I saw this problem a few times (usually when I build from IntelliJ console, after I changed to a different git branch).
My solution is usually: git clean -xdf git reset --hard mvn clean after these steps usually "mvn clean install -DskipTests" works just fine On Wed, May 20, 2020 at 1:27 PM Jun Wang <wj1...@hotmail.com> wrote: > I am using latest maven, build failed with zookeeper source code checked > out from github. but build is fine with downloaded source code > apache-zookeeper-3.6.1.tar.gz > > $ mvn --version > Apache Maven 3.6.3 (cecedd343002696d0abb50b32b541b8a6ba2883f) > Maven home: /home/jun/programs/apache-maven-3.6.3 > Java version: 1.8.0_251, vendor: Oracle Corporation, runtime: > /home/jun/programs/jdk1.8.0_251/jre > Default locale: en_US, platform encoding: UTF-8 > OS name: "linux", version: "4.10.0-38-generic", arch: "amd64", family: > "unix" > > > ________________________________ > From: Michael Han <h...@apache.org> > Sent: Wednesday, May 20, 2020 1:08 AM > To: user <user@zookeeper.apache.org> > Cc: d...@zookeeper.apache.org <d...@zookeeper.apache.org> > Subject: Re: Need Help with Maven Build > > hi jun - which maven version you are using? > > If it's 3.5.x, try upgrade to 3.6.x. I had the exact same issue a while > back and upgrade maven fixed this, so I didn't bother to debug. That said, > it's interesting to understand why we failed under specific version of > maven / env, so cc dev list where we have a few maven experts who might be > able to help debug. > > > On Tue, May 19, 2020 at 8:34 AM Jun Wang <wj1...@hotmail.com> wrote: > > > Hi > > > > I got following build error with latest code from github. But build is > > fine with downloaded source code. Any suggestion is appreciated. > > > > [ERROR] Failed to execute goal > > org.apache.maven.plugins:maven-compiler-plugin:3.8.1:compile > > (default-compile) on project zookeeper: Fatal error compiling: > > java.lang.NullPointerException -> [Help 1] > > > > > > > https://gist.githubusercontent.com/wj1918/b1bcea0473b9ff2096ffa22e3c387e8f/raw/8c2ccfb7919470e0e874abdec5633976720e3dca/zookeeper.build.error.txt > > > > Thanks > > Jun >
