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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 20182] - web application manager fails to reload
Date Fri, 23 May 2003 12:26:14 GMT
DO NOT REPLY TO THIS EMAIL, BUT PLEASE POST YOUR BUG 
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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=20182

web application manager fails to reload

remm@apache.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |INVALID



------- Additional Comments From remm@apache.org  2003-05-23 12:26 -------
There's an *explicit* note in the release notes (and it's the first item) about
the relationship between webapps and libraries loaded with JNI ...

So in your case, you should define your connection as global instead of local to
your context (that way, it will never be restarted).

-------------------------------------
Tomcat 5.0 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.

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