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<title>Apache log4cxx: FallbackErrorHandler Class Reference</title>
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<a class="el" href="namespacelog4cxx.html">log4cxx</a>::<a class="el" href="namespacelog4cxx_1_1varia.html">varia</a>::<a class="el" href="classlog4cxx_1_1varia_1_1_fallback_error_handler.html">FallbackErrorHandler</a></div>
<h1>FallbackErrorHandler Class Reference</h1><!-- doxytag: class="log4cxx::varia::FallbackErrorHandler" --><!-- doxytag: inherits="log4cxx::spi::ErrorHandler,log4cxx::helpers::ObjectImpl" -->Inherits <a class="el" href="classlog4cxx_1_1spi_1_1_error_handler.html">ErrorHandler</a>, and <a class="el" href="classlog4cxx_1_1helpers_1_1_object_impl.html">ObjectImpl</a>.
<p>
<a href="classlog4cxx_1_1varia_1_1_fallback_error_handler-members.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>
The <code><a class="el" href="classlog4cxx_1_1varia_1_1_fallback_error_handler.html">FallbackErrorHandler</a></code> implements the ErrorHandler interface such that a secondary appender may be specified.
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This secondary appender takes over if the primary appender fails for whatever reason.<p>
The error message is printed on <code>System.err</code>, and logged in the new secondary appender.
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<table border="0" cellpadding="0" cellspacing="0">
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<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1varia_1_1_fallback_error_handler.html#296193900a0a4138a321278fe177cacd">FallbackErrorHandler</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1varia_1_1_fallback_error_handler.html#0198815940c2715c84b0e04828cf8dfa">addRef</a> () const </td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1varia_1_1_fallback_error_handler.html#55c31efee1904916b999395fa4d46a24">releaseRef</a> () const </td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1varia_1_1_fallback_error_handler.html#d71cb681f580c2dd0ac0b15c4c5cf979">setLogger</a> (const <a class="el" href="classlog4cxx_1_1helpers_1_1_object_ptr_t.html">LoggerPtr</a> &amp;logger)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight"><em>Adds</em> the logger passed as parameter to the list of loggers that we need to search for in case of appender failure. <a href="#d71cb681f580c2dd0ac0b15c4c5cf979"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1varia_1_1_fallback_error_handler.html#a3df68f8aae152299471992071e202f5">activateOptions</a> (<a class="el" href="classlog4cxx_1_1helpers_1_1_pool.html">log4cxx::helpers::Pool</a> &amp;p)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">No options to activate. <a href="#a3df68f8aae152299471992071e202f5"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1varia_1_1_fallback_error_handler.html#c1d269357907e0809687a2bec962e1c8">setOption</a> (const <a class="el" href="namespacelog4cxx.html#d7ec98d27bca7666e23f27dd1fb181c8">LogString</a> &amp;option, const <a class="el" href="namespacelog4cxx.html#d7ec98d27bca7666e23f27dd1fb181c8">LogString</a> &amp;value)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Set <code>option</code> to <code>value</code>. <a href="#c1d269357907e0809687a2bec962e1c8"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1varia_1_1_fallback_error_handler.html#9084c6c8c225845ed09867b730590514">error</a> (const <a class="el" href="namespacelog4cxx.html#d7ec98d27bca7666e23f27dd1fb181c8">LogString</a> &amp;message, const std::exception &amp;e, int errorCode) const </td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Prints the message and the stack trace of the exception on <code>System.err</code>. <a href="#9084c6c8c225845ed09867b730590514"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1varia_1_1_fallback_error_handler.html#24071234bd8fa94ccab51c6ac5e246c5">error</a> (const <a class="el" href="namespacelog4cxx.html#d7ec98d27bca7666e23f27dd1fb181c8">LogString</a> &amp;message, const std::exception &amp;e, int errorCode, const <a class="el" href="classlog4cxx_1_1helpers_1_1_object_ptr_t.html">spi::LoggingEventPtr</a> &amp;event) const </td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Prints the message and the stack trace of the exception on <code>System.err</code>. <a