Top Answers

1. StringBuilder append() and null values
   3 votes
2. EmbeddedKafka failing since Spring Boot 2.6.X : AccessDeniedException: ..\AppData\Local\Temp\spring.kafka*
   2 votes
3. Junit 5 with test application.properties
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4. No serializer found for class java.io.ByteArrayInputStream
   -1 votes