stack created HBASE-8142:
----------------------------
Summary: Sporadic TestZKProcedureControllers failures on trunk
Key: HBASE-8142
URL: https://issues.apache.org/jira/browse/HBASE-8142
Project: HBase
Issue Type: Bug
Reporter: stack
See
https://builds.apache.org/job/PreCommit-HBASE-Build/4865//artifact/trunk/hbase-server/target/surefire-reports/org.apache.hadoop.hbase.procedure.TestZKProcedureControllers.txt
and
https://builds.apache.org/job/PreCommit-HBASE-Build/4865//artifact/trunk/hbase-server/target/surefire-reports/org.apache.hadoop.hbase.procedure.TestZKProcedureControllers-output.txt
I see this in the output:
{code}
2013-03-18 17:30:46,672 DEBUG [Thread-2-EventThread] zookeeper.ZKUtil(1682):
testing utility-0x13d7e8da7590000 Retrieved 0 byte(s) of data from znode
/hbase/testSimple/acquired/instanceTest; data=empty
2013-03-18 17:30:46,672 DEBUG [Thread-2-EventThread]
procedure.ZKProcedureMemberRpcs(206): start proc data length is 0
2013-03-18 17:30:46,672 ERROR [Thread-2-EventThread]
procedure.ZKProcedureMemberRpcs(210): Data in for starting procuedure
instanceTest is illegally formatted. Killing the procedure.
2013-03-18 17:30:46,673 ERROR [Thread-2-EventThread]
procedure.ZKProcedureMemberRpcs(218): Illegal argument exception
java.lang.IllegalArgumentException: Data in for starting procuedure
instanceTest is illegally formatted. Killing the procedure.
at
org.apache.hadoop.hbase.procedure.ZKProcedureMemberRpcs.startNewSubprocedure(ZKProcedureMemberRpcs.java:211)
at
org.apache.hadoop.hbase.procedure.ZKProcedureMemberRpcs.waitForNewProcedures(ZKProcedureMemberRpcs.java:175)
at
org.apache.hadoop.hbase.procedure.ZKProcedureMemberRpcs.access$100(ZKProcedureMemberRpcs.java:56)
at
org.apache.hadoop.hbase.procedure.ZKProcedureMemberRpcs$1.nodeChildrenChanged(ZKProcedureMemberRpcs.java:109)
at
org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.process(ZooKeeperWatcher.java:312)
at
org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:519)
at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:495)
2013-03-18 17:30:46,675 ERROR [Thread-2-EventThread]
procedure.ZKProcedureMemberRpcs(281): Failed due to null subprocedure
java.lang.IllegalArgumentException via
expected:java.lang.IllegalArgumentException: Data in for starting procuedure
instanceTest is illegally formatted. Killing the procedure.
at
org.apache.hadoop.hbase.procedure.ZKProcedureMemberRpcs.startNewSubprocedure(ZKProcedureMemberRpcs.java:219)
at
org.apache.hadoop.hbase.procedure.ZKProcedureMemberRpcs.waitForNewProcedures(ZKProcedureMemberRpcs.java:175)
at
org.apache.hadoop.hbase.procedure.ZKProcedureMemberRpcs.access$100(ZKProcedureMemberRpcs.java:56)
at
org.apache.hadoop.hbase.procedure.ZKProcedureMemberRpcs$1.nodeChildrenChanged(ZKProcedureMemberRpcs.java:109)
at
org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.process(ZooKeeperWatcher.java:312)
at
org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:519)
at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:495)
Caused by: java.lang.IllegalArgumentException: Data in for starting procuedure
instanceTest is illegally formatted. Killing the procedure.
at
org.apache.hadoop.hbase.procedure.ZKProcedureMemberRpcs.startNewSubprocedure(ZKProcedureMemberRpcs.java:211)
... 6 more
{code}
The znode has zero data (Usually it has 7 bytes when test runs fine). Is the
latch being triggered on node create before data is written? Pointers
appreciated.
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