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From Nicolas Liochon <nkey...@gmail.com>
Subject Re: Problems with HBase JMX beans
Date Mon, 17 Dec 2012 10:08:27 GMT
HBASE-5718 seems to say it's reproducible only on openjdk.
HBase requires the jdk from Oracle (see
http://hbase.apache.org/book.html#basic.prerequisites).
Issues that occur on other jdk are not rejected, but usually receives a
lower priority. If someone provides a patch, it will be integrated.


On Mon, Dec 17, 2012 at 10:20 AM, Ivan Ryndin <iryndin@gmail.com> wrote:

> Hi all,
>
> when starting HBase on a single node have following exceptions in log
> files:
>
> ======================================
> javax.management.NotCompliantMBeanException:
> org.apache.hadoop.hbase.master.MXBean: Method
> org.apache.hadoop.hbase.master.MXBean.getRegionServers has parameter or
> return type that cannot be translated into an open type
>         at
> com.sun.jmx.mbeanserver.Introspector.throwException(Introspector.java:419)
>         at
> com.sun.jmx.mbeanserver.MBeanAnalyzer.<init>(MBeanAnalyzer.java:118)
>         at
> com.sun.jmx.mbeanserver.MBeanAnalyzer.analyzer(MBeanAnalyzer.java:104)
>         at
>
> com.sun.jmx.mbeanserver.MXBeanIntrospector.getAnalyzer(MXBeanIntrospector.java:71)
>         at
>
> com.sun.jmx.mbeanserver.MBeanIntrospector.getPerInterface(MBeanIntrospector.java:181)
>         at
> com.sun.jmx.mbeanserver.MBeanSupport.<init>(MBeanSupport.java:136)
>         at
> com.sun.jmx.mbeanserver.MXBeanSupport.<init>(MXBeanSupport.java:66)
>         at
>
> com.sun.jmx.mbeanserver.Introspector.makeDynamicMBean(Introspector.java:184)
>         at
>
> com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerObject(DefaultMBeanServerInterceptor.java:936)
>         at
>
> com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean(DefaultMBeanServerInterceptor.java:330)
>         at
>
> com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean(JmxMBeanServer.java:516)
>         at
> org.apache.hadoop.metrics.util.MBeanUtil.registerMBean(MBeanUtil.java:58)
>         at
> org.apache.hadoop.hbase.master.HMaster.registerMBean(HMaster.java:1829)
>         at
>
> org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java:562)
>         at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:349)
>         at
>
> org.apache.hadoop.hbase.master.HMasterCommandLine$LocalHMaster.run(HMasterCommandLine.java:220)
>         at java.lang.Thread.run(Thread.java:679)
> Caused by: java.lang.IllegalArgumentException: Method
> org.apache.hadoop.hbase.master.MXBean.getRegionServers has parameter or
> return type that cannot be translated into an open type
>         at
> com.sun.jmx.mbeanserver.ConvertingMethod.from(ConvertingMethod.java:45)
>         at
>
> com.sun.jmx.mbeanserver.MXBeanIntrospector.mFrom(MXBeanIntrospector.java:81)
>         at
>
> com.sun.jmx.mbeanserver.MXBeanIntrospector.mFrom(MXBeanIntrospector.java:51)
>         at
> com.sun.jmx.mbeanserver.MBeanAnalyzer.initMaps(MBeanAnalyzer.java:135)
>         at
> com.sun.jmx.mbeanserver.MBeanAnalyzer.<init>(MBeanAnalyzer.java:116)
>         ... 15 more
> Caused by: javax.management.openmbean.OpenDataException: Cannot obtain
> array class
>         at
>
> com.sun.jmx.mbeanserver.OpenConverter.openDataException(OpenConverter.java:1389)
>         at
>
> com.sun.jmx.mbeanserver.OpenConverter.makeArrayOrCollectionConverter(OpenConverter.java:346)
>         at
> com.sun.jmx.mbeanserver.OpenConverter.makeConverter(OpenConverter.java:295)
>         at
> com.sun.jmx.mbeanserver.OpenConverter.toConverter(OpenConverter.java:277)
>         at
>
> com.sun.jmx.mbeanserver.OpenConverter.makeTabularConverter(OpenConverter.java:376)
>         at
>
> com.sun.jmx.mbeanserver.OpenConverter.makeParameterizedConverter(OpenConverter.java:417)
>         at
> com.sun.jmx.mbeanserver.OpenConverter.makeConverter(OpenConverter.java:312)
>         at
> com.sun.jmx.mbeanserver.OpenConverter.toConverter(OpenConverter.java:277)
>         at
>
> com.sun.jmx.mbeanserver.OpenConverter.makeCompositeConverter(OpenConverter.java:482)
>         at
> com.sun.jmx.mbeanserver.OpenConverter.makeConverter(OpenConverter.java:309)
>         at
> com.sun.jmx.mbeanserver.OpenConverter.toConverter(OpenConverter.java:277)
>         at
>
> com.sun.jmx.mbeanserver.OpenConverter.makeTabularConverter(OpenConverter.java:377)
>         at
>
> com.sun.jmx.mbeanserver.OpenConverter.makeParameterizedConverter(OpenConverter.java:417)
>         at
> com.sun.jmx.mbeanserver.OpenConverter.makeConverter(OpenConverter.java:312)
>         at
> com.sun.jmx.mbeanserver.OpenConverter.toConverter(OpenConverter.java:277)
>         at
> com.sun.jmx.mbeanserver.ConvertingMethod.<init>(ConvertingMethod.java:197)
>         at
> com.sun.jmx.mbeanserver.ConvertingMethod.from(ConvertingMethod.java:40)
>         ... 19 more
> Caused by: java.lang.ClassNotFoundException: [Lbyte;
>         at java.lang.Class.forName0(Native Method)
>         at java.lang.Class.forName(Class.java:186)
>         at
>
> com.sun.jmx.mbeanserver.OpenConverter.makeArrayOrCollectionConverter(OpenConverter.java:344)
>         ... 34 more
>
> ======================================
>
> Yes, I know about
> https://issues.apache.org/jira/browse/HBASE-5718
> and about
> https://issues.apache.org/jira/browse/HBASE-5971
>
> Also looked at:
>
> http://stackoverflow.com/questions/10020702/jmx-exception-caused-by-java-lang-classnotfoundexception-lbyte
>
> I didn't config JMX beans in hbase-site.xml (should I do this?). The only
> config is ( hbase-site.xml):
> ======================
> <configuration>
>   <property>
>     <name>hbase.rootdir</name>
>     <value>file:///data/hbase</value>
>   </property>
>   <property>
>     <name>hbase.zookeeper.property.dataDir</name>
>     <value>/data/zookeeper</value>
>   </property>
> </configuration>
> ======================
>
> It seems that hbase developers do not consider this JMX issue  as a
> noticeable problem. Am I right?
>
> --
> Best regards,
> Ivan P. Ryndin,
>

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