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ASF GitHub Bot commented on FLINK-4309: --------------------------------------- Github user tillrohrmann commented on the issue: https://github.com/apache/flink/pull/2371 Thanks for your contribution @tsunny. Your changes look good. I only had a minor comment. > Potential null pointer dereference in DelegatingConfiguration#keySet() > ---------------------------------------------------------------------- > > Key: FLINK-4309 > URL: https://issues.apache.org/jira/browse/FLINK-4309 > Project: Flink > Issue Type: Bug > Reporter: Ted Yu > Assignee: Sunny T > Priority: Minor > > {code} > final int prefixLen = this.prefix == null ? 0 : this.prefix.length(); > for (String key : this.backingConfig.keySet()) { > if (key.startsWith(this.prefix)) { > {code} > If this.prefix == null, we would get NPE in startsWith(): > {code} > public boolean startsWith(String prefix, int toffset) { > char ta[] = value; > int to = toffset; > char pa[] = prefix.value; > {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)