Blogs

Just a short one today...

So like every few months I either encounter a build error from RESTBuilder code, or someone asks me about it...

Basically after generating RESTBuilder code, when you try to build, you hit an error like:

BaseEventEntryResourceImpl.java:274: error: no suitable method found for 
  transform(T#1[],UnsafeFunction<T#1,R#1,Exception>,Class<CAP#1>)
        return TransformUtil.transform(array, unsafeFunction, clazz);
                            ^

So there's actually a couple of things that you should do, but one thing you must do to get by the issue...

First, in your settings.gradle, you should be using a recent version of the workspace plugin. If you have an older version, you could be using older versions of other plugins.

Second, in your rest-config.yaml file, you should specify a compatibilityVersion. Add / edit a line in the file to read:

compatibilityVersion: 6

Finally, and this one is the critical point, you can manually choose the version of the RESTBuilder plugin to use when generating code.

In the -impl folder (where your rest-config.yaml file is), add a gradle.properties file and put the following line in it:

com.liferay.portal.tools.rest.builder.version=1.0.338

That last one, that's the thing that you have to do to be successful.

After making the change, re-run RESTBuilder to regenerate the code and now your build error should be gone...

If this doesn't solve your issue, leave a comment below or hit me up on the Liferay Community Slack!