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<dl>
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<dt>All Implemented Interfaces:</dt>
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<br>
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<pre>public class <span class="typeNameLabel">ThreadInterruptedException</span>
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extends <a href="../../../com/sleepycat/je/EnvironmentFailureException.html" title="class in com.sleepycat.je">EnvironmentFailureException</a></pre>
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<div class="block">Thrown when <code>java.lang.InterruptedException</code> (a thread interrupt) or
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<code>java.nio.channels.ClosedChannelException</code> (which also results from a
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thread interrupt) occurs in any JE method. This occurs when the application,
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or perhaps a library or container that the application is using, calls
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<code>Thread.interrupt()</code>.
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<p>Calling <code>Thread.interrupt</code> is not recommended for an active JE
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thread if the goal is to stop the thread or do thread coordination. If you
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interrupt a thread that is executing a JE operation, the state of the
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environment will be undefined. That's because JE might have been in the
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middle of I/O activity when the operation was aborted midstream, and it
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becomes very difficult to detect and handle all possible outcomes.</p>
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<p>When JE detects the interrupt, it will mark the environment invalid and
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will throw a <code>ThreadInterruptedException</code>. This tells you that you
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must close the environment and re-open it before using it again. This is
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necessary, because if JE didn't throw <code>ThreadInterruptedException</code>, it
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is very likely that you would get some other exception that is less
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meaningful, or simply see corrupted data.</p>
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<p>Instead, applications should use other mechanisms like <code>Object.notify</code> and <code>wait</code> to coordinate threads. For example, use a
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<code>keepRunning</code> variable of some kind in each thread. Check this
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variable in your threads, and return from the thread when it is false. Set
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it to false when you want to stop the thread. If this thread is waiting to
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be woken up to do another unit of work, use <code>Object.notify</code> to wake it
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up. This is the recommended technique.</p>
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<p>However, if the use of <code>Thread.interrupt</code> is unavoidable, be sure
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to use it only when shutting down the environment. In this situation,
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the <code>ThreadInterruptedException</code> should be expected. Note that
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by shutting down the environment abnormally, recovery time will be longer
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when the environment is subsequently opened, because a final checkpoint was
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not performed.</p>
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<p>Existing <a href="../../../com/sleepycat/je/Environment.html" title="class in com.sleepycat.je"><code>Environment</code></a> handles are invalidated as a result of this
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exception.</p></div>
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<dl>
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<dt><span class="simpleTagLabel">Since:</span></dt>
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<dd>4.0</dd>
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<dt><span class="seeLabel">See Also:</span></dt>
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<dd><a href="../../../serialized-form.html#com.sleepycat.je.ThreadInterruptedException">Serialized Form</a></dd>
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<h3>Methods inherited from class com.sleepycat.je.<a href="../../../com/sleepycat/je/EnvironmentFailureException.html" title="class in com.sleepycat.je">EnvironmentFailureException</a></h3>
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<code><a href="../../../com/sleepycat/je/EnvironmentFailureException.html#getMessage--">getMessage</a>, <a href="../../../com/sleepycat/je/EnvironmentFailureException.html#isCorrupted--">isCorrupted</a></code></li>
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<code>addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString</code></li>
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<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait</code></li>
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<div class="aboutLanguage"><b>Berkeley DB Java Edition</b><br><font size=\"-1\"> version 7.5.11</font>
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