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From "ASF GitHub Bot (JIRA)" <>
Subject [jira] [Commented] (NUTCH-2473) Elasticsearch REST Indexer broken due to wrong depenency
Date Thu, 07 Dec 2017 12:24:00 GMT


ASF GitHub Bot commented on NUTCH-2473:

dwirz commented on issue #253: fix for NUTCH-2473 Remove broken slf4j dependecy from indexer-elastic-rest
   Hey @sebastian-nagel, thx for your response. my colleague @mfeltscher opened a corresponding
issue in your jira. 

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> Elasticsearch REST Indexer broken due to wrong depenency
> --------------------------------------------------------
>                 Key: NUTCH-2473
>                 URL:
>             Project: Nutch
>          Issue Type: Bug
>    Affects Versions: 1.14
>            Reporter: Moreno Feltscher
>            Assignee: Sebastian Nagel
> 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(
>     at org.slf4j.LoggerFactory.getLogger(
>     at org.slf4j.LoggerFactory.getLogger(
>     at org.apache.nutch.indexwriter.elasticrest.ElasticRestIndexWriter.<clinit>(
>     at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
>     at sun.reflect.NativeConstructorAccessorImpl.newInstance(
>     at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(
>     at java.lang.reflect.Constructor.newInstance(
>     at java.lang.Class.newInstance(
>     at org.apache.nutch.plugin.Extension.getExtensionInstance(
>     at org.apache.nutch.indexer.IndexWriters.<init>(
>     at org.apache.nutch.indexer.IndexingJob.index(
>     at
>     at
>     at org.apache.nutch.indexer.IndexingJob.main(
> {code}
> [e66d44d|]
removed the runtime dependency on {{slf4j-api-1.7.21.jar}} everywhere but in {{indexer-elastic-rest}}.
> Possible fix:

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