Sergey Shelukhin created HIVE-5670:
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Summary: annoying ZK exceptions are annoying
Key: HIVE-5670
URL: https://issues.apache.org/jira/browse/HIVE-5670
Project: Hive
Issue Type: Task
Reporter: Sergey Shelukhin
Assignee: Sergey Shelukhin
Priority: Minor
when I run tests locally (or on cluster IIRC) there are bunch of ZK-related
exceptions in Hive log, such as
{noformat}
2013-10-28 09:50:50,851 ERROR zookeeper.ClientCnxn
(ClientCnxn.java:processEvent(523)) - Error while calling watcher
java.lang.NullPointerException
at
org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:521)
at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:497)
2013-10-28 09:51:05,747 DEBUG server.NIOServerCnxn
(NIOServerCnxn.java:closeSock(1024)) - ignoring exception during input shutdown
java.net.SocketException: Socket is not connected
at sun.nio.ch.SocketChannelImpl.shutdown(Native Method)
at sun.nio.ch.SocketChannelImpl.shutdownInput(SocketChannelImpl.java:633)
at sun.nio.ch.SocketAdaptor.shutdownInput(SocketAdaptor.java:360)
at
org.apache.zookeeper.server.NIOServerCnxn.closeSock(NIOServerCnxn.java:1020)
at org.apache.zookeeper.server.NIOServerCnxn.close(NIOServerCnxn.java:977)
at org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:347)
at
org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:224)
at java.lang.Thread.run(Thread.java:680)
{noformat}
They are annoying when you look for actual problems in logs.
Those on DEBUG level should be silenced via log levels for ZK classes by
default. Not sure what to do with ERROR level one(s?), I'd need to look if they
can be silenced/logged as DEBUG on hive side, or maybe file a bug for ZK...
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