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ASF GitHub Bot commented on FLINK-3565: --------------------------------------- Github user rmetzger commented on the pull request: https://github.com/apache/flink/pull/1755#issuecomment-191695544 The change breaks the tests: https://travis-ci.org/apache/flink/builds/113179846 > FlinkKafkaConsumer does not work with Scala 2.11 > ------------------------------------------------- > > Key: FLINK-3565 > URL: https://issues.apache.org/jira/browse/FLINK-3565 > Project: Flink > Issue Type: Bug > Components: Streaming > Affects Versions: 1.0.0 > Reporter: Aljoscha Krettek > Assignee: Maximilian Michels > Priority: Blocker > Fix For: 1.0.0, 1.1.0 > > > Running a program built against Flink_2.11 dependencies fails on a Flink_2.11 > cluster with this exception: > java.lang.NoClassDefFoundError: scala/collection/GenTraversableOnce$class > at kafka.utils.Pool.<init>(Pool.scala:28) > at > kafka.consumer.FetchRequestAndResponseStatsRegistry$.<init>(FetchRequestAndResponseStats.scala:60) > at > kafka.consumer.FetchRequestAndResponseStatsRegistry$.<clinit>(FetchRequestAndResponseStats.scala) > at kafka.consumer.SimpleConsumer.<init>(SimpleConsumer.scala:39) > at kafka.javaapi.consumer.SimpleConsumer.<init>(SimpleConsumer.scala:34) > at > org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumer08.getPartitionsForTopic(FlinkKafkaConsumer08.java:518) > at > org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumer08.<init>(FlinkKafkaConsumer08.java:218) > at > org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumer08.<init>(FlinkKafkaConsumer08.java:193) > at > org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumer08.<init>(FlinkKafkaConsumer08.java:160) > at com.dataartisans.querywindow.WindowJob.main(WindowJob.java:93) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:606) > at > org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:505) > at > org.apache.flink.client.program.PackagedProgram.invokeInteractiveModeForExecution(PackagedProgram.java:403) > at org.apache.flink.client.program.Client.runBlocking(Client.java:248) > at > org.apache.flink.client.CliFrontend.executeProgramBlocking(CliFrontend.java:866) > at org.apache.flink.client.CliFrontend.run(CliFrontend.java:333) > at > org.apache.flink.client.CliFrontend.parseParameters(CliFrontend.java:1189) > at org.apache.flink.client.CliFrontend.main(CliFrontend.java:1239) > Caused by: java.lang.ClassNotFoundException: > scala.collection.GenTraversableOnce$class > at java.net.URLClassLoader$1.run(URLClassLoader.java:366) > at java.net.URLClassLoader$1.run(URLClassLoader.java:355) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(URLClassLoader.java:354) > at java.lang.ClassLoader.loadClass(ClassLoader.java:425) > at java.lang.ClassLoader.loadClass(ClassLoader.java:358) > ... 21 more -- This message was sent by Atlassian JIRA (v6.3.4#6332)