============================================================================== Cloudera JDBC Driver for Impala Release Notes ============================================================================== The release notes provide details of enhancements, features, and known issues in Cloudera JDBC Driver for Impala 2.6.4, as well as the version history. 2.6.4 ======================================================================= Released 2018-06-29 Resolved Issues The following issue has been resolved in Cloudera JDBC Driver for Impala 2.6.4. * [00116966] [IMPJ-386] Documentation for the SocketTimeout configuration option is incorrect. Breaking Changes ============================================================= The following are breaking changes to driver functionality. These changes may cause some workflows from earlier versions of the driver to fail. 2.6.1 ------------------------------------------------------------------------ * Removed support for JDBC 3 (Java 5) Beginning with this release, the driver no longer supports JDBC 3 (Java 5). Only JDBC 4 (Java 6) and JDBC 4.1 (Java 7) are supported. Version History ============================================================== 2.6.3 ------------------------------------------------------------------------ Released 2018-04-18 Enhancements & New Features * [IMPJ-380] Updated Apache ZooKeeper library The driver has been upgraded to use Apache ZooKeeper 3.4.11. * [IMPJ-381] Third-party license file The driver package now includes the file third-party-licenses.txt. This text file contains the licenses for all third-party software used in the driver. The third-party license information is also available in the Installation and Configuration Guide. Resolved Issues The following issue has been resolved in Cloudera JDBC Driver for Impala 2.6.3. * [00115517] [IMPJ-353] When attempting to close a statement that is already closed, the driver logs an error. 2.6.2 ------------------------------------------------------------------------ Released 2018-04-06 Enhancements & New Features * Updated Apache ZooKeeper library The driver has been upgraded to use Apache ZooKeeper 3.4.7. 2.6.1 ------------------------------------------------------------------------ Released 2018-03-16 Enhancements & New Features * Improved installation process Third-party libraries are now bundled with the driver as a shaded jar file. * Updated hive-service The driver has been upgraded to use hive-service-2.0.1 with JDBC 4.1 and hive-service-1.1.1 for JDBC 4. * Updated third-party libraries The driver has been upgraded to use http-client 4.5.3, http-core 4.4.6, commons-codec 1.9, and commons-logging 1.2. Resolved Issues The following issues were resolved in Cloudera JDBC Driver for Impala 2.6.1. * [00115543] A string literal after a back-tick ( ` ) is treated as a comment. * [00115424] When the driver attempts to connect to the server using Beeline, an error occurs on the server and an exception is logged by the driver. This issue has been resolved. Now, when connecting to the server using Beeline, connection properties such as "driver" and "url" are no longer treated as configuration properties for the server, and the driver does not send SET queries to the server with these properties. ============================================================================== Contact Us ============================================================================== If you are having difficulties using the driver, our Community Forum (http://community.cloudera.com) may have your solution. In addition to providing user to user support, our forums are a great place to share your questions, comments, and feature requests with us. If you are a Subscription customer you may also use the Cloudera Support Portal (http://www.cloudera.com/content/cloudera/en/support/home.html) to search the Knowledge Base or file a Case. Important: To help us assist you, prior to contacting Cloudera Support please prepare a detailed summary of the client and server environment including operating system version, patch level, and configuration.