How to set the java library path from Eclipse

Question

How can I set the java library path for a whole Eclipse Project  I m using a Java library that relies on OS specific files and need to find a  dll   so   jnilib  But the Application always exits with an error message that those files are not found on the library path    I would like to configure this whole project to use the library path  I tried to add the path as a VM argument to some run configurations in eclipse but that didn t work

User · Answer

You can add vm argument in your Eclipse   Example    -Djava ext dirs cots lib   where cots lib is your external folder library

User · Answer

Remember to include the native library folder in PATH

User · Answer

Another solution would be to open the  run configuration  and then in the  Environment  tab  set the couple  Path Value     For instance to add a  lib  directory located at the root of the project       Path   lt -    workspace loc name of the project  lib

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For a given application launch  you can do it as jim says   If you want to set it for the entire workspace  you can also set it under  Window- gt    Preferences- gt      Java- gt        Installed JREs   Each JRE has a  Default VM arguments   which I believe are completely ignored if any VM args are set for a run configuration    You could even set up different JRE JDKs with different parameters and have some projects use one  other projects use another

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Sometime we dont get Java Build Path by directly right click on project  then go to properties       Then Click on java build path    Click on tab add external jars and give path of your computer file where u have stored jars

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You can simply add -Djava library path yourPath to the eclipse ini

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I think there is another reason for wanting to set java library path  Subversion comes with many libraries and Eclipse won t see these unless java library path can be appended  For example I m on OS-X  so the libraries are under  opt subversion lib  There are a lot of them and I d like to keep them where they are  not copy them into a standard lib directory    Project settings won t fix this

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Here is another fix   My build system  Gradle  added a required native library  dll  to the Eclipse build path  Right Click on Project -  Properties -  Java Build Path -  Libraries   Telling the build system not to add the native dll library to the Eclipse classpath solved the problem

User · Answer

I m using Mac OS X Yosemite and Netbeans 8 02  I got the same error and the simple solution I have found is like above  this is useful when you need to include native library in the project  So do the next for Netbeans   1 - Right click on the Project 2 - Properties 3 - Click on RUN 4 - VM Options  java -Djava library path  your path  5 - for example in my case  java -Djava library path  lt  Users Lexynux NetBeansProjects NAO libs gt  6 - Ok   I hope it could be useful for someone  The link where I found the solution is here  java library path     What is it and how to use

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Click Run Click Debug     New Java Application Click Arguments tab in the 2nd box  VM Arguments  add the -D entry    -Xdebug -verbose gc -Xbootclasspath p jar vbjorb jar jar oracle9 jar classes jar mq jar jar xml4j jar -classpath -DORBInitRef NameService iioploc   10 101 2 94 8092 NameService     etc

User · Answer

Don t mess with the library path   Eclipse builds it itself   Instead  go into the library settings for your projects and  for each jar etc that requires a native library  expand it in the Libraries tab   In the tree view there  each library has items for source javadoc and native library locations   Specifically  select Project  right click -  Properties   Java Build Path   Libraries tab  select a  jar  expand it  select Native library location  click Edit  folder chooser dialog will appear   Messing with the library path on the command line should be your last ditch effort  because you might break something that is already properly set by eclipse

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None of the solutions above worked for me  Eclipse Juno with JDK 1 7 015   Java could only find the libraries when I moved them from project folder lib to project folder

User · Answer

If you are adding it as a VM argument  make sure you prefix it with -D   -Djava library path blahblahblah

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Just add the   dll files to your c  windows  You can get the java library path from the follow codes and then add you dll files under any path of you get  import java util logging Logger   public class Test         static Logger logger   Logger getLogger Test class getName         public static void main String   args        logger info System getProperty  java library path

User · Answer

the easiest way would to use the eclipse IDE itself  Go to the menu and set build path  Make it point to the JAVA JDK and JRE file path in your directory  afterwards you can check the build path where compiled files are going to be set  in the bin folder by default though  The best thing would be to allow eclipse to handle itself the build path and only  to edit it similar to the solution that is given above

User · Answer

Except the way described in the approved answer  there s another way if you have single native libs in your project    in Project properties- Java Build Path- Tab  Source  there s a list of your source-folders For each entry  there s  Native library locations   which also supports paths within the workspace  This will make Eclipse add it to your java library path

[java] How to set the java.library.path from Eclipse

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