[HBASE-17964] ensure hbase-metrics-api is included in mapreduce job classpaths

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 2.0.0
• Fix Version/s: 2.0.0
• Component/s: mapreduce
• Assignee: Sean Busbey
• Reporter: Sean Busbey
• Created: 26/Apr/17 16:48
• Updated: 16/Jun/22 18:19
• Resolved: 04/May/17 15:52

Description

HBASE-9774 moved metrics stuff into a couple of additional modules. currently, MR against snapshots fail because it's unable to find the metrics-api classes it needs for ClientSideRegionScanner.

Error: java.io.IOException: java.lang.NoClassDefFoundError: org/apache/hadoop/hbase/metrics/Snapshot
at org.apache.hadoop.hbase.regionserver.HRegion.initializeStores(HRegion.java:1027)
at org.apache.hadoop.hbase.regionserver.HRegion.initializeRegionInternals(HRegion.java:883)
at org.apache.hadoop.hbase.regionserver.HRegion.initialize(HRegion.java:858)
at org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:6694)
at org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:6651)
at org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:6622)
at org.apache.hadoop.hbase.client.ClientSideRegionScanner.<init>(ClientSideRegionScanner.java:59)
at org.apache.hadoop.hbase.mapreduce.TableSnapshotInputFormatImpl$RecordReader.initialize(TableSnapshotInputFormatImpl.java:211)
at org.apache.hadoop.hbase.mapreduce.TableSnapshotInputFormat$TableSnapshotRegionRecordReader.initialize(TableSnapshotInputFormat.java:140)
at org.apache.hadoop.mapred.MapTask$NewTrackingRecordReader.initialize(MapTask.java:548)

Issue Links

• is broken by: HBASE-9774 HBase native metrics and metric collection for coprocessors
• is related to: HBASE-17622 Add hbase-metrics package to TableMapReduceUtil
• relates to: HBASE-19588 Additional jar dependencies needed for mapreduce PerformanceEvaluation