HBase Error IllegalStateException when starting Master: hsync

I had similar issue while using HBase 2.2.3 with Hadoop 2.10.0 on a 3-N Hbase cluster while using HDFS as the base.rootdir.

Solution

1. Set the configuration to hbase.unsafe.stream.capability.enforce to false in hbase-site.xml

<property>

  <name>hbase.unsafe.stream.capability.enforce</name>

  <value>false</value>

</property>

1. Not sure of this was necessary , also changed the hbase.wal.dir to an HDFS directory outside the hbase.rootdir