stack created HDFS-9187: --------------------------- Summary: Check if tracer is null before using it Key: HDFS-9187 URL: https://issues.apache.org/jira/browse/HDFS-9187 Project: Hadoop HDFS Issue Type: Bug Components: tracing Affects Versions: 2.8.0 Reporter: stack
Saw this where an hbase that has not been updated to htrace-4.0.1 was trying to start: {code} Oct 1, 5:12:11.861 AM FATAL org.apache.hadoop.hbase.master.HMaster Failed to become active master java.lang.NullPointerException at org.apache.hadoop.fs.Globber.glob(Globber.java:145) at org.apache.hadoop.fs.FileSystem.globStatus(FileSystem.java:1634) at org.apache.hadoop.hbase.util.FSUtils.getTableDirs(FSUtils.java:1372) at org.apache.hadoop.hbase.util.FSTableDescriptors.getAll(FSTableDescriptors.java:206) at org.apache.hadoop.hbase.master.HMaster.finishActiveMasterInitialization(HMaster.java:619) at org.apache.hadoop.hbase.master.HMaster.access$500(HMaster.java:169) at org.apache.hadoop.hbase.master.HMaster$1.run(HMaster.java:1481) at java.lang.Thread.run(Thread.java:745) {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)