HDFS-17847. OIV exits with code 0 (success) even when the output file is incomplete (#8042)

Author: smajeti22-dev

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/offlineImageViewer/OfflineImageViewerPB.java

@@ -265,6 +265,11 @@ public static int run(String[] args) throws Exception {
         printUsage();
         return -1;
       }
+      if ((out != null) && out.checkError()) {
+        System.err.println("CRITICAL FAILURE: PrintStream reported a write error " +
+                "(e.g., Disk Full).");
+        return -1;
+      }
       return 0;
     } catch (EOFException e) {
       System.err.println("Input file ended unexpectedly. Exiting");