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From "Sean Busbey (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-13546) NPE on region server status page if all masters are down
Date Thu, 23 Apr 2015 21:39:40 GMT

    [ https://issues.apache.org/jira/browse/HBASE-13546?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14509872#comment-14509872
] 

Sean Busbey commented on HBASE-13546:
-------------------------------------

stacktrace:

{code}
java.lang.NullPointerException
	at org.apache.hadoop.hbase.zookeeper.MasterAddressTracker.parse(MasterAddressTracker.java:236)
	at org.apache.hadoop.hbase.zookeeper.MasterAddressTracker.getMasterInfoPort(MasterAddressTracker.java:86)
	at org.apache.hadoop.hbase.tmpl.regionserver.RSStatusTmplImpl.renderNoFlush(RSStatusTmplImpl.java:108)
	at org.apache.hadoop.hbase.tmpl.regionserver.RSStatusTmpl.renderNoFlush(RSStatusTmpl.java:220)
	at org.apache.hadoop.hbase.tmpl.regionserver.RSStatusTmpl.render(RSStatusTmpl.java:211)
	at org.apache.hadoop.hbase.regionserver.RSStatusServlet.doGet(RSStatusServlet.java:58)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
	at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1221)
	at org.apache.hadoop.hbase.http.lib.StaticUserWebFilter$StaticUserFilter.doFilter(StaticUserWebFilter.java:113)
	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
	at org.apache.hadoop.hbase.http.HttpServer$QuotingInputFilter.doFilter(HttpServer.java:1351)
	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
	at org.apache.hadoop.hbase.http.NoCacheFilter.doFilter(NoCacheFilter.java:49)
	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
	at org.apache.hadoop.hbase.http.NoCacheFilter.doFilter(NoCacheFilter.java:49)
	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
	at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:399)
	at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
	at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
	at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:767)
	at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450)
	at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
	at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
	at org.mortbay.jetty.Server.handle(Server.java:326)
	at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
	at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:928)
	at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:549)
	at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
	at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
	at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410)
	at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
{code}

> NPE on region server status page if all masters are down
> --------------------------------------------------------
>
>                 Key: HBASE-13546
>                 URL: https://issues.apache.org/jira/browse/HBASE-13546
>             Project: HBase
>          Issue Type: Bug
>          Components: regionserver
>            Reporter: Sean Busbey
>            Assignee: Sean Busbey
>
> while trying to debug a cluster with all masters down, I noticed going to the region
server status page failed with NPE.



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