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Bug
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Resolution: Won't Fix
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Minor
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JDK 9, Jenkins 2.60.3 as described in my lts-with-plugins docker instance
While exploring Jenkins 2.60.3 on Oracle Java 9 build 181 (pre-release), it reports illegal access exceptions and warns that a future release of Java 9 will forbid illegal access.
A stack trace shows:
WARNING: Illegal reflective access by org.parboiled.transform.AsmUtils to method java.lang.ClassLoader.findLoadedClass(java.lang.String)
at org.parboiled.transform.AsmUtils.findLoadedClass(AsmUtils.java:198)
at org.parboiled.transform.ParserTransformer.transformParser(ParserTransformer.java:35)
at org.parboiled.Parboiled.createParser(Parboiled.java:54)
at org.pegdown.PegDownProcessor.<init>(PegDownProcessor.java:48)
at org.jenkins_ci.plugins.pegdown_formatter.impl.Formatter.markdownToHtml(Formatter.java:32)
at org.jenkins_ci.plugins.pegdown_formatter.PegDownFormatter.translate(PegDownFormatter.java:95)
at hudson.markup.MarkupFormatter.translate(MarkupFormatter.java:76)
at org.apache.commons.jexl.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:258)
at org.apache.commons.jexl.parser.ASTMethod.execute(ASTMethod.java:104)
at org.apache.commons.jexl.parser.ASTReference.execute(ASTReference.java:83)
at org.apache.commons.jexl.parser.ASTReference.value(ASTReference.java:57)
at org.apache.commons.jexl.parser.ASTExpression.value(ASTExpression.java:54)
at org.apache.commons.jexl.parser.ASTTernaryNode.value(ASTTernaryNode.java:41)
at org.apache.commons.jexl.parser.ASTExpression.value(ASTExpression.java:54)
at org.apache.commons.jexl.parser.ASTExpressionExpression.value(ASTExpressionExpression.java:56)
at org.apache.commons.jexl.ExpressionImpl.evaluate(ExpressionImpl.java:80)
at hudson.ExpressionFactory2$JexlExpression.evaluate(ExpressionFactory2.java:74)
at org.apache.commons.jelly.expression.ExpressionSupport.evaluateRecurse(ExpressionSupport.java:61)
at org.apache.commons.jelly.expression.ExpressionSupport.evaluateAsString(ExpressionSupport.java:46)
at org.apache.commons.jelly.tags.core.ExprTag.doTag(ExprTag.java:42)
at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)
at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:161)
at org.kohsuke.stapler.jelly.IncludeTag.doTag(IncludeTag.java:121)
at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)
[JENKINS-46727] [JDK9] Illegal reflective access from pegdown plugin
The pegdown plugin has known security issues that won't be fixed. If the maintainer is not fixing known security issues, they are unlikely to resolve warnings from the Java 11 runtime environment.
Related to https://github.com/sirthias/parboiled/issues/109 AIUI