# DbEnv.lock_id |

`

###

    import com.sleepycat.db.*;

    public int lock_id()
    	throws DbException;

# Description

The DbEnv.lock_id method returns a locker ID, which is guaranteed to be unique in the specified lock table.

The DbEnv.lock_id method throws an exception that encapsulates a non-zero error value on failure.

# Errors

The DbEnv.lock_id method may fail and throw an exception for errors specified for other Berkeley DB and C library or system methods. If a catastrophic error has occurred, the DbEnv.lock_id method may fail and throw a DbRunRecoveryException, in which case all subsequent Berkeley DB calls will fail in the same way.

### Classes

DbEnv, DbLock

# See Also

DbEnv.set_lk_conflicts, DbEnv.set_lk_detect, DbEnv.set_lk_max_locks, DbEnv.set_lk_max_lockers, DbEnv.set_lk_max_objects, DbEnv.set_lk_max, DbEnv.lock_detect, DbEnv.lock_get, DbEnv.lock_id, DbLock.put and DbEnv.lock_stat.`

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