sydneyhoran commented on PR #6726:
URL: https://github.com/apache/hudi/pull/6726#issuecomment-1468270289
Just a quick heads up - I ran the latest master MultiTableDeltaStreamer
without `hoodie.deltastreamer.transformer.class` config and I got a
NullPointerException due to the .split() in line:
```java
List<String> transformerClassNameOverride =
Arrays.asList(typedProperties.getString(Constants.TRANSFORMER_CLASS,
null).split(","));
```
because my `TRANSFORMER_CLASS` is null. I changed the function to the
following with success:
```java
private void populateTransformerProps(HoodieDeltaStreamer.Config cfg,
TypedProperties typedProperties) {
String transformerClass =
typedProperties.getString(Constants.TRANSFORMER_CLASS, null);
if (transformerClass != null && !transformerClass.trim().isEmpty()) {
List<String> transformerClassNameOverride =
Arrays.asList(transformerClass.split(","));
cfg.transformerClassNames = transformerClassNameOverride;
}
}
```
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