hellishfire commented on code in PR #2951:
URL: https://github.com/apache/parquet-java/pull/2951#discussion_r1677079348


##########
parquet-hadoop/src/main/java/org/apache/parquet/hadoop/ParquetFileWriter.java:
##########
@@ -1658,11 +1659,15 @@ public void end(Map<String, String> extraMetaData) 
throws IOException {
 
   @Override
   public void close() throws IOException {
+    if (closed) {
+      return;
+    }
     try (PositionOutputStream temp = out) {
       temp.flush();
       if (crcAllocator != null) {
         crcAllocator.close();
       }
+      closed = true;

Review Comment:
   > Putting it in finally block makes it be not retryable.
   
   That was also my initial thought. I was actually torn between these two 
choices, but I suppose it's rare for people to actually retry failed close 
operation. Feedback is welcome.



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