[JENKINS-57725] - Wrap Proc.executor in ClassLoaderSanityThreadFactory (jenkinsci#4035)

Author: dwnusbaum

core/src/main/java/hudson/Proc.java

@@ -26,6 +26,7 @@
 import hudson.Launcher.ProcStarter;
 import hudson.model.TaskListener;
 import hudson.remoting.Channel;
+import hudson.util.ClassLoaderSanityThreadFactory;
 import hudson.util.DaemonThreadFactory;
 import hudson.util.ExceptionCatchingThreadFactory;
 import hudson.util.NamingThreadFactory;
@@ -138,7 +139,7 @@ protected Proc() {}
     @CheckForNull
     public abstract OutputStream getStdin();
 
-    private static final ExecutorService executor = Executors.newCachedThreadPool(new ExceptionCatchingThreadFactory(new NamingThreadFactory(new DaemonThreadFactory(), "Proc.executor")));
+    private static final ExecutorService executor = Executors.newCachedThreadPool(new ExceptionCatchingThreadFactory(new NamingThreadFactory(new ClassLoaderSanityThreadFactory(new DaemonThreadFactory()), "Proc.executor")));
 
     /**
      * Like {@link #join} but can be given a maximum time to wait.