[HBASE-7627] UnsupportedOperationException in CatalogJanitor thread.

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Not A Problem
• Affects Version/s: hbase-7290, 0.95.2
• Assignee: Unassigned
• Reporter: Jonathan Hsieh
• Created: 19/Jan/13 00:56
• Updated: 16/Jun/22 01:16
• Resolved: 03/Apr/13 22:58

Description

While testing snapshot branch I found this exception.

2013-01-18 05:42:09,832 ERROR org.apache.hadoop.hbase.master.CatalogJanitor: Caught exception
java.lang.UnsupportedOperationException
	at java.util.AbstractList.remove(AbstractList.java:144)
	at org.apache.hadoop.hbase.client.HTable.delete(HTable.java:738)
	at org.apache.hadoop.hbase.catalog.MetaEditor.deleteFromMetaTable(MetaEditor.java:145)
	at org.apache.hadoop.hbase.catalog.MetaEditor.deleteFromMetaTable(MetaEditor.java:132)
	at org.apache.hadoop.hbase.catalog.MetaEditor.deleteDaughtersReferencesInParent(MetaEditor.java:372)
	at org.apache.hadoop.hbase.master.CatalogJanitor.removeDaughtersFromParent(CatalogJanitor.java:288)
	at org.apache.hadoop.hbase.master.CatalogJanitor.cleanParent(CatalogJanitor.java:239)
	at org.apache.hadoop.hbase.master.CatalogJanitor.scan(CatalogJanitor.java:142)
	at org.apache.hadoop.hbase.master.CatalogJanitor.initialChore(CatalogJanitor.java:74)
	at org.apache.hadoop.hbase.Chore.run(Chore.java:65)
	at java.lang.Thread.run(Thread.java:662)

This was introduced by HBASE-7365 (currently committed in snapshot branch, soon to be committed to trunk.)