> I am getting the error below every time I try and compile my XML schema into
> XML beans. This error only arises after the initial build is done and I make
> modifications to my XML schema. I have cleaned up my classes, beansrc
> directories but still get this error. If I copy my schema over to another
> directory this problem goes away, i.e. make a copy in a different directory
> and modify my build script to look there instead. I am completely stumped
> why it works the first time and every time after I make additional changes it
> doesn't.
>
> Thanks
>
> Ian
>
>
> /vobs/OSA/tornado/java/guibuild.xml:46:
> org.apache.xmlbeans.impl.jam.internal.ja
> vadoc.JavadocClassloadingException: An error has occurred while invoking
> javadoc
> to inspect your source
> files. This may be due to the fact that $JAVA_HOME/lib/tools.jar does
> not seem to be in your system classloader. One common case in which
> this happens is when using the 'ant' tool, which uses a special
> context classloader to load classes from tools.jar.
>
> This situation elicits what is believed to a javadoc bug in the initial
> release of JDK 1.5. Javadoc attempts to use its own context classloader
> tools.jar but ignores one that may have already been set, which leads
> to some classes being loaded into two different classloaders. The
> telltale sign of this problem is a javadoc error message saying that
> 'languageVersion() must return LanguageVersion - you might see this
> message in your process' output.
>
> This will hopefully be fixed in a later release of JDK 1.5; if a new
> version of 1.5 has become available, you might be able to solve this
> by simply upgrading to the latest JDK.
>
> Alternatively, you can work around it by simply including
> $JAVA_HOME/lib/tools.jar in the java -classpath
> parameter. If you are running ant, you will need to modify the standard
> ant script to include tools.jar in the -classpath.
>
> Here's the build script:
>
>
> <project name="build" default="all" basedir=".">
> <!-- set global properties for this build -->
> <property environment="env"/>
> <property name="build.compiler" value="modern"/>
> <property name="src" value="src"/>
> <property name="output" value="."/>
> <property name="dest" value="${output}/classes"/>
> <property name="lib" value="${output}/lib"/>
> <property name="srcbase" value="${env.VOB}/src/com"/>
> <property name="package" value="${output}/package"/>
> <property name="staging" value="${package}/STAGING"/>
> <property name="debug" value="true"/>
> <property name="dynamicgui" value="${srcbase}/dynamicgui"/>
> <property name="xmlbeans.lib"
> value="${env.COTSVOB}/java/xmlbeans/xmlbeans-2.0.0/lib"/>
> <property name="xmlbeansjar" value="${xmlbeans.lib}//xbean.jar"/>
> <property name="xmlbeanspath" value="${xmlbeans.lib}/xbean_xpath.jar"/>
> <property name="xmlbeansjsr173" value="${xmlbeans.lib}/jsr173_api.jar"/>
> <property name="beansrc" value="${output}/beansrc"/>
> <mkdir dir="${dest}"/>
> <mkdir dir="${lib}"/>
> <path id="javac.classpath">
> <pathelement location="${dest}"/>
> <pathelement location="${xmlbeansjar}"/>
> <pathelement location="${xmlbeanspath}"/>
> <pathelement location="${xmlbeansjsr173}"/>
> </path>
> <path id="xmlbeans.path">
> <fileset dir="${xmlbeans.lib}" includes="*.jar"/>
> </path>
> <taskdef name="xmlbean"
> classname="org.apache.xmlbeans.impl.tool.XMLBean"
> classpathref="xmlbeans.path"/>
> <target name="all" depends="dynamicgui" description="compile all"/>
> <target name="dynamicguiCheck" description="check if xsd files changed
> since service model extensions last built">
> <dependset>
> <srcfileset dir="${dynamicgui}" includes="*.xsd"/>
>
> <targetfileset file="${lib}/dynamicgui.jar"/>
> </dependset>
> <available file="${lib}/dynamicgui.jar"
> property="dynamicguiUpToDate"/>
> </target>
> <target name="dynamicgui" depends="dynamicguiCheck> "
> unless="dynamicguiUpToDate">
> <xmlbean download="false" schema="${dynamicgui}"
> srcgendir="${beansrc}/dynamicgui" destfile="${lib}/dynamicgui.jar"
> classpathref="xmlbeans.path"/>
> </target>
> <target name="clean">
> <delete>
> <fileset dir="${dest}" includes="**/*.class"/>
> </delete>
> <delete dir="${beansrc}"/>
> </target>
> </project>
>
>
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