aljoscha commented on a change in pull request #7313:
[FLINK-11116][fs-connector] Removed randomness from HDFS and Local fs writers.
URL: https://github.com/apache/flink/pull/7313#discussion_r242982233
##########
File path:
flink-filesystems/flink-hadoop-fs/src/main/java/org/apache/flink/runtime/fs/hdfs/HadoopRecoverableWriter.java
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@@ -60,6 +60,12 @@ public
HadoopRecoverableWriter(org.apache.hadoop.fs.FileSystem fs) {
@Override
public RecoverableFsDataOutputStream open(Path filePath) throws
IOException {
final org.apache.hadoop.fs.Path targetFile =
HadoopFileSystem.toHadoopPath(filePath);
+
+ // the finalized part must not exist already
+ if (fs.exists(targetFile)) {
Review comment:
Maybe put a more elaborate exception message that indicates that this is a
bug. Because I think this shouldn't happen or you're in some deeper problem
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