Github user zentol commented on the issue:
https://github.com/apache/flink/pull/4896
Doesn't compile:
```[INFO] flink-hadoop-compatibility ......................... FAILURE [
5.449 s]
[INFO] flink-avro ......................................... SKIPPED
[INFO] flink-tests ........................................ SKIPPED
[INFO] flink-streaming-scala .............................. SKIPPED
[INFO] flink-scala-shell .................................. SKIPPED
[INFO]
------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO]
------------------------------------------------------------------------
[INFO] Total time: 03:32 min
[INFO] Finished at: 2017-10-24T23:22:39+00:00
[INFO] Final Memory: 144M/870M
[INFO]
------------------------------------------------------------------------
[ERROR] Failed to execute goal
org.apache.maven.plugins:maven-compiler-plugin:3.1:testCompile
(default-testCompile) on project flink-hadoop-compatibility_2.11: Compilation
failure: Compilation failure:
[ERROR]
/home/travis/build/apache/flink/flink-connectors/flink-hadoop-compatibility/src/test/java/org/apache/flink/test/hadoopcompatibility/mapreduce/HadoopInputOutputITCase.java:[49,21]
cannot find symbol
[ERROR] symbol: method setParallelism(int)
[ERROR]
/home/travis/build/apache/flink/flink-connectors/flink-hadoop-compatibility/src/test/java/org/apache/flink/test/hadoopcompatibility/mapred/HadoopIOFormatsITCase.java:[61,33]
cannot find symbol
[ERROR] symbol: variable config
[ERROR] location: class
org.apache.flink.test.hadoopcompatibility.mapred.HadoopIOFormatsITCase
[ERROR]
/home/travis/build/apache/flink/flink-connectors/flink-hadoop-compatibility/src/test/java/org/apache/flink/test/hadoopcompatibility/mapred/HadoopIOFormatsITCase.java:[68,17]
constructor JavaProgramTestBase in class
org.apache.flink.test.util.JavaProgramTestBase cannot be applied to given types;
[ERROR] required: no arguments
[ERROR] found: org.apache.flink.configuration.Configuration
[ERROR] reason: actual and formal argument lists differ in length
[ERROR]
/home/travis/build/apache/flink/flink-connectors/flink-hadoop-compatibility/src/test/java/org/apache/flink/test/hadoopcompatibility/mapred/HadoopMapredITCase.java:[47,21]
cannot find symbol
[ERROR] symbol: method setParallelism(int)
```
---
