cgivre opened a new pull request #1932: DRILL-7485: NPE on PCAP Batch Reader URL: https://github.com/apache/drill/pull/1932 The Drill PCAP reader was throwing a NPE if it encountered a packet with a null IP address. This phenomenon can occur in ARP packets before IP addresses are resolved to MAC addresses. The PR adds a function to `Packet.java` that checks whether the IP address is `null`, and if is, returns an empty string. If the IP addresses are populated, it returns the String version of the IP address. https://github.com/cgivre/drill/blob/93e0275280e88a0a83aa4fc7e6f0ed907ac576d7/exec/java-exec/src/main/java/org/apache/drill/exec/store/pcap/decoder/Packet.java#L186-#L202 I added a small test file, as well as a new unit test to confirm the functionality.
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