On Feb 24, 2009, at 5:26 AM, Hearty wrote:
Hi
I am getting an error as follows
java.lang.UnsatisfiedLinkError: lic (Library is already loaded in
another
ClassLoader)
This is happening when I stopping the application and start it again.
[apache geronimo is running,
I am only stopping/starting application by using the admin console]
The lic.jar is present within the repository folder. The jar file is
internally referring a dll file.
Please give me a valid solution to resolve this issue?
I don't spend much time with native methods, but IIUC this will only
work once your original application ClassLoader has been GC'ed. So,
there are a couple of issues:
1) GC is an asynchronous process. There's no guarantee that GC will
have run before your restart your app
2) Last week, Janko noted a problem where in some scenarios, we might
not GC the first application ClassLoader. I haven't had time to
investigate this, yet. But if it's affecting you, then you'll never be
able to restart your application.
So, the way to avoid this problem is to put lic.jar in a classloader
that's separate from your application. You can do this by creating
your own classloader (best to create a geronimo plugin for this) and
add a dependency to your geronimo deployment plan or use sharedlib:
place lic.jar in var/shared/lib and add a dependency to sharedlib in
your geronimo deployment plan:
<dependencies>
<dependency>
<groupId>org.apache.geronimo.configs</groupId>
<artifactId>sharedlib</artifactId>
</dependency>
</dependencies>
--kevan
