How to unload library
Hi,
How to unload a library loaded by : System.load(...)?
Many thanks.
I don't think you can.
google?
You might be able to do something in JNI (have a wrapper library which can load/unload the actual library )?
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For how long the library Cache latch is hold.
Hi ,
For how long the library Cache latch is hold.
Is it hold , till the new sql is placed in the library cache
or
Till it got parsed
or
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Naveen.Hi ,
For how long the library Cache latch is hold.
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Folks,
I was wondering can anyone suggest how to unload a JSP application? Is there a command that I could use
to allow a user to exit the application??
I would be grateful for any help
PeterPeter,
You have to get your client/server model in your head straight. With JSP's you are talking about an "WEB-application". This means the application is running on a remote server (or local), and is accessed through a web browser on a client PC. Of course the running and configuration cannot be influenced from the client (but from using servlets on the server that have been designed to do so by the software dleiverer of the server (to make life easier), these are usually protected by passwords, so that not everybody can change the configuration of YOUR webserver and application server).
Unloading servlets is done by the AS (application server), when the AS is stopped or re-started.
If you want to make users "leave" the application. Re-root them to the home page set in the browser and clear the complete history in a javascript function (client side programming).
regards,
Jeroen. -
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How to unload dlls?????
Hi! All,
I have an applet which copies 3 dlls from the server
to c drive of the client hard disk. I'm loading one dll by
calling the method System.load("..."). This loaded library
inturn loads other two libraries natively in C++ code(in
JNI_OnLoad function using the LoadLibrary).
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Pavana ChandrashekarHi
I have the same problem too. In my case i cannot unload the dll using native method as the dll and the code that calls it will be a 3rd party stuff. I must be able to dynamically update the class and the dll..
here is my requirement
I want to be able to update a class that makes JNI calls dynamically .For this i have a custom classloader.The classloder successfully loads the native library the first time i run the class. On updating the class (i load a new instance of the classloader) i get the error message saying that the native library has already been loaded by another classloader instance. how can i unload the previous instance of the native library so that the update is successful..
Thanks in advance
sibi -
Hi All,
I load a library using System.loadLibrary(), then I want to unload it. How can I do this?
Thanks!>
2) If unloading the library is absolutely required
(some finalization code is executed only by unloading
the library, or you want to have several libraries
with the same Java interface), you could do this (I
presume that you are using Windows): write two
libraries, load the first from Java, and the second
must be loaded by the first. The first library can not
be unloaded, but the second may be unloaded by the
second. The second library can not be directly
accessed from Java - all Java accesses must be done by
the first one.Along those lines, I wonder if unloading a Java class (via a custom ClassLoader) would also unload a JNI DLL...
Never tried it - has anyone?
- K
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