href="#24071234bd8fa94ccab51c6ac5e246c5"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1varia_1_1_fallback_error_handler.html#40069b80e5ee8953b25177cc3574aa4b">error</a> (const <a class="el" href="namespacelog4cxx.html#d7ec98d27bca7666e23f27dd1fb181c8">LogString</a> &amp;) const </td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Print a the error message passed as parameter on <code>System.err</code>. <a href="#40069b80e5ee8953b25177cc3574aa4b"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">const <a class="el" href="classlog4cxx_1_1helpers_1_1_object_ptr_t.html">AppenderPtr</a> &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1varia_1_1_fallback_error_handler.html#7f3806f6c39883fb8a896157c646f16a">getBackupAppender</a> () const </td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return the backup appender. <a href="#7f3806f6c39883fb8a896157c646f16a"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1varia_1_1_fallback_error_handler.html#5e3545411b1bb167ca7c30d554cb7252">setAppender</a> (const <a class="el" href="classlog4cxx_1_1helpers_1_1_object_ptr_t.html">AppenderPtr</a> &amp;primary)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">The appender to which this error handler is attached. <a href="#5e3545411b1bb167ca7c30d554cb7252"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1varia_1_1_fallback_error_handler.html#953bb1714ea396c901a07bbdf6a9e923">setBackupAppender</a> (const <a class="el" href="classlog4cxx_1_1helpers_1_1_object_ptr_t.html">AppenderPtr</a> &amp;backup)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Set the backup appender. <a href="#953bb1714ea396c901a07bbdf6a9e923"></a><br></td></tr>
</table>
<hr><h2>Constructor &amp; Destructor Documentation</h2>
<a class="anchor" name="296193900a0a4138a321278fe177cacd"></a><!-- doxytag: member="log4cxx::varia::FallbackErrorHandler::FallbackErrorHandler" ref="296193900a0a4138a321278fe177cacd" args="()" --><p>
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<td class="md" nowrap valign="top"><a class="el" href="classlog4cxx_1_1varia_1_1_fallback_error_handler.html">FallbackErrorHandler</a> </td>
<td class="md" valign="top">(&nbsp;</td>
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<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="a3df68f8aae152299471992071e202f5"></a><!-- doxytag: member="log4cxx::varia::FallbackErrorHandler::activateOptions" ref="a3df68f8aae152299471992071e202f5" args="(log4cxx::helpers::Pool &amp;p)" --><p>
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<td class="md" nowrap valign="top">void activateOptions </td>
<td class="md" valign="top">(&nbsp;</td>
<td class="md" nowrap valign="top"><a class="el" href="classlog4cxx_1_1helpers_1_1_pool.html">log4cxx::helpers::Pool</a> &amp;&nbsp;</td>
<td class="mdname1" valign="top" nowrap> <em>p</em> </td>
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<td class="md" nowrap><code> [virtual]</code></td>
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No options to activate.
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Implements <a class="el" href="classlog4cxx_1_1spi_1_1_option_handler.html#f04d4bfbd66b46083b1aa042fdafbb06">OptionHandler</a>. </td>
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<a class="anchor" name="0198815940c2715c84b0e04828cf8dfa"></a><!-- doxytag: member="log4cxx::varia::FallbackErrorHandler::addRef" ref="0198815940c2715c84b0e04828cf8dfa" args="() const " --><p>
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Reimplemented from <a class="el" href="classlog4cxx_1_1helpers_1_1_object_impl.html#0198815940c2715c84b0e04828cf8dfa">ObjectImpl</a>. </td>
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<a class="anchor" name="40069b80e5ee8953b25177cc3574aa4b"></a><!-- doxytag: member="log4cxx::varia::FallbackErrorHandler::error" ref="40069b80e5ee8953b25177cc3574aa4b" args="(const LogString &amp;) const " --><p>
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<td class="md" nowrap valign="top">void error </td>
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<td class="md" nowrap valign="top">const <a class="el" href="namespacelog4cxx.html#d7ec98d27bca7666e23f27dd1fb181c8">LogString</a> &amp;&nbsp;</td>
<td class="mdname1" valign="top" nowrap> </td>
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Print a the error message passed as parameter on <code>System.err</code>.
