Fixing FS close

Author: anujmodi2021

hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/AzureBlobFileSystem.java

@@ -148,7 +148,7 @@ public class AzureBlobFileSystem extends FileSystem
   private URI uri;
   private Path workingDir;
   private AzureBlobFileSystemStore abfsStore;
-  private boolean isClosed;
+  private boolean isClosed = true;
   private final String fileSystemId = UUID.randomUUID().toString();
 
   private boolean delegationTokenEnabled = false;
@@ -312,6 +312,7 @@ public void initialize(URI uri, Configuration configuration)
     }
 
     rateLimiting = RateLimitingFactory.create(abfsConfiguration.getRateLimit());
+    isClosed = false;
     LOG.debug("Initializing AzureBlobFileSystem for {} complete", uri);
   }
 

hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/ITestFileSystemInitialization.java

@@ -98,4 +98,13 @@ public void testFileSystemCapabilities() throws Throwable {
             FS_ACLS, acls, fs)
         .isEqualTo(acls);
   }
+
+  /**
+   * Test that the AzureBlobFileSystem close without init works
+   * @throws Exception if an error occurs
+   */
+  @Test
+  public void testABFSCloseWithoutInit() throws Exception {
+    new AzureBlobFileSystem().close();
+  }
 }