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PO"java.net.UnknownHostException" occur when read mybatis xml file
 

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  1. PO"java.net.UnknownHostException" occur when read mybatis xml file
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    <p>I like to read data from following mybatis xml file by java code. (Not mybatis mapping, just want to read data form outside application.)</p> <pre><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt; &lt;!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd"&gt; &lt;mapper namespace="com.raistudies.persistence.UserService"&gt; &lt;resultMap id="result" type="user"&gt; &lt;result property="id" column="id"/&gt; &lt;result property="name" column="name"/&gt; &lt;result property="standard" column="standard"/&gt; &lt;result property="age" column="age"/&gt; &lt;result property="sex" column="sex"/&gt; &lt;/resultMap&gt; &lt;select id="getAllUser" resultMap="result"&gt; SELECT id,name,standard,age,sex FROM user; &lt;/select&gt; &lt;/mapper&gt; </code></pre> <p>So i trying with xml reader as follow:</p> <pre><code> File fXmlFile = new File("c:\\mybatis.xml"); DocumentBuilderFactory dbFactory = DocumentBuilderFactory .newInstance(); DocumentBuilder dBuilder = dbFactory.newDocumentBuilder(); Document doc = dBuilder.parse(fXmlFile); doc.getDocumentElement().normalize(); NodeList nList = doc.getElementsByTagName("mapper"); . . . </code></pre> <p>But when i run this code, i got following error</p> <pre><code>java.net.UnknownHostException: mybatis.org at java.net.AbstractPlainSocketImpl.connect(Unknown Source) at java.net.PlainSocketImpl.connect(Unknown Source) at java.net.SocksSocketImpl.connect(Unknown Source) at java.net.Socket.connect(Unknown Source) at java.net.Socket.connect(Unknown Source) at sun.net.NetworkClient.doConnect(Unknown Source) at sun.net.www.http.HttpClient.openServer(Unknown Source) at sun.net.www.http.HttpClient.openServer(Unknown Source) at sun.net.www.http.HttpClient.&lt;init&gt;(Unknown Source) at sun.net.www.http.HttpClient.New(Unknown Source) at sun.net.www.http.HttpClient.New(Unknown Source) at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(Unknown Source) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown Source) at sun.net.www.protocol.http.HttpURLConnection.connect(Unknown Source) at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLEntityManager.setupCurrentEntity(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLEntityManager.startEntity(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLEntityManager.startDTDEntity(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLDTDScannerImpl.setInputSource(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$DTDDriver.dispatch(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$DTDDriver.next(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$PrologDriver.next(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source) at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source) at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source) at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(Unknown Source) at com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(Unknown Source) at com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(Unknown Source) at javax.xml.parsers.DocumentBuilder.parse(Unknown Source) at xmlReader.main(xmlReader.java:37) </code></pre> <p>I found the course of error because of this statement.</p> <pre><code> &lt;!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd"&gt; </code></pre> <p>My all code are work properly when i remove this statement. Let me know, how can i overcome this problem.</p>
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    1. USAKZap
    1. USAKZap
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      1. PO"java.net.UnknownHostException" occur when read mybatis xml file
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    1. COProbably want this? http://stackoverflow.com/questions/1185519/how-to-read-well-formed-xml-in-java-but-skip-the-schema
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      1. PO"java.net.UnknownHostException" occur when read mybatis xml file
      1. USKenny Lim
    2. CO+1 Thanks alot @KennyLim for your ref. I got the solution now.
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      1. USAKZap
 

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