For the quick and dirty approach, you can put System.out.println() statements in your code and find the output in:
TOMCAT_HOME/logs/catalina.out --- Sriram Narayanan <[EMAIL PROTECTED]> wrote: > 2/27/02 11:17:26 PM, "Nitin Vira" <[EMAIL PROTECTED]> wrote: > > >Hello, > > > >I am trying to create an environment that will assist in debugging > jsps, i think one of the basic ways to do debugging is through > logging, I want > to log various request coming in along with the request parameters, i > checked the access loggs but they only logg GET request also it > doesnt > logg the parameters, is there anyway i can logg POST request too > along with the request parameters, i can possibly use a filter to do > it, will that > be a right approach also can i configure a filter to run for all the > servlets? Also is it possible to logg something like forwards to > another page and > including other pages, also if you have any other suggestions to add > features that will assist in debugging that i can implement i will > greatly > appreciate it. > > > > Use Log4J. (http://jakarta.apache.org/log4j) > > Log4J has something called Logging Levels, e.g. DEBUG, ERROR, INFO > etc... > > Let's say you have some 15 packages with some 10 classes in each. > > In each class, instantiate a Logger with the statement > > static Logger logger = Logger.getInstance(MyClass.class.getName()); > > Now within the class, write both DEBUG level statements and INFO > level statements: > > e.g. > > public void someTask(String first, String second){ > logger.debug("just entered the someTask method, args are " + first + > ":" + second); > logger.info("about to calculate something"); > int x = calculate(); > logger.debug("the calculation result was " + x); > } > > Now, DEBUG levels happen to be lower in importance than INFO levels. > > Log4J can be instructed on which level to log via a properties file. > So, you can change log levels, or even disable loggin altogether via > an external properties file. No changes to the code are required at > all. > > Also, you can specify that the log outputs from a particular class > should be redirected to one file, while all other logs could go to > another file, or > even a JDBC target. > > > >Thanks, > >Nitin > > > > Sriram > > > _________________________________________________________ > Do You Yahoo!? > Get your free @yahoo.com address at http://mail.yahoo.com > > > -- > To unsubscribe: <mailto:[EMAIL PROTECTED]> > For additional commands: <mailto:[EMAIL PROTECTED]> > Troubles with the list: <mailto:[EMAIL PROTECTED]> > __________________________________________________ Do You Yahoo!? Yahoo! Greetings - Send FREE e-cards for every occasion! http://greetings.yahoo.com -- To unsubscribe: <mailto:[EMAIL PROTECTED]> For additional commands: <mailto:[EMAIL PROTECTED]> Troubles with the list: <mailto:[EMAIL PROTECTED]>
