocol
at org.apache.hadoop.ipc.WritableRpcEngine$Server.call(WritableRpcEngine.java:622)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1489)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1485)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:396)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1135)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1483)
2011-09-05 10:44:36,813 ERROR namenode.FSEditLog (FSEditLog.java:mapJournalsAndReportErrors(1048)) - Error starting log segment 3 (journal JournalAndStream(mgr=org.apache.hadoop.hdfs.server.namenode.BackupJournalManager@2876b359, stream=null))
java.io.IOException: java.io.IOException: Unknown protocol: org.apache.hadoop.hdfs.server.protocol.JournalProtocol
at org.apache.hadoop.ipc.WritableRpcEngine$Server.call(WritableRpcEngine.java:622)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1489)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1485)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:396)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1135)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1483)

Issue Links

• is broken by: HADOOP-7524 Change RPC to allow multiple protocols including multiple versions of the same protocol