My Oracle Support Banner

HBase Shell Raises "ERROR: Can't get master address from ZooKeeper; znode data == null" (Doc ID 2423655.1)

Last updated on JANUARY 29, 2020

Applies to:

Big Data Appliance Integrated Software - Version 4.10.0 and later
Linux x86-64

Symptoms

The symptoms are as follows:

1. Using the HBase shell raises:

ERROR: Can't get master address from ZooKeeper; znode data == null

2. The HBase Master log file reports:

<timestamp> WARN org.apache.hadoop.hbase.procedure2.store.wal.WALProcedureStore: Unable to roll the log
org.apache.hadoop.security.AccessControlException: Permission denied: user=hbase, access=WRITE, inode="/hbase/MasterProcWALs":hbass:hbase:drwxr-xr-x
at org.apache.hadoop.hdfs.server.namenode.DefaultAuthorizationProvider.checkFsPermission(DefaultAuthorizationProvider.java:279)
at org.apache.hadoop.hdfs.server.namenode.DefaultAuthorizationProvider.check(DefaultAuthorizationProvider.java:260)

3. In HDFS the /hbase/.hbase-snapshot directory and its content have their ownership incorrectly set to: "hdfs:hbase".  It should be "hbase:hbase".

drwxr-xr-x - hdfs hbase 0 2018-07-14 13:12 /hbase/.hbase-snapshot  

 

Changes

 

Cause

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!


In this Document
Symptoms
Changes
Cause
Solution


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.