JGroups / Discussion / Open Discussion: Getting warning while stopping the application on one of my custer node

alka pandey - 2018-05-22

HI,
While starting and stopping the application , I am getting thsese errors .(
Upgrading my jgroup version 3.4.3 Version 4.0.10 , This issue is not in 3.4.3 version )

WARN org.jgroups.stack.ProtocolStack - Could not retrieve value of attribute (method) BundlerStats
java.lang.reflect.InvocationTargetException: null

2018-05-22 10:33:30.244 WARN org.jgroups.stack.ProtocolStack - Could not retrieve value of attribute (method) BundlerBufferSize
java.lang.reflect.InvocationTargetException: null
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_152]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_152]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_152]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_152]
at org.jgroups.jmx.ResourceDMBean.dumpStats(ResourceDMBean.java:214) ~[jgroups-4.0.10.Final.jar:4.0.10.Final]
at org.jgroups.stack.ProtocolStack.dumpStats(ProtocolStack.java:384) [jgroups-4.0.10.Final.jar:4.0.10.Final]
at org.jgroups.stack.ProtocolStack.dumpStats(ProtocolStack.java:268) [jgroups-4.0.10.Final.jar:4.0.10.Final]
at org.jgroups.JChannel.dumpStats(JChannel.java:345) [jgroups-4.0.10.Final.jar:4.0.10.Final]
at com.cluster.router.jgroups.ClusterRouterChannel.channelDisconnected(ClusterRouterChannel.java:267) [com.cluster.router.jgroups_3.7.4.JGROUPLCM-SNAPSHOT.jar:na]
at org.jgroups.JChannel.lambda$notifyChannelDisconnected$2(JChannel.java:1151) [jgroups-4.0.10.Final.jar:4.0.10.Final]
at java.util.concurrent.CopyOnWriteArrayList.forEach(CopyOnWriteArrayList.java:891) ~[na:1.8.0_152]
at java.util.concurrent.CopyOnWriteArraySet.forEach(CopyOnWriteArraySet.java:404) ~[na:1.8.0_152]
at org.jgroups.JChannel.notifyListeners(JChannel.java:1161) [jgroups-4.0.10.Final.jar:4.0.10.Final]
at org.jgroups.JChannel.notifyChannelDisconnected(JChannel.java:1151) [jgroups-4.0.10.Final.jar:4.0.10.Final]
at org.jgroups.JChannel.disconnect(JChannel.java:477) [jgroups-4.0.10.Final.jar:4.0.10.Final]
at org.jgroups.JChannel._close(JChannel.java:1102) [jgroups-4.0.10.Final.jar:4.0.10.Final]
at org.jgroups.JChannel.close(JChannel.java:495) [jgroups-4.0.10.Final.jar:4.0.10.Final]

Last edit: alka pandey 2018-05-22
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alka pandey - 2018-05-25

Hi,

can you please let us know about these warning/error messages" ?

While starting and stopping the application , I am getting thsese errors .(
Upgrading my jgroup version 3.4.3 Version 4.0.10 , This issue is not in 3.4.3 version )

WARN org.jgroups.stack.ProtocolStack - Could not retrieve value of attribute (method) BundlerStats java.lang.reflect.InvocationTargetException: null 2018-05-22 10:33:30.244 WARN org.jgroups.stack.ProtocolStack - Could not retrieve value of attribute (method) BundlerBufferSize java.lang.reflect.InvocationTargetException: null at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_152] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_152] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_152] at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_152] at org.jgroups.jmx.ResourceDMBean.dumpStats(ResourceDMBean.java:214) ~[jgroups-4.0.10.Final.jar:4.0.10.Final] at org.jgroups.stack.ProtocolStack.dumpStats(ProtocolStack.java:384) [jgroups-4.0.10.Final.jar:4.0.10.Final] at org.jgroups.stack.ProtocolStack.dumpStats(ProtocolStack.java:268) [jgroups-4.0.10.Final.jar:4.0.10.Final] at org.jgroups.JChannel.dumpStats(JChannel.java:345) [jgroups-4.0.10.Final.jar:4.0.10.Final] at com.cluster.router.jgroups.ClusterRouterChannel.channelDisconnected(ClusterRouterChannel.java:267) [com.cluster.router.jgroups_3.7.4.JGROUPLCM-SNAPSHOT.jar:na] at org.jgroups.JChannel.lambda$notifyChannelDisconnected$2(JChannel.java:1151) [jgroups-4.0.10.Final.jar:4.0.10.Final] at java.util.concurrent.CopyOnWriteArrayList.forEach(CopyOnWriteArrayList.java:891) ~[na:1.8.0_152] at java.util.concurrent.CopyOnWriteArraySet.forEach(CopyOnWriteArraySet.java:404) ~[na:1.8.0_152] at org.jgroups.JChannel.notifyListeners(JChannel.java:1161) [jgroups-4.0.10.Final.jar:4.0.10.Final] at org.jgroups.JChannel.notifyChannelDisconnected(JChannel.java:1151) [jgroups-4.0.10.Final.jar:4.0.10.Final] at org.jgroups.JChannel.disconnect(JChannel.java:477) [jgroups-4.0.10.Final.jar:4.0.10.Final] at org.jgroups.JChannel._close(JChannel.java:1102) [jgroups-4.0.10.Final.jar:4.0.10.Final] at org.jgroups.JChannel.close(JChannel.java:495) [jgroups-4.0.10.Final.jar:4.0.10.Final]
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- Bela Ban - 2018-05-28
  
