zkytech commented on PR #4443:
URL: https://github.com/apache/zeppelin/pull/4443#issuecomment-1214710538
I have found a new bug in this file.
message data like this will fail with error
`com.google.gson.JsonSyntaxException: java.lang.IllegalStateException: Expected
a string but was BEGIN_OBJECT at line 1 column 9 path $.`
```
df: org.apache.spark.sql.DataFrame = [_id: struct<oid: string>, pv: bigint
... 2 more fields]
_id pv stats_date uv
{"_id":{"oid":"6295fdbd458288396d008163"},"pv":0,"stats_date":"20220530","uv":0}
```
which is caused by code in [this
place](https://github.com/apache/zeppelin/blob/d2cdb77f6ae6a13ff9c770b82d7125270415a77c/livy/src/main/java/org/apache/zeppelin/livy/LivySparkSQLInterpreter.java?_pjax=%23js-repo-pjax-container%2C%20div%5Bitemtype%3D%22http%3A%2F%2Fschema.org%2FSoftwareSourceCode%22%5D%20main%2C%20%5Bdata-pjax-container%5D#L189)
I will fix this later.
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