Null pointer exception when using Test again Dev or building manually

[ghost]

Here is an example, it started happening when building manually for your Scanbiz ticket. Weird, mine ran manually and passed this morning:

java.lang.NullPointerException
    at org.eclipse.jgit.internal.storage.file.UnpackedObjectCache$Table.index(UnpackedObjectCache.java:146)
    at org.eclipse.jgit.internal.storage.file.UnpackedObjectCache$Table.contains(UnpackedObjectCache.java:109)
    at org.eclipse.jgit.internal.storage.file.UnpackedObjectCache.isUnpacked(UnpackedObjectCache.java:64)
    at org.eclipse.jgit.internal.storage.file.ObjectDirectory.openObject(ObjectDirectory.java:373)
    at org.eclipse.jgit.internal.storage.file.WindowCursor.open(WindowCursor.java:145)
    at org.eclipse.jgit.treewalk.CanonicalTreeParser.reset(CanonicalTreeParser.java:202)
    at org.jenkinsci.plugins.sma.SMAGit.getTree(SMAGit.java:372)
    at org.jenkinsci.plugins.sma.SMAGit.getDiffs(SMAGit.java:354)
    at org.jenkinsci.plugins.sma.SMAGit.<init>(SMAGit.java:76)
    at org.jenkinsci.plugins.sma.SMARunner.<init>(SMARunner.java:89)
    at org.jenkinsci.plugins.sma.SMABuilder.perform(SMABuilder.java:65)
    at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:20)
    at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:782)
    at hudson.model.Build$BuildExecution.build(Build.java:205)
    at hudson.model.Build$BuildExecution.doRun(Build.java:162)
    at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:534)
    at hudson.model.Run.execute(Run.java:1738)
    at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
    at hudson.model.ResourceController.execute(ResourceController.java:98)
    at hudson.model.Executor.run(Executor.java:410)

Build step 'Salesforce Migration Assistant' marked build as failure
Finished: FAILURE