Github user asfgit commented on the issue:
https://github.com/apache/carbondata/pull/990
Refer to this link for build results (access rights to CI server needed):
https://builds.apache.org/job/carbondata-pr-spark-1.6/48/<h2>Failed Tests:
<span class='status-failure'>3</span></h2><h3><a
name='carbondata-pr-spark-1.6/org.apache.carbondata:carbondata-spark' /><a
href='https://builds.apache.org/job/carbondata-pr-spark-1.6/48/org.apache.carbondata$carbondata-spark/testReport'>carbondata-pr-spark-1.6/org.apache.carbondata:carbondata-spark</a>:
<span class='status-failure'>2</span></h3><ul><li><a
href='https://builds.apache.org/job/carbondata-pr-spark-1.6/48/org.apache.carbondata$carbondata-spark/testReport/org.apache.carbondata.spark.util/AllDictionaryTestCase/Support_generate_global_dictionary_from_all_dictionary_files/'><strong>org.apache.carbondata.spark.util.AllDictionaryTestCase.Support
generate global dictionary from all dictionary files</strong></a></li><li><a
href='https://builds.apache.org/job/carbondata-pr-spark-1.6/48/org.apache.carbondata$carbondata-spark/testReport/org.apache.carbondata.spark.util/AllDictionaryTestCase/Support_gener
ate_global_dictionary_from_all_dictionary_files_for_complex_type/'><strong>org.apache.carbondata.spark.util.AllDictionaryTestCase.Support
generate global dictionary from all dictionary files for complex
type</strong></a></li></ul><h3><a
name='carbondata-pr-spark-1.6/org.apache.carbondata:carbondata-spark-common-test'
/><a
href='https://builds.apache.org/job/carbondata-pr-spark-1.6/48/org.apache.carbondata$carbondata-spark-common-test/testReport'>carbondata-pr-spark-1.6/org.apache.carbondata:carbondata-spark-common-test</a>:
<span class='status-failure'>1</span></h3><ul><li><a
href='https://builds.apache.org/job/carbondata-pr-spark-1.6/48/org.apache.carbondata$carbondata-spark-common-test/testReport/org.apache.carbondata.spark.testsuite.dataretention/DataRetentionConcurrencyTestCase/DataRetention_Concurrency_load_date/'><strong>org.apache.carbondata.spark.testsuite.dataretention.DataRetentionConcurrencyTestCase.DataRetention_Concurrency_load_date</strong></a></li></ul>
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