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https://issues.apache.org/jira/browse/NUTCH-2473?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16289942#comment-16289942
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ASF GitHub Bot commented on NUTCH-2473:
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lewismc commented on issue #253: fix for NUTCH-2473 Remove broken slf4j
dependecy from indexer-elastic-rest
URL: https://github.com/apache/nutch/pull/253#issuecomment-351531244
Apologies @mfeltscher I missed the critical part of the patch. Just ran
locally and resolved issue. Thank you and sorry for my oversight.
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> Elasticsearch REST Indexer broken due to wrong depenency
> --------------------------------------------------------
>
> Key: NUTCH-2473
> URL: https://issues.apache.org/jira/browse/NUTCH-2473
> Project: Nutch
> Issue Type: Bug
> Affects Versions: 1.14
> Reporter: Moreno Feltscher
> Assignee: Sebastian Nagel
> Fix For: 1.14
>
>
> When trying to index into Elasticsearch using {{indexer-elastic-rest}} the
> following error is being thrown:
> {code}
> Exception in thread "main" 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:418)
> at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:357)
> at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:383)
> at
> org.apache.nutch.indexwriter.elasticrest.ElasticRestIndexWriter.<clinit>(ElasticRestIndexWriter.java:71)
> 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.indexer.IndexWriters.<init>(IndexWriters.java:57)
> at org.apache.nutch.indexer.IndexingJob.index(IndexingJob.java:123)
> at org.apache.nutch.indexer.IndexingJob.run(IndexingJob.java:230)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> at org.apache.nutch.indexer.IndexingJob.main(IndexingJob.java:239)
> {code}
> [e66d44d|https://github.com/apache/nutch/commit/e66d44d9c290c550e78edb425a43e010b861172c#diff-aefa48b9ce916d2e33dc27b153c44977]
> removed the runtime dependency on {{slf4j-api-1.7.21.jar}} everywhere but in
> {{indexer-elastic-rest}}.
> Possible fix: https://github.com/apache/nutch/pull/253
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