maziyarpanahi opened a new pull request #3290: Spark 2.4 uses a more recent commons-lang3 than Zeppelin-0.8 [ZEPPELIN-3939] URL: https://github.com/apache/zeppelin/pull/3290 ### What is this PR for? `Zeppelin-0.8.1` and `Zeppelin-0.8.2` cannot fully support Spark 2.4 if `commons-lang3` has incompaitble version from the one in Spark 2.4. The branch-0.9 (master) has already been updated to `3.7`, however the branch-0.8 hasn't done these changes. By updating the version from `3.4` to `3.7` we resolve the issue that I have reported on Jira regarding reading `CSV` and `JSON` files in Spark 2.4.x. Next release of `Zeppelin-0.8.x` can fully support Spark 2.4 without waiting for `Zeppelin 0.9.x`. ### What type of PR is it? [Bug Fix] ### What is the Jira issue? https://issues.apache.org/jira/projects/ZEPPELIN/issues/ZEPPELIN-3939 ### How should this be tested? * First time? Setup Travis CI: Done * Outline any manual steps to test the PR here. I have tested reading `CSV` and `JSON` in `Zeppelin-0.8.0` (released), `Zeppelin-0.8.1` (released), and `Zeppelin-0.8.2` (not released yet) by pointing SPARK_HOME to spark-2.4.0 and they all failed same as the Jira issue. ``` java.io.InvalidClassException: org.apache.commons.lang3.time.FastDateParser; local class incompatible ``` After updating `common-lang3` to `3.7`, Zeppelin-0.8.2 reads the `CSV` and `JSON` files in spark-2.4.0 without any issue. This has happened before and the solution was to update `commons-lang3` to appropriate version used in Apache Spark: https://github.com/apache/zeppelin/commit/88a905caf2043d12a85462940c451b424d218dba ### Questions: * Does the licenses files need update? Yes * Is there breaking changes for older versions? No * Does this needs documentation? No
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