Hi all, I have read several message on this issue, and tried many solutions without a real success. Actually I can get it working but I am not happy with that way(explained below). I must admit that it is a mystery how native libraries are found in Tomcat. I am running tomcat 5.5.15 with Axis on Linux(FC5), and want to load a lib.so file.
My library libljackj.so is located under /usr/share/labjack When I start tomcat, I get the following message INFO: The Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: /usr/local/jdk1.5.0_06/jre/lib/i386/client:/usr/local/jdk1.5.0_06/jre/lib/i386:/usr/local/jdk1.5.0_06/jre/../lib/i386 So I copied my libljackj.so under /usr/local/jdk1.5.0_06/jre/lib/i386 and it seems to work, the library is loaded. I am not happy with that because I don't want to pollute my Java install dir with external libraries. So I decided to modify the java.library.path I tried two solutions: 1) modifying the /etc/tomcat5/tomcat5.conf and have added as advised in this file: LD_LIBRARY_PATH=/usr/share/labjack:$LD_LIBRARY_PATH export LD_LIBRARY_PATH When Tomcat starts I can see that the directory has been added to the java.library.path: INFO: The Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: /usr/local/jdk1.5.0_06/jre/lib/i386/client:/usr/local/jdk1.5.0_06/jre/lib/i386:/usr/local/jdk1.5.0_06/jre/../lib/i386:/usr/share/labjack: But when trying to load the library I get the standard error java.lang.UnsatisfiedLinkError: no ljackj in java.library.path at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1682) at java.lang.Runtime.loadLibrary0(Runtime.java:822) at java.lang.System.loadLibrary(System.java:992) 2)modifying the JAVA_OPTS with JAVA_OPTS="-Djava.library.path=/usr/share/labjack" $JAVA_OPTS When Tomcat starts I can see that the directory is in the java.library.path: INFO: The Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: /usr/share/labjack And again when trying to load the library I get the standard error java.lang.UnsatisfiedLinkError: no ljackj in java.library.path at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1682) at java.lang.Runtime.loadLibrary0(Runtime.java:822) at java.lang.System.loadLibrary(System.java:992) It is a real mystery why in the first case the library is loaded successfully while in both last case the lib is not found even if the java.library.path is correct. Thanks a lot for the help you can provide Regards Romain --------------------------------------------------------------------- To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]