[SOLR-2135] ConcurrentLRUCache fails if getLatestAccessedItems(0) called

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 3.1, 4.0-ALPHA
• Assignee: Chris M. Hostetter
• Reporter: David Smiley
• Created: 28/Sep/10 21:08
• Updated: 30/Mar/11 15:45
• Resolved: 01/Oct/10 23:35

Description

I'll add a patch which adds a test which demonstrates this.

ERROR 13:26:39 [o.a.s.core.SolrCore] - java.util.NoSuchElementException
at java.util.TreeMap.key(TreeMap.java:1206)
at java.util.TreeMap.lastKey(TreeMap.java:274)
at java.util.TreeSet.last(TreeSet.java:384)
at org.apache.solr.common.util.ConcurrentLRUCache.getLatestAccessedItems(ConcurrentLRUCache.java:437)
at org.apache.solr.search.FastLRUCache.warm(FastLRUCache.java:158)
at org.apache.solr.search.SolrIndexSearcher.warm(SolrIndexSearcher.java:1490)
at org.apache.solr.core.SolrCore$2.call(SolrCore.java:1127)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:637)