AW: Javac Run By Ant Script is Unable to Find External Jars

I've figured out what the problem is but I don't know what to do to fix
it. When I export the jar from Eclipse, it has this set of directories:

KCBSEvents
META-INF
mozilla
org
src

That is the one that works. When I build the jar using ant (below),
these are the directories present:

KCBSEvents
META-INF

It is obvious now what the problem is. I just need to know how to get
ant to include those same directories.

On 2/21/2019 10:18 AM, Dennis Putnam wrote:
> I found an article on adding Maven dependencies to my ant script.
> While I'm getting a successful build but the same exception when I run
> the jar, I hope this is getting me closer. At least the pom.xml is in
> the build. I am wondering if the added *fileset* is right and working.
> Here is my latest:
>
>     <?xml version="1.0" encoding="UTF-8"?>
>     <project name="KCBSEvents" default="jar" basedir="."
>     *xmlns:artifact="antlib:org.apache.maven.artifact.ant"*>
>             <property name="build.properties" value="build.properties"/>
>             <property name="resources" value="resource" />
>             <property name="jardir" value="KCBSEvents" />
>             <property name="KCBSDir" value="src/KCBSEvents" />
>             <property name="member.number" value="000000" />
>             <property name="member.name" value="" />
>             <property name="jarpath"
>     value="/${user.home}/.m2/repository" />
>            *<path id="maven-ant-tasks.classpath"
>     path="/lib/jvm-exports/maven-ant-tasks-2.1.3.jar" />**
>     **        <typedef
>     resource="org/apache/maven/artifact/ant/antlib.xml"
>     uri="antlib:org.apache.maven.artifact.ant"
>     classpathref="maven-ant-tasks.classpath" />**
>     **        <artifact:pom id="pomfile" file="pom.xml" />**
>     **        <artifact:dependencies filesetId="mvn-dependencies"
>     pomRefId="pomfile" />*
>             <path id="compile-jars">
>                     <multirootfileset
>     basedirs="${jarpath}/commons-io/2.5,${jarpath}/httpcomponents-client,${jarpath}/commons-logging/1.2,${jarpath}/commons-codec/1.10,/lib/java-ext/json-simple-1.1.1">
>                             <include name="commons-io-2.5.jar" />
>                             <include name="httpclient-4.5.6.jar" />
>                             <include name="httpcore-4.4.10.jar" />
>                             <include name="commons-logging-1.2.jar" />
>                             <include name="commons-codec-1.10.jar" />
>                             <include name="json-simple-1.1.1.jar" />
>                     </multirootfileset>
>                     *<fileset refid="mvn-dependencies" />*
>             </path>
>             <target name="checkOS">
>                     <condition property="isWindows">
>                             <os family="windows" />
>                     </condition>
>                     <condition property="isLinux">
>                             <os family="unix" />
>                     </condition>
>             </target>
>             <target name="if_windows" depends="checkOS" if="isWindows">
>                     <property name="jarfile"
>     value="C:\temp\KCBSEvents.jar" />
>                     <property name="antcontrib"
>     value="H:\html\Applets\ant-contrib" />
>             </target>
>             <target name="if_linux" depends="checkOS" if="isLinux">
>                     <property name="jarfile"
>     value="/tmp/${member.number}/KCBSEvents.jar" />
>                     <property name="antcontrib"
>     value="/var/www/html/Applets/ant-contrib/ant-contrib-1.0b3.jar" />
>             </target>
>             <target name="setclass" depends="if_linux,if_windows">
>                     <taskdef
>     resource="net/sf/antcontrib/antcontrib.properties">
>                             <classpath>
>                                     <pathelement
>     location="${antcontrib}" />
>                             </classpath>
>                     </taskdef>
>      </target>
>             <target name="incserial" depends="setclass">
>                     <copy todir="bin/${jardir}/${resources}">
>                             <fileset dir="${KCBSDir}/${resources}">
>                                     <include name="${build.properties}" />
>                             </fileset>
>                             <filterchain>
>                                     <expandproperties />
>                             </filterchain>
>                     </copy>
>                     <if> <isset Property="build.number" /> <then>
>                             <echo message="update build requested" />
>                     </then> <else>
>                             <echo message="new build requested" />
>                             <buildnumber />
>                     </else> </if>
>                     <propertyfile
>     file="bin/${jardir}/${resources}/${build.properties}">
>                             <entry key="serialnumber"
>     value="${build.number}" />
>                             <entry key="membernumber"
>     value="${member.number}" />
>                             <entry key="name" value="${member.name}" />
>                     </propertyfile>
>                     <echo message="serial number: ${build.number}" />
>             </target>
>             <target name="jar" description="Compile serialized jar"
>     depends="incserial,if_windows,if_linux">
>                     <echo message="Using destination file ${jarfile}" />
>                     <javac srcdir="src" destdir="bin"
>     includeantruntime="false" classpathref="compile-jars" />
>                     <jar destfile="${jarfile}" basedir="bin"
>     filesetmanifest="mergewithoutmain">
>                             <manifest>
>                                     <attribute name="Manifest-Version"
>     value="1.0"/>
>                                     <attribute name="Created-By"
>     value="ant 1.9.2 on CentOS 7" />
>                                     <attribute name="Main-Class"
>     value="KCBSEvents.KCBSEvents" />
>                             </manifest>
>                     </jar>
>             </target>
>     </project>
>
>
> On 2/20/2019 3:22 PM, Jan Matèrne (jhm) wrote:
>> If you have created your JAR the first step is done.
>>
>> Starting the JAR could be done in several ways. Common is that you have to have all external classes on the runtime classpath:
>>
>>  
>>
>> 1. Hard coded start script.
>>
>> Write a bash/bat-Script with the java command with all cp settings, e.g. (bat)
>>
>> @echo off
>>
>> java -cp /build/myjar.jar;lib/one.jar;lib/two.jar;lib/three.jar org.acme.Main %*
>>
>>  
>>
>> 2. Wrapper script which collects all JARs in a dynamic way (see ant.bat|ant.sh)
>>
>>  
>>
>> 3. Use Ant + <java><classpath> for starting
>>
>>  
>>
>> 4. Create a runnable JAR which references the external JARs (manifest: main-class + classpath)
>>
>>  
>>
>> 5. Create a shaded jar (uber jar, fat jar): include all classes from external jars into your jar
>>
>>  
>>
>> 6. Use a launcher which uses a dependency manager for getting the classpath
>>
>>  
>>
>>  
>>
>>  
>>
>> You don't have to replicate path definitions in your buildfile, you could (and should) use references:
>>
>> <javac><classpath id="runtime.cp"><fileset dir="lib" includes="**/*.jar"/>…
>>
>> <java><classpath refid="runtime.cp"/>
>>
>>  
>>
>>  
>>
>> You mave have a look at http://ant.apache.org/manual/tutorial-HelloWorldWithAnt.html
>>
>>  
>>
>>  
>>
>> Jan
>>
>>  
>>
>

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