[Backup NameNode]BNN is getting Nullpointer execption and shuttingdown When
NameNode got formatted
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Key: HDFS-3123
URL: https://issues.apache.org/jira/browse/HDFS-3123
Project: Hadoop HDFS
Issue Type: Bug
Affects Versions: 0.23.4
Reporter: Brahma Reddy Battula
Scenario 1
==========
Start NN and BNN
stop NN and BNN
Format NN and start only BNN
Then BNN as getting Nullpointer and getting shutdown
{noformat}
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
************************************************************/
{noformat}
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