Matthias Seiler created SPARK-32938:
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Summary: Spark can not cast long value from Kafka
Key: SPARK-32938
URL: https://issues.apache.org/jira/browse/SPARK-32938
Project: Spark
Issue Type: Bug
Components: Java API, SQL, Structured Streaming
Affects Versions: 3.0.0
Environment: Debian 10 (Buster), AMD64
Spark 3.0.0
Kafka 2.5.0
**spark-sql-kafka-0-10_2.12
Reporter: Matthias Seiler
Spark seems to be unable to cast the key (or value) part from Kafka to a
_{color:#172b4d}long{color}_ value and throws
{code:java}
org.apache.spark.sql.AnalysisException: cannot resolve 'CAST(`key` AS BIGINT)'
due to data type mismatch: cannot cast binary to bigint;;{code}
{color:#172b4d}See this repo for further investigation:{color}
[https://github.com/maseiler/spark-kafka-
casting-bug|https://github.com/maseiler/spark-kafka- casting-bug]
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