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Posted to dev@hbase.apache.org by "Andrew Purtell (JIRA)" <ji...@apache.org> on 2013/04/25 19:58:16 UTC

[jira] [Resolved] (HBASE-8416) Region Server Spinning on JMX requests

     [ https://issues.apache.org/jira/browse/HBASE-8416?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Purtell resolved HBASE-8416.
-----------------------------------

       Resolution: Won't Fix
    Fix Version/s:     (was: 0.94.8)
                       (was: 0.98.0)
                       (was: 0.95.2)

Resolved as wontfix, see HADOOP-9504
                
> Region Server Spinning on JMX requests
> --------------------------------------
>
>                 Key: HBASE-8416
>                 URL: https://issues.apache.org/jira/browse/HBASE-8416
>             Project: HBase
>          Issue Type: Bug
>          Components: regionserver
>    Affects Versions: 0.94.4
>            Reporter: Ron Buckley
>            Priority: Critical
>
> This morning one our region servers (we have 44) stopped responding to
> the '/jmx' request. (It's working for regular activity.)  Additionally,
> the region server is now using all the CPU on the host, running all 8
> cores at 100%.
> A full jstack is at:
> http://pastebin.com/dGTmTEN7
> Right now, there are 37 threads stuck here:
> "38565532@qtp-228776471-196" prio=10 tid=0x00002aaacc4f2800 nid=0x7f57 runnable [0x0000000054a48000]
>    java.lang.Thread.State: RUNNABLE
>         at java.util.HashMap.get(HashMap.java:303)
>         at org.apache.hadoop.metrics.util.MetricsDynamicMBeanBase.getAttribute(MetricsDynamicMBeanBase.java:137)
>         at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getAttribute(DefaultMBeanServerInterceptor.java:666)
>         at com.sun.jmx.mbeanserver.JmxMBeanServer.getAttribute(JmxMBeanServer.java:638)
>         at org.apache.hadoop.jmx.JMXJsonServlet.writeAttribute(JMXJsonServlet.java:315)
>         at org.apache.hadoop.jmx.JMXJsonServlet.listBeans(JMXJsonServlet.java:293)
>         at org.apache.hadoop.jmx.JMXJsonServlet.doGet(JMXJsonServlet.java:193)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:734)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
>         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:1056)
>         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)

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