Matteo Bertozzi created HBASE-12257: ---------------------------------------
Summary: TestAssignmentManager unsynchronized access to regionPlans Key: HBASE-12257 URL: https://issues.apache.org/jira/browse/HBASE-12257 Project: HBase Issue Type: Bug Reporter: Matteo Bertozzi There is some code in TestMasterFailover that access regionPlans without synchronized {code} Stack Trace: java.lang.NullPointerException at java.util.TreeMap.rotateLeft(TreeMap.java:2069) at java.util.TreeMap.fixAfterInsertion(TreeMap.java:2127) at java.util.TreeMap.put(TreeMap.java:574) at org.apache.hadoop.hbase.master.TestMasterFailover.testMasterFailoverWithMockedRITOnDeadRS(TestMasterFailover.java:596) {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)