Well, I think I finally found the root issue of this and I was quite
astonished by what I have discovered.
Anyway, the first thing I did was fixing 8 Warnings I had about using
Sun proprietary code-->OK this was not nice from me, but it had worked
for so many years that I was wondering if there was any point to these
warnings. And ok, warnings are not good but they should not ruin
everything either.
Once I did that, the root cause finally unrevealed itself:
[ERROR] Failure executing javac, but could not parse the error:
[ERROR] An exception has occurred in the compiler (1.6.0_26). Please
file a bug
at the Java Developer Connection
(http://java.sun.com/webapps/bugreport) after
checking the Bug Parade for duplicates. Include your program and the
following d
iagnostic in your report. Thank you.
[ERROR] java.lang.NullPointerException
[ERROR] at
com.sun.tools.javac.comp.Check.checkCompatibleConcretes(Check.java:12
15)
[ERROR] at
com.sun.tools.javac.comp.Check.checkCompatibleSupertypes(Check.java:1
567)
[ERROR] at com.sun.tools.javac.comp.Attr.attribClassBody(Attr.java:2674)
[ERROR] at com.sun.tools.javac.comp.Attr.attribClass(Attr.java:2628)
[ERROR] at com.sun.tools.javac.comp.Attr.attribClass(Attr.java:2564)
[ERROR] at
com.sun.tools.javac.main.JavaCompiler.attribute(JavaCompiler.java:103
6)
[ERROR] at
com.sun.tools.javac.main.JavaCompiler.compile2(JavaCompiler.java:765)
[ERROR] at
com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:730)
[ERROR] at com.sun.tools.javac.main.Main.compile(Main.java:353)
[ERROR] at com.sun.tools.javac.main.Main.compile(Main.java:279)
[ERROR] at com.sun.tools.javac.main.Main.compile(Main.java:270)
[ERROR] at com.sun.tools.javac.Main.compile(Main.java:69)
[ERROR] at com.sun.tools.javac.Main.main(Main.java:54)
[ERROR] -> [Help 1]
[ERROR]
So, just by removing some warnings, the Java compiler finally decided
itself to report to me that it was unable to compile some classes. After
looking around, I found that this issue is 6 years old, many guys have
had this NPE, and it should be fixed in JVM 7.
Hopefully, this may help some other people having this error, but I got
to say that I never had such severe issues with Sun/Oracle JVM until
now. Makes me wonder if I should keep on compiling with this JVM.
Cheers,
Guillaume
Le 20/10/2011 09:15, bgik a écrit :
Hi
Maybe i should add some clarification.
We don't use Jenkins, so my issue was related purely to the fact classes
under src/main in my module failed to compile using mvn release:perform,
meaning classes under src/test then failed with missing symbols.
Increasing the heap size worked for the 3 of us on my team previously seeing
the issue.
Agree that it would be nice to raise a bug, but in the absence of any test
case to show the issue i haven't done.
Sorry it doesn't help you much
thanks
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