bash> git Clone POM> <java.version>1.8</java.version> bash> java -version ==> java version "1.8.0_111"
*Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on project flink-core: Compilation failure[ERROR] . . . /flink1.2 _10_Nov/flink-core/src/main/java/org/apache/flink/api/java/typeutils/runtime/TupleSerializer.java:[112,63] incompatible types: void cannot be converted to java.lang.Object* is this Normal ? (If I put 1.7, there isn't any problem)
