Rahul Challapalli created DRILL-3829:
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Summary: Metadata Caching : Drill should ignore a corrupted cache
file
Key: DRILL-3829
URL: https://issues.apache.org/jira/browse/DRILL-3829
Project: Apache Drill
Issue Type: Bug
Components: Metadata
Reporter: Rahul Challapalli
Assignee: Mehant Baid
git.commit.id.abbrev=3c89b30
Drill should validate the cache file structure and ignore it if it detects any
corruption to its contents.
I placed an empty cache file in the directory and executed a count(*) query on
top of the directory. Below is what I got
{code}
select count(*) from dfs.`/drill/testdata/metadata_caching/lineitem`;
Error: SYSTEM ERROR: JsonMappingException: No content to map due to end-of-input
at [Source: com.mapr.fs.MapRFsDataInputStream@293240cd; line: 1, column: 1]
[Error Id: 88f77d37-aff3-4adc-bb0e-6c13b49e7776 on qa-node190.qa.lab:31010]
(state=,code=0)
{code}
At the very least we should inform that the cache file has been corrupted.
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