Jenkins Notes¶

The Jenkins Nodes¶

Machine	Description	Architecture	OS
brunel_mice_host	High spec machine	64bit	SL6.4
heplnm070	The old master	64bit	SL5.4
heplnm071	Online mimic	64bit	SL5.7
heplnv157	The new master, virtual machine	64bit	SL6.8

Trouble shooting¶

To restart Jenkins¶

• Drain all the jobs
• Log into to the master and run sudo /etc/init.d/jenkins restart

Fixing slave node connection failures¶

• From the Jenkins web interface go to Manage Jenkins -> Manage Nodes and select the node in question
• Select Log from the options on the right and review
• An error of "Caused by: java.lang.OutOfMemoryError: Java heap space" can fixed by:
  • Log in to the master
  • As sudo edit /var/lib/jenkins/launch_foo_slave.sh (where foo indicates the node name) and edit the following line:

REMOTE_CMD="exec java -Xmx1024m -jar ./MAUStests/slave.jar" 

to

REMOTE_CMD="exec java -Xmx2048m -jar ./MAUStests/slave.jar" 

which increase the allocated heap space for the java Jenkins slave app.

• Restart Jenkins

Test Failures Due to Jenkins Faults¶

Date	Branch	Machine	Problem	Cause	Solution
26-06-2015	adobbs_release_candidate	brunel_test_box	GEANT4 build failed	Source download error	None, just rerun build
12-05-2015	MAUS_Online	heplnm071	DAQ add-ons build failed: build/libInputCppDAQOnlineData.so: undefined reference to `__isoc99_sscanf'	Online not compatible with SL5
08-05-2015	release-candidate	brunel_test_box	Jenkins failing to find env.sh	Path needed as well as filename	Use ./env.sh
06-05-2015	release-candidate	heplnm070	"Checks that no other program is grabbing the MAUS help function" fails	Authentication issues leading to X window failure, causing test to fail
02-05-2015	MAUS_integration_tests	brunel_test_box		Broken network pipe	Re-run job
23-04-2015	MAUS_integration_tests	heplnm070	Failed to open X window	Broken network pipe	Re-run job
22-04-2015	MAUS_per_commit_third_party_heplnv157	heplnv157	File access failure	Authentication issues	Paolo fixed underlying authentication problems