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https://issues.apache.org/jira/browse/NUTCH-1253?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Lewis John McGibbney updated NUTCH-1253:
----------------------------------------
Fix Version/s: 2.2
1.7
> Incompatible neko and xerces versions
> -------------------------------------
>
> Key: NUTCH-1253
> URL: https://issues.apache.org/jira/browse/NUTCH-1253
> Project: Nutch
> Issue Type: Bug
> Affects Versions: 1.4
> Environment: Ubuntu 10.04
> Reporter: Dennis Spathis
> Fix For: 1.7, 2.2
>
> Attachments: NUTCH-1253-nutchgora.patch, NUTCH-1253.patch
>
>
> The Nutch 1.4 distribution includes
> - nekohtml-0.9.5.jar (under .../runtime/local/plugins/lib-
> nekohtml)
> - xercesImpl-2.9.1.jar (under .../runtime/local/lib)
> These two JARs appear to be incompatible versions. When the HtmlParser
> (configured to use neko) is invoked during a local-mode crawl, the parse
> fails due to an AbstractMethodError. (Note: To see the AbstractMethodError,
> rebuild the HtmlParser plugin and add a
> catch(Throwable) clause in the getParse method to log the stacktrace.)
> I found that substituting a later, compatible version of nekohtml (1.9.11)
> fixes the problem.
> Curiously, and in support of the above, the nekohtml plugin.xml file in
> Nutch 1.4 contains the following:
> <plugin
> id="lib-nekohtml"
> name="CyberNeko HTML Parser"
> version="1.9.11"
> provider-name="org.cyberneko">
> <runtime>
> <library name="nekohtml-0.9.5.jar">
> <export name="*"/>
> </library>
> </runtime>
> </plugin>
> Note the conflicting version numbers (version tag is "1.9.11" but the
> specified library is "nekohtml-0.9.5.jar").
> Was the 0.9.5 version included by mistake? Was the intention rather to
> include 1.9.11?
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