[HDFS-2768] BackupNode stop can not close proxy connections because it is not a proxy instance.

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0.0-alpha
• Fix Version/s: 2.0.0-alpha
• Component/s: namenode
• Hadoop Flags: Reviewed
• Assignee: Uma Maheswara Rao G
• Reporter: Uma Maheswara Rao G
• Created: 07/Jan/12 18:08
• Updated: 28/Sep/15 20:58
• Resolved: 10/Apr/12 02:37

Description

Observe this from BackupNode tests:

java.lang.IllegalArgumentException: not a proxy instance
at java.lang.reflect.Proxy.getInvocationHandler(Unknown Source)
at org.apache.hadoop.ipc.RPC.stopProxy(RPC.java:557)
at org.apache.hadoop.hdfs.server.namenode.BackupNode.stop(BackupNode.java:194)
at org.apache.hadoop.hdfs.server.namenode.TestBackupNode.testCheckpoint(TestBackupNode.java:355)
at org.apache.hadoop.hdfs.server.namenode.TestBackupNode.testBackupNode(TestBackupNode.java:241)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at junit.framework.TestCase.runTest(TestCase.java:168)
at junit.framework.TestCase.runBare(TestCase.java:134)
at junit.framework.TestResult$1.protect(TestResult.java:110)