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Y. SREENIVASULU REDDY commented on HBASE-11563: ----------------------------------------------- hi Mikhail, i am using java version "1.6.0_31" > 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} -- This message was sent by Atlassian JIRA (v6.2#6252)