OPENDJ-2575 VLV indexed search with offset type control does not give expected results The patch is a two man's effort, most Yannick's than mine, actually. The counter index managed internally from VLV was not correctly populated during import/rebuild, since it is not a Tree known by the entry container. Manage VLVIndex with a specific importer task, as other special indexes do, creating a single key after rebuild/import.

OPENDJ-2570 - rebuild-index --rebuildDegraded fails if no indexes are degraded. OnDiskMergeImporter.java : Detect an empty index list and log a message.

OPENDJ-2561 Rebuild-index: vlv cannot seem to be rebuilt The code was trying to find an AttributeIndex even though it was provided a VLV index name ("vlv.people-by-lastname"). The fix is to only look for an AttributeIndex once we know the index name could not be found by any other means.

OPENDJ-2526: NegativeArraySizeException in OnDiskMergeImporter during OpenAM embedded DJ upgrade (DJ 2.6 -> 3.0) Fix: OffHeapBuffer's InputStream read() must return int between 0 and 255.

OPENDJ-2393: Possible index corruption In case of operation cancellation/exception, transactions are rolled back and with them the potential update of indexes' trusted state. That's why in case of transaction rollback we persist the indexes trusted state using another transaction. The number of keys contained in a VLV index is cached. This number can becomes incorrect when transaction updating index keys is aborted. The number of keys is now persisted using a sharded counted. Incorrect PDB RollbackException handling could have cause operations to abort rather than being retried. Refactoring: fix comments, removed dead code (obsoleted by id2children & id2subtree removal) Use specific compact encoding for shared-counter values.

OPENDJ-2349: fix deadlocks during subtree deletes and moddn The following changes were made: * ensure that cursors in JE use read committed isolation, not the default which is repeatable read * ensure that records are locked in a consistent order during update operations: dn2id, dn2uri, id2entry, id2childrenCount, and finally the attribute indexes * added support for deleting records directly from cursors * DN2ID: added renameSubtree() method in order to avoid breaking encapsulation when renaming DN keys during moddn operations * ID2Count: split apart updates to parent counts and total counts so that records can be updated in a well defined order. A consequence of this change is that the total count includes base entries * ID2Entry: added openCursor() method to facilitate implementation of subtree deletes and moddn operations.

OPENDJ-2361: rebuild-index ClearDegradedState option online mode generates an error.

Fixes from PR #107 comments.

OPENDJ-2321: Name of rebuilt index has changed in rebuild-index output.

OPENDJ-2331: rebuild-index should fail when rebuilding a non-existing index

Fix: Rebuild id2childrencount with dn2id

OPENDJ-2316: Rebuild index fails with IllegalArgumentException.

Refactoring: Remove dead-code, use factory methods.

Fix: Exit early if there is no index to rebuild.

Fix --clearDegradedState final log message.

Fix: Remove redundant clearTree().

Fix: Ensure latch is released if beforeImport() throws.

Fix checkstyle

Final manual cleanup

Ran UCDetector on the pluggable and PDB backend

AutoRefactor'ed the pluggable and PDB backend

OPENDJ-2016: New on disk merge import strategy based on storage engine.