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PODTD not found error while updating attribute value using Ant XmlTask
 

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  1. PODTD not found error while updating attribute value using Ant XmlTask
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    <p>I want to update value of <code>debug.classpath</code> property. I am using <code>XmlTask</code> to do manipulations. However, I am running to <code>DTD</code> not found issue. </p> <p>This is my target XML file.<br/></p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;!DOCTYPE Configuration SYSTEM "xconf.dtd"&gt; &lt;Configuration&gt; &lt;Property name="debug.classpath" value="&lt;changeme&gt;" &lt;/Configuration&gt; </code></pre> <p>This is my Ant target.</p> <pre><code>&lt;target name="configure" &gt; &lt;xmltask source="myxml.xml"&gt; &lt;attr path="//Property[@name='debug.classpath']" attr="value" value="New Value"/&gt; &lt;/xmltask&gt; &lt;/target&gt; </code></pre> <p>When I execute this target, I get below error.</p> <blockquote> <p>[xmltask] java.io.FileNotFoundException: D:\utils\xconf.dtd (The system cannot find the file specified)</p> </blockquote> <p>This DTD is present in a Jar file called <code>Utils.jar</code>. After google'ing I found <code>XmlCatalog</code> task and using that I wrote below version of my target.(Not sure if I've made intended use of <code>XmlCatalog</code>). The <code>Utils.jar</code> is not in Ant's classpath hence tried to add it using <code>&lt;classpath&gt;</code>. </p> <pre><code>&lt;target name="configure"&gt; &lt;xmlcatalog id="XconfDtd"&gt; &lt;classpath&gt; &lt;pathelement location="D:/libs/Utils.jar"/&gt; &lt;/classpath&gt; &lt;dtd location="xconf.dtd" /&gt; &lt;/xmlcatalog&gt; &lt;xmltask source="${env.WT_HOME}/codebase/wt.properties.xconf"&gt; &lt;xmlcatalog refid="XconfDtd" /&gt; &lt;attr path="//Property[@name='debug.classpath']" attr="value" value="New Value" /&gt; &lt;/xmltask&gt; &lt;/target&gt; </code></pre> <p>However, when I execute this target, I get below error</p> <blockquote> <p>[xmltask] java.lang.NullPointerException [xmltask] at org.apache.tools.ant.types.XMLCatalog.findMatchingEntry(XMLCatalog.java:592) [xmltask] at org.apache.tools.ant.types.XMLCatalog.access$000(XMLCatalog.java:119) [xmltask] at org.apache.tools.ant.types.XMLCatalog$InternalResolver.resolveEntity(XMLCatalog.java:811) [xmltask] at org.apache.tools.ant.types.XMLCatalog.resolveEntity(XMLCatalog.java:385) [xmltask] at com.sun.org.apache.xerces.internal.util.EntityResolverWrapper.resolveEntity(EntityResolverWrapper.java:110) [xmltask] at com.sun.org.apache.xerces.internal.impl.XMLEntityManager.resolveEntityAsPerStax(XMLEntityManager.java:994) [xmltask] at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$DTDDriver.dispatch(XMLDocumentScannerImpl.java:1149) [xmltask] at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$DTDDriver.next(XMLDocumentScannerImpl.java:1047) [xmltask] at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$PrologDriver.next(XMLDocumentScannerImpl.java:960) [xmltask] at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:607) [xmltask] at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(XMLNSDocumentScannerImpl.java:116) [xmltask] at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:488) [xmltask] at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:835) [xmltask] at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:764)</p> </blockquote> <p>Even after putting <code>Utils.jar</code> to <code>$ANT_HOME/lib</code> I still see above error. Any help is highly appreciated. You can suggest any alternate way to achieve this in Ant.</p> <p>Thanks in advance.</p>
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    1. PTQuestion
    1. USVaman Kulkarni
    1. USVaman Kulkarni
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      1. VTUpMod
    1. COIs the `locatio` in `<pathelement locatio="D:/libs/Utils.jar"/>` just a typo? (Should be `location`.)
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      1. PODTD not found error while updating attribute value using Ant XmlTask
      1. USDaniel Haley
    2. COYes. It was a typo.
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      1. PODTD not found error while updating attribute value using Ant XmlTask
      1. USVaman Kulkarni
    3. COI think it will work it you simply remove the doctype declaration (`<!DOCTYPE Configuration SYSTEM "xconf.dtd">`). Do you have to keep it in the XML file?
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      1. PODTD not found error while updating attribute value using Ant XmlTask
      1. USmzjn
 

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