HADOOP-12404. Disable caching for JarURLConnection to avoid sharing JarFile with other users when loading resource from URL in Configuration class. Contributed by Zhihai Xu
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@ -782,6 +782,10 @@ Release 2.8.0 - UNRELEASED
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HADOOP-12413. AccessControlList should avoid calling getGroupNames in
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HADOOP-12413. AccessControlList should avoid calling getGroupNames in
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isUserInList with empty groups. (Zhihai Xu via cnauroth)
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isUserInList with empty groups. (Zhihai Xu via cnauroth)
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HADOOP-12404. Disable caching for JarURLConnection to avoid sharing
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JarFile with other users when loading resource from URL in Configuration
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class. (zxu)
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OPTIMIZATIONS
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OPTIMIZATIONS
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HADOOP-11785. Reduce the number of listStatus operation in distcp
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HADOOP-11785. Reduce the number of listStatus operation in distcp
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@ -34,7 +34,9 @@
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import java.io.Writer;
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import java.io.Writer;
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import java.lang.ref.WeakReference;
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import java.lang.ref.WeakReference;
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import java.net.InetSocketAddress;
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import java.net.InetSocketAddress;
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import java.net.JarURLConnection;
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import java.net.URL;
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import java.net.URL;
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import java.net.URLConnection;
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import java.util.ArrayList;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Arrays;
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import java.util.Collection;
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import java.util.Collection;
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@ -2531,7 +2533,14 @@ private Document parse(DocumentBuilder builder, URL url)
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if (url == null) {
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if (url == null) {
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return null;
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return null;
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}
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}
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return parse(builder, url.openStream(), url.toString());
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URLConnection connection = url.openConnection();
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if (connection instanceof JarURLConnection) {
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// Disable caching for JarURLConnection to avoid sharing JarFile
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// with other users.
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connection.setUseCaches(false);
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}
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return parse(builder, connection.getInputStream(), url.toString());
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}
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}
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private Document parse(DocumentBuilder builder, InputStream is,
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private Document parse(DocumentBuilder builder, InputStream is,
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