Andrew Purtell created HBASE-14048: -------------------------------------- Summary: Procedure framework doesn't always check for null return from ZK getData Key: HBASE-14048 URL: https://issues.apache.org/jira/browse/HBASE-14048 Project: HBase Issue Type: Bug Affects Versions: 0.98.13 Reporter: Andrew Purtell Assignee: Andrew Purtell Fix For: 0.98.14
Example: {noformat} 2015-07-09 04:20:30,649 ERROR [ver60020-EventThread] zookeeper.ClientCnxn - Error while calling watcher java.lang.NullPointerException at org.apache.hadoop.hbase.protobuf.ProtobufUtil.isPBMagicPrefix(ProtobufUtil.java:241) at org.apache.hadoop.hbase.procedure.ZKProcedureMemberRpcs.startNewSubprocedure(ZKProcedureMemberRpcs.java:203) at org.apache.hadoop.hbase.procedure.ZKProcedureMemberRpcs.waitForNewProcedures(ZKProcedureMemberRpcs.java:172) at org.apache.hadoop.hbase.procedure.ZKProcedureMemberRpcs.access$100(ZKProcedureMemberRpcs.java:55) at org.apache.hadoop.hbase.procedure.ZKProcedureMemberRpcs$1.nodeChildrenChanged(ZKProcedureMemberRpcs.java:107) at org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.process(ZooKeeperWatcher.java:358) at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:522) at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:498) {noformat} This is observed with 0.98. There may be a deeper cause but let's start by fixing the obvious problem. Audit ProcedureV2 also on later branches. -- This message was sent by Atlassian JIRA (v6.3.4#6332)