All Questions
61 questions
0
votes
2
answers
178
views
ShObjIdl location for JNA usage
I'm trying to use shobjidl_core.h library to run code that changes the wallpaper of one specific monitor, specifically I need to run these two functions: GetMonitorDevicePathAt, SetWallpaper.
Now, ...
- 143
0
votes
1
answer
272
views
How to search for Windows dynamic link library that contains a windows api function
I'm using the JNA to interact with the Windows API.
I want to use the LogonUserW function in the WinBase.h header. In order to load it using the JNA's Native.load, I need to know the dynamic link ...
0
votes
1
answer
415
views
Why is my shared library (dll) not getting linked with the stdc++-6.dll properly?
So I was trying to build and load a dll into a Java application using the Jni interface, and basically I've used a few libraries consisting of the Win32 API.
The build seems to be fine, everything ...
- 8,046
0
votes
0
answers
213
views
Finding/Resolving dependent DLLs of a DLL using Java
I want to figure out which dependent DLLs are missing when loading a DLL fails. By loading a DLL using Java's System#loadLibrary, I only get a long negative exit code such as -1073741515 instead of a ...
- 19.1k
0
votes
0
answers
170
views
How to execute remote COM dlls?
I am having a problem about running a COM dll remotely on windows PCs.
I have a COM dll registered in all the client stations (windows) of my network and a .NET application hosted on a server in my ...
1
vote
1
answer
2k
views
Cant load DLL when copied to other computer
I have built Mecab.dll using Visual Studio 2017 Community Build tools and able to load in Java using JNI. When I copy the DLL to other computer and try to load in java, it does work.
Dependency ...
- 119
0
votes
1
answer
381
views
Native.loadLibrary() returns null when project is a gradle dependency
Implemented a java driver project which exploits some .dll files with help of JNA. It works pretty well as a project when i build and run. However, I am not able to load .dll file when this driver ...
- 154
0
votes
1
answer
116
views
Capstone Disassembler Java Bindings: "Invalid memory access"
I'm using the Java bindings of the Capstone disassembler. When I run the code example
import capstone.Capstone;
import org.junit.Test;
public class DisassemblerTest
{
private static byte[] CODE =...
- 19.1k
2
votes
1
answer
731
views
Identifying missing DLLs for OpenCV using Java Bindings
I'm using opencv_java400-x64.dll provided by the OpenCV release. It works well on my system (Windows 10 Pro). On other user's system's (usually Windows 7) some of them cannot load the DLL and receive ...
- 19.1k
0
votes
0
answers
163
views
Dynamic Load Debug vs Release Native Libraries In Java with Debug Postfix
On windows, native DLLs are sometimes built such that the debug versions have a 'd' postfix on them: Mylibd.dll vs MyLib.dll (Boost does this as an example).
How does one go about dynamically loading ...
- 930
1
vote
1
answer
3k
views
System.loadLibrary() error -- unable to specify a relative or absolute path
I have an issue with specifying the path to the x64 OpenCV DLL.
I was using
static{
System.loadLibrary(Core.NATIVE_LIBRARY_NAME);
}
to load the OpenCV x64 DLL and it worked fine in NetBeans (...
- 81
1
vote
1
answer
495
views
How to attach DLL file in maven based project
Can you tell me how to in elegant way attach dll file to my project based on maven ?
When I put into system32 id does work (of course due to that system32 belongs to PATH). However, my aim is to ...
user7311580
0
votes
0
answers
2k
views
Java application randomly crashes with DLL issues
I have a Java application which communicates with .Net application via com. Of late (since we have migrated from Windows Server 2003 to Windows Server 2012 R2) the Java application keeps on crashing ...
- 237
1
vote
0
answers
662
views
Modify java.library.path for wildfly 8.2.0
I have a set of dlls which need to be there in java.library.path for Wildfly 8.2.0. My problem is, there are some older versions of same DLLs present in system32 (Windows system folder). Whenever I ...
- 1,319
1
vote
0
answers
591
views
Compile Linux shared object for use with JNA in Windows
I have a Java application running on Linux that talks through JNA to a library coded as a shared object written in C. I would like to be able to run this on Windows, so I've compiled the library under ...
- 2,002
0
votes
0
answers
282
views
how to deploy java application with native code from 64 bit windows to 32 bit windows?
i hope caps lock haters are now pleased and in paradise. as you can see, all letters are small. enjoy yourself.
anyway, i have a question about java.
i have application written in java which uses ...
- 1,130
1
vote
2
answers
419
views
How does the JVM draw buttons and other controls under Windows?
While java programs are platform independent, the JVM itself is platform dependent. I am interested in knowing how Java draws the application GUI (buttons and text) on the screen.
Under Windows, ...
