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https://issues.apache.org/jira/browse/TIKA-3551?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17445155#comment-17445155
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ASF GitHub Bot commented on TIKA-3551:
--------------------------------------
sebastian-nagel commented on pull request #452:
URL: https://github.com/apache/tika/pull/452#issuecomment-971560076
yes, it duplicates the fix in 3206388 - in case it's of interest: this PR
includes a unit test. If not, I'll close the PR soon.
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> TikaConfig: unspecified attribute of "xml-reader-utils" breaks configuration
> file parser
> ----------------------------------------------------------------------------------------
>
> Key: TIKA-3551
> URL: https://issues.apache.org/jira/browse/TIKA-3551
> Project: Tika
> Issue Type: Bug
> Components: config
> Affects Versions: 1.27, 2.1.0
> Reporter: Sebastian Nagel
> Priority: Major
> Fix For: 2.1.1
>
>
> The Tika configuration file parser exits with an exception when the
> XMLReaderUtils are configured in tika-config.xml without specifying all
> possible attributes, eg. without the attribute maxEntityExpansions (to use
> the default value):
> {noformat}
> <xml-reader-utils poolSize="20" />
> {noformat}
> There's a test whether the attribute value is null - however,
> [getAttribute()|https://docs.oracle.com/javase/8/docs/api/org/w3c/dom/Element.html#getAttribute-java.lang.String-]
> returns the empty string if the attribute is not present. The empty string
> then causes a NumberFormatException:
> {noformat}
> 2021-09-14 09:57:12,357 ERROR o.a.n.p.t.TikaParser [main] Problem loading
> custom Tika configuration from tika-config.xml
> java.lang.NumberFormatException: For input string: ""
> at
> java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
> ~[?:?]
> at java.lang.Integer.parseInt(Integer.java:662) ~[?:?]
> at java.lang.Integer.parseInt(Integer.java:770) ~[?:?]
> at
> org.apache.tika.config.TikaConfig.updateXMLReaderUtils(TikaConfig.java:303)
> ~[tika-core-1.25.jar:1.25]
> at org.apache.tika.config.TikaConfig.<init>(TikaConfig.java:192)
> ~[tika-core-1.25.jar:1.25]
> at org.apache.tika.config.TikaConfig.<init>(TikaConfig.java:182)
> ~[tika-core-1.25.jar:1.25]
> at org.apache.tika.config.TikaConfig.<init>(TikaConfig.java:157)
> ~[tika-core-1.25.jar:1.25]
> at
> org.apache.nutch.parse.tika.TikaParser.setConf(TikaParser.java:276)
> [parse-tika.jar:?]
> {noformat}
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