It was the maven team which informed me the issue is with ubuntu compiling wrong classes incorrectly as described.
Now all my software is running without warnings. I can also use any jdk even the bleeding jdk version. People are using maven and jdk with Tomcat. Don't shoot the messenger. On Mon, 6 Jan 2020, 20:17 Michael Osipov, <micha...@apache.org> wrote: > Am 2020-01-06 um 21:13 schrieb Zahid Rahman: > > That must be the reason why Apache Netbeans is using a version from 2015 > > and Apache Struts is recommending to use jdk 8. > > > > Because there is somebody like you keeps telling people it is off topic > > and Giant IT companies are not releasing jdk further than JDK 8. > > > > The issue is a miserable and disgraceful failure in coordination by > Apache > > Foundation. > > This still has absolutely *nothing* to do with Tomcat. Complain to > Debian for modifying packages. The Maven Team rejects any kind of source > code modifications. > > > > On Mon, 6 Jan 2020, 19:45 Mark Thomas, <ma...@apache.org> wrote: > > > >> On 06/01/2020 18:37, Zahid Rahman wrote: > >>> To all ubuntu Maven users. > >> > >> This is off-topic for this mailing list. > >> > >> Please keep posts on this list on topic. > >> > >> Thanks, > >> > >> Mark > >> > >> > >>> > >>> Do NOT install maven using > >>> sudo apt install maven > >>> > >>> Install by direct download only from > >>> https://maven.apache.org/download.cgi > >>> > >>> BECAUSE: > >>> > >>> "I seem to remember they [ubuntu] have their own build of Maven which > >>> differs from the Apache source. > >>> > >>> ( https://bugs.launchpad.net/ubuntu/+source/maven/+bug/1754602 > suggests > >>> it's a known bug in their packaging/build? ) > >>> > >>> If you download Maven from http://maven.apache.org/download.cgi and > >> follow > >>> the instructions in http://maven.apache.org/install.html then you > >> shouldn't > >>> see those warnings. " > >>> ‐------------------- > >>> > >>> The Java 11 warning mentions that "/usr/share/maven/lib/guice.jar" has > a > >>> class named "com.google.inject.internal.cglib.core.$ReflectUtils$1" > >>> > >>> This looks suspect because the official Maven distribution uses the > >>> "no-AOP" version of Guice which doesn't contain any CGLIB classes. It > >>> suggests that whoever provided that copy of Maven has replaced the > >> "no-AOP" > >>> version with the "AOP" version, and this will cause warnings on Java > 11. > >>> (The "AOP" version uses CGLIB which currently relies on certain > >> reflective > >>> access that Java 11 warns about - whereas the "no-AOP" version > doesn't.) > >>> > >> > >> > >> --------------------------------------------------------------------- > >> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > >> For additional commands, e-mail: users-h...@tomcat.apache.org > >> > >> > >> > > > > >