- 203
0
votes
0
answers
293
views
How can I add to the system 'Path' variable and have the new path used by a DLL immediately?
Here's the situation. I am attempting to load the JRI for R integration in Java.
Here's what I know to make it work:
-Make sure that the path to the JRI DLL is in the java.library.path (so java can ...
- 139
0
votes
1
answer
570
views
Java program w/JNA+DLL requires "Run as Administrator" under C:\Program Files on Win10?
I have a Java 8 program which runs fine everywhere on my Windows 10 computer except when run from under C:\Program Files or C:\Program Files (x86) where it requires to be "Run as Adminstrator" to work....
- 1,672
1
vote
1
answer
303
views
Error with jGrasp and MinGW - Cannot compile - code 0xc000007b
I had a Windows 7 computer, where I wrote C programs with jGrasp. After switching to Windows 10 I installed jGrasp, MinGW (including g++), and Java. I set my PATH to the MinGW bin and the Java jre bin....
- 13
3
votes
4
answers
4k
views
Loading .DLL in Java
I want to call a .DLL method in Eclipse. Here is my code :
class TestJNI1 {
public native void LireNoVersion();
public void a() {
System.loadLibrary("tttt.dll");
...
- 543
0
votes
1
answer
942
views
How to properly call this DLL with JNA? EXCEPTION_ACCESS_VIOLATION
I am trying to access the methods of a C DLL with Java and JNA from Windows.
Sometimes everything goes fine, but other times I get an EXCEPTION_ACCESS_VIOLATION (it seems to be random when it works ...
- 566
0
votes
0
answers
625
views
Not able to call DLL Method in Apache Spark
I've setup Apache Spark in windows system and have a java program which reads file.txt gets the data and then calls my first.dll file
Now everytime I run it, I get an Exception
Exception in thread "...
- 489
6
votes
0
answers
6k
views
Sometimes (randomly) application crash with ntdll.dll as faulting module
We have homegrown java application that uses JIntegra.jar. The JAVA application also connects to a application running in .NET. The application works fine most of the time. But sometimes for some ...
- 237
0
votes
1
answer
875
views
Calling a getversion function from kernel32.dll on java
I'm trying to call a Getversion function from kernel32.dll on Java. I wish to run a Java app that runs that function. However, I'm finding the information available very confusing and it's getting me ...
0
votes
0
answers
382
views
Why am I only able to successfully load dynamic linking libraries using "-Djava.library.path=" in Linux but not Windows
I am using a library that requires that I load load dynamic linking libraries. My source code that uses these libraries is identical, the only difference is the operating system that I am using and ...
user4691169
0
votes
0
answers
97
views
Wrong result accessing device by JNA
I trying to access a device using JNA
The first command return a statusCode 263 insteadof zero.
I searched and found this code, means "INVALID_DEVICE_NAME". The device's manual say:
The ...
- 1,095
0
votes
2
answers
2k
views
the module "ntvinv.dll" was loaded but the entry-point DLLRegisterServer was not found
I have an application which was working fine till windows 2003 server. Recently we migrated to Windows server 2012 R2 64-bit. Since we migrated to 64-bit windows, we also migrated to 64-bit JAVA.
The ...
- 237
13
votes
4
answers
17k
views
JNI C++ DLL - 'UnsatisfiedLinkError: %1 is not a valid Win32 application'
I am trying to actually get JNI working before I dive in with my actual code, but after I compile a DLL from C++ and run my Java application I get:
Exception in thread "main" java.lang....
4
votes
0
answers
512
views
Java VM EXCEPTION_ACCESS_VIOLATION WITH JNI?
If anyone can help me with my problem.
when I try to run a function from the DLL by using the API java jni the JMV generates this exeception:
#
# An unexpected error has been detected by Java ...
- 41
1
vote
0
answers
41
views
java.lang.UnsatisfiedLinkError from LocalService but not from NetworkService
I have a program in java I run through a service I wrote who uses JNI to start a JVM and launch the program. The program dynamically loads other jni dlls when it needs to.
The problem is that if i ...
- 490
0
votes
1
answer
1k
views
java cannot load dll outside jre
Why it seems that is impossible to load a library (.dll) in Java, if it is not located in /jre/bin folder. It's crazy, but I have 2 dll's:
aa.dll
bb.dll, which depends on aa.dll
If I copy these dll'...
0
votes
0
answers
1k
views
Load 32 or 64 bit dll with Java 32bit on 64 bit Windows 7
I am attempting to load a compiled 32 bit or 64 bit DLL file with my Java code running under JRE 1.7 32bit on a Windows 7 64bit. The DLL is named RecorderWindowsIA32.dll (32 bit) or ...
- 81
3
votes
2
answers
5k
views
jacob - Can't co-create object
My environment is Java 7, on Windows 7 - 64 bit. So here's my requirement and procedures I followed
I wanted to execute a library called test.dll from Java
I first downloaded the latest version of ...
