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Hudson commented on TIKA-1507: ------------------------------ UNSTABLE: Integrated in tika-trunk-jdk1.7 #414 (See [https://builds.apache.org/job/tika-trunk-jdk1.7/414/]) Temporary workaround for the TIKA-1507 ForkParser / OGI issue (nick: http://svn.apache.org/viewvc/tika/trunk/?view=rev&rev=1650083) * /tika/trunk/tika-parsers/src/main/java/org/apache/tika/parser/ocr/TesseractOCRParser.java > Under OSGi, ForkParser failes to send core parser classes like ExternalParser > ----------------------------------------------------------------------------- > > Key: TIKA-1507 > URL: https://issues.apache.org/jira/browse/TIKA-1507 > Project: Tika > Issue Type: Bug > Components: packaging, parser > Affects Versions: 1.6, 1.7 > Reporter: Nick Burch > > Under OSGi, if you try to use ForkParser with the Tesseract OCR parser, it > will fail with: > java.lang.NoClassDefFoundError: org/apache/tika/parser/external/ExternalParser > at > org.apache.tika.parser.ocr.TesseractOCRParser.hasTesseract(TesseractOCRParser.java:117) > at > org.apache.tika.parser.ocr.TesseractOCRParser.getSupportedTypes(TesseractOCRParser.java:91) > at > org.apache.tika.parser.CompositeParser.getParsers(CompositeParser.java:81) > at > org.apache.tika.parser.DefaultParser.getParsers(DefaultParser.java:95) > at > org.apache.tika.parser.CompositeParser.getParser(CompositeParser.java:209) > at > org.apache.tika.parser.CompositeParser.parse(CompositeParser.java:244) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:622) > at org.apache.tika.fork.ForkServer.call(ForkServer.java:144) > at org.apache.tika.fork.ForkServer.processRequests(ForkServer.java:124) > at org.apache.tika.fork.ForkServer.main(ForkServer.java:69) > Caused by: java.lang.ClassNotFoundException: Unable to find class > org.apache.tika.parser.external.ExternalParser > at > org.apache.tika.fork.ClassLoaderProxy.findClass(ClassLoaderProxy.java:117) > at java.lang.ClassLoader.loadClass(ClassLoader.java:323) > at java.lang.ClassLoader.loadClass(ClassLoader.java:268) > ... 13 more > ExternalParser lives in the Tika Core jar, not the Tika Parsers one. This all > works fine outside of OSGi, so it looks like something about the OSGi > bundling is causing the fork parser to fail to send the parser-related > classes from Tika Core over to the forked JVM -- This message was sent by Atlassian JIRA (v6.3.4#6332)