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Apache beam NPE
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| Exception in thread "main" java.lang.NullPointerException | |
| at main.FieldValueGetter$SchemaCodeGen$EDIMbOOQ.get(Unknown Source) | |
| at main.FieldValueGetter$SchemaCodeGen$EDIMbOOQ.get(Unknown Source) | |
| at org.apache.beam.sdk.values.RowWithGetters.getValue(RowWithGetters.java:63) | |
| at org.apache.beam.sdk.coders.RowCoderGenerator$EncodeInstruction.scanNullFields(RowCoderGenerator.java:245) | |
| at org.apache.beam.sdk.coders.RowCoderGenerator$EncodeInstruction.encodeDelegate(RowCoderGenerator.java:230) | |
| at org.apache.beam.sdk.coders.Coder$ByteBuddy$U2iAPosY.encode(Unknown Source) | |
| at org.apache.beam.sdk.coders.Coder$ByteBuddy$U2iAPosY.encode(Unknown Source) | |
| at org.apache.beam.sdk.coders.RowCoder.encode(RowCoder.java:145) | |
| at org.apache.beam.sdk.schemas.SchemaCoder.encode(SchemaCoder.java:81) | |
| at org.apache.beam.sdk.coders.Coder.encode(Coder.java:136) | |
| at org.apache.beam.sdk.util.CoderUtils.encodeToSafeStream(CoderUtils.java:82) | |
| at org.apache.beam.sdk.util.CoderUtils.encodeToByteArray(CoderUtils.java:66) | |
| at org.apache.beam.sdk.util.CoderUtils.encodeToByteArray(CoderUtils.java:51) | |
| at org.apache.beam.sdk.transforms.Create$Values$CreateSource.fromIterable(Create.java:413) | |
| at org.apache.beam.sdk.transforms.Create$Values.expand(Create.java:370) | |
| at org.apache.beam.sdk.transforms.Create$Values.expand(Create.java:275) | |
| at org.apache.beam.sdk.Pipeline.applyInternal(Pipeline.java:539) | |
| at org.apache.beam.sdk.Pipeline.applyTransform(Pipeline.java:473) | |
| at org.apache.beam.sdk.values.PBegin.apply(PBegin.java:44) | |
| at org.apache.beam.sdk.Pipeline.apply(Pipeline.java:169) | |
| at main.MainKt.main(main.kt:35) |
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| package main | |
| import org.apache.beam.sdk.Pipeline | |
| import org.apache.beam.sdk.coders.DefaultCoder | |
| import org.apache.beam.sdk.options.PipelineOptions | |
| import org.apache.beam.sdk.options.PipelineOptionsFactory | |
| import org.apache.beam.sdk.schemas.JavaBeanSchema | |
| import org.apache.beam.sdk.schemas.SchemaCoder | |
| import org.apache.beam.sdk.schemas.annotations.DefaultSchema | |
| import org.apache.beam.sdk.schemas.annotations.SchemaCreate | |
| import org.apache.beam.sdk.transforms.Create | |
| import org.apache.beam.sdk.transforms.Distinct | |
| import org.apache.beam.sdk.transforms.DoFn | |
| import org.apache.beam.sdk.transforms.ParDo | |
| import org.joda.time.DateTime | |
| import javax.annotation.Nullable | |
| @DefaultCoder(SchemaCoder::class) | |
| @DefaultSchema(JavaBeanSchema::class) | |
| data class UserData @SchemaCreate constructor( | |
| @get:Nullable | |
| @setparam:Nullable | |
| var dateTime: DateTime? | |
| ) | |
| class NoOpDoFn<InputT, OutputT> : DoFn<InputT, OutputT>() { | |
| @ProcessElement | |
| fun processElement(c: ProcessContext) { | |
| } | |
| } | |
| fun main(args: Array<String>) { | |
| val options = PipelineOptionsFactory.fromArgs(*args).withValidation().`as`(PipelineOptions::class.java) | |
| val p = Pipeline.create(options) | |
| val input = p.apply(Create.of( | |
| UserData(null) | |
| )) | |
| input | |
| .apply(Distinct.create()) | |
| .apply(ParDo.of(NoOpDoFn<UserData, UserData>())) | |
| } |
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