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Felix Cheung commented on SPARK-16366: -------------------------------------- not 100% sure, but a a similar timestamp test failure was reported at one point and I thought both cases were caused by the machine time zone and R picking that up. > Time comparison failures in SparkR unit tests > --------------------------------------------- > > Key: SPARK-16366 > URL: https://issues.apache.org/jira/browse/SPARK-16366 > Project: Spark > Issue Type: Bug > Components: SparkR > Affects Versions: 1.6.2 > Reporter: Sun Rui > > Got the following failures when running SparkR unit tests: > {panel} > Failed > ------------------------------------------------------------------------- > 1. Failure: date functions on a DataFrame (@test_sparkSQL.R#1261) > -------------- > collect(select(df2, from_utc_timestamp(df2$b, "JST")))[, 1] not equal to > c(as.POSIXlt("2012-12-13 21:34:00 UTC"), as.POSIXlt("2014-12-15 10:24:34 > UTC")). > Attributes: < Component "tzone": 1 string mismatch > > 2. Failure: date functions on a DataFrame (@test_sparkSQL.R#1263) > -------------- > collect(select(df2, to_utc_timestamp(df2$b, "JST")))[, 1] not equal to > c(as.POSIXlt("2012-12-13 03:34:00 UTC"), as.POSIXlt("2014-12-14 16:24:34 > UTC")). > Attributes: < Component "tzone": 1 string mismatch > > {panel} > My environment is Ubuntu 14.04, R 3.2.5, LC_TIME=zh_CN.UTF-8 > {code} > > t<-c(as.POSIXlt("2012-12-13 21:34:00 UTC"), as.POSIXlt("2014-12-15 10:24:34 > > UTC")) > > attr(t, "tzone") > [1] "" "CST" "CST" > {code} > The "tzone" attribute should be cleared before time comparison. -- This message was sent by Atlassian JIRA (v6.4.14#64029) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org