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https://issues.apache.org/jira/browse/IMPALA-7167?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16510383#comment-16510383
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Tim Armstrong commented on IMPALA-7167:
---------------------------------------
I noticed this was wonky too while working on IMPALA-6941. The patch solved
this by accepting them at the impalad and then failing during query execution
http://gerrit.cloudera.org:8080/10165. The previous behaviour was very weird
because it actually allowed unrecognised suffixes (like .foobar) by
interpreting them as uncompressed text.
> Catalogd should reject files with unsupported formats
> -----------------------------------------------------
>
> Key: IMPALA-7167
> URL: https://issues.apache.org/jira/browse/IMPALA-7167
> Project: IMPALA
> Issue Type: Bug
> Affects Versions: Impala 2.13.0, Impala 3.1.0
> Reporter: Tianyi Wang
> Priority: Minor
>
> Currently when a file format is unsupported, impalad will log an error:
> {noformat}
> E0611 13:42:47.428393 22076 ImpaladCatalog.java:201] Error adding catalog
> object: Expected compressed text file with {.lzo,.gzip,.snappy,.bz2} suffix:
> 000000_0.deflate
> Java exception follows:
> java.lang.RuntimeException: Expected compressed text file with
> {.lzo,.gzip,.snappy,.bz2} suffix: 000000_0.deflate
> at
> org.apache.impala.catalog.HdfsPartition.<init>(HdfsPartition.java:772)
> at
> org.apache.impala.catalog.HdfsPartition.fromThrift(HdfsPartition.java:884)
> at
> org.apache.impala.catalog.HdfsTable.loadFromThrift(HdfsTable.java:1678)
> at org.apache.impala.catalog.Table.fromThrift(Table.java:311)
> at
> org.apache.impala.catalog.ImpaladCatalog.addTable(ImpaladCatalog.java:403)
> at
> org.apache.impala.catalog.ImpaladCatalog.addCatalogObject(ImpaladCatalog.java:292)
> at
> org.apache.impala.catalog.ImpaladCatalog.updateCatalog(ImpaladCatalog.java:199)
> at
> org.apache.impala.service.Frontend.updateCatalogCache(Frontend.java:228)
> at
> org.apache.impala.service.JniFrontend.updateCatalogCache(JniFrontend.java:174)
> {noformat}
> Catalogd should filter out unsupported files instead of letting every impalad
> log the error.
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