Re: [Wrapper-user] Stop Exception

[Thorsten K. <Th...@pl...>]

Hello Leif,

thanks for your quick answer.

Leif Mortenson schrieb:

> Thorsten,
>    I am afraid I have not seen this particular problem but I don't see 
> anything in the logs to
> suggest that is a Wrapper problem.   Turning on the wrapper.debug=true 
> property would
> shed a little more light on whether or not the Wrapper is responsible 
> but I doubt it.

Ok, then i know that I have the problem.

>
>    If looks like your hsql code is starting a shutdown.   This is 
> leading to a crash.   Are
> you using any native libraries besides the wrapper's?

No I don't only using the wrapper's native libs.

>
>    The most common way that I have seen to reliably reproduce crashes 
> is to copy new
> versions of a jar over jars being used by a running JVM.   The next 
> time the JVM tries
> to load a new class from the jar, the JVM will crash.   This happens 
> even without
> using the Wrapper and is clearly a Java bug.  Not sure if it is what 
> you are seeing though.

Yes this is a very good tip. For testing purposes we have ant scripts 
that copies new generated Jars into the server. Then we call a restart 
function.
We will check this.

Many thanks.

Thorsten


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Thorsten Kamann
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