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    Type:Bug 
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    Resolution: Done
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    Priority:Major - P3 
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    Affects Version/s: 2.6.5, 2.8.0-rc0
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    Component/s: Replication
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    None
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        Fully Compatible
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        ALL
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        None
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        None
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A secondary fasserts with the following log message:
2014-11-21T18:57:02.566+0000 E REPL     [repl writer worker 15] writer worker caught exception:  :: caused by :: 85 Index with name: theField_1 already exists with different options on: { ts: Timestamp 1416596222000|61, h: -5680555093148999460, v: 2, op: "i", ns: "JavaDriverTest.system.indexes", o: { key: { theField: 1 }, name: "theField_1", ns: "JavaDriverTest.com.mongodb.acceptancetest.index.AddIndexAcceptanceTest", expireAfterSeconds: 1600 } }
2014-11-21T18:57:02.566+0000 I -        [repl writer worker 15] Fatal Assertion 16360
2014-11-21T18:57:02.566+0000 I -        [repl writer worker 15]
***aborting after fassert() failure
- is duplicated by
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                    SERVER-15871 Segmentation fault in secondary rebuilding index in background -         
- Closed
 
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                    SERVER-13304 starting background index builds on secondaries needs to be synchronous -         
- Closed
 
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- is related to
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                    SERVER-15393 Renaming a collection with newly added background indexes may fail to replicate -         
- Closed
 
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- related to
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                    SERVER-27834 Index builds during initial sync should not implicitly create collections -         
- Closed
 
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