govind created NUTCH-2487:
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Summary: Fetcher thread stopped due to constraint violation
Key: NUTCH-2487
URL: https://issues.apache.org/jira/browse/NUTCH-2487
Project: Nutch
Issue Type: Bug
Components: fetcher
Affects Versions: 1.14
Environment: ubuntu 14.04 64 bit
java details: openjdk 1.8
Reporter: govind
Priority: Blocker
FetcherThread 42 fetch of https://nutch.apache.org/ failed with:
java.lang.LinkageError: loader constraint violation: when resolving method
"org.slf4j.impl.StaticLoggerBinder.getLoggerFactory()Lorg/slf4j/ILoggerFactory;"
the class loader (instance of org/apache/nutch/plugin/PluginClassLoader) of
the current class, org/slf4j/LoggerFactory, and the class loader (instance of
sun/misc/Launcher$AppClassLoader) for the method's defining class,
org/slf4j/impl/StaticLoggerBinder, have different Class objects for the type
org/slf4j/ILoggerFactory used in the signature
at org.slf4j.LoggerFactory.getILoggerFactory(LoggerFactory.java:299)
at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:269)
at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:281)
at
ir.co.bayan.simorq.zal.extractor.nutch.ExtractorParser.<clinit>(ExtractorParser.java:29)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at java.lang.Class.newInstance(Class.java:442)
at
org.apache.nutch.plugin.Extension.getExtensionInstance(Extension.java:161)
at
org.apache.nutch.parse.ParserFactory.getParsers(ParserFactory.java:138)
at org.apache.nutch.parse.ParseUtil.parse(ParseUtil.java:80)
at org.apache.nutch.fetcher.FetcherThread.output(FetcherThread.java:631)
at org.apache.nutch.fetcher.FetcherThread.run(FetcherThread.java:375)
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