[HBASE-22944] TableNotFoundException: hbase:quota is thrown when region server is restarted.

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 3.0.0-alpha-1, 2.3.0, 2.1.7, 2.2.2
• Component/s: Quotas
• Hadoop Flags: Reviewed
• Assignee: Shardul Singh
• Reporter: Shardul Singh
• Created: 29/Aug/19 06:04
• Updated: 21/Sep/19 03:09
• Resolved: 20/Sep/19 17:52

Description

During Master startup if quota feature is enabled and region server is running TableNotFoundException occurs in regionServer logs

SpaceQuotaRefresherChore does not checks whether hbase:quota table is present,before starting its operation which sometimes may result to TableNotFoundExceptions like below.

This is because master has not created the hbase:quota table and SpaceQuotaRefresherChore is running.

java.io.UncheckedIOException: org.apache.hadoop.hbase.
TableNotFoundException: hbase:quota
at org.apache.hadoop.hbase.client.ResultScanner$1.hasNext(ResultScanner.java:55)
 at org.apache.hadoop.hbase.quotas.SpaceQuotaRefresherChore.fetchSnapshotsFromQuotaTable(SpaceQuotaRefresherChore.java:170)
 at org.apache.hadoop.hbase.quotas.SpaceQuotaRefresherChore.chore(SpaceQuotaRefresherChore.java:84)
 at org.apache.hadoop.hbase.ScheduledChore.run(ScheduledChore.java:186)
 at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
 at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
 at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
 at org.apache.hadoop.hbase.JitterScheduledThreadPoolExecutorImpl$JitteredRunnableScheduledFuture.run(JitterScheduledThreadPoolExecutorImpl.java:111)
 at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
 at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
 at java.lang.Thread.run(Thread.java:748)

 

Issue Links

• links to: GitHub Pull Request #559