chenJz1012 commented on issue #4884:
URL: https://github.com/apache/iceberg/issues/4884#issuecomment-1139577412
first error
```
java.lang.NoClassDefFoundError:
org/apache/hadoop/mapreduce/lib/input/FileInputFormat
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:756)
at
java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:468)
at java.net.URLClassLoader.access$100(URLClassLoader.java:74)
at java.net.URLClassLoader$1.run(URLClassLoader.java:369)
at java.net.URLClassLoader$1.run(URLClassLoader.java:363)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:362)
at
org.apache.flink.util.ChildFirstClassLoader.loadClassWithoutExceptionHandling(ChildFirstClassLoader.java:71)
at
org.apache.flink.util.FlinkUserCodeClassLoader.loadClass(FlinkUserCodeClassLoader.java:48)
at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
at
org.apache.iceberg.shaded.org.apache.parquet.HadoopReadOptions$Builder.<init>(HadoopReadOptions.java:112)
at
org.apache.iceberg.shaded.org.apache.parquet.HadoopReadOptions$Builder.<init>(HadoopReadOptions.java:97)
at
org.apache.iceberg.shaded.org.apache.parquet.HadoopReadOptions.builder(HadoopReadOptions.java:85)
at
org.apache.iceberg.parquet.Parquet$ReadBuilder.build(Parquet.java:851)
at
org.apache.iceberg.flink.source.RowDataFileScanTaskReader.newParquetIterable(RowDataFileScanTaskReader.java:146)
at
org.apache.iceberg.flink.source.RowDataFileScanTaskReader.newIterable(RowDataFileScanTaskReader.java:97)
at
org.apache.iceberg.flink.source.RowDataFileScanTaskReader.open(RowDataFileScanTaskReader.java:76)
at
org.apache.iceberg.flink.source.DataIterator.openTaskIterator(DataIterator.java:136)
at
org.apache.iceberg.flink.source.DataIterator.updateCurrentIterator(DataIterator.java:126)
at
org.apache.iceberg.flink.source.DataIterator.hasNext(DataIterator.java:103)
at
org.apache.iceberg.flink.source.FlinkInputFormat.reachedEnd(FlinkInputFormat.java:111)
at
org.apache.flink.streaming.api.functions.source.InputFormatSourceFunction.run(InputFormatSourceFunction.java:89)
at
org.apache.flink.streaming.api.operators.StreamSource.run(StreamSource.java:110)
at
org.apache.flink.streaming.api.operators.StreamSource.run(StreamSource.java:67)
at
org.apache.flink.streaming.runtime.tasks.SourceStreamTask$LegacySourceFunctionThread.run(SourceStreamTask.java:323)
Caused by: java.lang.ClassNotFoundException:
org.apache.hadoop.mapreduce.lib.input.FileInputFormat
at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
at
org.apache.flink.util.FlinkUserCodeClassLoader.loadClassWithoutExceptionHandling(FlinkUserCodeClassLoader.java:64)
at
org.apache.flink.util.ChildFirstClassLoader.loadClassWithoutExceptionHandling(ChildFirstClassLoader.java:65)
at
org.apache.flink.util.FlinkUserCodeClassLoader.loadClass(FlinkUserCodeClassLoader.java:48)
at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
... 27 more
```
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