[GitHub] [beam] j1cs commented on issue #26003: [Bug]: Unable to infer a coder for JdbcIO.read() transform when using a custom class with @DefaultCoder annotation

["j1cs (via GitHub)" <gi...@apache.org>]

j1cs commented on issue #26003:
URL: https://github.com/apache/beam/issues/26003#issuecomment-1489358013

   @Abacn 
   ```text
   java.lang.IllegalStateException: Unable to infer a coder for JdbcIO.readAll() transform. Provide a coder via withCoder, or ensure that one can be inferred from the provided RowMapper.
           at org.apache.beam.sdk.util.Preconditions.checkStateNotNull(Preconditions.java:471)
           at org.apache.beam.sdk.io.jdbc.JdbcIO$ReadAll.expand(JdbcIO.java:1094)
           at org.apache.beam.sdk.io.jdbc.JdbcIO$ReadAll.expand(JdbcIO.java:941)
           at org.apache.beam.sdk.Pipeline.applyInternal(Pipeline.java:548)
           at org.apache.beam.sdk.Pipeline.applyTransform(Pipeline.java:482)
           at org.apache.beam.sdk.values.PCollection.apply(PCollection.java:360)
           at org.apache.beam.sdk.io.jdbc.JdbcIO$Read.expand(JdbcIO.java:920)
           at org.apache.beam.sdk.io.jdbc.JdbcIO$Read.expand(JdbcIO.java:783)
           at org.apache.beam.sdk.Pipeline.applyInternal(Pipeline.java:548)
           at org.apache.beam.sdk.Pipeline.applyTransform(Pipeline.java:499)
           at org.apache.beam.sdk.values.PBegin.apply(PBegin.java:56)
           at org.apache.beam.sdk.Pipeline.apply(Pipeline.java:192)
           at me.jics.AppCommand.run(AppCommand.java:31)
           at picocli.CommandLine.executeUserObject(CommandLine.java:1939)
           at picocli.CommandLine.access$1300(CommandLine.java:145)
           at picocli.CommandLine$RunLast.executeUserObjectOfLastSubcommandWithSameParent(CommandLine.java:2358)
           at picocli.CommandLine$RunLast.handle(CommandLine.java:2352)
           at picocli.CommandLine$RunLast.handle(CommandLine.java:2314)
           at picocli.CommandLine$AbstractParseResultHandler.execute(CommandLine.java:2179)
           at picocli.CommandLine$RunLast.execute(CommandLine.java:2316)
           at picocli.CommandLine.execute(CommandLine.java:2078)
           at io.micronaut.configuration.picocli.PicocliRunner.execute(PicocliRunner.java:202)
           at io.micronaut.configuration.picocli.PicocliRunner.execute(PicocliRunner.java:179)
           at me.jics.AppCommand.main(AppCommand.java:22)
   ```
   let me try readRows.


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