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https://issues.apache.org/jira/browse/HBASE-1627?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12729766#action_12729766
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Doğacan Güney commented on HBASE-1627:
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Sorry for being thick but I still don't understand. AFAICS we only retry once.
So if the IOE that we capture is fatal then when we try again we will get the
fatal exception again and the job will fail. So IIRC we ONLY try once.
> TableInputFormatBase#nextKeyValue catches the wrong exception
> -------------------------------------------------------------
>
> Key: HBASE-1627
> URL: https://issues.apache.org/jira/browse/HBASE-1627
> Project: Hadoop HBase
> Issue Type: Bug
> Affects Versions: 0.20.0
> Reporter: Doğacan Güney
> Priority: Minor
> Attachments: tableinput.patch
>
>
> TableInputFormatBase#nextKeyValue only catches UnknownScannerException from
> Scanner.next. However, scanner may throw other exceptions:
> {code}
> /* from HTable.ClientScanner#next */
> try {
> values = getConnection().getRegionServerWithRetries(callable);
> } catch (IOException e) {
> if (e instanceof UnknownScannerException &&
> lastNext + scannerTimeout < System.currentTimeMillis()) {
> ScannerTimeoutException ex = new ScannerTimeoutException();
> ex.initCause(e);
> throw ex;
> }
> throw e;
> }
> {code}
> Is there any reason why TIFB does not catch ScannerTimeoutException?
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