Sebastian Nagel created TIKA-3551:
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Summary: 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: 2.1.0, 1.27
Reporter: Sebastian Nagel
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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