How to modify existing jar file?

Question

I need to modify gwt-log.jar file which is downloaded from maven repository. I need to change log4j version in this jar.

I have unzipped this jar and trying to modify it with intellij idea but dependences are not resolved. So, how can I do it with intellij idea and build jar again?

Answer 1

• Fork and clone https://github.com/fredsa/gwt-log using the terminal.

• Open the IDE welcome page.

• Click Open and select the pom.xml :

• Select Open as Project and Trust Project .

• Wait for Maven to finish the job.

• Make changes.

• Build a JAR file from sources.