Re: GWT/Maven development cycle takes much too long

The question scope=provided or not affects the dependency for my own library "my-lib" in the pom.xml of my application "my-app".

• If I remove it, the "Failed to copy file for artifact" returns (= problem 1).
  
• If I keep it, the external libraries referenced by "my-lib" (like postgresql-40.0.0.jar) don't get copied into the WEB-INF/lib folder of "my-app" (problem 2).

So by changing scope=provided I can only choose between problem 1 and problem 2.

Yep, between one correct build that doesn't import in Eclipse (because of Eclipse), or an "incorrect" build (from your requirements).

I am willing to learn, so my "requirements" may be wrong.

What do you recommend for my situation?

 

Now you said that problem 2 isn't a problem, because the external libraries are provided at runtime, e. g. by Tomcat.

No.

I'm saying you should not use scope=provided if that's not what you want (and it's not what you want, so don't use it), and find a solution (or workaround at least) for the Eclipse issue,

I believe it's not an eclipse issue: I create a war file with "mvn package" and this war file doesn't contain the necessaey libs.

Tell me, where is my error in reasoning?

 You should IMO focus on the Maven part and get it right; then make it work in/with your IDE

Well, we have passed some milestones in this thread (eclipse error, scope=provided yes or no).

But at the point we are now, it's nothing but a Maven issue:
Creating a package with maven (mvn package) creates a package (war) with missing jar files.

To make a long story short:

• Before Maven I created a war file with all necessary jar files in WEB-INF/lib
• With Maven this war file is actually missing those jar files.

Please don't pay too much attention on my "requirements". They may be wrong, since I don't know how it should be done the usual way...

Magnus

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