爲什麼會發生這種異常？ Lucene異常

我們的應用程序每2小時左右崩潰一次，而且我們正在看到數據庫連接出現峯值。還沒有孤立這個問題。爲什麼會發生這種異常？ Lucene異常

有人可以迴應以下例外的真正意義，它可以激增數據庫連接問題。

謝謝。

org.compass.core.engine.SearchEngineException: Failed to open writer for sub index [premiumobjectmessage]; nested exception is org.apache.lucene.store.LockObtainFailedException: Lock obtain timed out: [email protected]/opt/compass/index/premiumobjectmessage/lucene-9af515d29c67db8ae587aab2becbc6f3-write.lock 
org.apache.lucene.store.LockObtainFailedException: Lock obtain timed out: [email protected]/opt/compass/index/premiumobjectmessage/lucene-9af515d29c67db8ae587aab2becbc6f3-write.lock 
org.compass.core.engine.SearchEngineException: Failed to open writer for sub index [premiumobjectmessage]; nested exception is org.apache.lucene.store.LockObtainFailedException: Lock obtain timed out: [email protected]/opt/compass/index/premiumobjectmessage/lucene-9af515d29c67db8ae587aab2becbc6f3-write.lock 
org.apache.lucene.store.LockObtainFailedException: Lock obtain timed out: [email protected]/opt/compass/index/premiumobjectmessage/lucene-9af515d29c67db8ae587aab2becbc6f3-write.lock 
org.compass.core.engine.SearchEngineException: Failed to open writer for sub index [premiumobjectmessage]; nested exception is org.apache.lucene.store.LockObtainFailedException: Lock obtain timed out: [email protected]/opt/compass/index/premiumobjectmessage/lucene-9af515d29c67db8ae587aab2becbc6f3-write.lock 
org.apache.lucene.store.LockObtainFailedException: Lock obtain timed out: [email protected]/opt/compass/index/premiumobjectmessage/lucene-9af515d29c67db8ae587aab2becbc6f3-write.lock

來源

2012-08-17 Jason

這源於想要打開相同FSDirectory多個線程/進程。也許每個有自己數據庫連接的線程也會自己創建IndexReader，這將是一個錯誤的方法。 IndexReader s/IndexSearcher必須像DB連接本身一樣彙集，最好使用NRTManager。

來源

2012-08-17 16:27:39

謝謝Marko。將盡量按照您的指示。 – Jason 2012-08-17 16:52:04

爲什麼會發生這種異常？ Lucene異常

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