xiejiajun opened a new pull request #3852: URL: https://github.com/apache/zeppelin/pull/3852
### What is this PR for? - Support for manually specifying the Java version of Spark Interpreter Scala REPL. - This feature can be used to resolve runtime errors caused by reference to third-party libraries that use high-version Java in Spark Interpreter. ### What type of PR is it? [Feature] ### Todos * [ ] - Task ### What is the Jira issue? * https://issues.apache.org/jira/projects/ZEPPELIN/issues/ZEPPELIN-4950 ### How should this be tested? * manually tested * Specify spark.repl.target through %spark.conf or when configuring Spark Interpreter * Reference and call a Java method in a third-party library developed using Java 8 and using Java 8 features such as interface static methods through the Spark interpreter. If the call is successful, it means the test passed ### Screenshots (if appropriate)  ### Questions: * Does the licenses files need update? NO * Is there breaking changes for older versions? NO * Does this needs documentation? Yes ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org