[ https://issues.apache.org/jira/browse/KAFKA-7708?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16710252#comment-16710252 ]
Edmondo Porcu commented on KAFKA-7708: -------------------------------------- By the way we have verified there are no real tests, the KTable test is a copy paste of the KStream test and it's joining the Kstream not the Ktables [https://github.com/apache/kafka/blob/trunk/streams/streams-scala/src/test/scala/org/apache/kafka/streams/scala/kstream/KTableTest.scala] line 104 / line 127 > [kafka-streams-scala] Invalid signature for KTable join in 2.12 > --------------------------------------------------------------- > > Key: KAFKA-7708 > URL: https://issues.apache.org/jira/browse/KAFKA-7708 > Project: Kafka > Issue Type: Bug > Reporter: Edmondo Porcu > Priority: Major > > The signature in Scala 2.12 for the join in the > org.kafka.streams.scala.streams.KTable cannot be resolved by the compiler, > probably due to the way parameters lists are handled by the compiler . > See: > > [https://github.com/scala/bug/issues/11288] > [https://stackoverflow.com/questions/53615950/scalac-2-12-fails-to-resolve-overloaded-methods-with-multiple-argument-lists-whe] > > We are wondering how this is not captured by the current build of Kafka, we > are building on 2.12.7 as well -- This message was sent by Atlassian JIRA (v7.6.3#76005)