<AWT Dev> Fwd: "libjawt.so" not loaded by Java 7

[Kelly O'Hair]

FYI...

-kto

Begin forwarded message:

> From: Dr Andrew John Hughes <ahughes at redhat.com>
> Date: August 3, 2011 7:37:37 AM GMT+02:00
> To: Kapta Ulo <ulo_kapta at hotmail.com>
> Cc: jdk7-dev at openjdk.java.net
> Subject: Re: "libjawt.so" not loaded by Java 7
> 
> On 09:45 Tue 02 Aug     , Kapta Ulo wrote:
>> 
>> Hi,
>> The Java 7 release seems to have broken the LWJGL project on Linux, it no longer works and complains that "libjawt.so" is not loaded. The project has been calling the following method: java.awt.Toolkit.getDefaultToolkit(); to ensure that this native file is loaded, this has worked fine for the last 6 or so years. There seems to have been some internal change which causes this to break. Any idea's on what it could be and how to fix this?
>> There is some more information on the LWJGL forum here http://lwjgl.org/forum/index.php/topic,4085.0.html
>> Some people have found a workaround using "sudo ldconfig /opt/java/jre/lib/amd64/" which they claim allows it to work as before, but doesn't really explain why its failing, any idea's or pointers would be appreciated.
> 
> If adding the library on the system library path is fixing it, it could be related to:
> 
> 6367077: Purge LD_LIBRARY_PATH usage from the launcher
> http://hg.openjdk.java.net/jdk7/jdk7/jdk/rev/de45eac5670e
> 
> 'Previously the launcher modified the LD_LIBRARY_PATH appropriately for the
> desired data model path, regardless if data models matched or not. The
> launcher subsequently exec'ed the desired executable, in order to make the
> LD_LIBRARY_PATH path available for the runtime linker. This is no longer the
> case, the launcher dlopens the target libjvm.so. All other required
> libraries are loaded by the runtime linker, by virtue of the $ORIGIN paths
> baked into the shared libraries, by the build infrastructure at compile time.'
> 
> Have you only seen this with LWJGL i.e. can other Java applications find libjawt.so?
> 
>> Thanks
>> Kapta 		 	   		  
> 
> -- 
> Andrew :)
> 
> Free Java Software Engineer
> Red Hat, Inc. (http://www.redhat.com)
> 
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