zenozeng commented on a change in pull request #4029: URL: https://github.com/apache/zeppelin/pull/4029#discussion_r561616614
########## File path: jdbc/src/main/java/org/apache/zeppelin/jdbc/JDBCInterpreter.java ########## @@ -513,7 +513,7 @@ public Connection getConnection(String dbPrefix, InterpreterContext context) String url = properties.getProperty(URL_KEY); String connectionUrl = appendProxyUserToURL(url, user, dbPrefix); - String authType = properties.getProperty("zeppelin.jdbc.auth.type", "SIMPLE") + String authType = StringUtils.defaultIfEmpty(getProperty("zeppelin.jdbc.auth.type"), "SIMPLE") Review comment: @zjffdu Without `StringUtils.defaultIfEmpty`, jdbcIntegrationTest will fail, see also: https://github.com/apache/zeppelin/runs/1728251503 If `zeppelin.jdbc.auth.type` is empty string (`""`), `properties.getProperty("zeppelin.jdbc.auth.type", "SIMPLE")` will return `""`. But `defaultIfEmpty(T str, T defaultStr)` returns the value of defaultStr the CharSequence is empty or null. ---------------------------------------------------------------- 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