With a Java project in IntelliJ what does the Run command do exactly? Getting different runtime behavior from a ./mvnw command

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I am running a Java project based on a maven/pom.xml project. I recently made changes to the code, and am finding that if I run the project using IntelliJ's 'Run' command, the code works as expected, but if I run it using a ./mvnw command I'm seeing different behavior.

The main thing I want to know is exactly what commands are being executed by IntelliJ's run command, so that I can hope to understand exactly what is different. If there is a way to flip a flag in IntelliJ so that it will list exactly the command(s) it is executing, all the better.

As a final detail, here's the 'Run' button: The run button in IntelliJ

maven intellij-idea java
1 Answers

It turns out that the command is indeed shown in the output, but it is truncated unless you hover over it. This was unintuitive, and I only noticed when attempting to respond to the comment from @y.bedrov.

Specifically, here's the initial output I see when I 'Run': Initial output of run

If I click on that first line, it expands to the full command that is being run:

After clicking the first line of the Run output

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