Re: client accessing remote EJB -(OEJP 2.0)

2008-07-18 Thread David Blevins


On Jun 24, 2008, at 12:32 PM, dnsunil wrote:


When accessing a remote EJB running on Websphere CE environment from a
standalone client on Windows 2003 server  throwing the below exception

Unknown Container Exception: java.rmi.RemoteException: Cannot read the
response from the server (OEJP/2.0) : null; nested exception is:
java.io.EOFException

Note:- File read/write process is being handled (approx 150 MB) and it
failed after 4 hours of processing giving the above exception.


Just a follow up note.  In the latest trunk code this issue has been  
completely fixed.  The client/server socket management code has been  
rewritten and now gives several times the throughput as the prior  
version.  In the 2.1 version remote client/server transactions per  
second (TPS) starts at around 600-700 TPS and tapers off after a few  
hours.  In the latest code we're seeing a sustained 7300 TPS over a 24  
hr period.


-David



Re: client accessing remote EJB -(OEJP 2.0)

2008-06-25 Thread David Blevins


On Jun 25, 2008, at 9:17 AM, dnsunil wrote:



Hi David,

NO LUCK!!!

As requested TcpTimedWaitDelay paramter value has been decreased  
from 4
minutes to 2 minutes and when run the program again the processing  
within 10

minutes.


I don't know if adjusting the TcpTimedWaitDelay from 4 minutes to 2  
minutes will do much good.  Try 30 seconds and also make sure to  
increase the MaxUserPorts to 65534.


So I'm still having same issue and not sure it could be problem with  
Windows
2003 server TCP IC handling by the server and appreciate all  
responses in

this regard.


If it doesn't work, definitely try on 2.1.1.  There were some  
improvements in the area of ejb request thread pooling, etc. that  
might affect this one way or another.


-David


dnsunil wrote:


Hi David,

Thanks for the response. Just wanted to confirm whether you  
requested to

increase/decrease the TcpTimedWaitDelay parameter?

Thanks,
Sunil N


dnsunil wrote:


Hi,

When accessing a remote EJB running on Websphere CE environment  
from a
standalone client on Windows 2003 server  throwing the below  
exception


Unknown Container Exception: java.rmi.RemoteException: Cannot read  
the

response from the server (OEJP/2.0) : null; nested exception is:
java.io.EOFException

Note:- File read/write process is being handled (approx 150 MB)  
and it

failed after 4 hours of processing giving the above exception.


Appreciate the response in this regard.










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Re: client accessing remote EJB -(OEJP 2.0)

2008-06-25 Thread dnsunil

Hi David,

NO LUCK!!! 

As requested TcpTimedWaitDelay paramter value has been decreased from 4
minutes to 2 minutes and when run the program again the processing within 10
minutes.

So I'm still having same issue and not sure it could be problem with Windows
2003 server TCP IC handling by the server and appreciate all responses in
this regard.

Thanks,
Sunil N




dnsunil wrote:
> 
> Hi David,
> 
> Thanks for the response. Just wanted to confirm whether you requested to
> increase/decrease the TcpTimedWaitDelay parameter? 
> 
> Thanks,
> Sunil N
> 
> 
> dnsunil wrote:
>> 
>> Hi,
>> 
>> When accessing a remote EJB running on Websphere CE environment from a
>> standalone client on Windows 2003 server  throwing the below exception
>> 
>> Unknown Container Exception: java.rmi.RemoteException: Cannot read the
>> response from the server (OEJP/2.0) : null; nested exception is:
>> java.io.EOFException
>> 
>> Note:- File read/write process is being handled (approx 150 MB) and it
>> failed after 4 hours of processing giving the above exception.
>> 
>> 
>> Appreciate the response in this regard.
>> 
>> 
>> 
>> 
>> 
> 
> 

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Re: client accessing remote EJB -(OEJP 2.0)

2008-06-25 Thread dnsunil

Hi David,

Thanks for the response. Just wanted to confirm whether you requested to
increase/decrease the TcpTimedWaitDelay parameter? 

Thanks,
Sunil N


dnsunil wrote:
> 
> Hi,
> 
> When accessing a remote EJB running on Websphere CE environment from a
> standalone client on Windows 2003 server  throwing the below exception
> 
> Unknown Container Exception: java.rmi.RemoteException: Cannot read the
> response from the server (OEJP/2.0) : null; nested exception is:
> java.io.EOFException
> 
> Note:- File read/write process is being handled (approx 150 MB) and it
> failed after 4 hours of processing giving the above exception.
> 
> 
> Appreciate the response in this regard.
> 
> 
> 
> 
> 

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Re: client accessing remote EJB -(OEJP 2.0)

2008-06-24 Thread David Blevins


On Jun 24, 2008, at 12:32 PM, dnsunil wrote:



Hi,

When accessing a remote EJB running on Websphere CE environment from a
standalone client on Windows 2003 server  throwing the below exception

Unknown Container Exception: java.rmi.RemoteException: Cannot read the
response from the server (OEJP/2.0) : null; nested exception is:
java.io.EOFException

Note:- File read/write process is being handled (approx 150 MB) and it
failed after 4 hours of processing giving the above exception.


Appreciate the response in this regard.


Crafted up a doc for you that hopefully has the right answer.

  http://cwiki.apache.org/GMOxDOC21/windows-remote-ejb-performance.html

Definitely let us know if it does the trick.

-David



client accessing remote EJB -(OEJP 2.0)

2008-06-24 Thread dnsunil

Hi,

When accessing a remote EJB running on Websphere CE environment from a
standalone client on Windows 2003 server  throwing the below exception

Unknown Container Exception: java.rmi.RemoteException: Cannot read the
response from the server (OEJP/2.0) : null; nested exception is:
java.io.EOFException

Note:- File read/write process is being handled (approx 150 MB) and it
failed after 4 hours of processing giving the above exception.


Appreciate the response in this regard.




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