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<title>Berkeley DB: DbEnv.lock_id</title>
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<h1>DbEnv.lock_id</h1>
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import com.sleepycat.db.*;
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<p>The DbEnv.lock_id method
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returns a locker ID, which is guaranteed to be unique in the specified lock
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<p>The <a href="../api_java/lock_id_free.html">DbEnv.lock_id_free</a> method should be called to return the locker ID to
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the Berkeley DB library when it is no longer needed.
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<p>The DbEnv.lock_id method throws an exception that encapsulates a non-zero error value on
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<p>The DbEnv.lock_id method may fail and throw an exception for errors specified for other Berkeley DB and C library or system methods.
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If a catastrophic error has occurred, the DbEnv.lock_id method may fail and
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throw a <a href="../api_java/runrec_class.html">DbRunRecoveryException</a>,
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in which case all subsequent Berkeley DB calls will fail in the same way.
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<a href="../api_java/env_class.html">DbEnv</a>, <a href="../api_java/lock_class.html">DbLock</a>
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<a href="../api_java/lock_list.html">Locking Subsystem and Related Methods</a>
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