ahmedabu98 commented on issue #37524:
URL: https://github.com/apache/beam/issues/37524#issuecomment-4253411924
Hey @barunkumaracharya, this just came back up in my notifications. Sorry
for the late reply.
If you take a look at the error:
```
Exception in thread "main" java.lang.RuntimeException:
Cannot convert between types that don't have equivalent schemas.
input schema: Fields:
Field{name=time, description=,
type=LOGICAL_TYPE<beam:logical_type:datetime:v1>, options={{}}}
Field{name=name, description=, type=STRING, options={{}}}
output schema: Fields:
Field{name=time, description=, type=DATETIME, options={{}}}
Field{name=name, description=, type=STRING, options={{}}}
```
The table is returning "name" as a [logical type
DateTime](https://github.com/apache/beam/blob/master/sdks/java/core/src/main/java/org/apache/beam/sdk/schemas/logicaltypes/DateTime.java)
field (maps to a Java LocalDateTime), but your Pojo is defined with a Joda
Instant, which maps to a primitive
[Schema.FieldType.DATETIME](https://github.com/apache/beam/blob/4ee32cddb4c10dcf738558e4ffcafc50255a1bd0/sdks/java/core/src/main/java/org/apache/beam/sdk/schemas/Schema.java#L797-L798)
(not a logical type).
Try re-defining your Pojo to use a Java LocalDateTime and see if it works?
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