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java.io.IOException: already closed at hudson.remoting.Channel.send(Channel.java:342) at hudson.remoting.Request.call(Request.java:104) at hudson.remoting.Channel.call(Channel.java:481) at hudson.Launcher$RemoteLauncher.kill(Launcher.java:528) at hudson.model.AbstractBuild$AbstractRunner.run(AbstractBuild.java:277) at hudson.model.Run.run(Run.java:923) at hudson.model.Build.run(Build.java:112) at hudson.model.ResourceController.execute(ResourceController.java:93) at hudson.model.Executor.run(Executor.java:119)