[jira] [Created] (FLINK-8075) Redundant clone() in Configuration ctor

[Shang Yuanchun (Jira)]

Ted Yu created FLINK-8075:
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             Summary: Redundant clone() in Configuration ctor
                 Key: FLINK-8075
                 URL: https://issues.apache.org/jira/browse/FLINK-8075
             Project: Flink
          Issue Type: Bug
            Reporter: Ted Yu
            Priority: Minor


In  flink-filesystems/flink-s3-fs-presto/src/main/java/org/apache/hadoop/conf/Configuration.java , at line 703:
{code}
  public Configuration(Configuration other) {
    this.resources = (ArrayList<Resource>) other.resources.clone();
    synchronized(other) {
      if (other.properties != null) {
        this.properties = (Properties)other.properties.clone();
      }
{code}
The first clone() call is without synchronization and without null check.



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