Shoot. I just recalled that log4j-perf is compiled with Java 9+. I will have to 
check what is being used for that, but nothing has changed in ages.

Ralph

> On Oct 18, 2020, at 12:58 PM, Ralph Goers <[email protected]> wrote:
> 
> MacBook Pro with Catalina 10.15.6. failed with Oracle Java 8.144 and Corretto 
> 8.265.  I’ve used 8.144 for a long time without any problems, including the 
> last release.
> 
> Ralph
> 
>> On Oct 18, 2020, at 12:21 PM, Volkan Yazıcı <[email protected]> wrote:
>> 
>> Last GitHub Actions build on release-2.x looks okayish, i.e., nothing new
>> besides already known failures:
>> https://github.com/apache/logging-log4j2/actions/runs/292125976
>> Which OS, JDK(s)did you use?
>> 
>> On Sun, 18 Oct 2020, 21:04 Ralph Goers <[email protected]> wrote:
>> 
>>> I just tried to do a full build for the first time in a while and am
>>> getting
>>> 
>>> [INFO] Compiling 77 source files to
>>> /Users/rgoers/projects/apache/logging/log4j/release-2.x/log4j-perf/target/classes
>>> [INFO] -------------------------------------------------------------
>>> [ERROR] COMPILATION ERROR :
>>> [INFO] -------------------------------------------------------------
>>> [ERROR] An exception has occurred in the compiler (9). Please file a bug
>>> against the Java compiler via the Java bug reporting page (
>>> http://bugreport.java.com) after checking the Bug Database (
>>> http://bugs.java.com) for duplicates. Include your program and the
>>> following diagnostic in your report. Thank you.
>>> java.lang.NullPointerException
>>>       at
>>> jdk.zipfs/jdk.nio.zipfs.JarFileSystem.getVersionMap(JarFileSystem.java:137)
>>>       at
>>> jdk.zipfs/jdk.nio.zipfs.JarFileSystem.createVersionedLinks(JarFileSystem.java:112)
>>>       at
>>> jdk.zipfs/jdk.nio.zipfs.JarFileSystem.<init>(JarFileSystem.java:85)
>>>       at
>>> jdk.zipfs/jdk.nio.zipfs.ZipFileSystemProvider.newFileSystem(ZipFileSystemProvider.java:134)
>>>       at
>>> jdk.compiler/com.sun.tools.javac.file.JavacFileManager$ArchiveContainer.<init>(JavacFileManager.java:517)
>>>       at
>>> jdk.compiler/com.sun.tools.javac.file.JavacFileManager.getContainer(JavacFileManager.java:319)
>>>       at
>>> jdk.compiler/com.sun.tools.javac.file.JavacFileManager.list(JavacFileManager.java:715)
>>>       at
>>> jdk.compiler/com.sun.tools.javac.code.ClassFinder.list(ClassFinder.java:722)
>>>       at
>>> jdk.compiler/com.sun.tools.javac.code.ClassFinder.scanUserPaths(ClassFinder.java:655)
>>>       at
>>> jdk.compiler/com.sun.tools.javac.code.ClassFinder.fillIn(ClassFinder.java:529)
>>>       at
>>> jdk.compiler/com.sun.tools.javac.code.ClassFinder.complete(ClassFinder.java:293)
>>>       at
>>> jdk.compiler/com.sun.tools.javac.code.Symbol.complete(Symbol.java:633)
>>>       at
>>> jdk.compiler/com.sun.tools.javac.code.Symbol$PackageSymbol.members(Symbol.java:1120)
>>>       at
>>> jdk.compiler/com.sun.tools.javac.code.Symtab.listPackageModules(Symtab.java:810)
>>>       at
>>> jdk.compiler/com.sun.tools.javac.comp.Enter.visitTopLevel(Enter.java:344)
>>>       at
>>> jdk.compiler/com.sun.tools.javac.tree.JCTree$JCCompilationUnit.accept(JCTree.java:529)
>>>       at
>>> jdk.compiler/com.sun.tools.javac.comp.Enter.classEnter(Enter.java:285)
>>>       at
>>> jdk.compiler/com.sun.tools.javac.comp.Enter.classEnter(Enter.java:300)
>>>       at
>>> jdk.compiler/com.sun.tools.javac.comp.Enter.complete(Enter.java:570)
>>>       at jdk.compiler/com.sun.tools.javac.comp.Enter.main(Enter.java:554)
>>>       at
>>> jdk.compiler/com.sun.tools.javac.main.JavaCompiler.enterTrees(JavaCompiler.java:1052)
>>>       at
>>> jdk.compiler/com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:923)
>>>       at
>>> jdk.compiler/com.sun.tools.javac.main.Main.compile(Main.java:302)
>>>       at
>>> jdk.compiler/com.sun.tools.javac.main.Main.compile(Main.java:162)
>>>       at jdk.compiler/com.sun.tools.javac.Main.compile(Main.java:57)
>>>       at jdk.compiler/com.sun.tools.javac.Main.main(Main.java:43)
>>> 
>>> 
>>> Any idea what this is about?
>>> 
>>> Ralph
>>> 
>>> 
>>> 
> 
> 
> 


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