[HDFS-8173] NPE thrown at DataNode shutdown when HTTP server was not able to create

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 2.8.0, 3.0.0-alpha1
• Component/s: datanode
• Hadoop Flags: Reviewed
• Assignee: Surendra Singh Lilhore
• Reporter: Archana T
• Created: 17/Apr/15 10:53
• Updated: 30/Aug/16 01:36
• Resolved: 20/Apr/15 09:30

Description

NPE thrown at Datanode startup –

2015-04-17 17:37:01,069 WARN org.apache.hadoop.hdfs.server.datanode.DataNode: Exception shutting down DataNode HttpServer
java.lang.NullPointerException
        at org.apache.hadoop.hdfs.server.datanode.DataNode.shutdown(DataNode.java:1703)
        at org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:433)
        at org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:2392)
        at org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:2279)
        at org.apache.hadoop.hdfs.server.datanode.DataNode.createDataNode(DataNode.java:2326)
        at org.apache.hadoop.hdfs.server.datanode.DataNode.secureMain(DataNode.java:2503)
        at org.apache.hadoop.hdfs.server.datanode.DataNode.main(DataNode.java:2527)