eugen yushin created FLINK-11201:
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Summary: flink-test-utils dependency issue
Key: FLINK-11201
URL:
https://issues.apache.org/jira/browse/FLINK-11201 Project: Flink
Issue Type: Bug
Components: Tests
Affects Versions: 1.7.0
Reporter: eugen yushin
Starting with Flink 1.7, there's lack of `runtime.testutils.MiniClusterResource` class in `flink-test-utils` distribution.
Steps to reproduce (Scala code)
build.sbt
{code}
name := "flink-17-test-issue"
organization := "x.y.z"
scalaVersion := "2.11.12"
val flinkVersion = "1.7.0"
libraryDependencies ++= Seq(
"org.apache.flink" %% "flink-streaming-scala" % flinkVersion % Provided,
"org.scalatest" %% "scalatest" % "3.0.5" % Test,
"org.apache.flink" %% "flink-test-utils" % flinkVersion % Test
// ,"org.apache.flink" %% "flink-runtime" % flinkVersion % Test classifier Artifact.TestsClassifier
)
{code}
test class:
{code}
class SimpleTest extends AbstractTestBase with FlatSpecLike {
implicit val env: StreamExecutionEnvironment = StreamExecutionEnvironment.getExecutionEnvironment
env.setStreamTimeCharacteristic(TimeCharacteristic.EventTime)
env.setParallelism(1)
env.setRestartStrategy(RestartStrategies.noRestart())
"SimpleTest" should "work" in {
val inputDs = env.fromElements(1,2,3)
inputDs.print()
env.execute()
}
}
{code}
Results in:
{code}
A needed class was not found. This could be due to an error in your runpath. Missing class: org/apache/flink/runtime/testutils/MiniClusterResource
java.lang.NoClassDefFoundError: org/apache/flink/runtime/testutils/MiniClusterResource
...
Caused by: java.lang.ClassNotFoundException: org.apache.flink.runtime.testutils.MiniClusterResource
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 31 more
{code}
This can be fixed by flink-runtime distribution with test classifier.
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