按照文档里的步骤说明,执行到 lean up时报如下错误,请问怎么解决?
[INFO] Started Jetty Server
[INFO] Jetty server exiting.
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 4.801 s
[INFO] Finished at: 2018-01-10T14:22:47+08:00
[INFO] Final Memory: 37M/286M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.eclipse.jetty:jetty-maven-plugin:9.3.10.v20160621:run (default-cli) on project java-war-getting-started: Failure: User limit of inotify watches reached -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException
Exception in thread "Thread-1" java.lang.NoClassDefFoundError: org/eclipse/jetty/util/FutureCallback
at org.eclipse.jetty.server.AbstractConnector.shutdown(AbstractConnector.java:289)
at org.eclipse.jetty.server.AbstractNetworkConnector.shutdown(AbstractNetworkConnector.java:108)
at org.eclipse.jetty.server.ServerConnector.shutdown(ServerConnector.java:337)
at org.eclipse.jetty.maven.plugin.MavenServerConnector.shutdown(MavenServerConnector.java:142)
at org.eclipse.jetty.server.Server.doStop(Server.java:431)
at org.eclipse.jetty.util.component.AbstractLifeCycle.stop(AbstractLifeCycle.java:89)
at org.eclipse.jetty.util.thread.ShutdownThread.run(ShutdownThread.java:138)
Caused by: java.lang.ClassNotFoundException: org.eclipse.jetty.util.FutureCallback
at org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass(SelfFirstStrategy.java:50)
at org.codehaus.plexus.classworlds.realm.ClassRealm.unsynchronizedLoadClass(ClassRealm.java:271)
at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:247)
at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:239)
... 7 more