I checked my classpath (see below). There is only one log4j jar file... I also tried to replace the commons-logging jar by a more recent one, but it doesn't work either...
/Users/ben/Documents/NetBeansProjects/MyProject/source/build/classes :/Users/ben/Documents/NetBeansProjects/MyProject/source/src :/Users/ben/Documents/NetBeansProjects/MyProject/source/thirdpart/ geotools/target/dependency/batik-transcoder-1.6.jar :/Users/ben/Documents/NetBeansProjects/MyProject/source/thirdpart/ geotools/target/dependency/batik-util-1.6.jar :/Users/ben/Documents/NetBeansProjects/MyProject/source/thirdpart/ geotools/target/dependency/commons-beanutils-1.7.0.jar :/Users/ben/Documents/NetBeansProjects/MyProject/source/thirdpart/ geotools/target/dependency/commons-lang-2.1.jar :/Users/ben/Documents/NetBeansProjects/MyProject/source/thirdpart/ geotools/target/dependency/commons-logging-1.0.3.jar :/Users/ben/Documents/NetBeansProjects/MyProject/source/thirdpart/ geotools/target/dependency/commons-pool-1.3.jar :/Users/ben/Documents/NetBeansProjects/MyProject/source/thirdpart/ geotools/target/dependency/geoapi-2.2-M1.jar :/Users/ben/Documents/NetBeansProjects/MyProject/source/thirdpart/ geotools/target/dependency/gt-api-2.5.1.jar :/Users/ben/Documents/NetBeansProjects/MyProject/source/thirdpart/ geotools/target/dependency/gt-coverage-2.5.1.jar :/Users/ben/Documents/NetBeansProjects/MyProject/source/thirdpart/ geotools/target/dependency/gt-cql-2.5.1.jar :/Users/ben/Documents/NetBeansProjects/MyProject/source/thirdpart/ geotools/target/dependency/gt-epsg-hsql-2.5.1.jar :/Users/ben/Documents/NetBeansProjects/MyProject/source/thirdpart/ geotools/target/dependency/gt-main-2.5.1.jar :/Users/ben/Documents/NetBeansProjects/MyProject/source/thirdpart/ geotools/target/dependency/gt-mappane-2.5-RC1.jar :/Users/ben/Documents/NetBeansProjects/MyProject/source/thirdpart/ geotools/target/dependency/gt-metadata-2.5.1.jar :/Users/ben/Documents/NetBeansProjects/MyProject/source/thirdpart/ geotools/target/dependency/gt-referencing-2.5.1.jar :/Users/ben/Documents/NetBeansProjects/MyProject/source/thirdpart/ geotools/target/dependency/gt-render-2.5.1.jar :/Users/ben/Documents/NetBeansProjects/MyProject/source/thirdpart/ geotools/target/dependency/gt-shapefile-2.5.1.jar :/Users/ben/Documents/NetBeansProjects/MyProject/source/thirdpart/ geotools/target/dependency/gt-widgets-swing-2.5.1.jar :/Users/ben/Documents/NetBeansProjects/MyProject/source/thirdpart/ geotools/target/dependency/gt-wms-2.5-RC1.jar :/Users/ben/Documents/NetBeansProjects/MyProject/source/thirdpart/ geotools/target/dependency/gt-xml-2.5-RC1.jar :/Users/ben/Documents/NetBeansProjects/MyProject/source/thirdpart/ geotools/target/dependency/hsqldb-1.8.0.7.jar :/Users/ben/Documents/NetBeansProjects/MyProject/source/thirdpart/ geotools/target/dependency/jai_codec-1.1.3.jar :/Users/ben/Documents/NetBeansProjects/MyProject/source/thirdpart/ geotools/target/dependency/jai_core-1.1.3.jar :/Users/ben/Documents/NetBeansProjects/MyProject/source/thirdpart/ geotools/target/dependency/jai_imageio-1.1.jar :/Users/ben/Documents/NetBeansProjects/MyProject/source/thirdpart/ geotools/target/dependency/jdom-1.0.jar :/Users/ben/Documents/NetBeansProjects/MyProject/source/thirdpart/ geotools/target/dependency/jlfgr-1.0.jar :/Users/ben/Documents/NetBeansProjects/MyProject/source/thirdpart/ geotools/target/dependency/jsr-275-1.0-beta-2.jar :/Users/ben/Documents/NetBeansProjects/MyProject/source/thirdpart/ geotools/target/dependency/jts-1.9.jar :/Users/ben/Documents/NetBeansProjects/MyProject/source/thirdpart/ geotools/target/dependency/junit-3.8.1.jar :/Users/ben/Documents/NetBeansProjects/MyProject/source/thirdpart/ geotools/target/dependency/vecmath-1.3.1.jar :/Users/ben/Documents/NetBeansProjects/MyProject/source/thirdpart/ geotools/target/dependency/velocity-1.4.jar :/Users/ben/Documents/NetBeansProjects/MyProject/source/thirdpart/ geotools/target/dependency/velocity-dep-1.4.jar :/Users/ben/Documents/NetBeansProjects/MyProject/source/thirdpart/ geotools/target/dependency/xercesImpl-2.7.1.jar :/Users/ben/Documents/NetBeansProjects/MyProject/source/thirdpart/ geotools/target/dependency/xml-apis-xerces-2.7.1.jar :/Users/ben/Documents/NetBeansProjects/MyProject/source/thirdpart/ netcdf/netcdf-2.2.22.jar :/Users/ben/Documents/NetBeansProjects/MyProject/source/thirdpart/ logging/log4j-1.2.15.jar :/Users/ben/Documents/NetBeansProjects/MyProject/source/thirdpart/ logging/slf4j-api-1.5.6.jar :/Users/ben/Documents/NetBeansProjects/MyProject/source/thirdpart/ logging/slf4j-jdk14-1.5.6.jar Le 6 févr. 09 à 10:31, Martin Desruisseaux a écrit : > Benoît Thiébault a écrit : >> I don't think it comes from my version of log4j : I have log4j >> 1.2.15 which is supposed to be the last one... And curiously, it >> works on other machines with the same classpath... > > If TRACE is the only element causing a NoSuchFieldError (I mean if > there is no similar error for other fields like INFO, or for > methods), then I don't have other idea at this time... > > Checking in the javadoc, TRACE was not presents in versions prior > 1.2.12 while all other fields that we use were already there: > > http://logging.apache.org/log4j/1.2/apidocs/org/apache/log4j/Level.html#TRACE > > It may be worth to check the value returned by > System.getProperty("java.class.path") at runtime. > > Martin > Benoît Thiébault Société Artenum 24 rue Louis Blanc, 75010 Paris tel: +33 (0)1 46 94 67 54 Artenum - Science & Groupware - http://www.artenum.com ------------------------------------------------------------------------------ Create and Deploy Rich Internet Apps outside the browser with Adobe(R)AIR(TM) software. 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