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From "Mikhail Antonov (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-11563) Failed to retrieve nio.BufferPool direct MemoryUsed attribute.
Date Tue, 22 Jul 2014 09:20:40 GMT

    [ https://issues.apache.org/jira/browse/HBASE-11563?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14070055#comment-14070055
] 

Mikhail Antonov commented on HBASE-11563:
-----------------------------------------

Are you seeing this exception in the UI, or in the logs? if in the logs, then please take
a look at the jira I linked. That doesn't indicate actual issue, rather just notifies that
certain JVM monitoring metrics couldn't be gathered, because not supported by this version
of underlying JVM.

> Failed to retrieve nio.BufferPool direct MemoryUsed attribute.
> --------------------------------------------------------------
>
>                 Key: HBASE-11563
>                 URL: https://issues.apache.org/jira/browse/HBASE-11563
>             Project: HBase
>          Issue Type: Bug
>          Components: regionserver
>    Affects Versions: 0.98.3
>            Reporter: Y. SREENIVASULU REDDY
>
> STEPS:
> -------
> 1. start HBase cluster.
> 2. Navigate to the RegionServer UI.
> 3. Instance not found exception is throwing.
> {code}
> 2014-07-22 12:16:41,504 DEBUG [257789301@qtp-605399375-0] util.DirectMemoryUtils: Failed
to retrieve nio.BufferPool direct MemoryUsed attribute.
> javax.management.InstanceNotFoundException: java.nio:type=BufferPool,name=direct
> 	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getMBean(DefaultMBeanServerInterceptor.java:1094)
> 	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getAttribute(DefaultMBeanServerInterceptor.java:662)
> 	at com.sun.jmx.mbeanserver.JmxMBeanServer.getAttribute(JmxMBeanServer.java:638)
> 	at org.apache.hadoop.hbase.util.DirectMemoryUtils.<clinit>(DirectMemoryUtils.java:72)
> 	at org.apache.hadoop.hbase.tmpl.regionserver.ServerMetricsTmplImpl.__jamon_innerUnit__memoryStats(ServerMetricsTmplImpl.java:217)
> 	at org.apache.hadoop.hbase.tmpl.regionserver.ServerMetricsTmplImpl.renderNoFlush(ServerMetricsTmplImpl.java:68)
> 	at org.apache.hadoop.hbase.tmpl.regionserver.ServerMetricsTmpl.renderNoFlush(ServerMetricsTmpl.java:133)
> 	at org.apache.hadoop.hbase.tmpl.regionserver.RSStatusTmplImpl.renderNoFlush(RSStatusTmplImpl.java:104)
> 	at org.apache.hadoop.hbase.tmpl.regionserver.RSStatusTmpl.renderNoFlush(RSStatusTmpl.java:170)
> 	at org.apache.hadoop.hbase.tmpl.regionserver.RSStatusTmpl.render(RSStatusTmpl.java:161)
> 	at org.apache.hadoop.hbase.regionserver.RSStatusServlet.doGet(RSStatusServlet.java:56)
> 	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$CachedChain.doFilter(ServletHandler.java:1221)
> 	at org.apache.hadoop.http.lib.StaticUserWebFilter$StaticUserFilter.doFilter(StaticUserWebFilter.java:109)
> 	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
> 	at org.apache.hadoop.http.HttpServer$QuotingInputFilter.doFilter(HttpServer.java:1089)
> 	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
> 	at org.apache.hadoop.http.NoCacheFilter.doFilter(NoCacheFilter.java:45)
> 	at org.mortbay.jetty.servlet.ServletHandler$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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