GROOVY-11886: support JDK platform logging instead of System.err for …

[paulk-asert]

…errors and warnings

[codecov-commenter]

Codecov Report

❌ Patch coverage is 30.23256% with 60 lines in your changes missing coverage. Please review.
✅ Project coverage is 66.4082%. Comparing base (43231bb) to head (2b7e2ba).

Files with missing lines	Patch %	Lines
src/main/java/groovy/grape/Grape.java	9.0909%	10 Missing ⚠️
...roovy/tools/groovydoc/GroovyDocTemplateEngine.java	11.1111%	8 Missing ⚠️
.../org/codehaus/groovy/tools/FileSystemCompiler.java	14.2857%	6 Missing ⚠️
...et/src/main/java/groovy/servlet/GroovyServlet.java	0.0000%	6 Missing ⚠️
...java/org/codehaus/groovy/control/XStreamUtils.java	0.0000%	4 Missing ⚠️
src/main/java/groovy/ui/GroovyMain.java	33.3333%	2 Missing ⚠️
.../main/java/org/apache/groovy/antlr/LexerFrame.java	0.0000%	2 Missing ⚠️
...n/java/org/codehaus/groovy/tools/DgmConverter.java	0.0000%	2 Missing ⚠️
.../java/org/codehaus/groovy/tools/GroovyStarter.java	33.3333%	2 Missing ⚠️
...c/main/java/org/codehaus/groovy/ant/Groovydoc.java	33.3333%	2 Missing ⚠️
... and 11 more

Additional details and impacted files

@@                Coverage Diff                 @@
##               master      #2409        +/-   ##
==================================================
- Coverage     66.4099%   66.4082%   -0.0017%     
- Complexity      29890      29900        +10     
==================================================
  Files            1392       1392                
  Lines          116823     116847        +24     
  Branches        20675      20675                
==================================================
+ Hits            77582      77596        +14     
- Misses          32873      32885        +12     
+ Partials         6368       6366         -2     

Files with missing lines	Coverage Δ
...us/groovy/classgen/asm/util/LoggableTextifier.java	37.7593% <100.0000%> (+0.5209%)	⬆️
...codehaus/groovy/tools/javac/JavacJavaCompiler.java	70.5263% <100.0000%> (+0.3135%)	⬆️
...org/codehaus/groovy/classgen/asm/OperandStack.java	78.6127% <50.0000%> (+0.0620%)	⬆️
...src/main/java/org/codehaus/groovy/ant/Groovyc.java	47.6821% <50.0000%> (+0.1157%)	⬆️
...s/groovy/tools/groovydoc/GroovyRootDocBuilder.java	52.5862% <50.0000%> (+0.4123%)	⬆️
...groovy/tools/groovydoc/antlr4/GroovyDocParser.java	61.1111% <85.7143%> (+0.7337%)	⬆️
...main/java/org/apache/groovy/json/internal/Sys.java	36.6667% <50.0000%> (+3.3333%)	⬆️
...c/main/java/groovy/junit5/plugin/JUnit5Runner.java	45.4546% <50.0000%> (+1.2685%)	⬆️
src/main/java/groovy/ui/GroovyMain.java	60.6482% <33.3333%> (+0.1830%)	⬆️
.../main/java/org/apache/groovy/antlr/LexerFrame.java	0.0000% <0.0000%> (ø)
... and 13 more

... and 3 files with indirect coverage changes

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[daniellansun]

Merged. Thanks.