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https://issues.apache.org/jira/browse/FLINK-28715?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jingsong Lee closed FLINK-28715.
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Resolution: Fixed
master: 487b05e6d9162d65c1d83d42286d735061864dc1
release-0.2: 82d35ea7cff686967d0c7d63af2c7c24ee6dd16d
> Throw better exception when file not found in reading
> -----------------------------------------------------
>
> Key: FLINK-28715
> URL: https://issues.apache.org/jira/browse/FLINK-28715
> Project: Flink
> Issue Type: Improvement
> Components: Table Store
> Reporter: Jingsong Lee
> Assignee: Jingsong Lee
> Priority: Blocker
> Labels: pull-request-available
> Fix For: table-store-0.2.0
>
>
> When reading a file, if it is found that the file does not exist, it directly
> throws a file not found exception, which is often difficult for users to
> understand.
> We can make it more clear in the exception message, e.g.
> The file cannot be found, this may be because the read is too slow and the
> previous snapshot expired, you can configure a larger snapshot.time-retained
> or speed up your read.
> Caused by: java.io.FileNotFoundException: File does not exist:
> at
> org.apache.flink.table.store.file.utils.FileUtils.getFileSize(FileUtils.java:94)
> ~[flink-table-store-dist-0.2.jar:0.2-SNAPSHOT]
> at
> org.apache.flink.table.store.file.data.DataFileReader$DataFileRecordReader.<init>(DataFileReader.java:86)
> ~[flink-table-store-dist-0.2.jar:0.2-SNAPSHOT]
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