See <https://hudson.apache.org/hudson/job/Cassandra/769/>
------------------------------------------ Started by an SCM change Building remotely on ubuntu1 FATAL: Unable to call fetch2. Invalid object ID 6395 java.lang.IllegalStateException: Unable to call fetch2. Invalid object ID 6395 at hudson.remoting.RemoteInvocationHandler$RPCRequest.perform(RemoteInvocationHandler.java:268) at hudson.remoting.Request$2.run(Request.java:270) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) at java.util.concurrent.FutureTask.run(FutureTask.java:138) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:662)