Application logging principles


	Application logging principles

travislaborde

11-12-2008 7:39 AM

367 views

tags:

programming

travislaborde says:

good advice

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://www.clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/df19117c-3a62-49d5-a115-3cac1b1e4b07/10291542-4914-4716-995F-D6440137C0F8/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.thekua.com/atwork/2008/11/application-logging-principles/" href="http://www.thekua.com/atwork/2008/11/application-logging-principles/" style="font-size: 11px;">www.thekua.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.thekua.com/atwork/2008/11/application-logging-principles/"><H3 id="post-318" class="entrytitle"> <A rel="bookmark" href="http://www.thekua.com/atwork/2008/11/application-logging-principles/">
    Application logging principles    </A> </H3></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.thekua.com/atwork/2008/11/application-logging-principles/"><H2>Logging cannot be considered in isolation of the exception handling strategies</H2></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.thekua.com/atwork/2008/11/application-logging-principles/"><P>As a rule of thumb, my default position on exception handling looks like this:</p> <UL>
<li style="margin-left:16px;padding-left: 0px;">If you can handle an exception, recover from it and continue</LI>
<li style="margin-left:16px;padding-left: 0px;">If you can’t handle an exception, but you can translate it, then do so and continue. </LI>
<li style="margin-left:16px;padding-left: 0px;">If you can’t handle an exception and you won’t translate it, then propagate it to someone who can. </LI></UL></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.thekua.com/atwork/2008/11/application-logging-principles/">If you’re going to handle an exception, you may choose to log the details.</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.thekua.com/atwork/2008/11/application-logging-principles/">If you translate an exception and still propogate that, log the exception <STRONG>only</STRONG> if you aren’t going to propogate it</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.thekua.com/atwork/2008/11/application-logging-principles/">If you can’t handle an exception and you won’t translate it, don’t bother logging it. Ensure that someone higher up is going to apply the first two rules.</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.thekua.com/atwork/2008/11/application-logging-principles/"><H2>Think of what would information would help you at 3am in the morning</H2></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/10291542-4914-4716-995F-D6440137C0F8/blog/" title="blog or email this clip"><img src="http://content7.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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