What ClassLoader should load the java classes that contain JNI calls?
Currently the java classes that load the JNI calls are in the global web.xml file, in
the jsp servlet's classpath:
servlet
servlet-namejsp/servlet-name
servlet-classorg.apache.jasper.servlet.JspServlet/servlet-class
init-param
param-namelogVerbosityLevel/param-name
param-valueDEBUG/param-value
/init-param
init-param
param-nameclasspath/param-name
param-value/appl/rware69/rware/lib/:/appl/rware69/rware/web/java/rwjavah
l.jar/param-value
/init-param
init-param
param-namekeepgenerated/param-name
param-valuetrue/param-value
/init-param
load-on-startup3/load-on-startup
/servlet
The Tomcat docs have:
-
Tomcat 4.0 and JNI Based Applications:
-
Applications that require native libraries must ensure that the libraries have
been loaded prior to use. Typically, this is done with a call like:
static {
System.loadLibrary(path-to-library-file);
}
in some class. However, the application must also ensure that the library is
not loaded more than once. If the above code were placed in a class inside
the web application (i.e. under /WEB-INF/classes or /WEB-INF/lib), and the
application were reloaded, the loadLibrary() call would be attempted a second
time.
To avoid this problem, place classes that load native libraries outside of the
web application, and ensure that the loadLibrary() call is executed only once
during the lifetime of a particular JVM.
Any help would be appreciated.
Thanks
Brian Hanuska
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