I have a few Java/Maven projects that I want to use in a Grails 2.0.4 project. I have tried various approaches, such as:
grails install-dependency com.foo:my-project:0.0.1-SNAPSHOT
lib
folder of grails.compile com.foo:my-project:0.0.1-SNAPSHOT
to the dependencies section of BuildConfig.groovy
mavenLocal()
and passing /home/me/.m2/repository
I may have tried a few other things, such as superstitiously throwing in a grails clean
whenever convenient. In every case grails compile
yields the following result: compilation fails, unable to resolve every reference to any of the classes in either of the JARs.
Any idea what I'm missing?
Putting the jar in the lib folder should do the trick. We are using the same approach currently without problems.
If Grails by default don't take the local .jar libraries located in <GRAILS-APP-DIR>/lib
(seems that with Grails 3.X the /lib
folder default configuration is removed) the easy way to enforce it is modifying build.gradle
to add a local directory dependency for it.
For almost all cases is of course better to use the maven repos, however it's possible to have some db-vendor-drivers
or other libraries which aren't in a public repo. To do so for this libraries modify the <GRAILS-APP-DIR>/build.gradle
and add something like:
dependencies {
...
compile fileTree(dir: './lib', include: ['*.jar'])
...
}
If you want you can use another directory (not /lib
) since you're specifying it. Of course use the correct scope (for example for db-vendor-drivers
which probably already are in your application container class path the scope in gradle will be runtime
instead of compile
).
UPDATE
Starting from gradle 7.0 use of compile
and runtime
are removed. Insted you can use compileOnly
, runtimeOnly
or implementation
depending if you want to put the dependency only in the complie classpath, runtime classpath or on both, in gradle 7.0 and above you can use :
dependencies {
...
implementation fileTree(dir: './lib', include: ['*.jar'])
...
}
Adding the jar to the "lib" folder wasn't enough for me. I had to run:
grails compile --refresh-dependencies
After what it worked.
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