HDFS-8939. Test(S)WebHdfsFileContextMainOperations failing on branch-2. Contributed by Chris Nauroth.

(cherry picked from commit 9871f57d41990b2763d4c23d9040aeb685b4a80f)

hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt

@@ -1292,6 +1292,9 @@ Release 2.8.0 - UNRELEASED
     HDFS-8964. When validating the edit log, do not read at or beyond the file
     offset that is being written (Zhe Zhang via Colin P. McCabe)
 
+    HDFS-8939. Test(S)WebHdfsFileContextMainOperations failing on branch-2.
+    (Chris Nauroth via jghoman)
+
 Release 2.7.2 - UNRELEASED
 
   INCOMPATIBLE CHANGES

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/fs/SWebHdfs.java

@@ -46,6 +46,19 @@ public class SWebHdfs extends DelegateToFileSystem {
    */
   SWebHdfs(URI theUri, Configuration conf)
       throws IOException, URISyntaxException {
-    super(theUri, new SWebHdfsFileSystem(), conf, SCHEME, false);
+    super(theUri, createSWebHdfsFileSystem(conf), conf, SCHEME, false);
+  }
+
+  /**
+   * Returns a new {@link SWebHdfsFileSystem}, with the given configuration.
+   *
+   * @param conf configuration
+   * @return new SWebHdfsFileSystem
+   */
+  private static SWebHdfsFileSystem createSWebHdfsFileSystem(
+      Configuration conf) {
+    SWebHdfsFileSystem fs = new SWebHdfsFileSystem();
+    fs.setConf(conf);
+    return fs;
   }
 }

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/fs/WebHdfs.java

@@ -46,6 +46,18 @@ public class WebHdfs extends DelegateToFileSystem {
    */
   WebHdfs(URI theUri, Configuration conf)
       throws IOException, URISyntaxException {
-    super(theUri, new WebHdfsFileSystem(), conf, SCHEME, false);
+    super(theUri, createWebHdfsFileSystem(conf), conf, SCHEME, false);
+  }
+
+  /**
+   * Returns a new {@link WebHdfsFileSystem}, with the given configuration.
+   *
+   * @param conf configuration
+   * @return new WebHdfsFileSystem
+   */
+  private static WebHdfsFileSystem createWebHdfsFileSystem(Configuration conf) {
+    WebHdfsFileSystem fs = new WebHdfsFileSystem();
+    fs.setConf(conf);
+    return fs;
   }
 }