indexer exited "Unexpected Error Opening Main DB Snapshot"

2016-05-16T08:59:10.440-07:00 [Error] ForestDBSnapshot::Open 

        Unexpected Error Opening Main DB Snapshot (/data/@2i/ORDER_LINE_OL_O_ID_D_ID_W_ID_10885332576624750879_0.index) SeqNum 1586488 FDB_RESULT_NO_DB_INSTANCE

panic: Unable to open snapshot -FDB_RESULT_NO_DB_INSTANCE

goroutine 1 [running]:

panic(0xce6720, 0xc82432c610)

        /home/couchbase/.cbdepscache/exploded/x86_64/go-1.6/go/src/runtime/panic.go:464 +0x3e6 fp=0xc827e34850 sp=0xc827e347d0

github.com/couchbase/indexing/secondary/indexer.(*storageMgr).updateIndexSnapMap(0xc827cf20c0, 0xc8201243f0, 0xc820130004, 0x0, 0x0)

        /home/couchbase/jenkins/workspace/watson-unix/goproj/src/github.com/couchbase/indexing/secondary/indexer/storage_manager.go:922 +0x784 fp=0xc827e34d08 sp=0xc827e34850

github.com/couchbase/indexing/secondary/indexer.NewStorageManager(0xc82015ca20, 0xc82015c8a0, 0xc8201243f0, 0xc820013bf0, 0xc82015ce40, 0x0, 0x0, 0x0, 0x0)

        /home/couchbase/jenkins/workspace/watson-unix/goproj/src/github.com/couchbase/indexing/secondary/indexer/storage_manager.go:126 +0x579 fp=0xc827e34de8 sp=0xc827e34d08

github.com/couchbase/indexing/secondary/indexer.(*indexer).bootstrap(0xc82000c900, 0xc82015ce40, 0x0, 0x0)

        /home/couchbase/jenkins/workspace/watson-unix/goproj/src/github.com/couchbase/indexing/secondary/indexer/indexer.go:3006 +0x31d fp=0xc827e352e8 sp=0xc827e34de8

github.com/couchbase/indexing/secondary/indexer.NewIndexer(0xc82013ab10, 0x0, 0x0, 0x0, 0x0)

        /home/couchbase/jenkins/workspace/watson-unix/goproj/src/github.com/couchbase/indexing/secondary/indexer/indexer.go:275 +0x28ca fp=0xc827e35c10 sp=0xc827e352e8

main.main()

        /home/couchbase/jenkins/workspace/watson-unix/goproj/src/github.com/couchbase/indexing/secondary/cmd/indexer/main.go:105 +0x14e0 fp=0xc827e35f20 sp=0xc827e35c10

runtime.main()

        /home/couchbase/.cbdepscache/exploded/x86_64/go-1.6/go/src/runtime/proc.go:188 +0x2b0 fp=0xc827e35f70 sp=0xc827e35f20

runtime.goexit()

        /home/couchbase/.cbdepscache/exploded/x86_64/go-1.6/go/src/runtime/asm_amd64.s:1998 +0x1 fp=0xc827e35f78 sp=0xc827e35f70