chamikaramj opened a new issue, #33864:
URL: https://github.com/apache/beam/issues/33864
### What happened?
I'm trying out a Managed BQ read pipeline and seems like it's failing to
attach the config row preventing Dataflow upgrade.
```
WARNING: Could not attach the config row for transform BigQueryIO.TypedRead:
java.lang.ClassCastException: class [B cannot be cast to class java.lang.String
([B and java.lang.String are in module java.base of loader 'bootstrap')
```
Pipeline is given below.
```
String table =
String.format(
"%s.%s.%s",
options.as(GcpOptions.class).getProject(), BIG_QUERY_DATASET_ID,
options.getTable());
Pipeline pipeline = Pipeline.create(options);
Map<String, Object> readConfig =
ImmutableMap.of("query", String.format("SELECT * FROM `%s`", table));
// read and validate
PCollection<Row> outputRows =
pipeline
.apply(Managed.read(Managed.BIGQUERY).withConfig(readConfig))
.getSinglePCollection();
pipeline.run().waitUntilFinish();
```
Ahmed, any idea what's going on ?
### Issue Priority
Priority: 1 (data loss / total loss of function)
### Issue Components
- [ ] Component: Python SDK
- [x] Component: Java SDK
- [ ] Component: Go SDK
- [ ] Component: Typescript SDK
- [ ] Component: IO connector
- [ ] Component: Beam YAML
- [ ] Component: Beam examples
- [ ] Component: Beam playground
- [ ] Component: Beam katas
- [ ] Component: Website
- [ ] Component: Infrastructure
- [ ] Component: Spark Runner
- [ ] Component: Flink Runner
- [ ] Component: Samza Runner
- [ ] Component: Twister2 Runner
- [ ] Component: Hazelcast Jet Runner
- [ ] Component: Google Cloud Dataflow Runner
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