Looks like jetty uses a version of asm (asm-5.0.3) that cannot handle multi-version jars. This is a bug in asm, not in slf4j or Log4j2.
(Shameless plug) Every java main() method deserves http://picocli.info > On Jan 10, 2018, at 10:47, Damien <maitred...@gmail.com> wrote: > > Hi, > > I am using jetty 9 to launch my app, and it do reflection on libs to find > extensions, providers, and so on... > > When I launch my app, I have this error : > java.lang.RuntimeException: Error scanning entry > META-INF/versions/9/org/apache/logging/log4j/util/ProcessIdUtil.class from > jar > file:/home/damien/projets/myapp/server/build/serverBaseDir_jetty9/webapps-exploded/localsite-api-server/webapp/WEB-INF/lib/log4j-api-2.9.1.jar > at > org.eclipse.jetty.annotations.AnnotationParser.parseJar(AnnotationParser.java:913) > ~[jetty-annotations-9.2.22.v20170606.jar:9.2.22.v20170606] > ... 6 common frames omitted > Caused by: java.lang.IllegalArgumentException: null > at org.objectweb.asm.ClassReader.<init>(Unknown Source) > ~[asm-5.0.3.jar:5.0.3] > at org.objectweb.asm.ClassReader.<init>(Unknown Source) > ~[asm-5.0.3.jar:5.0.3] > at org.objectweb.asm.ClassReader.<init>(Unknown Source) > ~[asm-5.0.3.jar:5.0.3] > at > org.eclipse.jetty.annotations.AnnotationParser.scanClass(AnnotationParser.java:973) > ~[jetty-annotations-9.2.22.v20170606.jar:9.2.22.v20170606] > at > org.eclipse.jetty.annotations.AnnotationParser.parseJarEntry(AnnotationParser.java:956) > ~[jetty-annotations-9.2.22.v20170606.jar:9.2.22.v20170606] > at > org.eclipse.jetty.annotations.AnnotationParser.parseJar(AnnotationParser.java:909) > ~[jetty-annotations-9.2.22.v20170606.jar:9.2.22.v20170606] > ... 6 common frames omitted > > By replacing log4j 2 with a slf4j bridge, this would fix my problem. Is there > any other solution to fix my problem ? > > Thanks. > > 2018-01-10 12:21 GMT+11:00 Remko Popma <remko.po...@gmail.com>: >> Hi Damien, >> >> You can’t use the log4j-over-slf4j adapter (it only works with Log4j 1.2). >> >> Log4j2 includes an slf4j adapter: the log4j-slf4j-impl module. See >> https://logging.apache.org/log4j/2.x/log4j-to-slf4j/index.html >> >> Remko >> >> (Shameless plug) Every java main() method deserves http://picocli.info >> >> >> >>> On Wed, Jan 10, 2018 at 10:13 Damien <maitred...@gmail.com> wrote: >>> Hi :), >>> >>> I am using a lib that uses log4j 2 (apache.logging.log4j.*). >>> >>> My build script (graddle) has easily replaced log4j 1 libs with >>> log4j-over-slf4j, but does not handle log4j 2. >>> >>> Is there a version for log4j 2 ? Or is someone working on it ? >>> >>> Thanks :) >>> >>> Damien >>> _______________________________________________ >>> slf4j-dev mailing list >>> slf4j-dev@qos.ch >>> http://mailman.qos.ch/mailman/listinfo/slf4j-dev >> >> _______________________________________________ >> slf4j-dev mailing list >> slf4j-dev@qos.ch >> http://mailman.qos.ch/mailman/listinfo/slf4j-dev > > _______________________________________________ > slf4j-dev mailing list > slf4j-dev@qos.ch > http://mailman.qos.ch/mailman/listinfo/slf4j-dev
_______________________________________________ slf4j-dev mailing list slf4j-dev@qos.ch http://mailman.qos.ch/mailman/listinfo/slf4j-dev