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Implements <a class="el" href="classlog4cxx_1_1spi_1_1_error_handler.html#390324c11808d0cd4fee6c3967932f27">ErrorHandler</a>. </td>
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<a class="anchor" name="24071234bd8fa94ccab51c6ac5e246c5"></a><!-- doxytag: member="log4cxx::varia::FallbackErrorHandler::error" ref="24071234bd8fa94ccab51c6ac5e246c5" args="(const LogString &amp;message, const std::exception &amp;e, int errorCode, const spi::LoggingEventPtr &amp;event) const " --><p>
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<td class="md" nowrap valign="top">void error </td>
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<td class="md" nowrap valign="top">const <a class="el" href="namespacelog4cxx.html#d7ec98d27bca7666e23f27dd1fb181c8">LogString</a> &amp;&nbsp;</td>
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<td class="md">)&nbsp;</td>
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Prints the message and the stack trace of the exception on <code>System.err</code>.
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Implements <a class="el" href="classlog4cxx_1_1spi_1_1_error_handler.html#b087032b921fcef1735256049d38f0c1">ErrorHandler</a>. </td>
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<a class="anchor" name="9084c6c8c225845ed09867b730590514"></a><!-- doxytag: member="log4cxx::varia::FallbackErrorHandler::error" ref="9084c6c8c225845ed09867b730590514" args="(const LogString &amp;message, const std::exception &amp;e, int errorCode) const " --><p>
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<td class="md" nowrap valign="top">void error </td>
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<td class="md" nowrap valign="top">const <a class="el" href="namespacelog4cxx.html#d7ec98d27bca7666e23f27dd1fb181c8">LogString</a> &amp;&nbsp;</td>
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Prints the message and the stack trace of the exception on <code>System.err</code>.
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Implements <a class="el" href="classlog4cxx_1_1spi_1_1_error_handler.html#20b213d025014be558dfab7e11652825">ErrorHandler</a>. </td>
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<a class="anchor" name="7f3806f6c39883fb8a896157c646f16a"></a><!-- doxytag: member="log4cxx::varia::FallbackErrorHandler::getBackupAppender" ref="7f3806f6c39883fb8a896157c646f16a" args="() const " --><p>
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Return the backup appender.
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<a class="anchor" name="55c31efee1904916b999395fa4d46a24"></a><!-- doxytag: member="log4cxx::varia::FallbackErrorHandler::releaseRef" ref="55c31efee1904916b999395fa4d46a24" args="() const " --><p>
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Reimplemented from <a class="el" href="classlog4cxx_1_1helpers_1_1_object_impl.html#55c31efee1904916b999395fa4d46a24">ObjectImpl</a>. </td>
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<a class="anchor" name="5e3545411b1bb167ca7c30d554cb7252"></a><!-- doxytag: member="log4cxx::varia::FallbackErrorHandler::setAppender" ref="5e3545411b1bb167ca7c30d554cb7252" args="(const AppenderPtr &amp;primary)" --><p>
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<td class="md" nowrap valign="top">void setAppender </td>
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<td class="mdname1" valign="top" nowrap> <em>primary</em> </td>
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The appender to which this error handler is attached.
