[CALCITE-3750] Intermittent failures in PigRelBuilderStyleTest: ConcurrentModificationException

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 1.21.0
• Component/s: pig-adapter
• Assignee: Unassigned
• Reporter: Vladimir Sitnikov
• Created: 20/Jan/20 12:36
• Updated: 01/Feb/20 22:30

Description

PigRelBuilderStyleTest > testImplWithCountWithoutGroupBy() FAILED
    java.util.ConcurrentModificationException
        at java.util.Hashtable$Enumerator.next(Hashtable.java:1387)
        at org.apache.pig.impl.util.PropertiesUtil.loadDefaultProperties(PropertiesUtil.java:65)
        at org.apache.pig.impl.util.PropertiesUtil.loadDefaultProperties(PropertiesUtil.java:167)
        at org.apache.pig.ExecTypeProvider.fromString(ExecTypeProvider.java:76)
        at org.apache.pig.test.Util.getLocalTestMode(Util.java:1395)
        at org.apache.calcite.test.PigRelBuilderStyleTest.setupDataFilesForPigServer(PigRelBuilderStyleTest.java:286)
FAILURE   0.5sec, org.apache.calcite.test.PigRelBuilderStyleTest > testScanAndFilter()

PigRelBuilderStyleTest > testScanAndFilter() FAILED
    java.util.ConcurrentModificationException
        at java.util.Hashtable$Enumerator.next(Hashtable.java:1387)
        at org.apache.pig.impl.util.PropertiesUtil.loadDefaultProperties(PropertiesUtil.java:65)
        at org.apache.pig.impl.util.PropertiesUtil.loadDefaultProperties(PropertiesUtil.java:167)
        at org.apache.pig.ExecTypeProvider.fromString(ExecTypeProvider.java:76)
        at org.apache.pig.test.Util.getLocalTestMode(Util.java:1395)
        at org.apache.calcite.test.PigRelBuilderStyleTest.setupDataFilesForPigServer(PigRelBuilderStyleTest.java:286)