Hi, you don't have to do that. Next time you can try "Invalidate Caches..." under the File menu in Intellij Idea.
Best regards, Jing On Wed, Jul 13, 2022 at 7:21 PM Min Tu via user <user@flink.apache.org> wrote: > Thanks a lot !! I have removed the .idea folder and the unit test works. > > On Mon, Jul 11, 2022 at 2:44 PM Alexander Fedulov <alexan...@ververica.com> > wrote: > >> Hi Min Tu, >> >> try clean install to make sure the build starts from scratch. Refresh >> maven modules in IntelliJ after the build. If that doesn't work, try >> invalidating IntelliJ caches and/or reimporting the project (remove .idea >> folder). >> >> Best, >> Alexander Fedulov >> >> On Sun, Jul 10, 2022 at 12:59 AM Hemanga Borah <borah.hema...@gmail.com> >> wrote: >> >>> What version of scala are you using? >>> >>> Depending on the build you are using you may be using 2.11 or 2.12. The >>> version on your maven build files needs to be consistent across your system. >>> >>> On Fri, Jul 8, 2022 at 10:00 PM Min Tu via user <user@flink.apache.org> >>> wrote: >>> >>>> Hi, >>>> >>>> I have downloaded the flink code and the build works fine >>>> with following command >>>> >>>> mvnw install -DskipTests -Dcheckstyle.skip >>>> >>>> Then I try to run the unit test code in IntelliJ, but got following >>>> error: >>>> >>>> >>>> /Users/mintu/ApacheProjects/flink/flink-scala/src/test/scala/org/apache/flink/api/scala/DeltaIterationSanityCheckTest.scala:34:41 >>>> *could not find implicit value for evidence parameter of type* >>>> org.apache.flink.api.common.typeinfo.TypeInformation[(Int, String)] >>>> val solutionInput = env.fromElements((1, "1")) >>>> >>>> Please advise. >>>> >>>> Thanks in advance >>>> >>>
