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Posted to dev@nutch.apache.org by "Doğacan Güney (JIRA)" <ji...@apache.org> on 2009/06/07 19:22:07 UTC
[jira] Commented: (NUTCH-709) JSParseFilter gets into an infinate
loop and ets all the stack
[ https://issues.apache.org/jira/browse/NUTCH-709?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12717057#action_12717057 ]
Doğacan Güney commented on NUTCH-709:
-------------------------------------
-1 for the patch. As Julien notes, the patch simply catches the error. I would suggest adding a depth counter instead. I don't think that there will be any half-sane HTML page out there with more than, say, 100 levels.
Alternatively, we may try using NodeWalker.
> JSParseFilter gets into an infinate loop and ets all the stack
> ---------------------------------------------------------------
>
> Key: NUTCH-709
> URL: https://issues.apache.org/jira/browse/NUTCH-709
> Project: Nutch
> Issue Type: Bug
> Components: fetcher
> Affects Versions: 1.0.0
> Environment: Hadoop 0.19.0 running nutch trunk
> Reporter: Tim Hawkins
> Attachments: JSParseFilter.error.patch
>
>
> When crawling pages with seperate fetch and parse, I see processes die becuase of stack overflow.
> Output is generaly.
> java.lang.StackOverflowError
> at org.apache.nutch.parse.js.JSParseFilter.walk(JSParseFilter.java:146)
> at org.apache.nutch.parse.js.JSParseFilter.walk(JSParseFilter.java:148)
> at org.apache.nutch.parse.js.JSParseFilter.walk(JSParseFilter.java:148)
> at org.apache.nutch.parse.js.JSParseFilter.walk(JSParseFilter.java:148)
> at org.apache.nutch.parse.js.JSParseFilter.walk(JSParseFilter.java:148)
> at org.apache.nutch.parse.js.JSParseFilter.walk(JSParseFilter.java:148)
> at org.apache.nutch.parse.js.JSParseFilter.walk(JSParseFilter.java:148)
> at org.apache.nutch.parse.js.JSParseFilter.walk(JSParseFilter.java:148)
> at org.apache.nutch.parse.js.JSParseFilter.walk(JSParseFilter.java:148)
> at org.apache.nutch.parse.js.JSParseFilter.walk(JSParseFilter.java:148)
> at org.apache.nutch.parse.js.JSParseFilter.walk(JSParseFilter.java:148)
> at org.apache.nutch.parse.js.JSParseFilter.walk(JSParseFilter.java:148)
> at org.apache.nutch.parse.js.JSParseFilter.walk(JSParseFilter.java:148)
> at org.apache.nutch.parse.js.JSParseFilter.walk(JSParseFilter.java:148)
> at org.apache.nutch.parse.js.JSParseFilter.walk(JSParseFilter.java:148)
> at org.apache.nutch.parse.js.JSParseFilter.walk(JSParseFilter.java:148)
> at org.apache.nutch.parse.js.JSParseFilter.walk(JSParseFilter.java:148)
> at org.apache.nutch.parse.js.JSParseFilter.walk(JSParseFilter.java:148)
> at org.apache.nutch.parse.js.JSParseFilter.walk(JSParseFilter.java:148)
> Inspection of the code shows that this is a recursive call to walk(.....)
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