tomstepp commented on code in PR #33596:
URL: https://github.com/apache/beam/pull/33596#discussion_r1929191476
##########
sdks/java/io/kafka/src/main/java/org/apache/beam/sdk/io/kafka/KafkaUnboundedReader.java:
##########
@@ -299,6 +299,29 @@ public Instant getCurrentTimestamp() throws
NoSuchElementException {
return curTimestamp;
}
+ @Override
+ public byte[] getCurrentRecordId() throws NoSuchElementException {
+ if (!this.offsetBasedDeduplicationSupported) {
+ throw new RuntimeException("UnboundedSource must enable offset-based
deduplication.");
+ }
+ if (curRecord != null) {
+ return KafkaIOUtils.OffsetBasedDeduplication.getUniqueId(
+ curRecord.getTopic(), curRecord.getPartition(),
curRecord.getOffset());
Review Comment:
I'm confused by the error (despite null check beforehand) and proper way to
handle it. Is it due to accessing curRecord multiple times with only one null
check? The error occurs on 2nd and 3rd ref, but not the 1st.
/Users/runner/work/beam/beam/sdks/java/io/kafka/src/main/java/org/apache/beam/sdk/io/kafka/KafkaUnboundedReader.java:309:
error: [dereference.of.nullable] dereference of possibly-null reference
curRecord
Task :sdks:java:io:kafka:compileJava
curRecord.getTopic(), curRecord.getPartition(),
curRecord.getOffset());
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