Christian Weber created TIKA-2088: ------------------------------------- Summary: Library conflict with Parser-Tika Plugin and Lib Folder Key: TIKA-2088 URL: https://issues.apache.org/jira/browse/TIKA-2088 Project: Tika Issue Type: Bug Components: parser Affects Versions: 1.11 Reporter: Christian Weber Priority: Minor
Hello Apache Nutch Team, everytime Nutch wants to parse a *.class file this Exception pops up: {quote} java.util.concurrent.ExecutionException: java.lang.IncompatibleClassChangeError: class org.apache.tika.parser.asm.XHTMLClassVisitor has interface org.objectweb.asm.ClassVisitor as super class at java.util.concurrent.FutureTask.report(FutureTask.java:122) at java.util.concurrent.FutureTask.get(FutureTask.java:206) at org.apache.nutch.parse.ParseUtil.runParser(ParseUtil.java:171) at org.apache.nutch.parse.ParseUtil.parse(ParseUtil.java:95) at org.apache.nutch.parse.ParseSegment.map(ParseSegment.java:103) at org.apache.nutch.parse.ParseSegment.map(ParseSegment.java:45) at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:54) at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:430) at org.apache.hadoop.mapred.MapTask.run(MapTask.java:342) at org.apache.hadoop.mapred.LocalJobRunner$Job$MapTaskRunnable.run(LocalJobRunner.java:243) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) Caused by: java.lang.IncompatibleClassChangeError: class org.apache.tika.parser.asm.XHTMLClassVisitor has interface org.objectweb.asm.ClassVisitor as super class at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:763) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) at java.net.URLClassLoader.defineClass(URLClassLoader.java:467) at java.net.URLClassLoader.access$100(URLClassLoader.java:73) at java.net.URLClassLoader$1.run(URLClassLoader.java:368) at java.net.URLClassLoader$1.run(URLClassLoader.java:362) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:361) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) at org.apache.tika.parser.asm.ClassParser.parse(ClassParser.java:51) at org.apache.nutch.parse.tika.TikaParser.getParse(TikaParser.java:132) at de.qaware.qasearch.nutch.parse.SafetyTikaParser.getParse(SafetyTikaParser.java:73) at org.apache.nutch.parse.ParseCallable.call(ParseCallable.java:35) at org.apache.nutch.parse.ParseCallable.call(ParseCallable.java:24) ... 4 more {quote} What I have found out is * ASM-Library is a library used inside TIKA Parser, and it has a breaking change with a certain version (3.x stated in TIKA-1240). * parse-tika has the correct Version inside it's Plugin Folder (tika-parser 1.11 uses asm 5.0.4, see http://mvnrepository.com/artifact/org.apache.tika/tika-parsers/1.11). * inside the nutch/lib folder is a asm jar with Version 3.3.1 which is incompatible I guess the Problem is that the JVM executing Nutch uses the asm library from inside the nutch/lib folder. (This Issue is related with NUTCH-2071. I hope it's okay that I opened a new Issue) -- This message was sent by Atlassian JIRA (v6.3.4#6332)