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Posted to issues@hbase.apache.org by "Jieshan Bean (JIRA)" <ji...@apache.org> on 2012/05/02 05:42:59 UTC
[jira] [Commented] (HBASE-5883) Backup master is going down due to
connection refused exception
[ https://issues.apache.org/jira/browse/HBASE-5883?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13266321#comment-13266321 ]
Jieshan Bean commented on HBASE-5883:
-------------------------------------
Just in case of the exception likes:
new IOException(connectionException.toString())
> Backup master is going down due to connection refused exception
> ---------------------------------------------------------------
>
> Key: HBASE-5883
> URL: https://issues.apache.org/jira/browse/HBASE-5883
> Project: HBase
> Issue Type: Bug
> Components: master
> Affects Versions: 0.90.6, 0.92.1, 0.94.0
> Reporter: Gopinathan A
> Assignee: Jieshan Bean
> Attachments: HBASE-5883-94.patch
>
>
> The active master node network was down for some time (This node contains Master,DN,ZK,RS). Here backup node got
> notification, and started to became active. Immedietly backup node got aborted with the below exception.
> {noformat}
> 2012-04-09 10:42:24,270 INFO org.apache.hadoop.hbase.master.SplitLogManager: finished splitting (more than or equal to) 861248320 bytes in 4 log files in [hdfs://192.168.47.205:9000/hbase/.logs/HOST-192-168-47-202,60020,1333715537172-splitting] in 26374ms
> 2012-04-09 10:42:24,316 FATAL org.apache.hadoop.hbase.master.HMaster: Master server abort: loaded coprocessors are: []
> 2012-04-09 10:42:24,333 FATAL org.apache.hadoop.hbase.master.HMaster: Unhandled exception. Starting shutdown.
> java.io.IOException: java.net.ConnectException: Connection refused
> at org.apache.hadoop.hbase.ipc.HBaseClient$Connection.setupIOstreams(HBaseClient.java:375)
> at org.apache.hadoop.hbase.ipc.HBaseClient.getConnection(HBaseClient.java:1045)
> at org.apache.hadoop.hbase.ipc.HBaseClient.call(HBaseClient.java:897)
> at org.apache.hadoop.hbase.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:150)
> at $Proxy13.getProtocolVersion(Unknown Source)
> at org.apache.hadoop.hbase.ipc.WritableRpcEngine.getProxy(WritableRpcEngine.java:183)
> at org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:303)
> at org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:280)
> at org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:332)
> at org.apache.hadoop.hbase.ipc.HBaseRPC.waitForProxy(HBaseRPC.java:236)
> at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getHRegionConnection(HConnectionManager.java:1276)
> at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getHRegionConnection(HConnectionManager.java:1233)
> at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getHRegionConnection(HConnectionManager.java:1220)
> at org.apache.hadoop.hbase.catalog.CatalogTracker.getCachedConnection(CatalogTracker.java:569)
> at org.apache.hadoop.hbase.catalog.CatalogTracker.getRootServerConnection(CatalogTracker.java:369)
> at org.apache.hadoop.hbase.catalog.CatalogTracker.waitForRootServerConnection(CatalogTracker.java:353)
> at org.apache.hadoop.hbase.catalog.CatalogTracker.verifyRootRegionLocation(CatalogTracker.java:660)
> at org.apache.hadoop.hbase.master.HMaster.assignRootAndMeta(HMaster.java:616)
> at org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java:540)
> at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:363)
> at java.lang.Thread.run(Thread.java:662)
> Caused by: 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.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206)
> at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:488)
> at org.apache.hadoop.hbase.ipc.HBaseClient$Connection.setupConnection(HBaseClient.java:328)
> at org.apache.hadoop.hbase.ipc.HBaseClient$Connection.setupIOstreams(HBaseClient.java:362)
> ... 20 more
> 2012-04-09 10:42:24,336 INFO org.apache.hadoop.hbase.master.HMaster: Aborting
> 2012-04-09 10:42:24,336 DEBUG org.apache.hadoop.hbase.master.HMaster: Stopping service threads
> {noformat}
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