[Red5] Bug or Stupidity: SharedObject.getStatistics() throws exception

[Thomas Auge]

To answer my own question (again): This happens if the shared object 
does not exist. It's only supposed to be created if sos.getSharedObject 
is called with the third parameter (persistent or not).


Thomas Auge wrote:
> Hi all,
> 
> This function:
> 
>          public int numClients(String soname)
>          {
>                  Red5 r5 = new Red5();
>                  IScope scope = r5.getScope();
>                  ISharedObjectService sos = new SharedObjectService();
>                  ISharedObject so = sos.getSharedObject(scope, soname);
>                  ISharedObjectStatistics sostat = so.getStatistics();
>                  return sostat.getActiveListeners();
>          }
> 
> 
> Gets me this exception:
> 
> [ERROR] 2007-11-20 16:20:54,304 pool-3-thread-7:( 
> org.red5.server.service.ServiceInvoker.invoke ) Error executing call: 
> Service: null Met
> hod: numClients Num Params: 10: VAGallg
> [ERROR] 2007-11-20 16:20:54,304 pool-3-thread-7:( 
> org.red5.server.service.ServiceInvoker.invoke ) Service invocation error
> java.lang.reflect.InvocationTargetException
>          at sun.reflect.GeneratedMethodAccessor14.invoke(Unknown Source)
>          at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>          at java.lang.reflect.Method.invoke(Method.java:597)
>          at 
> org.red5.server.service.ServiceInvoker.invoke(ServiceInvoker.java:217)
>          at 
> org.red5.server.service.ServiceInvoker.invoke(ServiceInvoker.java:123)
>          at 
> org.red5.server.net.rtmp.RTMPHandler.invokeCall(RTMPHandler.java:163)
>          at 
> org.red5.server.net.rtmp.RTMPHandler.onInvoke(RTMPHandler.java:431)
>          at 
> org.red5.server.net.rtmp.BaseRTMPHandler.messageReceived(BaseRTMPHandler.java:143)
>          at 
> org.red5.server.net.rtmp.RTMPMinaIoHandler.messageReceived(RTMPMinaIoHandler.java:120)
>          at 
> org.apache.mina.common.support.AbstractIoFilterChain$TailFilter.messageReceived(AbstractIoFilterChain.java:570)
>          at 
> org.apache.mina.common.support.AbstractIoFilterChain.callNextMessageReceived(AbstractIoFilterChain.java:299)
>          at 
> org.apache.mina.common.support.AbstractIoFilterChain.access$1100(AbstractIoFilterChain.java:53)
>          at 
> org.apache.mina.common.support.AbstractIoFilterChain$EntryImpl$1.messageReceived(AbstractIoFilterChain.java:648)
>          at 
> org.apache.mina.filter.executor.ExecutorFilter.processEvent(ExecutorFilter.java:220)
>          at 
> org.apache.mina.filter.executor.ExecutorFilter$ProcessEventsRunnable.run(ExecutorFilter.java:264)
>          at 
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>          at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>          at java.lang.Thread.run(Thread.java:619)
> Caused by: java.lang.NullPointerException
>          at org.red5.camChat.Application.numClients(Application.java:156)
>          ... 18 more
> 
> 
> 
> Line 156 is "ISharedObjectStatistics sostat = so.getStatistics();".
> Using 0.6.3 with JDK 1.6.0_05
> 
> Is it me or is this a bug?
> 
> Thanks,
> 
> Thomas
> 
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