4.0.0 org.apache.impala impala-data-source 4.2.0-SNAPSHOT impala-data-source-api Apache Impala External Data Source API External Data Source API interface definition jar . org.apache.thrift libthrift ${thrift.version} org.apache.maven.plugins maven-source-plugin 2.4 attach-sources jar org.apache.maven.plugins maven-compiler-plugin 3.3 1.8 1.8 org.codehaus.mojo build-helper-maven-plugin 1.5 add-source generate-sources add-source ${project.basedir}/generated-sources/gen-java