I am trying to run a Matlab function (Matlab 2017a) from Java (as shown here) and want to use the Java Matlab engine API for this purpose. I started adding the engine.jar file to the external libraries (I'm using the IntelliJ IDE). However, this gives the following error: "Exception in thread "main" java.lang.UnsatisfiedLinkError: no nativemvm in java.library.path"
A first search got me here where it says that the matlabroot should be added to the PATH permanently. So I checked my PATH using the Windows UI to find that matlabroot\R2017a\bin is already included. However, in my case I still get the error and have no idea what to do now. Any help is highly appreciated.
Answering my own question: Adding \R2017a\bin\ to the PATH is not sufficient. It has to be \R2017a\bin\win64 and then it works.
Related
The primary, direct issue right now is this: I can't open Eclipse anymore, and I can't seem to open Java, or execute Java codes-- all apparently in relation to an "Access is denied." error.
The first sign of this problem was when I tried to execute Hello World through Command Prompt. Following the instructions exactly in a video, when I attempted the apparent executing command code:
C:\Programs>java Helloworld
...I would get the message "Access is denied". After much troubleshooting, I found that if I gave the exact folder chain the program was in, I could get Hello World! to work. This looked like:
C:\Users\Spiralgo\Desktop\Coding>java HelloWorld
Ok, fair enough. But then it happened again in Eclipse. Following elsewhere in the video, there is the execution of the HelloWorld program directly in the Eclipse IDE. But when I followed the instructions exactly, I would get the following error:
CreateProcess error=5, Access is denied.
The file location shouldn't be a problem here... Since the code was getting written directly in Eclipse. I asked for help here in an earlier thread and was recommended to (1) try rewriting the code in Eclipse and then (2) to delete and reinstall Java. Rewriting the code led to the same error, so I tried deleting Java, and then reinstalling it. Some problems associated with this:
I can't tell if Java was properly deleted or not. There are so many Java files that I'm not sure if I deleted the right one, and there doesn't seem to be a convenient way to catch all of them in one deletion. I noticed there is a Java uninstaller program, but I can't tell if using that is properly deleting Java, or if I need to go a step further and erase everything before re-downloading.
When using the Java Uninstaller, the program warns me that I already have an up-to-date version of Java, and that the program is meant to be used to get rid of out-of-date versions of Java.
I tried downloading Java online after I thought I had deleted it. I simply went for what seemed to be the easiest download possible, on this site: (https://java.com/en/) and going through the big red button. This is different from the more "complicated" method described in the original download instructions I used, but I figured if I was having issues related to beginners, it would be fine to try a simpler route. However, this method seemed to download a different series of programs onto my computer: a Java folder containing the programs "About Java", "Check for Updates", "Configure Java", "Get Help", and "Visit java.com".
And guess what... Trying to open "Configure Java" leads to an "Access is denied" error! Here is the full message:
Java Control Panel
Access is denied.
"C:\Program Files (x86)\Java\jre1.8.0_261\bin\javaw.exe" -Xbootclasspath/a:"C:\Program Files (x86)\Java\jre1.8.0_261\bin..\lib\deploy.jar" -Djava.locale.providers=HOST,JRE,SPI -Djdk.disableLastUsageTracking -Dsun.java2d.dpiaware=true -Duser.home="C:\Users\Spiralgo" com.sun.deploy.panel.ControlPanel
And now Eclipse won't open. When clicking on it I get a very long message that begins with: "JVM terminated. Exit code=2".
So at this point I can't even tell if I have Java or not right now. I also don't know if all of this is related to the consistent "Access is denied" message related to Java, and whether that's related to using different Java versions, or if my computer itself has some inappropriate setting that restricts access to things.
You can read more about how this problem evolved from the previous thread: Access Denied running "Hello World" program through Eclipse
I am facing an issue with my application.
I created a java application. And it is working without problems, but I wanna obfuscate it. For renaming classes I am using ProGuard, so, i obfuscate it.
And getting the below error:
> Exception in thread "main" java.lang.UnsatisfiedLinkError:
Native library <org/apache/culler/win32-x86-x64/jnidispatch.dll> not found in resource path
<file:C:/Users/MyCoolUsername/Desktop/awesomeapp.jar]>
But, without obfuscation it working without any problem. Also it happened if I use JName, and other obfuscators.
How to fix it?
I have written a Java program that will execute an Alloy (.als) file. When I am using the commandline the program works perfectly but when I try to run it using NetBeans, this error is shown:
Exception in thread "main" Syntax error:
This module cannot be found.
It is not a built-in library module, and it cannot be found at "C:\Users\brinto dibyendu\Documents\NetBeansProjects\Alloy\util\integer.als".
What can I do?
Alloy is built & developed with Bndtools running in Eclipse. Trying to run it in Netbeans is just creating a huge amount of problems that you can avoid by taking the default route.
In Eclipse, all set up to immediately debug the main application is already done. It actually ensures resolves are handled inline instead of in another process so they are easier to debug. Then just debug it. Search for "built-in library module," and see what's happening there.
Even better, in Eclipse even the tiniest change you make to Java source code is immediately reflected in the runtime.
The quickest way I've found to fix this is to duplicate the .als files for the utilities in your file system.
Assuming your model (.als) file is in folder C:\Users\brinto dibyendu\Documents\NetBeansProjects\Alloy\, you'll need to create a util\ subdirectory in that folder and copy the source of the integer utility model (integer.als) into that subdirectory.
You can get the utility model files here.
I am trying to deploy an opencv java application with opencv 2.49, I have build the libopencv_java249.so and opencv-249.jar in the Ubuntu server and these are available in the class path when the application starts.
But it's throwing a exception saying libopencv_java245 not found, so initially I was under a impression that it's referring to a wrong opencv version. so to verify this I have removed the libopencv_java249.so from class path and then it was complaining that libopencv_java249 not available.
As an additional testing I also renamed libopencv_java249.so to libopencv_java245.so then it was saying again that opencv_java249 not found.
With this I guess we can confirm that it looks for the right version of opencv (that is libopencv_java249) but in addition to that it aslo requires libopencv_java245 also. Is my assumption is correct, it would be really helpful if someone can guide me.
I am stuck one point.
I am getting this error from eclipse
Exception in thread "main" java.lang.UnsatisfiedLinkError: no jogl in java.library.path
I tried few links and tried to solve problem, but I am unable to do so.
I changed Jar file location, no output
I also tried to change eclipse.ini, but it also couldn't resolve it.
What should I do?
If any other information or image is required regarding issue, I will provide. ask me in comments.
Thanks
Duaan
In your run configuration in Eclipse, add
-Djava.library.path=<path to JOGL>
under Arguments -> VM Arguments.
When you run outside of Eclipse, you'll need to make sure the native libraries are accessible too. As Hot Licks mentioned, these are the native libraries (e.g. dll files in Windows), not just the Java class files that come with JOGL.