JVM RunUnit - Call (String, Object []) Problem

Hello out there ...

I have the following JVM Cobol Programm "XUSERVG" (compiled with ILSMARTLINKAGE) ... stub below :

LINKAGE SECTION.
*----------------

01 SL-EXT-UEBERGABE PIC 9(7).
01 S-EXT-UEBERGABE.
 02 SHARK-LEN PIC X(2).
 02 EXT-UEBERGABE PIC X(50).

01 SL-USERVG-IO PIC 9(7).
01 S-USERVG-IO.
 02 SHARK-LEN PIC X(2).
 02 USERVG-IO PIC X(4085).


PROCEDURE DIVISION
USING
BY VALUE SL-EXT-UEBERGABE
BY REFERENCE S-EXT-UEBERGABE
BY VALUE SL-USERVG-IO
BY REFERENCE S-USERVG-IO.


The Call in Java looks like :

int SExtUebergabeLen = 815;
SExtUebergabe sExtUebergabe = new SExtUebergabe();
int SUservgIoLen = 4711;
SUservgIo sUservgIo = new SUservgIo();

XUSERVG xuservg = new XUSERVG ();

RunUnit runUnit = new RunUnit();

runUnit.Add((IObjectControl) xuservg);

// retValue = xuservg.XUSERVG(SExtUebergabeLen, sExtUebergabe, SUservgIoLen, sUservgIo);

Object params [] = {SExtUebergabeLen, sExtUebergabe, SUservgIoLen, sUservgIo};
retValue = runUnit.Call("de.lv1871.cobol.XUSERVG", params);

runUnit.StopRun();

The "direct" call to xuservg.XUSERVG (...) works like a charm. But using runUnit.Call ("de.lv1871.cobol.XUSERVG", params)
results in :

com.microfocus.cobol.program.COBOLProgramCallException: 181 Invalid parameter error [package de.lv1871.cobol.XUSERVG]
(argument type mismatch)
at com.microfocus.cobol.program.ProcedurePointer.callReturningObject(Unknown Source)
at com.microfocus.cobol.program.ProcedurePointer.callReturningObject(Unknown Source)
at com.microfocus.cobol.runtime.core.RuntimeSessionManager.staticExecuteObject(Unknown Source)
at com.microfocus.cobol.runtime.core.RuntimeSessionManager.staticExecute(Unknown Source)
at com.microfocus.cobol.runtime.core.RuntimeSessionManager.execute(Unknown Source)
at com.microfocus.cobol.runtimeservices.RunUnit.Call(Unknown Source)
at de.lv1871.cobol.javastubs.Uservg.callProgram(Uservg.java:48)
at de.lv1871.cobol.junit.UservgTestcase.testUservg(UservgTestcase.java:27)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:30)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)
at org.junit.runners.ParentRunner.run(ParentRunner.java:300)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Caused by: java.lang.IllegalArgumentException: argument type mismatch
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
... 33 more

The documentation is now so helpfull on this topic. Maybe somebody has a clue what is going on.

Kind regards

Michael

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