- 17.6k
2
votes
2
answers
839
views
Can anyone explain the following piece of anonymous/mischief code for windows?
Warning:
DO NOT EXECUTE THIS CODE ON ANY MACHINE. IT COULD BE A MALICIOUS CODE
Hi,
I got a file on fb, from someone which obviously looked like a virus. So I downloaded it happy that I am not on ...
- 2,485
0
votes
1
answer
200
views
How to invoke a dll
I know there are threads with same title already but the problem i am facing is different from them. I have an java application which is to view/print PDF files. Then i had to get an .exe for the jar ...
- 141
2
votes
1
answer
444
views
32-bit DLL causing UnsatisfiedLinkError
I am trying to create 32-bit and 64-bit versions of a library.
Command:
gcc -D_WIN32 -O2 -shared -I%JAVA_HOME%\include -I%JAVA_HOME%\include\win32 \
-Ic:\OpenSSL-Win32\include -Lc:\OpenSSL-Win32 -...
- 7,043
0
votes
1
answer
4k
views
WinScard Smart Card dll 32 bit 64 bit compatibility
I have to make use of the WinScard.dll library to access the smart card . I have a Java application that loads and makes use of this library to access the smart card .
32 Bit systems : Initially our ...
- 3,538
5
votes
3
answers
2k
views
Why do I get UnsatisfiedLinkError when calling a MinGW-compiled function (not loading the library) on Windows?
I'm making a simple JNI test app using Eclipse on Windows. My C++ compiler is MinGW 4.6.2. Java is throwing an UnsatisfiedLinkError when I try to invoke a function in my test DLL (the DLL itself loads ...
- 4,725
5
votes
1
answer
33k
views
jvm.dll missing error when launching application [closed]
I was trying to run CapeClear SOA Editor application on Windows 7 64bit but it would not start and produced an error saying that it couldn't load jvm.dll. I have 64 bit JDK version 7u13 installed.
...
- 9,419
2
votes
2
answers
5k
views
How to build JNI .dll?
I have a java project in Eclipse that contains some JNI code.
JNI code is cross platform - for Windows and Linux. How can I build a dll?
Thanks.
- 2,566
3
votes
3
answers
5k
views
Exiting from Native code in JNI kills Java application
I am calling a method of my native dll from JNI. It works fine but at one place in a my native code, I am calling exit(1) so that native code stops working but what happens is that it also causes to ...
- 1,210
1
vote
3
answers
1k
views
How to launch java swing app which used precompled DLL from cmd?
When i'm using double click my java app starts perfectly.
My path:
PATH=...C:\Program Files\Java\jdk1.7.0_02\bin;...
But when i'm running app from cmd:
C:\Program Files\Java\jdk1.7.0_02\bin>java....
- 8,538
0
votes
1
answer
872
views
Loading multiple dependent libraries via JNI and DllMain
I have a JNI library that depends on a third party library.
I can load and use the library by first doing a System.Load on the third party library then doing System.Load on my library. This works.
I ...
- 4,277
3
votes
0
answers
389
views
How to catch a stack trace from jvm.dll?
I've got a C++ console application that uses a third-party dll (jvm.dll, indirectly) that uses printf to print various error messages (Java stacktrace). I need to catch these stacktraces to a string ...
- 657
1
vote
1
answer
2k
views
OSGI framework hangs when loading native library
Situation: Open source OSGI framework SMILA (http://www.eclipse.org/smila/) started as Windows Service with the aid of Apache commons-daemon (http://commons.apache.org/daemon/). Trying to load a DLL ...
- 11
1
vote
1
answer
2k
views
Eclipse (Helios) fails to load DLL
My Java program fails with the following error on Windows.
Exception in thread "main" java.lang.UnsatisfiedLinkError: no XSvcSocket in java.library.path
at java.lang.ClassLoader.loadLibrary(Unknown ...
- 13
0
votes
2
answers
1k
views
Use Dependency Walker To Verify C Function in DLL
I'm new to dependency walker and I'm trying to determine if my dll contains a C function that I'm trying to call from Java via JNI. When I select the dll that should contain the C function in ...
- 9,817
0
votes
1
answer
277
views
How do I load a JVM when a DLL is loaded and free it when the DLL is unloaded
I'm developing a dll which invokes a jar to do most of the work through JNI. How can I create the DLL such that it creates the JVM only one time when the DLL is loaded and frees it when the DLL is ...
- 4,193
5
votes
2
answers
6k
views
Where does SWT write dll files on windows?
I cannot find on the Internet where SWT tries to write the dll files. I have a computer where the jar does not run only because SWT cannot write DLLs.
UPDATE 1
java.lang.reflect....
- 671