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Speed up maven war plugin

The maven plugin works very slow for me. In my project the webapp folder has nearly 15000 small files (images, jsp, css, etc). When I assemble it with the maven, it first copies all files to the target/myProject-1.0.0 directory, then builds myProject-1.0.0.war file from it. The copy process takes 10 minutes, building the .war takes 2 minutes.

As I see the build could be much faster if the .war file will be assembled straight from the webapp folder. Is it possible to do?

like image 375
kan Avatar asked Oct 10 '12 11:10

kan


2 Answers

In the configuration section for the war plugin, use warSourceExcludes to exclude unneeded files and directories. In the example below, the directories components and node_modules will be excluded from the exploded war as well as from the final war. In my case this reduced the build time from 3 minutes to 14 seconds.

        <configuration>
              <warSourceExcludes>
                components/**,
                node_modules/**
              </warSourceExcludes>
        </configuration>
like image 139
Victor Ionescu Avatar answered Oct 14 '22 08:10

Victor Ionescu


I suggest that you use the use the war:inplace goal of maven-war-plugin together with a custom maven-antrun-plugin task.

The war:inplace will generate the webapp in the WAR source directory. It will create all necessary extra folders under webapp.

The antrun:run can be customized to create the war according to your special requirements.

This will potentially improve the performance since most of those resource files you have will still be in the webapp folder and not being copied.

like image 21
maba Avatar answered Oct 14 '22 08:10

maba