Re: log4j:WARN No appenders could be found for logger (middlegen.Middlegen).

Make sure you have a log4j.properties file in you classpath.  You should 
be able to find details on http://logging.apache.org/log4j

Andreas

Ray Tayek wrote:

>Hi, newbie here. Trying to hack up the middlegen sample project so that it
>just does middlegen for hibernate (not hvn2java) and only has the jars that
>I need. It works fine, reverses and makes the hibername mapping files.
>Except that its says:
>
>middlegen:
>        [echo] Class path = U:\projects\mg0\samples
>   [middlegen] log4j:WARN No appenders could be found for logger
>(middlegen.Middlegen).
>   [middlegen] log4j:WARN Please initialize the log4j system properly.
>	....
>
>I have moved the jars that I do not think I need into ./lib/tmp (please see
>file listing and build file below). I have tried to move the commons logging
>and log4j jars back into lib/ but no joy (moving both does not work either).
>
>Does anyone know what combinations of which jars are needed to get rid of
>the: "log4j:WARN No appenders could be found ..." message?
>
>Any pointers will be appreciated.
>
>thanks
>
>lib:
>	commons-collections-2.1.jar*
>	commons-lang.jar*
>	commons-logging.jar*
>	entityfacade.xdt*
>	hibernate2.jar*
>	hibernate-tools.jar*
>	jdom.jar*
>	log4j.jar*
>	mysql-connector-java-3.0.0-beta-bin.jar*
>	velocity-1.4-dev.jar*
>	tmp/
>		commons-collections-2.0.jar*
>		commons-logging-1.1-dev.jar*
>		hsqldb-1.7.1.jar*
>		hsqldb.jar*
>		jdbc2_0-stdext.jar*
>		jdo.jar*
>		log4j-1.2.7.jar*
>		mysql-connector-java-2.0.14-bin.jar*
>		velocity-1.3.jar*
>		xdoclet-1.2b3-dev.jar*
>		xdoclet-apache-module-1.2b3-dev.jar*
>		xdoclet-hibernate-module-1.2b3-dev.jar*
>		xdoclet-java-module-1.2b3-dev.jar*
>		xdoclet-jmx-module-1.2b3-dev.jar*
>		xdoclet-mockobjects-module-1.2b3-dev.jar*
>		xdoclet-mx4j-module-1.2b3-dev.jar*
>		xdoclet-objectweb-module-1.2b3-dev.jar*
>		xdoclet-sun-module-1.2b3-dev.jar*
>		xdoclet-web-module-1.2b3-dev.jar*
>		xdoclet-xdoclet-module-1.2b3-dev.jar*
>		xerces.jar*
>		xjavadoc-1.0-SNAPSHOT.jar*
>		xml-apis.jar*
>
><?xml version="1.0"?>
><project name="mg0" default="all" basedir=".">
>	<!-- this does not seem to work. set CLASSPATH= on linux -->
>	<!-- on windows, don't know, but the logging is different -->
>   <property name="build.sysclasspath" value="ignore"/> 
>   <property file="${basedir}/build.properties"/>
>   <property name="unique.name" value="${name}"/>
>   <property name="lib.dir" value="${basedir}/lib"/>
>   <property name="src.dir" value="${basedir}/src"/>
>   <property name="java.src.dir" value="${src.dir}/java"/>
>   <property name="build.dir"
>value="${basedir}/build"/>
>   <property name="build.java.dir"
>value="${build.dir}/java"/>
>   <property name="build.gen-src.dir"
>value="${build.dir}/gen-src"/>
>   <property name="build.classes.dir"
>value="${build.dir}/classes"/>
>   <property name="build.xmi.dir"
>value="${build.dir}/xmi"/>
>   <path id="lib.class.path">
>      <pathelement path="${database.driver.classpath}"/>
>      <fileset dir="${lib.dir}">
>         <include name="*.jar"/>
>      </fileset>
>      <fileset dir="${basedir}/..">
>         <include name="*.jar"/>
>      </fileset>
>   </path>
>   <target name="init">
>	  <echo message="build.sysclasspath=${build.sysclasspath}"/>
>      <available property="xdoclet1.2+"
>classname="xdoclet.modules.ejb.EjbDocletTask"
>classpathref="lib.class.path"/>
>   </target>
>   <target name="check-driver-present">
>      <available file="${database.driver.file}" type="file"
>property="driver.present"/>
>   </target>
>   <target name="panic-if-driver-not-present" unless="driver.present">
>      <fail>no jdbc driver</fail>
>   </target>
><target name="middlegen" description="Run Middlegen" unless="middlegen.skip"
>depends="init,check-driver-present,panic-if-driver-not-present">
>  <mkdir dir="${build.gen-src.dir}"/>
>  <echo message="Class path = ${basedir}"/>
>  <taskdef name="middlegen" classname="middlegen.MiddlegenTask"
>classpathref="lib.class.path"/>
>  <middlegen
>    appname="${name}"
>    prefsdir="${src.dir}"
>    gui="${gui}"
>    databaseurl="${database.url}"
>    initialContextFactory="${java.naming.factory.initial}"
>    providerURL="${java.naming.provider.url}"
>    datasourceJNDIName="${datasource.jndi.name}"
>    driver="${database.driver}"
>    username="${database.userid}"
>    password="${database.password}"
>    schema="${database.schema}"
>    catalog="${database.catalog}"
>  >
>     <hibernate
>        destination="${build.gen-src.dir}"
>        package="${name}.hibernate"
>		genXDocletTags="true"
>		genIntergratedCompositeKeys="true"
>        javaTypeMapper="middlegen.plugins.hibernate.HibernateJavaTypeMapper"
>     />
>   </middlegen>
>   <mkdir dir="${build.classes.dir}"/>
></target>
>   <target name="all" description="Build everything" depends="hbm2java"/>
>   <target name="clean" description="Clean all generated stuff">
>      <delete dir="${build.dir}"/>
>   </target>
>	<target name="hbm2java" depends="middlegen" description="Generate
>.java from .hbm files.">
>      <taskdef name="hbm2java"
>classname="net.sf.hibernate.tool.hbm2java.Hbm2JavaTask"
>classpathref="lib.class.path"/>
>		<hbm2java output="${build.gen-src.dir}">
>			<fileset dir="${build.gen-src.dir}">
>				<include name="**/*.hbm.xml"/>
>			</fileset>
>		</hbm2java>
>	</target>
></project>
>
>  
>





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