[HDFS-3123] BNN is getting Nullpointer execption and shuttingdown When NameNode got formatted

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 0.23.4, 2.0.0-alpha
• Target Version/s: 2.0.0-alpha
• Assignee: Uma Maheswara Rao G
• Reporter: Brahma Reddy Battula
• Created: 21/Mar/12 07:12
• Updated: 10/Mar/15 04:36

Description

Scenario 1
==========
Start NN and BNN
stop NN and BNN
Format NN and start only BNN

Then BNN as getting Nullpointer and getting shutdown

12/03/20 21:26:05 ERROR ipc.RPC: Tried to call RPC.stopProxy on an object that is not a proxy.
java.lang.IllegalArgumentException: not a proxy instance
	at java.lang.reflect.Proxy.getInvocationHandler(Proxy.java:637)
	at org.apache.hadoop.ipc.RPC.stopProxy(RPC.java:591)
	at org.apache.hadoop.hdfs.server.namenode.BackupNode.stop(BackupNode.java:194)
	at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:547)
	at org.apache.hadoop.hdfs.server.namenode.BackupNode.<init>(BackupNode.java:86)
	at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:847)
	at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:908)
12/03/20 21:26:05 ERROR ipc.RPC: Could not get invocation handler null for proxy class class org.apache.hadoop.hdfs.protocolPB.NamenodeProtocolTranslatorPB, or invocation handler is not closeable.
12/03/20 21:26:05 ERROR namenode.NameNode: Exception in namenode join
java.lang.NullPointerException
	at org.apache.hadoop.hdfs.server.namenode.NameNode.getFSImage(NameNode.java:609)
	at org.apache.hadoop.hdfs.server.namenode.BackupNode.stop(BackupNode.java:205)
	at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:547)
	at org.apache.hadoop.hdfs.server.namenode.BackupNode.<init>(BackupNode.java:86)
	at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:847)
	at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:908)
12/03/20 21:26:05 INFO namenode.NameNode: SHUTDOWN_MSG: 
/************************************************************
SHUTDOWN_MSG: Shutting down NameNode at HOST-10-18-40-233/10.18.40.233
************************************************************/