[jira] [Created] (KAFKA-14270) Kafka Streams logs exception on startup

["Oliver Eikemeier (Jira)" <ji...@apache.org>]

Oliver Eikemeier created KAFKA-14270:
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             Summary: Kafka Streams logs exception on startup
                 Key: KAFKA-14270
                 URL: https://issues.apache.org/jira/browse/KAFKA-14270
             Project: Kafka
          Issue Type: Bug
          Components: streams
    Affects Versions: 3.3.0
            Reporter: Oliver Eikemeier


Kafka Streams expects a version resource at /kafka/kafka-streams-version.properties. It is read by {{{}ClientMetrics{}}}, initialised by

[https://github.com/apache/kafka/blob/3.3.0/streams/src/main/java/org/apache/kafka/streams/KafkaStreams.java#L894]

When the resource is not found,

[https://github.com/apache/kafka/blob/3.3.0/streams/src/main/java/org/apache/kafka/streams/internals/metrics/ClientMetrics.java#L55]

logs a warning at startup:
org.apache.kafka.streams.internals.metrics.ClientMetrics <clinit> WARN: Error while loading kafka-streams-version.properties
java.lang.NullPointerException: inStream parameter is null
	at java.base/java.util.Objects.requireNonNull(Objects.java:233)
	at java.base/java.util.Properties.load(Properties.java:407)
	at org.apache.kafka.streams.internals.metrics.ClientMetrics.<clinit>(ClientMetrics.java:53)
	at org.apache.kafka.streams.KafkaStreams.<init>(KafkaStreams.java:894)
	at org.apache.kafka.streams.KafkaStreams.<init>(KafkaStreams.java:856)
	at org.apache.kafka.streams.KafkaStreams.<init>(KafkaStreams.java:826)
	at org.apache.kafka.streams.KafkaStreams.<init>(KafkaStreams.java:738)



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