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So I am making a Restful Webservice with the Springtoolsuite and I am making a Rest Client as well. I am at a point at which I can run the service and have both Postman give me the results I expect as well as run the internal Browser of Spring and have the proper things happening.

However if I then load the html file outside of Springs browser im getting the typical CORS errors of "CORS request did not succeed" and "CORS preflight channel did not succeed" in Mozilla and in Chrome I get a 403 for OPTIONS and "access to XMLHttpRequest at 'http://localhost:8080/.." from origin 'null' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource." which is also a CORS issue.

localhost:8080 is my choice of URL because Apache Tomcat starts the service on this port when I run the project as a Spring Boot App.

What I am unsure of now is how to find out wether I am making poorly worded requests in my Rest Client or wether I have an issue in my servercode for example supposedly the error can come from preflighting multiple times and I am unsure wether I might be doing that.

First the servercode:

The project where I'm working on has several modules and one of the modules is integration_test, integrations test for all the others modules. This is a weird architecture for me and I'm not sure if I'm handling this situation correctly.

We haven't continous integration, right now we are running the suite test from Eclipse but we want to run it from a continuos integration server. I have been working on update our POM to execute it from the command line. I will include a sample project below because paste here the classes I think is not enough.

I followed the Maven Failsafe plugin documentation, but when I execute mvn clean verify -P integration-test I get Cannot find class in classpath: TestApiMain

I think this is because is trying to running that class before it's compiled but I don't know how to run the integration test after all other modules are actually compiled. I also want to implement Jacoco for test coverage. Reading the following guide to implement Jacoco I think I'm close:

https://www.petrikainulainen.net/programming/maven/creating-code-coverage-reports-for-unit-and-integration-tests-with-the-jacoco-maven-plugin/

Exception when execute mvn clean verify -P integration-test:

I'm looking to use Slather to export unit test code coverage to TeamCity, however I am running into issues even getting it to run, and I'm a little confused as I'm not finding other people encountering this error. So hopefully someone can help me. I'm a build engineer, not XCode developer, and our devs don't seem to know what could be causing it.

Anyway, to trial Slather, I was given a new Mac, so I installed RVM and Ruby 2.4.1. I then installed the Slather gem, which all was quite easy and fast.

I built the XCode project, ran the unit tests and saw XCode displaying the code coverage data in the IDE.

In my terminal I ran the slather coverage command, and it returns the error: