hg: jmc/jmc: JMC-5398: Call to "attach busy" JVM hangs and blocks the listing of other local JVMs

[neugens.limasoftware at gmail.com]

Changeset: 49f6575169ce
Author:    neugens
Date:      2018-07-31 20:02 +0200
URL:       http://hg.openjdk.java.net/jmc/jmc/rev/49f6575169ce

JMC-5398: Call to "attach busy" JVM hangs and blocks the listing of other local JVMs
Summary: Add timeouts to ensure connecting to busy or blocked JVMs does not block forever
Reviewed-by: neugens, hirt
Contributed-by: Joshua Matsuoka <jmatsuok at redhat.com>

! application/org.openjdk.jmc.browser.attach/src/main/java/org/openjdk/jmc/browser/attach/LocalConnectionDescriptor.java
! application/org.openjdk.jmc.browser.attach/src/main/java/org/openjdk/jmc/browser/attach/LocalJVMToolkit.java