JNI_CreateJavaVM method crashed

Question

I m trying to Invoke Java from Cpp code for a certain application.
I m using JDK 1.5
Please Help me in sorting out the problem.
Thank u in advance
I m posting the sample code which i tried
#include "jni.h"
#include <dlfcn.h>
#include <link.h>
#include <iostream>
using namespace std;
void *g_handle_open = NULL;
JavaVM *g_Jvm     = NULL;     
typedef int (JNICALL JCF_CREATE_JAVA_VM)(JavaVM *, void **, JavaVMInitArgs *);
struct JCFJAVA
JNIEnv *env;          // JNI interface pointer
jclass jclsClass;     // Java class object
jmethodID jmid;          // Method ID
jobjectArray jObjArgs; // JavaVM option
jint jnReturnFlag;          // Return value of method of Java
main()
int ret_jvmInvoke =0;
JCFJAVA *r_stobject;
JavaVMInitArgs stVM_args;
JavaVMOption stJVMPptions[1] =
     {   NULL,                              
char pszJvm_path[]="/opt/jp1imm/bin/jre/lib/sparc/client/libjvm.so";
// libjvm.so is present in the above mentioned in the path
g_handle_open = dlopen(pszJvm_path, RTLD_LAZY);
if (g_handle_open == NULL)
cout << "g_handle_open NULL" << endl;
JCF_CREATE_JAVA_VM jcfJNICreateJavaVM = (JCF_CREATE_JAVA_VM) dlsym(g_handle_open,"JNI_CreateJavaVM");
stJVMPptions[0].optionString = "-XX:+AllowUserSignalHandlers";
stVM_args.nOptions = 1;
stVM_args.version = JNI_VERSION_1_4;
stVM_args.options = stJVMPptions;
stVM_args.ignoreUnrecognized = JNI_TRUE;
ret_jvmInvoke = jcfJNICreateJavaVM(&g_Jvm, (void**)&(r_stobject->env), &stVM_args);
cout << ret_jvmInvoke << endl;
Error Message
bash-2.05b# ./a.out
# An unexpected error has been detected by HotSpot Virtual Machine:
# SIGSEGV (0xb) at pc=0x00000000, pid=18759, tid=1
# Java VM: Java HotSpot(TM) Client VM (1.5.0_01-b05 mixed mode, sharing)
# Problematic frame:
[error occurred during error reporting, step 60, id 0xb]
# An error report file with more information is saved as hs_err_pid18759.log
# If you would like to submit a bug report, please visit:
# http://java.sun.com/webapps/bugreport/crash.jsp
Abort (core dumped)
Core Details
ash-2.05b# pstack core
core 'core' of 18752: ./a.out
ff03cdcc lwpkill (6, 0, ff0219cc, 42844, ff064224, 6) + 8
fefbdd58 abort (416d8, 1, fecbe7cc, a65d0, ff067218, 0) + 110
febb93f4 __1cCosFabort6Fi_v_ (1, 4e44, fec5c, 1d6, fecb8000, 4c00) + 58
fec322f8 __1cHVMErrorOreport_and_die6M_v_ (0, fecd5f20, 4000, febbcaf4, fec381e2, febbcaf4) + c6c
fec326dc __1cNcrash_handler6FipnHsiginfo_pv_v_ (b, 0, ffbfd1e8, 1, ffbfd56d, ffbfd571) + 44
ff03bee4 __sighndlr (b, 0, ffbfd1e8, fec32698, 0, 1) + c
ff031318 call_user_handler (b, ffbffeff, 4, ffff, ff3a2000, ffbfd1e8) + 3b8
fec0b150 __1cIUniverseIprint_on6FpnMoutputStream__v_ (0, ffbfd770, 3d68, acee8, 0, 3c00) + 44
fec31494 __1cHVMErrorGreport6MpnMoutputStream__v_ (ffbfd770, be, ffbfe840, 1, feca2ce8, 7d0) + aac
fec31c3c __1cHVMErrorOreport_and_die6M_v_ (ffbfd840, fecd5f20, fecd5f58, 0, 4000, ffbfe840) + 5b0
fec326dc __1cNcrash_handler6FipnHsiginfo_pv_v_ (b, 0, ffbfd9d8, 1, 0, 0) + 44
ff03bee4 __sighndlr (b, 0, ffbfd9d8, fec32698, 0, 1) + c
ff031318 call_user_handler (b, ffbffeff, 4, ffff, ff3a2000, ffbfd9d8) + 3b8
fea9acb4 __1cFframeOprint_on_error6kMpnMoutputStream_pcii_v_ (ffbfdf68, feccd77c, fecdea28, 7d0, ffbfdef0, 0) + 38
fec30c60 __1cHVMErrorGreport6MpnMoutputStream__v_ (ffbfdf68, 0, ffbfe840, feca6ac1, feca2ce8, 7d0) + 278
fec31c3c __1cHVMErrorOreport_and_die6M_v_ (ffbfe038, fecd5f20, fecd5f58, 4028, 5, ffbfe840) + 5b0
fec326dc __1cNcrash_handler6FipnHsiginfo_pv_v_ (b, 0, ffbfe1d0, 1, 0, 0) + 44
ff03bee4 __sighndlr (b, 0, ffbfe1d0, fec32698, 0, 1) + c
ff031318 call_user_handler (b, ffbffeff, 4, ffff, ff3a2000, ffbfe1d0) + 3b8
fea9acb4 __1cFframeOprint_on_error6kMpnMoutputStream_pcii_v_ (ffbfe798, feccd77c, fecdea28, 7d0, ffbfe6e8, 0) + 38
fec30c60 __1cHVMErrorGreport6MpnMoutputStream__v_ (ffbfe798, 0, ffbfe840, feca6ac1, feca2ce8, 7d0) + 278
fec31a74 __1cHVMErrorOreport_and_die6M_v_ (ffbfe840, fecd5f20, 0, 0, 5834, 0) + 3e8
fe9ff2f0 JVM_handle_solaris_signal (b, ffbfecc0, ffbfea08, 5000, 4, 439b0) + 9e8
ff03bee4 __sighndlr (b, ffbfecc0, ffbfea08, fe9fe8e8, 0, 1) + c
ff031318 call_user_handler (b, ffbffeff, c, 0, ff3a2000, ffbfea08) + 3b8
00000000 ???????? (445b8, 45698, fdc7d5a3, 45324c, 0, fdcb8000) + ffffffff00fcf0a0
fd86e8ec JVM_RawMonitorCreate (5a24, 44976c, fe7b0224, 5800, fdcb8000, 445b8) + 64
fe7a219c ???????? (0, 190, 0, fe7b0000, de98, 0) + f33914
fe7a1e38 ???????? (ffbff3a8, ffbff39c, 0, 0, 0, 6224) + f335b0
fe7a1dfc ZIP_Open (ffbff3a8, ffbff39c, 43f78, fecd36e4, 4a68, 43f70) + 14
fe86e6cc __1cLClassLoaderXcreate_class_path_entry6FpcnEstat_ppnOClassPathEntry__v_ (21b20, fed82140, ffbff894, fecc7fd4, 178c, 5c10) + 25c
fe86e290 __1cLClassLoaderbBsetup_bootstrap_search_path6F_v_ (e8, 449e74, fe86da70, ffbff898, fecb8000, 0) + 110
fe86d908 __1cLClassLoaderKinitialize6F_v_ (feccb4c0, 0, ffbff984, fecc7ff8, fec60754, b) + 184
fe867420 __1cMinit_globals6F_i_ (ffbffb10, 439b0, 43f78, 0, 0, 43f70) + 1c
fe859d78 __1cHThreadsJcreate_vm6FpnOJavaVMInitArgs_pi_i_ (38c, ffbffbcc, 439b0, fec9b671, 7f92e3, 7f9d10) + 454
fe8596f4 JNI_CreateJavaVM (216e4, ff3a0740, ffbffcb4, 1, 21404, 45e9ac) + ac
00011190 main (1, ffbffd34, ffbffd3c, 21400, 0, ff3a0740) + e8
00010c78 _start   (0, 0, 0, 0, 0, 0) + 108                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           

