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https://issues.apache.org/jira/browse/NUTCH-502?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Doğacan Güney resolved NUTCH-502.
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Resolution: Fixed
Committed in rev. 548666.
> Bug in SegmentReader causes infinite loop
> -----------------------------------------
>
> Key: NUTCH-502
> URL: https://issues.apache.org/jira/browse/NUTCH-502
> Project: Nutch
> Issue Type: Bug
> Reporter: Doğacan Güney
> Assignee: Doğacan Güney
> Priority: Minor
> Fix For: 1.0.0
>
> Attachments: segment_reader_hang.patch
>
>
> A small bug in SegmentReader.get() may lead to an infinite loop.
> ...
> int cnt = 0;
> do {
> try {
> Thread.sleep(5000);
> } catch (Exception e) {};
> it = threads.iterator();
> while (it.hasNext()) {
> if (((Thread)it.next()).isAlive()) cnt++;
> }
> if ((cnt > 0) && (LOG.isDebugEnabled())) {
> LOG.debug("(" + cnt + " to retrieve)");
> ....
> }
> } while (cnt > 0);
> If cnt ever becomes non-zero, SegmentReader gets stuck in that loop.
> This bug is discovered by Ilya Vishnevsky.
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