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https://issues.apache.org/jira/browse/KNOX-2540?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17292880#comment-17292880
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Bing-ok commented on KNOX-2540:
-------------------------------
Of course, I'm willing to submit a PR.
> “NoSuchMethodErrors” due to multiple versions of
> org.apache.curator:curator-client
> ----------------------------------------------------------------------------------
>
> Key: KNOX-2540
> URL: https://issues.apache.org/jira/browse/KNOX-2540
> Project: Apache Knox
> Issue Type: Bug
> Affects Versions: 1.6.0
> Reporter: Bing-ok
> Priority: Major
>
> h2. Issue description:
> There are multiple versions of _*org.apache.curator:curator-client*_ in
> _*hadoop-examples*_. As shown in the following dependency tree, library
> _org.apache.curator:curator-client:2.13.0 **_ is transitively introduced by
> _*org.apache.hadoop:hadoop-common:3.2.1*_ , but has been managed to be
> version _*4.3.0*_.
> However, several methods defined in shadowed version
> _*org.apache.curator:curator-client:2.13.0*_ are referenced by client project
> via _*org.apache.hadoop:hadoop-common:3.2.1*_ but missing in the actually
> loaded version _*org.apache.curator:curator-client:4.3.0*_.
> For instance, the following missing method(defined in
> _*org.apache.curator:curator-client:2.13.0*_) are actually referenced by
> *_hadoop-examples_*, which will introduce a runtime error(i.e.,
> "NoSuchMethodError") into _*hadoop-examples*_.
> _*org.apache.curator.utils.ThreadUtils: void
> checkInterrupted(java.lang.Throwable)*_ is invoked by _*hadoop-examples*_ via
> the following path:
> {code:java}
> <org.apache.knox.examples.WordCount: void main(java.lang.String[])>
> knox/hadoop-examples/target/classes
> <org.apache.hadoop.util.GenericOptionsParser: void
> <init>(org.apache.hadoop.conf.Configuration,java.lang.String[])>
> Respository/org/apache/hadoop/hadoop-common/3.2.1/hadoop-common-3.2.1.jar
> <org.apache.hadoop.util.GenericOptionsParser: void
> <init>(org.apache.hadoop.conf.Configuration,org.apache.commons.cli.Options,java.lang.String[])>
> Respository/org/apache/hadoop/hadoop-common/3.2.1/hadoop-common-3.2.1.jar
> <org.apache.hadoop.util.GenericOptionsParser: boolean
> parseGeneralOptions(org.apache.commons.cli.Options,java.lang.String[])>
> Respository/org/apache/hadoop/hadoop-common/3.2.1/hadoop-common-3.2.1.jar
> <org.apache.hadoop.util.GenericOptionsParser: void
> processGeneralOptions(org.apache.commons.cli.CommandLine)>
> Respository/org/apache/hadoop/hadoop-common/3.2.1/hadoop-common-3.2.1.jar
> <org.apache.hadoop.security.Credentials:
> org.apache.hadoop.security.Credentials
> readTokenStorageFile(org.apache.hadoop.fs.Path,org.apache.hadoop.conf.Configuration)>
> Respository/org/apache/hadoop/hadoop-common/3.2.1/hadoop-common-3.2.1.jar
> <org.apache.hadoop.io.IOUtils: void
> cleanupWithLogger(org.slf4j.Logger,java.io.Closeable[])>
> Respository/org/apache/hadoop/hadoop-common/3.2.1/hadoop-common-3.2.1.jar
> <org.apache.curator.framework.recipes.nodes.PersistentNode: void close()>
> Respository/org/apache/curator/curator-recipes/4.3.0/curator-recipes-4.3.0.jar
> <org.apache.curator.utils.ThreadUtils: void
> checkInterrupted(java.lang.Throwable)>{code}
> h2. Suggested fixing solutions:
> 1. Upgrade dependency _*org.apache.hadoop:hadoop-common*_ from _*3.2.1*_ to
> _*3.2.2*_.Because the newer version _*org.apache.hadoop:hadoop-common:3.2.2*_
> does not invoke the above missing methods, such changing can solve the
> problem.
> This repair will introduce the following new dependencies:
> javax.activation:javax.activation-api:1.2.0
> 2. Change direct dependency _*org.apache.curator:curator-client*_ from
> _*4.3.0*_ to _*2.13.0*_.
> h2. Dependency tree----
> {code:java}
> [INFO] org.apache.knox:hadoop-examples:jar:1.6.0-SNAPSHOT
> [INFO] \- org.apache.hadoop:hadoop-common:jar:3.2.1:provided
> [INFO] +- org.apache.curator:curator-client:jar:4.3.0:provided (version
> managed from 2.13.0)
> [INFO] \- org.apache.curator:curator-recipes:jar:4.3.0:provided (version
> managed from 2.13.0)
> [INFO] \- org.apache.curator:curator-framework:jar:4.3.0:provided
> [INFO] \- (org.apache.curator:curator-client:jar:4.3.0:provided -
> version managed from 2.13.0; omitted for duplicate)
> {code}
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