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Title: GH-734: Improve CompositeJdbcConsumer error handling and add unit tests by Odin-BN · Pull Request #778 · apache/arrow-java · GitHub

Open Graph Title: GH-734: Improve CompositeJdbcConsumer error handling and add unit tests by Odin-BN · Pull Request #778 · apache/arrow-java

X Title: GH-734: Improve CompositeJdbcConsumer error handling and add unit tests by Odin-BN · Pull Request #778 · apache/arrow-java

Description: What's Changed This PR improves error handling in 'CompositeJdbConsumer' by safely handling null 'ValueVector' and 'ResultSet' values to prevent 'NullPointerException', and return the intended 'JdbcConsumerException'. How was this tested? Added two unit tests in 'CompositeJdbcConsumerTest': 'testHandlesJdbcConsumerExceptionGracefully' verifies 'ArrowType' is captured if vector is valid, and returns the 'JdbcConsumerException' even though 'ResultSet' is null (which gave another NullPointerException previously). 'testJdbcConsumerExceptionWhenArrowTypeIsNull' verifies 'ArrowType' is 'null' and returns the 'JdbcConsumerException'. All tests pass after the change. Closes #734

Open Graph Description: What's Changed This PR improves error handling in 'CompositeJdbConsumer' by safely handling null 'ValueVector' and 'ResultSet' values to prevent 'NullPointerExceptio...

X Description: What's Changed This PR improves error handling in 'CompositeJdbConsumer' by safely handling null 'ValueVector' and 'ResultSet' values to prev...

Opengraph URL: https://github.com/apache/arrow-java/pull/778

X: @github

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1c27930 GH-734: Improve CompositeJdbcConsumer error handling and add unit tests Odin-BN May 30, 2025 https://patch-diff.githubusercontent.com/apache/arrow-java/pull/778/commits/1c279300bc884331aef3349d8af18ca0b09da465
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