Lars Volker created IMPALA-7779:
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Summary: Parquet Scanner can write binary data into profile
Key: IMPALA-7779
URL: https://issues.apache.org/jira/browse/IMPALA-7779
Project: IMPALA
Issue Type: Bug
Components: Backend
Affects Versions: Impala 3.1.0
Reporter: Lars Volker
In
[hdfs-parquet-scanner.cc:1224|https://github.com/apache/impala/blob/master/be/src/exec/hdfs-parquet-scanner.cc#L1224]
we log an invalid file version string. Whatever 4 bytes that that pointer
points to will end up in the profile. These can be non-ascii characters, thus
potentially breaking tools that parse the profiles and expect their content to
be plain text. We should either remove the bytes from the message, or escape
them as hex.
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