Hi, I'm trying to build Flink 1.6.4 from source and some of the tests for flink-scala module are failing for me. Are there some additional dependencies that I need to install to get the tests pass? The essential part of Maven output is here:
Running org.apache.flink.api.scala.runtime.TupleComparatorILD2Test error: error while loading Object, Missing dependency 'object scala in compiler mirror', required by /usr/local/openjdk-8/jre/lib/rt.jar(java/lang/Object.class) Tests run: 11, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.071 sec - in org.apache.flink.api.scala.runtime.TupleComparatorILD2Test Running org.apache.flink.api.scala.runtime.ScalaSpecialTypesSerializerTest error: error while loading Object, Missing dependency 'object scala in compiler mirror', required by /usr/local/openjdk-8/jre/lib/rt.jar(java/lang/Object.class) Tests run: 15, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.257 sec - in org.apache.flink.api.scala.runtime.ScalaSpecialTypesSerializerTest Running org.apache.flink.api.scala.runtime.TraversableSerializerTest Tests run: 10, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.12 sec - in org.apache.flink.api.scala.runtime.TraversableSerializerTest Running org.apache.flink.api.scala.runtime.TupleSerializerTest error: error while loading Object, Missing dependency 'object scala in compiler mirror', required by /usr/local/openjdk-8/jre/lib/rt.jar(java/lang/Object.class) error: error while loading Object, Missing dependency 'object scala in compiler mirror', required by /usr/local/openjdk-8/jre/lib/rt.jar(java/lang/Object.class) error: error while loading Object, Missing dependency 'object scala in compiler mirror', required by /usr/local/openjdk-8/jre/lib/rt.jar(java/lang/Object.class) Tests run: 5, Failures: 0, Errors: 5, Skipped: 0, Time elapsed: 2.245 sec <<< FAILURE! - in org.apache.flink.api.scala.typeutils.EnumValueSerializerUpgradeTest checkIdenticalEnums(org.apache.flink.api.scala.typeutils.EnumValueSerializerUpgradeTest) Time elapsed: 1.464 sec <<< ERROR! scala.reflect.internal.MissingRequirementError: object scala in compiler mirror not found. at scala.reflect.internal.MissingRequirementError$.signal(MissingRequirementError.scala:17) at scala.reflect.internal.MissingRequirementError$.notFound(MissingRequirementError.scala:18) at scala.reflect.internal.Mirrors$RootsBase.getModuleOrClass(Mirrors.scala:53) at scala.reflect.internal.Mirrors$RootsBase.getModuleOrClass(Mirrors.scala:66) at scala.reflect.internal.Mirrors$RootsBase.getPackage(Mirrors.scala:173) at scala.reflect.internal.Definitions$DefinitionsClass.ScalaPackage$lzycompute(Definitions.scala:161) at scala.reflect.internal.Definitions$DefinitionsClass.ScalaPackage(Definitions.scala:161) at scala.reflect.internal.Definitions$DefinitionsClass.ScalaPackageClass$lzycompute(Definitions.scala:162) at scala.reflect.internal.Definitions$DefinitionsClass.ScalaPackageClass(Definitions.scala:162) at scala.reflect.internal.Definitions$DefinitionsClass.init(Definitions.scala:1391) at scala.tools.nsc.Global$Run.<init>(Global.scala:1242) at org.apache.flink.api.scala.typeutils.EnumValueSerializerUpgradeTest$.compileScalaFile(EnumValueSerializerUpgradeTest.scala:207) at org.apache.flink.api.scala.typeutils.EnumValueSerializerUpgradeTest$.compileAndLoadEnum(EnumValueSerializerUpgradeTest.scala:161) at org.apache.flink.api.scala.typeutils.EnumValueSerializerUpgradeTest.checkCompatibility(EnumValueSerializerUpgradeTest.scala:128) at org.apache.flink.api.scala.typeutils.EnumValueSerializerUpgradeTest.checkIdenticalEnums(EnumValueSerializerUpgradeTest.scala:87) The Maven command used for the build is ./apache-maven-3.2.5/bin/mvn -s /m2/settings.xml -B deploy -Pdocs-and-source -Prelease -Dgpg.skip=true -Pinclude-kinesis -DaltDeploymentRepository=internal-releases::default::https://<internal>/nexus/content/repositories/releases/ I'm running the build inside "openjdk:8" Docker image (which is based on Debian 9) with Maven 3.2.5 downloaded from Apache archives. The image has OpenJDK version 1.8.0_222-b10 installed. I realize that I can just skip tests with Maven but I'd prefer not to if there is a way to get them pass. Any help would be most welcome. /Torste Aikio