See <https://builds.apache.org/job/Oltu-OAuth-2.0/762/display/redirect>
------------------------------------------ Started by an SCM change [EnvInject] - Loading node environment variables. ERROR: SEVERE ERROR occurs org.jenkinsci.lib.envinject.EnvInjectException: hudson.remoting.ChannelClosedException: channel is already closed at org.jenkinsci.plugins.envinject.service.EnvironmentVariablesNodeLoader.gatherEnvVarsForNode(EnvironmentVariablesNodeLoader.java:95) at org.jenkinsci.plugins.envinject.EnvInjectListener.loadEnvironmentVariablesNode(EnvInjectListener.java:80) at org.jenkinsci.plugins.envinject.EnvInjectListener.setUpEnvironment(EnvInjectListener.java:43) at hudson.model.AbstractBuild$AbstractBuildExecution.createLauncher(AbstractBuild.java:572) at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:492) at hudson.model.Run.execute(Run.java:1728) at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:542) at hudson.model.ResourceController.execute(ResourceController.java:98) at hudson.model.Executor.run(Executor.java:405) Caused by: hudson.remoting.ChannelClosedException: channel is already closed at hudson.remoting.Channel.send(Channel.java:605) at hudson.remoting.Request.call(Request.java:130) at hudson.remoting.Channel.call(Channel.java:829) at hudson.FilePath.act(FilePath.java:1080) at org.jenkinsci.plugins.envinject.service.EnvironmentVariablesNodeLoader.gatherEnvVarsForNode(EnvironmentVariablesNodeLoader.java:64) ... 8 more Caused by: java.io.IOException at hudson.remoting.Channel.close(Channel.java:1292) at hudson.slaves.ChannelPinger$1.onDead(ChannelPinger.java:180) at hudson.remoting.PingThread.ping(PingThread.java:130) at hudson.remoting.PingThread.run(PingThread.java:86) Caused by: java.util.concurrent.TimeoutException: Ping started at 1499276083406 hasn't completed by 1499276323407 ... 2 more [EnvInject] - [ERROR] - SEVERE ERROR occurs: A Maven installation needs to be available for this project to be built.Either your server has no Maven installations defined, or the requested Maven version does not exist.