Daren Wong created ZEPPELIN-5887:
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Summary: Classloader issue when reading Parquet files.
Key: ZEPPELIN-5887
URL: https://issues.apache.org/jira/browse/ZEPPELIN-5887
Project: Zeppelin
Issue Type: Bug
Components: flink
Affects Versions: 0.10.0
Reporter: Daren Wong
I am trying to read a Parquet file into a table in Zeppelin but it fails with
`java.lang.ClassNotFoundException: org.apache.hadoop.conf.Configuration`
Docker setup/Steps to reproduce:
```
docker run -u $(id -u) -p 8080:8080 -p 8081:8081 --rm -v
/Users/xxx/Downloads/flink-1.13.6:/opt/flink -v
/Users/xxx/Downloads/file.parquet:/opt/flink/data.parquet -e
FLINK_HOME=/opt/flink --name zeppelin apache/zeppelin:0.10.0
```
flink-sql-parquet_2.12-1.13.6.jar is added to
`/Users/xxx/Downloads/flink-1.13.6`.
I attempted to include the missing dependency by adding
`flink-s3-fs-hadoop-1.13.6.jar` to `/Users/xxx/Downloads/flink-1.13.6` which
then uncovers more missing dependencies `java.lang.ClassNotFoundException:
org.apache.hadoop.mapreduce.lib.input.FileInputFormat`
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