[GitHub] rabbah opened a new pull request #4304: Run a clean step before build.

[GitBox <gi...@apache.org>]

rabbah opened a new pull request #4304: Run a clean step before build.
URL: https://github.com/apache/incubator-openwhisk/pull/4304
 
 
   This attempts to fix Jenkins failure:
   ```
   > Task :common:scala:compileScala
   /home/jenkins/jenkins-slave/workspace/OpenWhisk-DockerHub/common/scala/src/main/scala/org/apache/openwhisk/core/entity/ExecManifest.scala:79: Cannot find JsonReader or JsonFormat type class for Map[String,Set[org.apache.openwhisk.core.entity.ExecManifest.RuntimeManifest]]
         .map(_.convertTo[Map[String, Set[RuntimeManifest]]].map {
                         ^
   /home/jenkins/jenkins-slave/workspace/OpenWhisk-DockerHub/common/scala/src/main/scala/org/apache/openwhisk/core/entity/ExecManifest.scala:81: type mismatch;
    found   : Any
    required: String
    Note: implicit value runtimeManifestSerdes is not applicable here because it comes after the application point and it lacks an explicit result type
             RuntimeFamily(name, versions.map { mf =>
                           ^
   /home/jenkins/jenkins-slave/workspace/OpenWhisk-DockerHub/common/scala/src/main/scala/org/apache/openwhisk/core/entity/ExecManifest.scala:81: value map is not a member of Any
    Note: implicit value runtimeManifestSerdes is not applicable here because it comes after the application point and it lacks an explicit result type
             RuntimeFamily(name, versions.map { mf =>
                                          ^
   /home/jenkins/jenkins-slave/workspace/OpenWhisk-DockerHub/common/scala/src/main/scala/org/apache/openwhisk/core/entity/ExecManifest.scala:89: Cannot find JsonReader or JsonFormat type class for Set[org.apache.openwhisk.core.entity.ExecManifest.ImageName]
         .map(_.convertTo[Set[ImageName]].map { image =>
                         ^
   four errors found
   
   > Task :common:scala:compileScala FAILED
   ```

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