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Scala compilation version sensitivity

Scala compilation version sensitivity refers to the strict requirement for compatibility between the Scala compiler version, the Java Development Kit (JDK), and the project build tools. The build environment is highly sensitive to these specific version numbers, and incorrect configuration—even involving minor versions—can lead to critical failures where the system is unable to compile output classes.^[600-developer-big-data-scala-scala-01.md]

Impact

A mismatch in versions prevents the successful generation of class files, effectively halting the development or deployment process.^[600-developer-big-data-scala-scala-01.md] This sensitivity is not limited to major version changes; differences in minor versions can also introduce compilation errors.^[600-developer-big-data-scala-scala-01.md]

Verified Environment

The following environment has been verified to work correctly:^[600-developer-big-data-scala-scala-01.md]

  • Scala: 2.12.7
  • JDK: 1.8.0_181
  • IDE: IntelliJ IDEA 2018.2.2
  • [[Scala]]
  • [[JDK]]
  • [[Classpath]]

Sources

^[600-developer-big-data-scala-scala-01.md]