Answer 1

marko999,
I'm trying to do the same thing your doing. Here is my C code...
#include <stdio.h>
#include <jni.h>
#ifdef _WIN32
#define PATH_SEPARATOR ';'
#else
#define PATH_SEPARATOR ':'
#endif
int main()
JavaVMOption options[1];
JNIEnv *env;
JavaVM *jvm;
JavaVMInitArgs vm_args;
long status;
jclass cls;
jmethodID mid;
jint square;
jboolean not;
options[0].optionString = "-Djava.class.path=.";
memset(&vm_args, 0, sizeof(vm_args));
vm_args.version = JNI_VERSION_1_4;
vm_args.nOptions = 1;
vm_args.options = options;
status = JNI_CreateJavaVM(&jvm, (void**)&env, &vm_args);
Here is the command I'm using to compiling the code:
gcc -I/usr/java/include/
-I/usr/java/include/solaris
-L/usr/java/jre/lib/sparc/client/libjvm.so
Sample2.c -o Sample2
When I try to compile, I keep getting this error:
bash-2.03$ gcc -I/usr/java/include/ -I/usr/java/include/solaris -L/usr/java/jre/lib/sparc/client/libjvm.so Sample2.c -o Sample2
Undefined first referenced
symbol in file
JNI_CreateJavaVM /var/tmp/ccZPapf2.o
ld: fatal: Symbol referencing errors. No output written to Sample2
collect2: ld returned 1 exit status
Whats the command you used compile your c code?
Thanks for your advise