How to add directory to classpath in an application run profile in IntelliJ IDEA

Question

I m trying to add a directory to the classpath of an application run profile  If I override by using -cp x target classes in the VM settings  I get the following error   java lang NoClassDefFoundError  com intellij rt execution application AppMain   Any idea on how to add a directory to the classpath for my project

User · Answer

Suppose you need only x target classes in your classpath  Then you just add this folder to your classpath and  IDEA  lib idea rt jar  Now it will work  That s it

User · Answer

Simply check that the directory package of the class is marked as  quot Sources Root quot   I believe the package should be application or execution in your case  To do so  right click on the package  and select Mark Directory As- gt Sources Root

User · Answer

Set  VM options  like   -cp  Classpath  your classpath

User · Answer

You need not specify the classes folder  Intellij should be able to load it  You will get this error if  Project Compiler output  is blank   Just make sure that below value is set  Project Settings -  Project -  Project Compiler output  to your projectDir out folder

User · Answer

It appears that IntelliJ 11 has changed the method  and the checked answer no longer works for me   In case anyone else arrives here via a search engine  here s how I solved it in IntelliJ 11     Go to the Project Structure  click on Modules  and click on your Module Choose the  Dependencies  tab Click the     button on the right-hand side and select  Jars or directories     Add the directory ies  you want  note you can multi-select  and click OK In the dialog that comes up  select  classes  and NOT  jar directory  Make sure you re using that Module in your run target   Note that step 5 seems to be the key difference   If you select  jar directory  it will look exactly the same in the IDE but won t include the path at runtime   There appears to be no way to determine whether you ve previously selected  classes  or  jar directory  after the fact

User · Answer

In Intellij 13  it looks it s slightly different again  Here are the instructions for Intellij 13    click on the Project view or unhide it by clicking on the  1  Project  button on the left border of the window or by pressing Alt   1 find your project or sub-module and click on it to highlight it  then press F4  or right click and choose  Open Module Settings   on IntelliJ 14 it became F12  click on the dependencies tab Click the     button on the right and select  Jars or directories     Find your path and click OK In the dialog with  Choose Categories of Selected File   choose Classes  even if it s properties   press OK and OK again You can now run your application and it will have the selected path in the class path

User · Answer

You can try -Xbootclasspath a path option of java application launcher  By description it specifies  a colon-separated path of directires  JAR archives  and ZIP archives to append to the default bootstrap class path

User · Answer

I am using Idea 8  in your module dependancies tab  in the project structure dialog    Add a  Module Library    There you can select a Jar Directory to add   Then make sure the run profile is using the Classpath and JDK of the correct module when it runs  this is in the run config dialog

[java] How to add directory to classpath in an application run profile in IntelliJ IDEA?

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