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https://issues.apache.org/jira/browse/HADOOP-16530?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16916397#comment-16916397
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Masatake Iwasaki commented on HADOOP-16530:
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+1.
I found no problems on unit tests of maybe-relevant modules listed below, with
the patch applied on my local.
{noformat}
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/conf/Configuration.java
import javax.xml.parsers.DocumentBuilderFactory;
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/record/XmlRecordInput.java
import javax.xml.parsers.SAXParserFactory;
hadoop-hdfs-project/hadoop-hdfs-httpfs/src/main/java/org/apache/hadoop/lib/util/ConfigurationUtils.java
import javax.xml.parsers.DocumentBuilderFactory;
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/QueueConfigurationParser.java
import javax.xml.parsers.DocumentBuilderFactory;
hadoop-tools/hadoop-rumen/src/main/java/org/apache/hadoop/tools/rumen/JobConfigurationParser.java
import javax.xml.parsers.DocumentBuilderFactory;
hadoop-tools/hadoop-rumen/src/main/java/org/apache/hadoop/tools/rumen/ParsedConfigFile.java
import javax.xml.parsers.DocumentBuilderFactory;
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/AllocationFileLoaderService.java
import javax.xml.parsers.DocumentBuilderFactory;
{noformat}
> Update xercesImpl in branch-2
> -----------------------------
>
> Key: HADOOP-16530
> URL: https://issues.apache.org/jira/browse/HADOOP-16530
> Project: Hadoop Common
> Issue Type: Improvement
> Reporter: Wei-Chiu Chuang
> Assignee: Wei-Chiu Chuang
> Priority: Major
> Labels: release-blocker
> Attachments: HADOOP-16530.branch-2.001.patch
>
>
> Hadoop 2 depends on xercesImpl 2.9.1, which is more than 10 years old. The
> latest version is 2.12.0, released last year Let's update this dependency.
> HDFS-12221 removed xercesImpl in Hadoop 3. Looking at HDFS-12221, the impact
> of this dependency is very minimal: only used by offlineimageviewer.
> TestOfflineEditsViewer passed for me after the update. Not sure about the
> impact of downstream applications though.
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