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Dependent Projects and JAR files [message #1752280]

Fri, 20 January 2017 14:53

Magnus Warker

Messages: 16
Registered: October 2012

Junior Member

Hello,

I have a Java library "MyLib" and a Java application "MyApp", which are included in my eclipse workspace.

The library can be compiled into a jar file. This is done manually with an ant script.

The application uses the library. The library's jar file is referenced in the application's classpath. In addition, the library is referenced as a "dependend project". As a result, my application can find all the classes contained in the library.

However, when I make changes to the classes in the library, my application keeps working, even if I don't update the jar file.

So what's the functionality behind the "dependend projects"? And when do I have to recompile the library's jar file?

Thanks
Magnus

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Re: Dependent Projects and JAR files [message #1760769 is a reply to message #1752280]

Tue, 02 May 2017 17:57

Jay Arthanareeswaran

Messages: 134
Registered: July 2009

Senior Member

For that to work, you should remove the library from dependent project list and have only the JAR in MyApp's build path. Of course, that will mean you will have to rebuild the JAR every time, either manually or find ways to automate the process.

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