IBM Mainframe Forum

by **jcdm** » Mon Oct 24, 2022 2:35 pm

Hello everybody, I am learning about java execution on IMS region, but I am stopped in this point.

I create a PSB called PRUEBAJC
I Create a Hello world pgm in /u/ibmuser/javajc

PRUEBAJC.class
PRUEBAJC.jar
PRUEBAJC.java

(I am not sure about package line: u.ibmuser.javajc)

Select all

package u.ibmuser.javajc;                         
public class PRUEBAJC {                           
    public static void main( String Ý~ args) {    
        System.out.println("Hola, amigo");        
    }                                             
}                                                

DFSJVMMS Proclib member:

Select all

-Djava.class.path=>                                   
/usr/lpp/java/J8.0:>                                  
/usr/lpp/java/J8.0/lib:>                              
/usr/lpp/ims/ims15/imsjava/imsudb.jar:>               
/usr/lpp/ims/ims15/imsjava/imsutm.jar:>               
/usr/lpp/ims/ims15/imsjava/samples/OpenDBIVP.jar:>    
/u/ibmuser/javajc/PRUEBAJC.jar:                       
-Xmx128M                                              

DFSJVMEV

Select all

LIBPATH=>                         
/usr/lpp/java/J8.0/lib/s390/j9vm:>
/usr/lpp/java/J8.0/lib/s390:>     
/usr/lpp/java/J8.0/lib:>          
/usr/lpp/ims/ims15/imsjava/lib:  

DFSJVMAP

Select all

PRUEBAJC=u/ibmuser/javajc/PRUEBAJC

and I got this issue:

Select all

java.lang.NoClassDefFoundError: u.ibmuser.javajc.PRUEBAJC               
Caused by: java.lang.ClassNotFoundException: u.ibmuser.javajc.PRUEBAJC  
 at java.net.URLClassLoader.findClass(URLClassLoader.java:610)          
 at java.lang.ClassLoader.loadClassHelper(ClassLoader.java:942)         
 at java.lang.ClassLoader.loadClass(ClassLoader.java:887)               
 at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)       
 at java.lang.ClassLoader.loadClass(ClassLoader.java:870)              

Could someboby please help to see whats wrong? Thanks in advance.

by **jcdm** » Mon Oct 24, 2022 6:10 pm

Sorry, solved modifying DFSJVMMS

Select all

/u/ibmuser/javajc

IBM Mainframe Forum

Issue executing java trx on IMS region

Issue executing java trx on IMS region

Re: Issue executing java trx on IMS region