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From "Ian Emmons (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DAEMON-281) Jsvc not loading correct shared lib for Java 7 on MacOS
Date Thu, 28 Feb 2013 19:03:14 GMT
Ian Emmons created DAEMON-281:
---------------------------------

             Summary: Jsvc not loading correct shared lib for Java 7 on MacOS
                 Key: DAEMON-281
                 URL: https://issues.apache.org/jira/browse/DAEMON-281
             Project: Commons Daemon
          Issue Type: Bug
          Components: Jsvc
    Affects Versions: 1.0.13
         Environment: MacOS 10.8.2 with Java 7:

$ java -version
java version "1.7.0_15"
Java(TM) SE Runtime Environment (build 1.7.0_15-b03)
Java HotSpot(TM) 64-Bit Server VM (build 23.7-b01, mixed mode)
            Reporter: Ian Emmons


When I try to run my program via jsvc, it complains:

Cannot find any VM in Java Home <<JAVA_HOME>>
Cannot locate JVM library file

where <<JAVA_HOME>> is set to

/Library/Java/JavaVirtualMachines/jdk1.7.0_15.jdk/Contents/Home

The -debug switch shows jsvc searching for several shared libraries in the folder

  $JAVA_HOME/../Libraries/

However, with Java 1.7 this folder does not exist, and jsvc should be trying to load this:

  $JAVA_HOME/jre/lib/server/libjvm.dylib

If I change JAVA_HOME to point to Apple's Java 1.6, then jsvc successfully finds the JVM shared
library.

Note:  I built jsvc myself with no problems, and the output of the build makes it clear that
it used the Java 7 JNI headers in the compilation.

Background:  Apple has deprecated Java 1.6.  It not longer is present unless the user explicitly
installs it, and recent OS updates have disabled the browser plugin and removed the Java control
panel.  Apple is pushing customers toward's Oracle's Java 1.7.

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