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how to log errors occurred in backend java engine or servlet
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Rahul P Kumar
Ranch Hand
Joined: Sep 26, 2009
Posts: 188
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Sometimes due to internal engine or java heap space or null pointer exception, jsp page shows the complete stack trace. So I configured the error page, registered that in web.xml through <error-page> tag. But I want those error to be logged in my designated log file or better email to me. How to do that? Please help me.
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Bear Bibeault
Author and ninkuma
Marshal
Joined: Jan 10, 2002
Posts: 56215
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Log4J
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[Smart Questions] [JSP FAQ] [Books by Bear] [Bear's FrontMan] [About Bear]
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Rahul P Kumar
Ranch Hand
Joined: Sep 26, 2009
Posts: 188
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Bear Bibeault wrote:Log4J
If I will put logger in my simpleController class, which takes action based on requested jsp, will it be enough to log stated exceptions. BTW, I've already logger configured, though exceptions caught are standard one (IOException and ServletException). Do you think, if I will use "throws NullPointerException or OutOfMemoryError", it will be logged or say catch them and log the stacktrace, it will solve the purpose. Well I've tried with NullPointerException (thrown and catched), but there was no logging in my log4J. Only logging is in tomcat logger ("localhost....") and that is every time irrespective of logger configured or not.
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subject: how to log errors occurred in backend java engine or servlet
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