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From "Karl Wright (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CONNECTORS-875) LiveLink connector: LAPI exceptions not always caught
Date Wed, 05 Feb 2014 12:50:09 GMT

    [ https://issues.apache.org/jira/browse/CONNECTORS-875?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13892061#comment-13892061
] 

Karl Wright commented on CONNECTORS-875:
----------------------------------------

The refactor will not help you; it contains no functional changes.

This is not a MCF problem.  Your LiveLink server is dead.


> LiveLink connector: LAPI exceptions not always caught
> -----------------------------------------------------
>
>                 Key: CONNECTORS-875
>                 URL: https://issues.apache.org/jira/browse/CONNECTORS-875
>             Project: ManifoldCF
>          Issue Type: Bug
>          Components: LiveLink connector
>    Affects Versions: ManifoldCF 1.4.1
>            Reporter: Karl Wright
>            Assignee: Karl Wright
>             Fix For: ManifoldCF 1.6
>
>         Attachments: CONNECTORS-875.patch, refactor.patch
>
>
> LAPI has the ability to communicate via HTTP with the LiveLink server.  Unfortunately,
if something goes wrong on the server side, LAPI does not behave well and throws all sorts
of runtime exceptions.  For example:
> {code}
> 2014-01-30 17:44:17,773 [Worker thread '43'] FATAL org.apache.manifoldcf.crawlerthreads-
Error tossed: For input string: "<h2>500"
> java.lang.NumberFormatException: For input string: "<h2>500"
>        at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
>        at java.lang.Integer.parseInt(Integer.java:492)
>        at java.lang.Integer.<init>(Integer.java:677)
>        at com.opentext.api.LLConnect.readResponseHeaders(Unknown Source)
>        at com.opentext.api.LLConnect.executeHTTP(Unknown Source)
>        at com.opentext.api.LLConnect.execute(Unknown Source)
>        at com.opentext.api.LAPI_DOCUMENTS.GetObjectInfo(Unknown Source)
>        at org.apache.manifoldcf.crawler.connectors.livelink.LivelinkConnector$GetObjectInfoThread.run(LivelinkConnector.java:6370)
> {code}
> Other examples include ArrayIndexOutOfBoundsException, etc.
> It would be good to catch these and deal with them in a saner way than killing off and
restarting the worker thread.



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