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Java Forum / General / February 2006log4j
Hi, I have a problem with log4j. I have several applications that use log4j (different properties files). The problem is that all of them writes in the same file which belongs to the last application that started in the app server. Any Ideas?, Thanks, > Hi, > I have a problem with log4j. I have several applications that use > log4j (different properties files). > The problem is that all of them writes in the same file which belongs > to the last application that started in the app server. Any Ideas?, Do these "several applications" have a single entry point? - Oliver No, they have a differet one (different ears) Oliver Wong ha escrito: > > Hi, > > I have a problem with log4j. I have several applications that use [quoted text clipped - 5 lines] > > - Oliver > Oliver Wong ha escrito: >>> The problem is that all of them writes in the same file which belongs >>> to the last application that started in the app server. Any Ideas?, ... > No, they have a differet one (different ears) Is log4j included in each ear file, or is it somehow installed globally on the application server (perhaps as an extension for the JVM)? I.e., are all the applications using the same loaded class for log4j? /L  SignatureLasse Reichstein Nielsen - lrn@hotpop.com DHTML Death Colors: <URL:http://www.infimum.dk/HTML/rasterTriangleDOM.html> 'Faith without judgement merely degrades the spirit divine.' the same class > the same class Write filters and appenders so that each appender writes to a different file and the filters give the appenders only the log events they are interested in. - Oliver Do i need to create my own class, for example com.myorg.mypackage.MyClass which extends for example org.apache.log4j.FileAppender? and the same for the filter? Is that correct? Thanks, Luz Oliver Wong ha escrito: > > the same class > [quoted text clipped - 3 lines] > > - Oliver > Do i need to create my own class, for example > com.myorg.mypackage.MyClass > which extends for example org.apache.log4j.FileAppender? and the same > for the filter? > Is that correct? Yes, that is the basic strategy I proposed. However, note this passage from the Javadocs: http://logging.apache.org/log4j/docs/api/org/apache/log4j/spi/Filter.html <quote> Note that Category and AppenderSkeleton, the parent class of all standard appenders, have built-in filtering rules. It is suggested that you first use and understand the built-in rules before rushing to write your own custom filters. </quote> - Oliver Thanks a lot! Luz Oliver Wong ha escrito: > > Do i need to create my own class, for example > > com.myorg.mypackage.MyClass [quoted text clipped - 14 lines] > > - Oliver It didn't work. I did the proposed solution and i still have the problem because every application extends the same appender : FileAppender :( Luz >>Oliver Wong ha escrito: >> [quoted text clipped - 12 lines] > > /L Have you tried placing a copy of log4j,jar and configuration files in each EAR? HTH, Ray SignatureThis signature intentionally left blank. Have you done that? I think that is the right solution... but I need to put other jars too and change the server policies of the class loader . Luz Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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