BackupNode stop can not close proxy connections because it is not a proxy
instance.
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Key: HDFS-2768
URL: https://issues.apache.org/jira/browse/HDFS-2768
Project: Hadoop HDFS
Issue Type: Bug
Components: name-node
Affects Versions: 0.24.0
Reporter: Uma Maheswara Rao G
Assignee: Uma Maheswara Rao G
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)
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