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=== PIP installation is slow ===
If Python packages are slow to install you should check that PIP mirrors are not enabled in the [http://qa-selenium.mv.mozilla.com:8080/configure Configure System] page. If mirrors are not enabled, it may be that the internal PyPI mirror is slow to respond. In this case, try temporarily changing the PIP index URL.
=== Stalled node jobs ===
If jobs running on nodes appear to have stalled in post-build actions it may be that the node momentarily lost connection with the master. We have seen this with our Linux nodes running Open JDK. The problem was resolved by switching to Oracle's JDK. To do this, take the node temporarily offline and SSH into the box. Then run the following commands to remove Open JDK and install Oracle's JDK:
sudo apt-get purge openjdk*
sudo add-apt-repository ppa:webupd8team/java
sudo apt-get update
sudo apt-get install oracle-java7-installer
You can confirm the version of Java using the command:
java -version
Once this is done, you can launch the node again from Jenkins web console.
= References =
Some content has been taken from [https://wiki.jenkins-ci.org/display/JENKINS/Thanks+for+using+OSX+Installer here].
