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70 lines
3.3 KiB
HTML
<!--$Id: env_set_error_stream.so,v 10.13 1999/12/20 08:52:33 bostic Exp $-->
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<!--Copyright 1997, 1998, 1999, 2000 by Sleepycat Software, Inc.-->
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<!--All rights reserved.-->
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<html>
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<head>
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<title>Berkeley DB: DbEnv.set_error_stream</title>
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<meta name="description" content="Berkeley DB: An embedded database programmatic toolkit.">
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<meta name="keywords" content="embedded,database,programmatic,toolkit,b+tree,btree,hash,hashing,transaction,transactions,locking,logging,access method,access methods,java,C,C++">
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</head>
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<body bgcolor=white>
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<a name="2"><!--meow--></a>
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<table><tr valign=top>
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<td>
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<h1>DbEnv.set_error_stream</h1>
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</td>
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<td width="1%">
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<a href="../api_java/java_index.html"><img src="../images/api.gif" alt="API"></a><a href="../ref/toc.html"><img src="../images/ref.gif" alt="Ref"></a>
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</td></tr></table>
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<hr size=1 noshade>
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<tt>
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<h3><pre>
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import com.sleepycat.db.*;
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<p>
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public void Db.set_error_stream(OutputStream s)
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throws DbException
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</pre></h3>
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<h1>Description</h1>
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<p>When an error occurs in the Berkeley DB library, an exception is thrown. In
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some cases, however, the <b>errno</b> value may be insufficient to
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completely describe the cause of the error, especially during initial
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application debugging.
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<p>The DbEnv.set_error_stream method is used to enhance the mechanism for
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reporting error messages to the application by setting a OutputStream
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to be used for displaying additional Berkeley DB error messages. In some cases,
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when an error occurs, Berkeley DB will output an additional error message to
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the specified stream.
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<p>The error message will consist of the prefix string and a colon
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("<b>:</b>") (if a prefix string was previously specified using
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<a href="../api_java/env_set_errpfx.html">DbEnv.set_errpfx</a>), an error string, and a trailing
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<newline> character.
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<p>Alternatively, you can use the <a href="../api_java/env_set_errcall.html">DbEnv.set_errcall</a> method to capture the
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additional error information in a way that does not use output streams.
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You should not mix these approaches.
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<p>This error logging enhancement does not slow performance or significantly
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increase application size, and may be run during normal operation as well
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as during application debugging.
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<h3>Class</h3>
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<a href="../api_java/dbenv_class.html">DbEnv</a>
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<h1>See Also</h1>
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<a href="../api_java/env_close.html">DbEnv.close</a>,
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<a href="../api_java/env_open.html">DbEnv.open</a>,
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<a href="../api_java/env_remove.html">DbEnv.remove</a>,
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<a href="../api_java/env_strerror.html">DbEnv.strerror</a>,
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<a href="../api_java/env_version.html">DbEnv.get_version_string</a>
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<a href="../api_java/env_set_cachesize.html">DbEnv.set_cachesize</a>,
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<a href="../api_java/env_set_errcall.html">DbEnv.set_errcall</a>,
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<a href="../api_java/env_set_error_stream.html">DbEnv.set_error_stream</a>,
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<a href="../api_java/env_set_errpfx.html">DbEnv.set_errpfx</a>,
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<a href="../api_java/env_set_flags.html">DbEnv.set_flags</a>,
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<a href="../api_java/env_set_mutexlocks.html">DbEnv.set_mutexlocks</a>,
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and
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<a href="../api_java/env_set_verbose.html">DbEnv.set_verbose</a>.
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</tt>
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<table><tr><td><br></td><td width="1%">
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<a href="../api_java/java_index.html"><img src="../images/api.gif" alt="API"></a><a href="../ref/toc.html"><img src="../images/ref.gif" alt="Ref"></a>
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</td></tr></table>
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<p><font size=1><a href="http://www.sleepycat.com">Copyright Sleepycat Software</a></font>
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