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From "Jimmy, Jing Lv (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-3591) [classlib][nio] Can't run simple 3D HWA application using lwjgl library
Date Wed, 11 Apr 2007 08:12:32 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-3591?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12488020
] 

Jimmy, Jing Lv commented on HARMONY-3591:
-----------------------------------------

Hi Mikhail,
    The spec of JNI method GetDirectBufferAddress reads: "... Returns NULL if the memory region
is undefined, if the given object is not a direct java.nio.Buffer. ..." So I believe this
method performs correctly here.
    I've debugged in but seems lwjgl does not have source code. Can you tell me what method
calls GetDirectBufferAddress() and what method uses the return value(NULL)?  
   Thanks!

> [classlib][nio] Can't run simple 3D HWA application using lwjgl library
> -----------------------------------------------------------------------
>
>                 Key: HARMONY-3591
>                 URL: https://issues.apache.org/jira/browse/HARMONY-3591
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>            Reporter: Mikhail Fursov
>         Attachments: lwjgl.zip
>
>
> I've tried to run simple 3D HWA application using popular openGL Java wrapper: lwjgl
library and found that Harmony crashes at a very early stage of lwjgl initialization.
> This crash prevents even simple scenarios to be run.
> I found that the crash is reproduced for every JIT or interpreter mode we have.
> HereI think that the problem is with DLRVM threading support or with Classlibs NIO implementation.
> Here is the list of the last methods compiled before crash:
> EM: compile start:[CS_OPT n=980] java/nio/DirectByteBuffer::get([BII)Ljava/nio/ByteBuffer;
> EM: compile done:[CS_OPT n=980: OK] java/nio/DirectByteBuffer::get([BII)Ljava/nio/ByteBuffer;
> EM: compile start:[CS_OPT n=981] org/apache/harmony/luni/platform/PlatformAddress::getByteArray(I[BII)V
> EM: compile done:[CS_OPT n=981: OK] org/apache/harmony/luni/platform/PlatformAddress::getByteArray(I[BII)V
> EM: compile start:[CS_OPT n=982] org/lwjgl/opengl/WindowsDisplay::setIcon([Ljava/nio/ByteBuffer;)I
> EM: compile done:[CS_OPT n=982: OK] org/lwjgl/opengl/WindowsDisplay::setIcon([Ljava/nio/ByteBuffer;)I
> Here is stacktrace I've got on  Windows:
> >	lwjgl.dll!01865f90() 	
>  	lwjgl.dll!0186620e() 	
>  	harmonyvm.dll!m2n_free_local_handles()  Line 267 + 0xc	C++
>  	harmonyvm.dll!get_vm_thread(HyThread * thr=0x011fdfa0)  Line 190 + 0xb	C++
>  	011fe010()	
>  	harmonyvm.dll!vm_invoke_native_array_stub(unsigned int * args=0x0013f794, int sz=1,
void * f=0x01800010)  Line 77	C++
>  	harmonyvm.dll!JIT_execute_method_default(void * jit=0x00000000, _jmethodID * methodID=0x03105890,
jvalue * return_value=0x00000000, jvalue * args=0x02ffa948)  Line 200	C++
>  	em.dll!DrlEMImpl::executeMethod(_jmethodID * meth=0x03105890, jvalue * return_value=0x00000000,
jvalue * args=0x02ffa948)  Line 539 + 0x16	C++
>  	em.dll!ExecuteMethod(_jmethodID * meth=0x03105890, jvalue * return_value=0x00000000,
jvalue * args=0x02ffa948)  Line 43 + 0x21	C++
>  	harmonyvm.dll!vm_execute_java_method_array(_jmethodID * method=0x03105890, jvalue *
result=0x00000000, jvalue * args=0x02ffa948)  Line 51 + 0x1b	C++
>  	harmonyvm.dll!call_static_method_no_ref_result(JNIEnv_External * jni_env=0x011fe050,
_jobject * clazz=0x03103ee0, _jmethodID * methodID=0x03105890, jvalue * args=0x02ffa948, jvalue
* result=0x00000000)  Line 1154 + 0x11	C++
>  	harmonyvm.dll!CallStaticVoidMethodA(JNIEnv_External * jni_env=0x011fe050, _jobject
* clazz=0x03103ee0, _jmethodID * methodID=0x03105890, jvalue * args=0x02ffa948)  Line 1562
+ 0x17	C++
>  	harmonyvm.dll!CallStaticVoidMethodV(JNIEnv_External * jni_env=0x011fe050, _jobject
* clazz=0x03103ee0, _jmethodID * methodID=0x03105890, char * args=0x0013fa18)  Line 1547	C++
>  	harmonyvm.dll!CallStaticVoidMethod(JNIEnv_External * jni_env=0x011fe050, _jobject *
clazz=0x03103ee0, _jmethodID * methodID=0x03105890, ...)  Line 1537	C++
>  	java.exe!main_runJavaMain(const JNINativeInterface_ * * env=0x011fe050, char * mainClassName=0x00366f79,
int nameIsUTF=0, int java_argc=0, char * * java_argv=0x0036247c, HyPortLibrary * portLibrary=0x0013fbb8)
 Line 1311 + 0x1b	C
>  	java.exe!invocation(HyPortLibrary * portLibrary=0x0013fbb8, int argc=7, char * * argv=0x00362460,
unsigned int handle=5308416, int version=65540, unsigned char ignoreUnrecognized='', char
* mainClass=0x00366f79, unsigned int classArg=6, char * propertiesFileName=0x0015db60, int
isStandaloneJar=0, char * vmdllsubdir=0x0013fb44)  Line 732 + 0x2c	C
>  	java.exe!gpProtectedMain(haCmdlineOptions * args=0x0013fb90)  Line 381 + 0x33	C
>  	java.exe!main(int argc=7, char * * argv=0x00362460, char * * envp=0x00364180)  Line
147 + 0xc	C
>  	java.exe!mainCRTStartup()  Line 398 + 0xe	C
> I checked the same test with SUN and BEA VMs.
> Sun1.4/1.5/1.6 and BEA1.4 runs OK.
> BEA 1.5 crashes.

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