[HBASE-5964] HFileSystem: "No FileSystem for scheme: hdfs"

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.94.0, 0.95.2
• Fix Version/s: 0.94.1, 0.95.0

Environment

Hadoop 2.0.0-alpha-SNAPSHOT, HBase 0.94.0-SNAPSHOT

• Hadoop Flags: Reviewed
• Assignee: Andrew Kyle Purtell
• Reporter: Andrew Kyle Purtell
• Created: 08/May/12 22:26
• Updated: 26/Feb/13 08:16
• Resolved: 09/May/12 18:48

Description

I've been seeing this with Hadoop 2.0.0-alpha-SNAPSHOT and HBase 0.94.0-SNAPSHOT:

2012-05-08 15:18:00,692 FATAL [RegionServer:0;acer.localdomain,48307,1336515479011] regionserver.HRegionServer(1674): ABORTING region server acer.localdomain,48307,1336515479011: Unhandled exception: No FileSystem for scheme: hdfs
java.io.IOException: No FileSystem for scheme: hdfs
	at org.apache.hadoop.hbase.fs.HFileSystem.newInstanceFileSystem(HFileSystem.java:146)
	at org.apache.hadoop.hbase.fs.HFileSystem.<init>(HFileSystem.java:75)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.handleReportForDutyResponse(HRegionServer.java:973)
	at org.apache.hadoop.hbase.MiniHBaseCluster$MiniHBaseClusterRegionServer.handleReportForDutyResponse(MiniHBaseCluster.java:110)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:671)
	at org.apache.hadoop.hbase.MiniHBaseCluster$MiniHBaseClusterRegionServer.runRegionServer(MiniHBaseCluster.java:136)
	at org.apache.hadoop.hbase.MiniHBaseCluster$MiniHBaseClusterRegionServer.access$000(MiniHBaseCluster.java:89)
	at org.apache.hadoop.hbase.MiniHBaseCluster$MiniHBaseClusterRegionServer$1.run(MiniHBaseCluster.java:120)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:357)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1212)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:616)
	at org.apache.hadoop.hbase.util.Methods.call(Methods.java:37)
	at org.apache.hadoop.hbase.security.User.call(User.java:586)
	at org.apache.hadoop.hbase.security.User.access$700(User.java:50)
	at org.apache.hadoop.hbase.security.User$SecureHadoopUser.runAs(User.java:426)
	at org.apache.hadoop.hbase.MiniHBaseCluster$MiniHBaseClusterRegionServer.run(MiniHBaseCluster.java:118)
	at java.lang.Thread.run(Thread.java:679)

Not sure precisely when it started. First I thought it might be due to HBASE-5955 but I cherry picked that change over from trunk. Then I got HBASE-5963 out of the way.