Apache Beam SQL Provider org.apache.beam.sdk.extensions.sql.impl.udf.BuiltinStringFunctions could

運行代碼

   PipelineOptions options = PipelineOptionsFactory.create();
        // 顯式指定PipelineRunner：DirectRunner（Local模式）
        options.setRunner(DirectRunner.class);

        Pipeline pipeline = Pipeline.create(options);

        String sql2="select cubic2(name) as num from PCOLLECTION";

        Schema beamSchema = Schema.builder().addStringField("name").build();

        String name="lisi";

        Row row = Row.withSchema(beamSchema).addValue(name).build();

        PCollection<Row> p1 = pipeline.apply(Create.of(row).withRowSchema(beamSchema));

        PCollection<Row> p2 =PCollectionTuple.of(new TupleTag<>("PCOLLECTION"), p1)
                .apply(
                        "testUdf2", SqlTransform.query(sql2).registerUdf("cubic2", new CubicIntegerFn()));

        pipeline.run();

    }
    public static class CubicIntegerFn implements SerializableFunction<String, String> {
        @Override
        public String apply(String input) {
            return input +"ccccc" ;
        }
    }

錯誤

Exception in thread "main" java.util.ServiceConfigurationError: org.apache.beam.sdk.extensions.sql.impl.udf.BeamBuiltinFunctionProvider: Provider org.apache.beam.sdk.extensions.sql.impl.udf.BuiltinStringFunctions could not be instantiated
 at java.util.ServiceLoader.fail(ServiceLoader.java:232)
 at java.util.ServiceLoader.access$100(ServiceLoader.java:185)
 at java.util.ServiceLoader$LazyIterator.nextService(ServiceLoader.java:384)
 at java.util.ServiceLoader$LazyIterator.next(ServiceLoader.java:404)
 at java.util.ServiceLoader$1.next(ServiceLoader.java:480)
 at org.apache.beam.sdk.extensions.sql.impl.BeamSqlEnv.loadBeamBuiltinFunctions(BeamSqlEnv.java:128)
 at org.apache.beam.sdk.extensions.sql.SqlTransform.expand(SqlTransform.java:94)
 at org.apache.beam.sdk.extensions.sql.SqlTransform.expand(SqlTransform.java:76)
 at org.apache.beam.sdk.Pipeline.applyInternal(Pipeline.java:537)
 at org.apache.beam.sdk.Pipeline.applyTransform(Pipeline.java:488)
 at org.apache.beam.sdk.values.PCollectionTuple.apply(PCollectionTuple.java:167)

 

解決：

POM添加

    <dependency>
            <groupId>commons-codec</groupId>
            <artifactId>commons-codec</artifactId>
            <version>1.13</version>
        </dependency>

效果：