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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-5664) java.lang.RuntimeException: javax.xml.parsers.ParserConfigurationException:
Date Wed, 04 Dec 2013 09:08:36 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-5664?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Steve Loughran updated MAPREDUCE-5664:
--------------------------------------

          Environment: Java 1.6
    Affects Version/s: 0.21.0

> java.lang.RuntimeException: javax.xml.parsers.ParserConfigurationException:
> ---------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-5664
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5664
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 0.21.0
>         Environment: Java 1.6
>            Reporter: ranjini
>
> Hi,
> I am using hadoop 0.21 vesrsion and java 1.6.  Please help me to fix the issue. What
version jar should i put. 
> The sample code with xml i have attached here.
> {code}
> <?xml version="1.0"?>
> <Company>
> <Employee>
> <id>100</id>
> <ename>ranjini</ename>
> <dept>IT</dept>
> <sal>123456</sal>
> <location>nextlevel</location>
> </Employee>
> </Company>
> {code}
> {code}
> import java.io.IOException;
> import java.util.*;
> import org.apache.hadoop.fs.Path;
> import org.apache.hadoop.fs.FileSystem;
> import org.apache.hadoop.conf.*;
> import org.apache.hadoop.conf.Configuration;
> import org.apache.hadoop.fs.FileStatus;
> import org.apache.hadoop.io.*;
> import org.apache.hadoop.mapred.*;
> import org.apache.hadoop.util.*;
> import java.io.*;
> import org.apache.hadoop.mapred.lib.*;
> import java.io.Reader;
> import java.io.StringReader;
> import org.jdom.Document;
> import org.jdom.Element;
> import org.jdom.JDOMException;
> import org.jdom.input.SAXBuilder;
> public class ParseXml {
> 	public static class Map extends MapReduceBase implements
> 			Mapper<LongWritable, Text, Text, Text> {
> 		
> 		public void map(LongWritable key, Text value,
> 				OutputCollector<Text, Text> output, Reporter reporter) 
> 				throws IOException {
> 			
> 			String s="";
> 			FileSystem fs=null;
> 			Configuration conf=new Configuration();
> 			conf.set("fs.default.name","hdfs://localhost:4440/");
> 			Path srcpath=new Path("/user/hduser/Ran/");
> try {
> 	
> 					String xmlString = value.toString();
>              
>              		SAXBuilder builder = new SAXBuilder();
>             		Reader in = new StringReader(xmlString);
>  					Document doc = builder.build(in);
>            			 Element root = doc.getRootElement();
> 	
>   s =root.getChild("Employee").getChild("id").getChild("ename").getChild("dept").getChild("sal").getChild("location").getTextTrim();
>  output.collect(new Text(""),new Text(s));
> 		
>     } catch (Exception e) {
> 	e.printStackTrace();
>     }
> }
> }
> 			
> 	public static void main(String[] args) throws Exception {
> 		
> 		String input="/user/hduser/Ran/";
> 		String fileoutput="/user/task/Sales/";
> 		JobConf conf = new JobConf(ParseXml.class);
> 		conf.setJobName("file");
> 		conf.setOutputKeyClass(Text.class);
> 		conf.setOutputValueClass(Text.class);
> 		conf.setNumReduceTasks(1);
> 		conf.setMapperClass(Map.class);
> 		conf.setInputFormat(TextInputFormat.class);
> 		conf.setOutputFormat(TextOutputFormat.class);
> 		FileInputFormat.setInputPaths(conf,input);
> 		Path outPath = new Path(fileoutput);
> 		FileOutputFormat.setOutputPath(conf, outPath);
> 		FileSystem dfs = FileSystem.get(outPath.toUri(), conf);
> 			if (dfs.exists(outPath)) {
> 				dfs.delete(outPath, true);
> 			}
> 		//conf.setOutputFormat(MultiFileOutput.class);
> 		JobClient.runJob(conf);
> 	}
> }
> {code}
> When processing xml file as input via map reduce, the error occurred is 
> {code}
> conf.Configuration: error parsing conf file: javax.xml.parsers.ParserConfigurationException:
Feature 'http://apache.org/xml/features/xinclude' is not recognized.
> Exception in thread "main" java.lang.RuntimeException: javax.xml.parsers.ParserConfigurationException:
Feature 'http://apache.org/xml/features/xinclude' is not recognized.
> 	at org.apache.hadoop.conf.Configuration.loadResource(Configuration.java:1171)
> 	at org.apache.hadoop.conf.Configuration.loadResources(Configuration.java:1030)
> 	at org.apache.hadoop.conf.Configuration.getProps(Configuration.java:980)
> 	at org.apache.hadoop.conf.Configuration.get(Configuration.java:382)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:109)
> Caused by: javax.xml.parsers.ParserConfigurationException: Feature 'http://apache.org/xml/features/xinclude'
is not recognized.
> 	at org.apache.xerces.jaxp.DocumentBuilderFactoryImpl.newDocumentBuilder(Unknown Source)
> 	at org.apache.hadoop.conf.Configuration.loadResource(Configuration.java:1061)
> 	... 4 more
> {code}
> Please help to fix the issue



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