Re: [Wrapper-user] unable to load native library on AIX

[First L. <san...@ya...>]

Leif,
 
I checked whether our AIX machine is running in 64-bit mode and indeed it is.
Apparently one of my colleagues needed 64-bit mode for testing purposes and therefore
switched the machine to 64-bit mode.
 
So, the problem that the libwrapper.so library cannot be loaded is probably caused by this.
 
But, apart from that, I still have problems shutting down my application in a normal clean way.
Only "kill -9" can bring the application down.
 
I thought this had to do with the libwrapper.so issue, but because that seems to be caused by the 64-bit mode, it's probably something else that is causing this.
 
thanks,
 
Santo

Leif Mortenson <le...@ta...> wrote:
Santo,
I am not familiar with AIX personally. It is built by a user who 
donates their time.
This problem has been seen on other platforms however when a 32-bit 
version of
the Wrapper is run with a 64-bit JVM. The Wrapper binary works fine as 
it is a
separate process. But the native library is not able to be loaded due 
to linking
problems.
The other possible causes, a bad so file and file permissions, have 
already been
checked by you.

You might want to try running with "-verbose:jni -Xcheck:jni" set 
when launching
the JVM. That might (??) give you a little more information.

Cheers,
Leif

First Last wrote:

> Hi,
> 
> I'm using the java service wrapper on several platforms (windows, 
> solaris and aix).
> On the aix platform, I get the following error:
> 
> STATUS | wrapper | 2005/06/14 11:37:29 | --> Wrapper Started as Daemon
> STATUS | wrapper | 2005/06/14 11:37:29 | Launching a JVM...
> INFO | jvm 1 | 2005/06/14 11:37:30 |
> INFO | jvm 1 | 2005/06/14 11:37:30 | WARNING - Unable to load the 
> Wrapper's native library 'libwrapper.so'.
> INFO | jvm 1 | 2005/06/14 11:37:30 | The file is 
> located on the path at the following location but
> INFO | jvm 1 | 2005/06/14 11:37:30 | could not be loaded:
> INFO | jvm 1 | 2005/06/14 11:37:30 | 
> /TivoliNotFwk/dman/bin/aix/./libwrapper.so
> INFO | jvm 1 | 2005/06/14 11:37:30 | Please verify that 
> the file is readable by the current user
> INFO | jvm 1 | 2005/06/14 11:37:30 | and that the file 
> has not been corrupted in any way.
> INFO | jvm 1 | 2005/06/14 11:37:30 | System signals 
> will not be handled correctly.
> INFO | jvm 1 | 2005/06/14 11:37:30 |
> INFO | jvm 1 | 2005/06/14 11:37:30 | Wrapper (Version 3.1.2) 
> http://wrapper.tanukisoftware.org
> 
> Despite the error, the application gets started, but we are not able 
> to shut it down in a normal way (only with kill -9)
> 
> I already tried to redownload the wrapper files, changing the file 
> permissions, but nothing helps.
> Seems like the native library is corrupt in some way ?
> 
> I'm using v3.1.2 (as far as I know that's the most recent version)
>
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