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https://issues.apache.org/jira/browse/SPARK-51515?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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dong hwan jung resolved SPARK-51515.
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Resolution: Won't Do
> Not support sun.util.calendar.ZoneInfo in java 17
> -------------------------------------------------
>
> Key: SPARK-51515
> URL: https://issues.apache.org/jira/browse/SPARK-51515
> Project: Spark
> Issue Type: Bug
> Components: Build, Tests
> Affects Versions: 4.0.0
> Reporter: dong hwan jung
> Priority: Minor
> Labels: pull-request-available
>
> During test "DateExpressionsSuite" in sql/catalyst.. I met the below error
> {code:java}
> symbolic reference class is not accessible: class sun.util.calendar.ZoneInfo,
> from interface org.apache.spark.sql.catalyst.util.SparkDateTimeUtils (unnamed
> module @12b0404f)java.lang.IllegalAccessException: symbolic reference class
> is not accessible: class sun.util.calendar.ZoneInfo, from interface
> org.apache.spark.sql.catalyst.util.SparkDateTimeUtils (unnamed module
> @12b0404f) at
> java.base/java.lang.invoke.MemberName.makeAccessException(MemberName.java:955)
> at
> java.base/java.lang.invoke.MethodHandles$Lookup.checkSymbolicClass(MethodHandles.java:3686)
> at
> java.base/java.lang.invoke.MethodHandles$Lookup.resolveOrFail(MethodHandles.java:3646)
> at
> java.base/java.lang.invoke.MethodHandles$Lookup.findVirtual(MethodHandles.java:2680)
> {code}
> So, I failed 3 tests: DateFormat, unix_timestamp, to_unix_timestamp
> As I know, since spark 4.x, java 17 would be used by default.
> Java 17 cannot use "sun.*" API by default, we need to replace all apis in the
> spark code.
>
>
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