compile (default-compile) on project presto-jdbc-java6: Compilation failure: Compilation failure

[saksim]

hello guys, I promised i have followed each step of this project, however, several errors occur no matter which computer i used. The detailed errors as followed:

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on project presto-jdbc-java6: Compilation failure: Compilation failure: [ERROR] bootstrap class path not set in conjunction with -source 1.6 [ERROR] /home/hadoop/presto-jdbc-java6/src/main/java/com/facebook/presto/jdbc/PrestoConnection.java:[59,7] error: PrestoConnection is not abstract and does not override abstract method getNetworkTimeout() in Connection [ERROR] /home/hadoop/presto-jdbc-java6/src/main/java/com/facebook/presto/jdbc/PrestoDatabaseMetaData.java:[31,7] error: PrestoDatabaseMetaData is not abstract and does not override abstract method generatedKeyAlwaysReturned() in DatabaseMetaData [ERROR] /home/hadoop/presto-jdbc-java6/src/main/java/com/facebook/presto/jdbc/PrestoResultSet.java:[72,7] error: PrestoResultSet is not abstract and does not override abstract method <T>getObject(String,Class<T>) in ResultSet [ERROR] where T is a type-variable: [ERROR] T extends Object declared in method <T>getObject(String,Class<T>) [ERROR] /home/hadoop/presto-jdbc-java6/src/main/java/com/facebook/presto/jdbc/PrestoDriver.java:[32,7] error: PrestoDriver is not abstract and does not override abstract method getParentLogger() in Driver

BTW, each computer of my cluster as followed: linux os：Centos7.2-64bit; jdk：jdk-1.7.80 maven: 3.3.9 python: 2.7.5

Thanks for your reply in advance.