User-specified log class 'org.apache.commons.logging.impl.Log4JLogger' cannot be found or is not useable -------------------------------------------------------------------------------------------------------- Key: JBLOGGING-109 URL: https://issues.jboss.org/browse/JBLOGGING-109 Project: JBoss Logging Issue Type: Bug Environment: Mac OS X 10.9.4, JavaSE-1.7, GDAL.framework, Jboss 5.1.0GA. Reporter: Caron Chen Assignee: James Perkins DEPLOYMENTS IN ERROR: Deployment "vfszip:/Users/****/Documents/jboss-5.1.0.GA/server/default/deploy/quartz-ra.rar/" is in error due to the following reason(s): org.apache.commons.logging.LogConfigurationException: User-specified log class 'org.apache.commons.logging.impl.Log4JLogger' cannot be found or is not useable. Deployment "vfsfile:/Users/****/Documents/jboss-5.1.0.GA/server/default/deploy/admin-console.war/" is in error due to the following reason(s): org.jboss.deployers.spi.DeploymentException: URL file:/Users/****/Documents/jboss-5.1.0.GA/server/default/tmp/3j001-dt0mv2-hz3cl1b1-1-hz3cl6nh-v/admin-console.war/ deployment failed This is a Jboss without any modification. I found that GDAL.framework has added library 'commons-logging' to the JDK. Will this affect? Thanks!