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https://issues.apache.org/jira/browse/TIKA-866?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jukka Zitting updated TIKA-866:
-------------------------------
Summary: Invalid configuration file causes OutOfMemoryException (was:
Incomplete configuration file causes OutOfMemoryException)
The problem here aren't the missing mimetypes and detector entries but rather
the fact that you're specifying the composite DefaultParser class in a <parser>
element. When a DefaultParser instance is created, it tries to load the
*default* configuration, which in this case leads to the infinite loop. The
<parser> elements are designed only to list the actual format-specific Parser
implementations, that composite parsers like DefaultParser or AutoDetectParser
can then use as lower-level components.
> Invalid configuration file causes OutOfMemoryException
> ------------------------------------------------------
>
> Key: TIKA-866
> URL: https://issues.apache.org/jira/browse/TIKA-866
> Project: Tika
> Issue Type: Bug
> Components: config
> Affects Versions: 1.0
> Reporter: Stephan Mühlstrasser
> Priority: Minor
> Attachments: ConfigFile.java
>
>
> I tried to override a built-in parser according to the method described in
> issue TIKA-527. During testing this approach I used an incomplete
> configuration file (as far as I learned from a discussion on the mailing list
> also mimetypes and a detector should be specified):
> $ cat tika-config.xml
> <properties>
> <parsers>
> <parser class="org.apache.tika.parser.DefaultParser"/>
> </parsers>
> </properties>
> Using this configuration file causes an OutOfMemoryException:
> $ java -Dtika.config=tika-config.xml -jar tika-app-1.0.jar --list-parsers
> Exception in thread "main" java.lang.OutOfMemoryError: GC overhead limit
> exceeded
> at java.util.Arrays.copyOfRange(Arrays.java:3209)
> at java.lang.String.<init>(String.java:216)
> at java.lang.StringBuilder.toString(StringBuilder.java:430)
> at org.apache.tika.mime.MediaType.toString(MediaType.java:237)
> at org.apache.tika.detect.MagicDetector.<init>(MagicDetector.java:142)
> at
> org.apache.tika.mime.MimeTypesReader.readMatch(MimeTypesReader.java:254)
> at
> org.apache.tika.mime.MimeTypesReader.readMatches(MimeTypesReader.java:202)
> at
> org.apache.tika.mime.MimeTypesReader.readMagic(MimeTypesReader.java:186)
> at
> org.apache.tika.mime.MimeTypesReader.readMimeType(MimeTypesReader.java:152)
> at org.apache.tika.mime.MimeTypesReader.read(MimeTypesReader.java:124)
> at org.apache.tika.mime.MimeTypesReader.read(MimeTypesReader.java:107)
> at
> org.apache.tika.mime.MimeTypesFactory.create(MimeTypesFactory.java:63)
> at
> org.apache.tika.mime.MimeTypesFactory.create(MimeTypesFactory.java:91)
> at
> org.apache.tika.mime.MimeTypesFactory.create(MimeTypesFactory.java:147)
> at
> org.apache.tika.mime.MimeTypes.getDefaultMimeTypes(MimeTypes.java:455)
> at
> org.apache.tika.config.TikaConfig.typesFromDomElement(TikaConfig.java:273)
> at org.apache.tika.config.TikaConfig.<init>(TikaConfig.java:161)
> at
> org.apache.tika.config.TikaConfig.getDefaultConfig(TikaConfig.java:237)
> at
> org.apache.tika.mime.MediaTypeRegistry.getDefaultRegistry(MediaTypeRegistry.java:42)
> at org.apache.tika.parser.DefaultParser.<init>(DefaultParser.java:52)
> at sun.reflect.GeneratedConstructorAccessor4.newInstance(Unknown
> Source)
> at
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
> at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
> at java.lang.Class.newInstance0(Class.java:355)
> at java.lang.Class.newInstance(Class.java:308)
> at
> org.apache.tika.config.TikaConfig.parserFromDomElement(TikaConfig.java:288)
> at org.apache.tika.config.TikaConfig.<init>(TikaConfig.java:162)
> at
> org.apache.tika.config.TikaConfig.getDefaultConfig(TikaConfig.java:237)
> at
> org.apache.tika.mime.MediaTypeRegistry.getDefaultRegistry(MediaTypeRegistry.java:42)
> at org.apache.tika.parser.DefaultParser.<init>(DefaultParser.java:52)
> at sun.reflect.GeneratedConstructorAccessor4.newInstance(Unknown
> Source)
> at
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
>
> Expected behavior: If the configuration file is not valid, and appropriate
> exception should be produced.
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