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https://issues.apache.org/jira/browse/IGNITE-7799?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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PandaMonkey updated IGNITE-7799:
--------------------------------
    Summary: Dependency Conflict : Conlicting JARs 
org.apache.httpcomponents:httpclient  (was: Dependency Conflict : Conlicting 
JARs)

> Dependency Conflict : Conlicting JARs org.apache.httpcomponents:httpclient
> --------------------------------------------------------------------------
>
>                 Key: IGNITE-7799
>                 URL: https://issues.apache.org/jira/browse/IGNITE-7799
>             Project: Ignite
>          Issue Type: Bug
>          Components: aws
>    Affects Versions: 2.5
>            Reporter: PandaMonkey
>            Priority: Major
>             Fix For: 3.0
>
>
> Hi, by analyzing ignite-master\modules\aws\pom.xml, I found that there are 
> two versions of *org.apache.httpcomponents:httpclient*. Their introduced path 
> is:
>  # 
> org.apache.ignite:ignite-aws:2.5.0-SNAPSHOT::null->com.amazonaws:aws-java-sdk-core:1.11.75::compile->org.apache.httpcomponents:httpclient:4.5.2::compile
>  # 
> org.apache.ignite:ignite-aws:2.5.0-SNAPSHOT::null->org.apache.httpcomponents:httpclient:4.5.1::compile
> Of them, httpclient:4.5.2 is the transitive dependency, and httpclient:4.5.1 
> is the direct dependency. By further analyzing the source code, we found they 
> have different features. As the JVM only load the classes present first on 
> the classpath and shadow the other duplicate ones with the same names. The 
> dependency conflict problem brings high risks of "*NotClassDefFoundError:*" 
> or "*NoSuchMethodError*" issues at runtime. Please notice this problem.
>  
> ===============projectPath->org.apache.ignite:ignite-aws:2.5.0-SNAPSHOT@D:\ws\snapshot\ignite-master\modules\aws\pom.xml
>  
> =======conflict:<org.apache.httpcomponents:httpclient:4.5.2::compile><org.apache.httpcomponents:httpclient:4.5.1::compile>
>  size:2
>  
> org.apache.ignite:ignite-aws:2.5.0-SNAPSHOT::null->com.amazonaws:aws-java-sdk-core:1.11.75::compile->org.apache.httpcomponents:httpclient:4.5.2::compile
>  
> org.apache.ignite:ignite-aws:2.5.0-SNAPSHOT::null->org.apache.httpcomponents:httpclient:4.5.1::compile
> *====Risk for ClassNotFoundException/NotClassDefFoundError:*
>  a) Classes that only exist in org.apache.httpcomponents:httpclient:4.5.1:
>  org.apache.http.client.utils.DateUtils$DateFormatHolder$1
> b) Classes that only exist in org.apache.httpcomponents:httpclient:4.5.2:
>  org.apache.http.conn.ssl.DefaultHostnameVerifier$TYPE
>  org.apache.http.impl.client.DefaultClientConnectionReuseStrategy
>  org.apache.http.conn.ssl.DefaultHostnameVerifier$1
> *====Risk for NoSuchMethodException/NoSuchMethodError:*
>  Methods that only exist in org.apache.httpcomponents:httpclient:4.5.2:
>  <org.apache.http.impl.cookie.PublicSuffixDomainFilter: java.util.Map 
> createLocalDomainMap()>
>  <org.apache.http.impl.cookie.IgnoreSpec: boolean 
> match(org.apache.http.cookie.Cookie,org.apache.http.cookie.CookieOrigin)>
>  <org.apache.http.impl.client.HttpClientBuilder: 
> org.apache.http.impl.client.HttpClientBuilder 
> setDnsResolver(org.apache.http.conn.DnsResolver)>
>  



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