hi, everybody, when i compile spark 3.1.1 from tag v3.1.1 ,encounter error like this:
INFO] --- scala-maven-plugin:4.3.0:compile (scala-compile-first) @ spark-core_2.12 --- [INFO] Using incremental compilation using Mixed compile order [INFO] Compiler bridge file: .sbt/1.0/zinc/org.scala-sbt/org.scala-sbt-compiler-bridge_2.12-1.3.1-bin_2.12.10__52.0-1.3.1_20191012T045515.jar [INFO] compiler plugin: BasicArtifact(com.github.ghik,silencer-plugin_2.12.10,1.6.0,null) [INFO] Compiling 560 Scala sources and 99 Java sources to git/spark/core/target/scala-2.12/classes ... [ERROR] [Error] git/spark/core/src/main/scala/org/apache/spark/ui/HttpSecurityFilter.scala:107: type mismatch; found : K where type K required: String [ERROR] [Error] git/spark/core/src/main/scala/org/apache/spark/ui/HttpSecurityFilter.scala:107: value map is not a member of V [ERROR] [Error] git/spark/core/src/main/scala/org/apache/spark/ui/HttpSecurityFilter.scala:107: missing argument list for method stripXSS in class XssSafeRequest Unapplied methods are only converted to functions when a function type is expected. You can make this conversion explicit by writing `stripXSS _` or `stripXSS(_)` instead of `stripXSS`. [ERROR] [Error] git/spark/core/src/main/scala/org/apache/spark/ui/PagedTable.scala:307: value startsWith is not a member of K [ERROR] [Error] git/spark/core/src/main/scala/org/apache/spark/util/Utils.scala:580: value toLowerCase is not a member of object org.apache.hadoop.util.StringUtils [ERROR] 5 errors found anybody encounter error like this?