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Posted to dev@kafka.apache.org by "Oliver Eikemeier (Jira)" <ji...@apache.org> on 2022/09/30 09:55:00 UTC
[jira] [Created] (KAFKA-14270) Kafka Streams logs exception on startup
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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