  The reason is that you're calling dumpStats() after the channel has been
  disconnected, and 'bundler' was set to null. I fixed this on master
  (commit 42bcc3b13f1fe677d00e135798e4ed38df82b972), but calling
  dumpStats() should be done on a connected channel.
  
  Cheers,
  
  On 25/05/18 06:10, alka pandey wrote:
  
  Hi,
  
  can you please let us know about these warning/error messages" ?
  
  While starting and stopping the application , I am getting thsese errors .(
  Upgrading my jgroup version 3.4.3 Version 4.0.10 , This issue is not in
  3.4.3 version )
  
  WARN org.jgroups.stack.ProtocolStack - Could not retrieve value of attribute (method) BundlerStats
  java.lang.reflect.InvocationTargetException: null
  
  2018-05-22 10:33:30.244 WARN org.jgroups.stack.ProtocolStack - Could not retrieve value of attribute (method) BundlerBufferSize
  java.lang.reflect.InvocationTargetException: null
  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_152]
  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_152]
  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_152]
  at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_152]
  at org.jgroups.jmx.ResourceDMBean.dumpStats(ResourceDMBean.java:214) ~[jgroups-4.0.10.Final.jar:4.0.10.Final]
  at org.jgroups.stack.ProtocolStack.dumpStats(ProtocolStack.java:384) [jgroups-4.0.10.Final.jar:4.0.10.Final]
  at org.jgroups.stack.ProtocolStack.dumpStats(ProtocolStack.java:268) [jgroups-4.0.10.Final.jar:4.0.10.Final]
  at org.jgroups.JChannel.dumpStats(JChannel.java:345) [jgroups-4.0.10.Final.jar:4.0.10.Final]
  at com.cluster.router.jgroups.ClusterRouterChannel.channelDisconnected(ClusterRouterChannel.java:267) [com.cluster.router.jgroups_3.7.4.JGROUPLCM-SNAPSHOT.jar:na]
  at org.jgroups.JChannel.lambda$notifyChannelDisconnected$2(JChannel.java:1151) [jgroups-4.0.10.Final.jar:4.0.10.Final]
  at java.util.concurrent.CopyOnWriteArrayList.forEach(CopyOnWriteArrayList.java:891) ~[na:1.8.0_152]
  at java.util.concurrent.CopyOnWriteArraySet.forEach(CopyOnWriteArraySet.java:404) ~[na:1.8.0_152]
  at org.jgroups.JChannel.notifyListeners(JChannel.java:1161) [jgroups-4.0.10.Final.jar:4.0.10.Final]
  at org.jgroups.JChannel.notifyChannelDisconnected(JChannel.java:1151) [jgroups-4.0.10.Final.jar:4.0.10.Final]
  at org.jgroups.JChannel.disconnect(JChannel.java:477) [jgroups-4.0.10.Final.jar:4.0.10.Final]
  at org.jgroups.JChannel._close(JChannel.java:1102) [jgroups-4.0.10.Final.jar:4.0.10.Final]
  at org.jgroups.JChannel.close(JChannel.java:495) [jgroups-4.0.10.Final.jar:4.0.10.Final]
  
  Getting warning while stopping the application on one of my custer node
  https://sourceforge.net/p/javagroups/discussion/18794/thread/f4a15b3b/?limit=25#1cc2
  
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  --
  Bela Ban | http://www.jgroups.org
  
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Abhijeet - 2018-05-28

Hello Expert,

We are getting exception when close the JChannel. [4.0.10.Final]
We didnt get any exception when using Channel [3.4.3.Final]
Are we missing something

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Abhijeet - 2018-05-30

Thanks Bela Ban for your response.
Appreciate your help :)

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