Successful builds will fail seemingly at random with the below exception.

Started by timer
[EnvInject] - Loading node environment variables.
Building in workspace <http://
com/job/CA-Colossus_Monitor/ws/>
[workspace] $ /bin/sh -xe /tmp/hudson7219746524057295462.sh
+ ruby /etc/git/automation_scripts/ruby/colossus_monitor.rb ca
-0.006550645982850592
FATAL: null
java.lang.ArrayIndexOutOfBoundsException
at java.io.FileInputStream.readBytes(Native Method)
at java.io.FileInputStream.read(FileInputStream.java:233)
at org.apache.commons.io.IOUtils.copyLarge(IOUtils.java:1792)
at org.apache.commons.io.IOUtils.copyLarge(IOUtils.java:1769)
at org.apache.commons.io.IOUtils.copy(IOUtils.java:1744)
at org.apache.commons.io.IOUtils.toByteArray(IOUtils.java:462)
at hudson.util.ProcessTree$Linux.readFileToByteArray(ProcessTree.java:745)
at hudson.util.ProcessTree$Linux$LinuxProcess.getEnvironmentVariables(ProcessTree.java:725)
at hudson.util.ProcessTree$OSProcess.hasMatchingEnvVars(ProcessTree.java:277)
at hudson.util.ProcessTree$Unix.killAll(ProcessTree.java:513)
at hudson.Launcher$LocalLauncher.kill(Launcher.java:838)
at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:540)
at hudson.model.Run.execute(Run.java:1741)
at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
at hudson.model.ResourceController.execute(ResourceController.java:98)
at hudson.model.Executor.run(Executor.java:410)