| Name | Description | Type | Package | Framework |
| TwoPhaseCommitTool | A utility for executing 2-phase commit on several objects. | Class | org.apache.lucene.index | Apache Lucene |
| TwoPhaseCommitTool .CommitFailException | Thrown by TwoPhaseCommitTool. | Class | org.apache.lucene.index.TwoPhaseCommitTool | Apache Lucene |
| TwoPhaseCommitTool .PrepareCommitFailException | Thrown by TwoPhaseCommitTool. | Class | org.apache.lucene.index.TwoPhaseCommitTool | Apache Lucene |