--- a/nbproject/project.properties Tue Nov 28 18:59:13 2017 +0100 +++ b/nbproject/project.properties Sun Dec 10 16:10:14 2017 +0100 @@ -37,7 +37,8 @@ j2ee.server.type=Tomcat jar.compress=false javac.classpath=\ - ${libs.jstl.classpath} + ${libs.jstl.classpath}:\ + ${libs.SLF4J-JDK.classpath} # Space-separated list of extra javac options javac.compilerargs= javac.debug=true