[KAFKA-416] Controller tests throw several zookeeper errors

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.8.0
• Fix Version/s: 0.8.0
• Labels: bugs replication-testing
• Assignee: Yang Ye
• Reporter: Neha Narkhede
• Created: 25/Jul/12 18:17
• Updated: 25/Aug/12 00:28
• Resolved: 25/Aug/12 00:28

Description

[info] == kafka.controller.ControllerBasicTest ==
[info] Test Starting: testControllerFailOver(kafka.controller.ControllerBasicTest)
[2012-07-25 11:16:06,911] WARN Exception causing close of session 0x0 due to java.io.IOException: ZooKeeperServer not running (org.apache.zookeeper.server.NIOServerCnxn:639)
[info] Test Passed: testControllerFailOver(kafka.controller.ControllerBasicTest)
[info] Test Starting: testControllerCommandSend(kafka.controller.ControllerBasicTest)
[2012-07-25 11:16:13,802] WARN Session 0x138bf5a6e12000c for server null, unexpected error, closing socket connection and attempting reconnect (org.apache.zookeeper.ClientCnxn:1188)
java.net.ConnectException: Connection refused
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567)
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1146)
[2012-07-25 11:16:13,814] WARN Session 0x138bf5a6e12000a for server null, unexpected error, closing socket connection and attempting reconnect (org.apache.zookeeper.ClientCnxn:1188)
java.net.ConnectException: Connection refused
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567)
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1146)
[2012-07-25 11:16:13,822] WARN Session 0x138bf5a6e120008 for server null, unexpected error, closing socket connection and attempting reconnect (org.apache.zookeeper.ClientCnxn:1188)
java.net.ConnectException: Connection refused
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567)
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1146)
[2012-07-25 11:16:13,866] WARN Session 0x138bf5a6e12000b for server null, unexpected error, closing socket connection and attempting reconnect (org.apache.zookeeper.ClientCnxn:1188)
java.net.ConnectException: Connection refused
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567)
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1146)
[2012-07-25 11:16:14,153] WARN Session 0x138bf5a6e120006 for server null, unexpected error, closing socket connection and attempting reconnect (org.apache.zookeeper.ClientCnxn:1188)
java.net.ConnectException: Connection refused
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567)
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1146)
[2012-07-25 11:16:15,347] WARN Session 0x138bf5a6e12000c for server null, unexpected error, closing socket connection and attempting reconnect (org.apache.zookeeper.ClientCnxn:1188)
java.net.ConnectException: Connection refused
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567)
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1146)
[2012-07-25 11:16:15,712] WARN Session 0x138bf5a6e12000b for server null, unexpected error, closing socket connection and attempting reconnect (org.apache.zookeeper.ClientCnxn:1188)
java.net.ConnectException: Connection refused
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567)
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1146)
[2012-07-25 11:16:15,810] WARN Session 0x138bf5a6e12000a for server null, unexpected error, closing socket connection and attempting reconnect (org.apache.zookeeper.ClientCnxn:1188)
java.net.ConnectException: Connection refused
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567)
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1146)
[2012-07-25 11:16:15,848] WARN Session 0x138bf5a6e120008 for server null, unexpected error, closing socket connection and attempting reconnect (org.apache.zookeeper.ClientCnxn:1188)
java.net.ConnectException: Connection refused
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567)
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1146)
[info] Test Passed: testControllerCommandSend(kafka.controller.ControllerBasicTest)

These error messages suggest that the controller is not closing zookeeper sessions correctly. It could also mean that the unit test doesn't close zookeeper sessions correctly.