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Posted to dev@hbase.apache.org by "Nick Dimiduk (JIRA)" <ji...@apache.org> on 2015/01/29 05:50:35 UTC
[jira] [Resolved] (HBASE-12942) After disabling the hfile block
cache, Regionserver UI is throwing java.lang.NullPointerException
[ https://issues.apache.org/jira/browse/HBASE-12942?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Nick Dimiduk resolved HBASE-12942.
----------------------------------
Resolution: Fixed
I think this is a dupe of HBASE-12393.
> After disabling the hfile block cache, Regionserver UI is throwing java.lang.NullPointerException
> -------------------------------------------------------------------------------------------------
>
> Key: HBASE-12942
> URL: https://issues.apache.org/jira/browse/HBASE-12942
> Project: HBase
> Issue Type: Bug
> Components: regionserver, UI
> Affects Versions: 1.0.0
> Reporter: Y. SREENIVASULU REDDY
> Assignee: Ashutosh Jindal
> Fix For: 1.0.0, 2.0.0
>
>
> Regionserver UI throws java.lang.NullPointerException
> if hfile.block.cache.size is disabled
> {code}
> java.lang.NullPointerException
> at org.apache.hadoop.hbase.tmpl.regionserver.BlockCacheTmplImpl.__jamon_innerUnit__bc_stats(BlockCacheTmplImpl.java:121)
> at org.apache.hadoop.hbase.tmpl.regionserver.BlockCacheTmplImpl.renderNoFlush(BlockCacheTmplImpl.java:84)
> at org.apache.hadoop.hbase.tmpl.regionserver.BlockCacheTmpl.renderNoFlush(BlockCacheTmpl.java:140)
> at org.apache.hadoop.hbase.tmpl.regionserver.RSStatusTmplImpl.renderNoFlush(RSStatusTmplImpl.java:146)
> 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$CachedChain.doFilter(ServletHandler.java:1212)
> at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:399)
> at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
> at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
> at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)
> at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450)
> at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
> at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
> at org.mortbay.jetty.Server.handle(Server.java:326)
> at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
> at org.mortbay.jetty.HttpConnection$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}
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