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Implements <a class="el" href="classlog4cxx_1_1spi_1_1_error_handler.html#bf38035eedf752b85b9ffdcf414edd64">ErrorHandler</a>. </td>
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<a class="anchor" name="953bb1714ea396c901a07bbdf6a9e923"></a><!-- doxytag: member="log4cxx::varia::FallbackErrorHandler::setBackupAppender" ref="953bb1714ea396c901a07bbdf6a9e923" args="(const AppenderPtr &amp;backup)" --><p>
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<td class="md" nowrap valign="top">void setBackupAppender </td>
<td class="md" valign="top">(&nbsp;</td>
<td class="md" nowrap valign="top">const <a class="el" href="classlog4cxx_1_1helpers_1_1_object_ptr_t.html">AppenderPtr</a> &amp;&nbsp;</td>
<td class="mdname1" valign="top" nowrap> <em>backup</em> </td>
<td class="md" valign="top">&nbsp;)&nbsp;</td>
<td class="md" nowrap><code> [virtual]</code></td>
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<p>
Set the backup appender.
<p>
<p>
Implements <a class="el" href="classlog4cxx_1_1spi_1_1_error_handler.html#bc2bb91894f25f42d8e1a429c8bec2bc">ErrorHandler</a>. </td>
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<a class="anchor" name="d71cb681f580c2dd0ac0b15c4c5cf979"></a><!-- doxytag: member="log4cxx::varia::FallbackErrorHandler::setLogger" ref="d71cb681f580c2dd0ac0b15c4c5cf979" args="(const LoggerPtr &amp;logger)" --><p>
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<td class="md" nowrap valign="top">void setLogger </td>
<td class="md" valign="top">(&nbsp;</td>
<td class="md" nowrap valign="top">const <a class="el" href="classlog4cxx_1_1helpers_1_1_object_ptr_t.html">LoggerPtr</a> &amp;&nbsp;</td>
<td class="mdname1" valign="top" nowrap> <em>logger</em> </td>
<td class="md" valign="top">&nbsp;)&nbsp;</td>
<td class="md" nowrap><code> [virtual]</code></td>
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<em>Adds</em> the logger passed as parameter to the list of loggers that we need to search for in case of appender failure.
<p>
<p>
Implements <a class="el" href="classlog4cxx_1_1spi_1_1_error_handler.html#657c680e0246d95168aecbe4d299822b">ErrorHandler</a>. </td>
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<a class="anchor" name="c1d269357907e0809687a2bec962e1c8"></a><!-- doxytag: member="log4cxx::varia::FallbackErrorHandler::setOption" ref="c1d269357907e0809687a2bec962e1c8" args="(const LogString &amp;option, const LogString &amp;value)" --><p>
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<td class="md" nowrap valign="top">void setOption </td>
<td class="md" valign="top">(&nbsp;</td>
<td class="md" nowrap valign="top">const <a class="el" href="namespacelog4cxx.html#d7ec98d27bca7666e23f27dd1fb181c8">LogString</a> &amp;&nbsp;</td>
<td class="mdname" nowrap> <em>option</em>, </td>
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<td class="md" nowrap>const <a class="el" href="namespacelog4cxx.html#d7ec98d27bca7666e23f27dd1fb181c8">LogString</a> &amp;&nbsp;</td>
<td class="mdname" nowrap> <em>value</em></td>
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<td class="md"></td>
<td class="md">)&nbsp;</td>
<td class="md" colspan="2"><code> [virtual]</code></td>
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<p>
Set <code>option</code> to <code>value</code>.
<p>
The handling of each option depends on the OptionHandler instance. Some options may become active immediately whereas other may be activated only when <a class="el" href="classlog4cxx_1_1varia_1_1_fallback_error_handler.html#a3df68f8aae152299471992071e202f5">activateOptions</a> is called.
<p>
Implements <a class="el" href="classlog4cxx_1_1spi_1_1_option_handler.html#8f2ae2ded63f80c627269c99b20c19ee">OptionHandler</a>. </td>
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<hr>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="fallbackerrorhandler_8h.html">fallbackerrorhandler.h</a></ul>
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