FW: Problem with blocking in sendReceiveTimeout

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Med venlig hilsen / Kind Regards, 
 
Henrik Hald Nørgaard
Udvikler
  
Livjægergade 17A
DK-2100 Copenhagen Ø
 
E-mail:  [email protected]
Mobile: +45 2949 2838
Phone: +45 3370 1421
Fax: +45 7027 2760
www.realtime.dk 
 
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>  -----Original Message-----
> From: 	Henrik Nørgaard  
> Sent:	14. december 2004 12:01
> To:	'[email protected]'
> Subject:	Problem with blocking in sendReceiveTimeout
> 
> Hi Corba-experts.
> 
> I have a problem with a Corba-server, that tends to block as shown in the following stacktrace:
> 
> "Thread-38326" daemon prio=5 tid=0x02d57e58 nid=0x4d76 waiting for monitor entry [8e9d1000..8e9d19c8]
>         at com.ooc.CORBA.GIOPClientWorkerBlocking.sendReceiveTimeout(GIOPClientWorkerBlocking.java:62)
>         - waiting to lock <0xa1b9cc40> (a com.ooc.CORBA.GIOPClientWorkerBlocking)
>         at com.ooc.CORBA.GIOPClient.request(GIOPClient.java:293)
>         at com.ooc.CORBA.Request.invoke(Request.java:275)
>         at com.ooc.CORBA.Delegate.non_existent(Delegate.java:231)
>         at org.omg.CORBA.portable.ObjectImpl._non_existent(ObjectImpl.java:74)
>         at dk.realtime.duckling.backend.ServerHelper$ServerRunner.run(ServerHelper.java:108)
>         at java.lang.Thread.run(Thread.java:534)
> 
> I call _non_existent to check the server before calling a business-method on the Corba-object, but when the system is loaded this sometimes takes much longer than usual (several seconds) and once in a while everything seems to stop and all threads block in the above method call.
> 
> What is the problem? And what can be done to resolve it?
> 
> Med venlig hilsen / Kind Regards, 
>  
> Henrik Hald Nørgaard
> Udvikler
>   
> Livjægergade 17A
> DK-2100 Copenhagen Ø
>  
> E-mail:  [email protected]
> Mobile: +45 2949 2838
> Phone: +45 3370 1421
> Fax: +45 7027 2760
> www.realtime.dk 
>  
> Notice of Confidentiality
> This e-mail (and its attachment(s) if any) is intended for the named addressee(s) only. It contains information which may be confidential and which may also be privileged. Unless you are the named addressee (or authorised to receive it for the addressee) you may not read, copy or use it, or disclose it to anyone else. Unauthorised use, copying or disclosure is strictly prohibited and may be unlawful.
> 
> 
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