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From Ernst Reissner <rei3...@arcor.de>
Subject RE: Problems with ANTLR
Date Wed, 07 Aug 2013 13:15:54 GMT
Hi all, 
I have a similar problem receiving 
/home/ernst/Software/build.xml:352: Problem: failed to create task or type
antlib:org/apache/tools/ant/antlr:ant-antlr3
Cause: The name is undefined.
Action: Check the spelling.
Action: Check that any custom tasks/types have been declared.
Action: Check that any <presetdef>/<macrodef> declarations have taken place.
No types or tasks have been defined in this namespace yet

This appears to be an antlib declaration. 
Action: Check that the implementing library exists in one of:
        -/usr/share/ant/lib
        -/home/ernst/.ant/lib
        -a directory added on the command line with the -lib argument


I think i did all right: 

The relevant snippet of my built file is 

<path id="antlr.classpath">
    <pathelement location="${antlrJar}"/>
    <pathelement location="${ant-antlrJar}"/>
</path>

   <target name="genParser" depends="init" 
           description="Generate parsers. ">

     <antlr:ant-antlr3 xmlns:antlr="antlib:org/apache/tools/ant/antlr"
		       target="${parserDirRelana}/CClass.g"
		       outputdirectory="${parserTargetDirRelana}"> 
        <classpath refid="antlr.classpath"/>
     </antlr:ant-antlr3>

Here, 
    <property name="antlrJar"        
value="${jarDir}/antlr-3.5-complete.jar"/>
    <property name="ant-antlrJar"     value="${jarDir}/ant-antlr3.jar"/>
point to antlr-3.5-complete.jar and to ant-antlr3.jar which really exist. 

I use ant -version
Apache Ant(TM) version 1.8.2 compiled on October 23 2011

The ant-libs look like this: 
linux-p4vf:/usr/share/java/ant # ll
total 164
-rw-r--r-- 1 root root  20889 Aug  7 03:15 ant-antlr3.jar
-rw-r--r-- 1 root root   3912 Oct 23  2011 ant-commons-logging.jar
-rw-r--r-- 1 root root   8225 Oct 23  2011 ant-jdepend.jar
-rw-r--r-- 1 root root 102343 Oct 23  2011 ant-junit.jar
-rw-r--r-- 1 root root   7547 Oct 23  2011 ant-swing.jar
-rw-r--r-- 1 root root  15198 Oct 23  2011 ant-testutil.jar

linux-p4vf:/usr/share/ant/lib # ll
total 0
lrwxrwxrwx 1 root root 29 Aug  7 14:49 ant-antlr3.jar ->
../../java/ant/ant-antlr3.jar
lrwxrwxrwx 1 root root 28 Sep  8  2012 ant-bootstrap.jar ->
../../java/ant-bootstrap.jar
lrwxrwxrwx 1 root root 38 Apr 21 02:05 ant-commons-logging.jar ->
../../java/ant/ant-commons-logging.jar
lrwxrwxrwx 1 root root 18 Sep  8  2012 ant.jar -> ../../java/ant.jar
lrwxrwxrwx 1 root root 30 Apr 21 02:05 ant-jdepend.jar ->
../../java/ant/ant-jdepend.jar
lrwxrwxrwx 1 root root 28 Sep  8  2012 ant-junit.jar ->
../../java/ant/ant-junit.jar
lrwxrwxrwx 1 root root 27 Sep  8  2012 ant-launcher.jar ->
../../java/ant-launcher.jar
lrwxrwxrwx 1 root root 28 Apr 21 02:05 ant-swing.jar ->
../../java/ant/ant-swing.jar
lrwxrwxrwx 1 root root 31 Apr 21 02:05 ant-testutil.jar ->
../../java/ant/ant-testutil.jar


I cannot figure out what my problem is. 

can you help???

Greetings, Ernst 









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