NullPointerException in CertifyAndVote class in DistributedTermination

[masoud-io]

This happens usually under high update load

java.lang.NullPointerException
at fr.inria.jessy.transaction.termination.DistributedTermination$CertifyAndVoteTask.run(DistributedTermination.java:663)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)