Print stack trace when logging errors

[frengor]

Description

This PR makes loggers print the stack trace of logged errors, which was simply ignored before.

Example

logger.log(Level.SEVERE, "Error message", new Exception("Error!"));

Before:

[00:32:28 SEVERE]: Error message

After:

[00:38:35 SEVERE]: Error message
java.lang.Exception: Error!
    at com.fren_gor.tests.Test.test(Test.java:24)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    at org.junit.platform.commons.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:728)
    etc. etc.

Checklist

The following items should be checked before the pull request can be merged.

• Code follows existing style.
• Unit tests added (if applicable).

[Insprill]

LGTM, Thank you!

[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
1.8% Duplication on New Code

See analysis details on SonarCloud