Gregory Chanan created HBASE-6151:
-------------------------------------
Summary: Master can die if RegionServer throws ServerNotRunningYet
Key: HBASE-6151
URL: https://issues.apache.org/jira/browse/HBASE-6151
Project: HBase
Issue Type: Bug
Components: ipc
Affects Versions: 0.90.7, 0.92.2, 0.96.0, 0.94.1
Reporter: Gregory Chanan
Assignee: Gregory Chanan
See, for example:
{noformat}
2012-05-23 16:49:22,745 FATAL org.apache.hadoop.hbase.master.HMaster: Unhandled
exception. Starting shutdown.
org.apache.hadoop.hbase.ipc.ServerNotRunningException:
org.apache.hadoop.hbase.ipc.ServerNotRunningException: Server is not running yet
at
org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:1038)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at
org.apache.hadoop.hbase.RemoteExceptionHandler.decodeRemoteException(RemoteExceptionHandler.java:96)
at
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getHRegionConnection(HConnectionManager.java:1240)
at
org.apache.hadoop.hbase.catalog.CatalogTracker.getCachedConnection(CatalogTracker.java:444)
at
org.apache.hadoop.hbase.catalog.CatalogTracker.getMetaServerConnection(CatalogTracker.java:343)
at
org.apache.hadoop.hbase.catalog.CatalogTracker.verifyMetaRegionLocation(CatalogTracker.java:540)
at
org.apache.hadoop.hbase.master.HMaster.assignRootAndMeta(HMaster.java:474)
at
org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java:412)
{noformat}
The HRegionServer calls HBaseServer:
public void start() {
startThreads();
openServer();
}
but the server can start accepting RPCs once the threads have been started, but
if they do, they throw ServerNotRunningException until openServer runs. We
should probably
1) Catch the remote exception and retry on the master
2) Look into whether the start() behavior of HBaseServer makes any sense. Why
would you start accepting RPCs only to throw back ServerNotRunningException?
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