Tsz-wo Sze created HDDS-11058:
---------------------------------

             Summary: JMXJsonServlet caused by CollectionUsage threshold is not 
supported
                 Key: HDDS-11058
                 URL: https://issues.apache.org/jira/browse/HDDS-11058
             Project: Apache Ozone
          Issue Type: Improvement
            Reporter: Tsz-wo Sze


When DEBUG log is enabled, there are
{code}
2024-06-23 23:28:14,845 DEBUG 
[qtp1790862011-830]-org.apache.hadoop.jmx.JMXJsonServlet: getting attribute 
CollectionUsageThreshold of java.lang:type=MemoryPool,name=Code Cache threw an 
exception
javax.management.RuntimeMBeanException: 
java.lang.UnsupportedOperationException: CollectionUsage threshold is not 
supported
        at 
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.rethrow(DefaultMBeanServerInterceptor.java:839)
        at 
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.rethrowMaybeMBeanException(DefaultMBeanServerInterceptor.java:852)
        at 
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getAttribute(DefaultMBeanServerInterceptor.java:651)
        at 
com.sun.jmx.mbeanserver.JmxMBeanServer.getAttribute(JmxMBeanServer.java:678)
        at 
org.apache.hadoop.jmx.JMXJsonServlet.writeAttribute(JMXJsonServlet.java:338)
        at 
org.apache.hadoop.jmx.JMXJsonServlet.listBeans(JMXJsonServlet.java:316)
        at org.apache.hadoop.jmx.JMXJsonServlet.doGet(JMXJsonServlet.java:210)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:687)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
        at 
org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799)
        at 
org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1656)
        at 
org.apache.hadoop.http.lib.StaticUserWebFilter$StaticUserFilter.doFilter(StaticUserWebFilter.java:110)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1626)
        at 
org.apache.hadoop.hdds.server.http.HttpServer2$QuotingInputFilter.doFilter(HttpServer2.java:1681)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        at 
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1626)
        at 
org.apache.hadoop.hdds.server.http.NoCacheFilter.doFilter(NoCacheFilter.java:48)
        at 
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
        ...
Caused by: java.lang.UnsupportedOperationException: CollectionUsage threshold 
is not supported
        at 
sun.management.MemoryPoolImpl.getCollectionUsageThreshold(MemoryPoolImpl.java:202)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at sun.reflect.misc.Trampoline.invoke(MethodUtil.java:72)
        at sun.reflect.GeneratedMethodAccessor29.invoke(Unknown Source)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at sun.reflect.misc.MethodUtil.invoke(MethodUtil.java:276)
        at 
com.sun.jmx.mbeanserver.ConvertingMethod.invokeWithOpenReturn(ConvertingMethod.java:193)
        at 
com.sun.jmx.mbeanserver.ConvertingMethod.invokeWithOpenReturn(ConvertingMethod.java:175)
        at 
com.sun.jmx.mbeanserver.MXBeanIntrospector.invokeM2(MXBeanIntrospector.java:117)
        at 
com.sun.jmx.mbeanserver.MXBeanIntrospector.invokeM2(MXBeanIntrospector.java:54)
        at 
com.sun.jmx.mbeanserver.MBeanIntrospector.invokeM(MBeanIntrospector.java:237)
        at 
com.sun.jmx.mbeanserver.PerInterface.getAttribute(PerInterface.java:83)
        at 
com.sun.jmx.mbeanserver.MBeanSupport.getAttribute(MBeanSupport.java:206)
        at javax.management.StandardMBean.getAttribute(StandardMBean.java:372)
        at 
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getAttribute(DefaultMBeanServerInterceptor.java:647)
        ... 48 more
{code}



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