UnsatisfiedLinkError loading the MapScript Java library

[Umberto Nicoletti]

Try to recompile mapserver without jpeg support and see if that works.
You should still be able to produce jpg images through gd.

Umberto

On 6/25/07, Steve-e-b <sbattey at dottedeyes.com> wrote:
> I am compiling MapServer v4.8.4 using FWTools v1.3.2 for our webapp running
> in Tomcat 5.5.17 and using Java 1.5.0_07 on Linux. When I try to load
> MapScript Java I get the following error message:
>
> java.lang.UnsatisfiedLinkError:
> /usr/local/mapserver-4.8.4/mapscript/java/libmapscript.so:
> /root/rmx/FWTools/lib/libtiff.so.3: undefined symbol: jpeg_resync_to_restart
>         at java.lang.ClassLoader$NativeLibrary.load(Native Method)
>         at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1751)
>         at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1676)
>         at java.lang.Runtime.loadLibrary0(Runtime.java:822)
>         at java.lang.System.loadLibrary(System.java:992)
>
> The jpeg_resync_to_restart symbol is defined in the libjpeg library.
> I noticed that the JRE has its own libjpeg.so file which takes precedence
> over the libjpeg.so file in FWTools. So I replaced the JRE's libjpeg.so file
> with the libjpeg.so file in FWTools. This fixes the error message above, the
> MapScript Java library loads okay but then the JVM crashes at random
> intervals - probably due to the libjpeg library being replaced.
>
> Has any one encountered this error message before?
> It suggests there is a conflict between the libjpeg library required by the
> JRE and the libjpeg library required by FWTools. I really want to avoid
> having to compile the individual libraries provided by FWTools. Are there
> any known compatibility issues between specific versions of JREs and
> FWTools?
> --
> View this message in context: http://www.nabble.com/UnsatisfiedLinkError-loading-the-MapScript-Java-library-tf3975878.html#a11285812
> Sent from the Mapserver - User mailing list archive at Nabble.com.
>