I have solved this problem ,thanks . the main class is Laucher
------------------ ???????? ------------------ ??????: "Tibor Digana"<tibordig...@apache.org>; ????????: 2019??8??21??(??????) ????4:59 ??????: "Maven Developers List"<dev@maven.apache.org>; ????: Re: I debug the latest maven code ,find this error,anyone can help,why You are providing us with really minimum information. So what are you debugging, what version or snapshot? How you debug it and what's your command or test you run and what platform, etc. It happens only while debugging? Ideal issues would report a bug in Jira. On Wed, Aug 21, 2019 at 4:45 AM ???? <195446...@qq.com> wrote: > [main] ERROR org.apache.maven.cli.MavenCli - > java.util.NoSuchElementException > role: org.apache.maven.eventspy.internal.EventSpyDispatcher > roleHint:
