4.0.0 org.apache.impala impala-data-source 4.2.0-SNAPSHOT impala-data-source-sample Apache Impala External Data Source Sample External Data Source Sample jar . org.apache.impala impala-data-source-api ${project.version} com.google.guava guava ${guava.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