[RATIS-512] testLeaderStepDown may fail with NullPointerException

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 0.3.0
• Component/s: test
• Assignee: Tsz-wo Sze
• Reporter: Tsz-wo Sze
• Created: 30/Mar/19 06:12
• Updated: 01/Apr/19 06:32
• Resolved: 01/Apr/19 05:47

Description

2019-03-30 04:33:50,166 ERROR ratis.MiniRaftCluster (MiniRaftCluster.java:runWithNewCluster(122)) - Failed org.apache.ratis.MiniRaftCluster$Factory$Get.runWithNewCluster(MiniRaftCluster.java:107)
java.lang.NullPointerException
	at org.apache.ratis.MiniRaftCluster.toRaftPeer(MiniRaftCluster.java:384)
	at org.apache.ratis.MiniRaftCluster.removePeers(MiniRaftCluster.java:431)
	at org.apache.ratis.server.impl.RaftReconfigurationBaseTest.runTestAddRemovePeers(RaftReconfigurationBaseTest.java:128)
	at org.apache.ratis.server.impl.RaftReconfigurationBaseTest.lambda$testLeaderStepDown$3(RaftReconfigurationBaseTest.java:121)
	at org.apache.ratis.MiniRaftCluster$Factory$Get.runWithNewCluster(MiniRaftCluster.java:119)
	at org.apache.ratis.MiniRaftCluster$Factory$Get.runWithNewCluster(MiniRaftCluster.java:107)
	at org.apache.ratis.server.impl.RaftReconfigurationBaseTest.testLeaderStepDown(RaftReconfigurationBaseTest.java:121)
	...