Calling Prototyped (Homebrew) Java from RPGLE

I am working to get an RPGLE to call a prototyped JAVA program. I've
searched the archives and found a post from Mike E back in 2002 about a
similar problem. He apeared to get it working but I cannot. I have read
chapter 11 in the user guide called RPG and Java (or something like that)
linked in the 2002 thread by Barbra Morris I believe about prototyping java
calls in rpg. Does anyone see anything wrong with what I am listing below??

Here is my prototype


**********************************************************************
      *  getKeyByNumber returns the project key
      *    I am getting an error evertime saying the class is not found.

**********************************************************************
     D getKeyByNumber  pr            10i 0 ExtProc(*JAVA:
     D                                             'cmpapi':
     D                                             'getKeyByNumber')
     D                                             STATIC
     D  projectNumber                10i 0 Value

Here is the java method

      public static int getKeyByNumber(int projectNumber)

My current directory gets set in the front of the RPG app to the path where
the java app lives with QCMDEXC

      CHGCURDIR DIR('/QIBM/UserData/runjava/')

My CLASSPATH envvar gets set at the front of the RPG app as well

      ADDENVVAR ENVVAR(CLASSPATH) VALUE('.:/QIBM/UserData/runjava/')
REPLACE(*YES)

Here is the location of my java program (1.1.1.1 reperesents the IP to our
development machine running V5R4)

      \\1.1.1.1\root\QIBM\UserData\runjava

Here is the Message I get when I run this in debug

      Message ID . . . . . . :   RNX0301
      Message . . . . :   Java exception received when calling Java method.
      Cause . . . . . :   RPG procedure JAVATEST in program DSLIB/JAVATEST
received
        Java exception "java.lang.NoClassDefFoundError: cmpapi" when
calling method
        "getKeyByNumber" with signature "(I)I" in class "cmpapi".

Here is the result of running javap -s cmpapi from qshell

      public static int getKeyByNumber(int);
        Signature: (I)I


One thing that I have tried different is using a .class file as well as
trying a .jar. I think that it is the .class file that I am suposed to be
putting in  \\1.1.1.1\root\QIBM\UserData\runjava since that is the only one
that will work with the javap -s call to get the signatures. However I am
not sure. I do not see this mentioned in the manual, but it of course could
be something that a real java programmer would know first hand.

Can someone show a working example of calling a homebrew java app from RPG?
All of the examples I see call java.lang.* or java.math.*, which of course
I can get to work just fine. I just cannot get my own stuff to work.

Thanks in advance.

Robert Newton
EDPS
Electronic Data Processing Services
Software Engineer
rnewton@xxxxxxxxxxxxxxxxx

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