Name: laC46010 Date: 01/26/97



"java_g" fails to load shared library when "java" works fine.
See test below.

To run the test, set environment variables JH (Java home) and CC (C compiler)
and run "jnirun" script.

Log:

csh -x jnirun
setenv JH /export/ld32/jdk_1.1
setenv CC /export/ld4/set/dist/sparc-S2/SC4.2/bin/cc
/export/ld32/jdk_1.1/bin/javac -d . Test.java
/export/ld4/set/dist/sparc-S2/SC4.2/bin/cc -KPIC -G -I/export/ld32/jdk_1.1/include -I/export/ld32/jdk_1.1/include/solaris -o libtest.so dfcl00101.c
setenv LD_LIBRARY_PATH .:/opt/SUNWspro/lib:/usr/openwin/lib:/usr/ucblib
setenv CLASSPATH .
echo =================== Running java pack.Test
=================== Running java pack.Test
/export/ld32/jdk_1.1/bin/java pack.Test
Before loadLibrary
After loadLibrary
nativefunc works!!!
echo =================== Running java_g pack.Test
=================== Running java_g pack.Test
/export/ld32/jdk_1.1/bin/java_g pack.Test
Before loadLibrary
!!!java.lang.UnsatisfiedLinkError: no test in shared library path:no test in shared library path
Exception caught: java.lang.UnsatisfiedLinkError: nativefunc
echo .:/opt/SUNWspro/lib:/usr/openwin/lib:/usr/ucblib
.:/opt/SUNWspro/lib:/usr/openwin/lib:/usr/ucblib
/export/ld32/jdk_1.1/bin/java -version
java version "JDK1.1U"
uname -r
5.5


::::::::::::::
jnirun
::::::::::::::
#!/usr/bin/csh

#setenv JH /export/ld32/jdk_1.1
#setenv CC /export/ld4/set/dist/sparc-S2/SC4.2/bin/cc

$JH/bin/javac -d . *.java
$CC -KPIC -G -I$JH/include -I$JH/include/solaris -o libtest.so *.c
setenv LD_LIBRARY_PATH ".:$LD_LIBRARY_PATH"
setenv CLASSPATH .
echo "=================== Running java pack.Test"
$JH/bin/java pack.Test
echo "=================== Running java_g pack.Test"
$JH/bin/java_g pack.Test

echo $LD_LIBRARY_PATH
$JH/bin/java -version
uname -r

::::::::::::::
dfcl00101.c
::::::::::::::
/* Ident: %Z%%M% %I% %E% */
/* Copyright %G% Sun Microsystems, Inc. All Rights Reserved */

#include <stdio.h>
#include "jni.h"

#ifdef __cplusplus
extern "C" {
#endif

JNIEXPORT jint JNICALL
Java_pack_Test_nativefunc(JNIEnv *env, jobject obj)
 {
  puts("nativefunc works!!!");
return 1;
 }
#ifdef __cplusplus
}
#endif

::::::::::::::
Test.java
::::::::::::::
// Ident: %Z%%M% %I% %E%
// Copyright %G% Sun Microsystems, Inc. All Rights Reserved

package pack;
public class Test {

  public native int nativefunc();

  static {
    try {
      System.out.println("Before loadLibrary");
      System.loadLibrary("test");
      System.out.println("After loadLibrary");
    } catch ( UnsatisfiedLinkError e ) {
      System.out.println("!!!" + e + ":" + e.getMessage());
    }
  }

  public static void main(String argv[])
  {
    Test tob = new Test();

    try {
      int res = tob.nativefunc();
    } catch (Throwable e) {
      System.out.println("Exception caught: "+e);
    }
  }
}

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