Help needed for [ERROR] [lmv] Stack overflow; to increase the stack size, use the -Xss flag at startup (java -Xss1M ...)

2010-11-07 Thread Jeff Schwartz
When running in development mode I get the following error:

[ERROR] [lmv] Stack overflow; to increase the stack size, use the -Xss flag
at startup (java -Xss1M ...)

1) Is this error common or does it indicate something seriously wrong with
my application?

2) What  how do I configure to avoid this error?

Thanks in advance.

Jeff

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Re: Help needed for [ERROR] [lmv] Stack overflow; to increase the stack size, use the -Xss flag at startup (java -Xss1M ...)

2010-11-07 Thread Jeff Chimene
It's not an unusual condition. It is entirely possible that your compiled
project code exceeds the default stack allocation. One thing I've found is
that simply adding an element or two to a UI XML will cause this exception.
Increase the stack size. Also, this has been discussed previously on this
list.

Cheers,
jec


On Sun, Nov 7, 2010 at 8:10 AM, Jeff Schwartz jefftschwa...@gmail.comwrote:

 When running in development mode I get the following error:

 [ERROR] [lmv] Stack overflow; to increase the stack size, use the -Xss flag
 at startup (java -Xss1M ...)

 1) Is this error common or does it indicate something seriously wrong with
 my application?

 2) What  how do I configure to avoid this error?

 Thanks in advance.

 Jeff

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Re: Help needed for [ERROR] [lmv] Stack overflow; to increase the stack size, use the -Xss flag at startup (java -Xss1M ...)

2010-11-07 Thread Jeff Chimene
On 11/07/2010 09:17 AM, Jeff Schwartz wrote:
 Thanks, Jeff. I modified my run configuration in Eclipse adding -Xss1M
 (please see the attached image). I still get the same error. Also, using
 Google Reader I searched the group for similar messages but I couldn't
 find any.
 
 BTW I am running on Windows Vista and using Eclipse Helios.
 
 Maybe I am configuring this incorrectly. Any suggestions?
 
 Thanks.
 
 Jeff

I found this reference:
http://groups.google.com/group/google-web-toolkit/browse_thread/thread/79edcc887785a283

It talks about -Xmx, not -Xss

Have you tried increasing the -Xmx setting?

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Re: Help needed for [ERROR] [lmv] Stack overflow; to increase the stack size, use the -Xss flag at startup (java -Xss1M ...)

2010-11-07 Thread Jeff Schwartz
Thanks, Jeff. Xmx was and is currently set at 512m. I upped my stack memory
to 50m but still throws the same error.

Ideas, anyone?

Jeff

On Sun, Nov 7, 2010 at 12:22 PM, Jeff Chimene jchim...@gmail.com wrote:

 On 11/07/2010 09:17 AM, Jeff Schwartz wrote:
  Thanks, Jeff. I modified my run configuration in Eclipse adding -Xss1M
  (please see the attached image). I still get the same error. Also, using
  Google Reader I searched the group for similar messages but I couldn't
  find any.
 
  BTW I am running on Windows Vista and using Eclipse Helios.
 
  Maybe I am configuring this incorrectly. Any suggestions?
 
  Thanks.
 
  Jeff

 I found this reference:

 http://groups.google.com/group/google-web-toolkit/browse_thread/thread/79edcc887785a283

 It talks about -Xmx, not -Xss

 Have you tried increasing the -Xmx setting?

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-- 
Jeff

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Re: Help needed for [ERROR] [lmv] Stack overflow; to increase the stack size, use the -Xss flag at startup (java -Xss1M ...)

2010-11-07 Thread Jeff Schwartz
Resolved  my bad (head slapping sound)!

I fell for an old trap: I made numerous changes to my code and 1st test
raised the error. Instead of checking for the new code causing the problem I
believed the exception  I blamed the environment.

The short of it is that I refactored a class to use an adapter to make
handling the numerous events easier. The problem is that originally my class
implemented the event listener's interface methods, overriding all of them
but  when I refactored the class to use the new adapter I couldn't extend it
from the adapter because it already was extending Composite so instead I
in-lined it as follows:

someClass.addSomeListener(new SomeModifiedListenerAdapter(){

@Override
public void somethingCreated(SomethingCreatedEvent
somethingCreatedEvent) {
somethingCreated(somethingCreatedEvent);
}

});

My class already had a somethingCreated(SomethingCreatedEvent
somethingCreatedEvent) method which I originally implemented to override the
listener's interface method so when I refactored the code to use the adapter
I intended to reuse that method but I forgot to rename it - BINGO - hence
the stack overrun and the thrown error.

I've now renamed the method in my class to
_somethingCreated(somethingCreatedEvent) and corrected the code as follow:
someClass.addSomeListener(new SomeModifiedListenerAdapter(){

@Override
public void somethingCreated(SomethingCreatedEvent
somethingCreatedEvent) {
_somethingCreated(somethingCreatedEvent);
}

});

Of course this fixed the problem  I've reset my JVM  parameters back to the
state they were in prior to having been so stupid.

:)

Jeff

On Sun, Nov 7, 2010 at 3:28 PM, Jeff Schwartz jefftschwa...@gmail.comwrote:

 Thanks, Jeff. Xmx was and is currently set at 512m. I upped my stack memory
 to 50m but still throws the same error.

 Ideas, anyone?

 Jeff


 On Sun, Nov 7, 2010 at 12:22 PM, Jeff Chimene jchim...@gmail.com wrote:

 On 11/07/2010 09:17 AM, Jeff Schwartz wrote:
  Thanks, Jeff. I modified my run configuration in Eclipse adding -Xss1M
  (please see the attached image). I still get the same error. Also, using
  Google Reader I searched the group for similar messages but I couldn't
  find any.
 
  BTW I am running on Windows Vista and using Eclipse Helios.
 
  Maybe I am configuring this incorrectly. Any suggestions?
 
  Thanks.
 
  Jeff

 I found this reference:

 http://groups.google.com/group/google-web-toolkit/browse_thread/thread/79edcc887785a283

 It talks about -Xmx, not -Xss

 Have you tried increasing the -Xmx setting?

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 --
 Jeff




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Jeff

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