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5837224
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2011-04-29T20:45:26.083
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2011-05-26T23:07:02.370
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2011-05-26T23:07:02.370
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I was able to solve this problem by extending <a href="http://tomcat.apache.org/tomcat-6.0-doc/api/org/apache/catalina/valves/AccessLogValve.html" rel="nofollow"><code>AccessLogValve</code></a> and overriding <a href="http://tomcat.apache.org/tomcat-6.0-doc/api/org/apache/catalina/valves/AccessLogValve.html#log%28java.lang.String%29" rel="nofollow"><code>public log(java.lang.String message)</code></a>: <pre><code>public class SanitizedAccessLogValve extends AccessLogValve { private static Pattern pattern = Pattern.compile("\\b(?:4[0-9]{12}(?:[0-9]{3})?|5[1-5][0-9]{14}|6(?:011|5[0-9][0-9])[0-9]{12}|3[47][0-9]{13}|3(?:0[0-5]|[68][0-9])[0-9]{11}|(?:2131|1800|35\\d{3})\\d{11})\\b"); /* This method will sanitize any cc numbers in the string and replace them with x's */ private String sanitize(String string) { String sanitizedString = string; if(string != null) { StringBuffer buffer = new StringBuffer(); Matcher matcher = pattern.matcher(string); while(matcher.find()) { MatchResult matchResult = matcher.toMatchResult(); int start = matchResult.start(); int end = matchResult.end(); String matchedText = string.substring(start, end); matcher.appendReplacement(buffer, "xxxxxxxxxxxxxxxx"); } matcher.appendTail(buffer); sanitizedString = buffer.toString(); } return sanitizedString; } @Override public void log(String message) { super.log(sanitize(message)); } } </code></pre> You need to compile this into a jar, and then put that jar file in <code>$CATALINA_HOME/lib</code>. Then in your <code>server.xml</code>: <pre><code><Valve className="my.valves.SanitizedAccessLogValve" directory="access_logs" prefix="localhost." suffix=".log" pattern='%v %h %t "%r" %s %B %T "%{User-Agent}i"'/> </code></pre>
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1. POSanitizing Tomcat access log entries
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1. USVivin Paliath
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