[jira] [Commented] (WICKET-6535) Dependency conflict problems: Conflicting classes exist in different JARs

["Maxim Solodovnik (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/WICKET-6535?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16360808#comment-16360808 ] 

Maxim Solodovnik commented on WICKET-6535:
------------------------------------------

Just have checked
servlet-api is currently {{provided}} dependency
I can find no {{tomcat-servlet-api}} dependencies in the latest sources (currently being VOTEd 

Could you please double-check using latest sources?

> Dependency conflict problems: Conflicting classes exist in different JARs
> -------------------------------------------------------------------------
>
>                 Key: WICKET-6535
>                 URL: https://issues.apache.org/jira/browse/WICKET-6535
>             Project: Wicket
>          Issue Type: Bug
>          Components: wicket-http2
>    Affects Versions: 8.0.0-M8
>            Reporter: PandaMonkey
>            Priority: Major
>
> Hi, by analyzing the dependency tree of your pom.xml and source code, we found that several classes with the same name in different JARs, but they have different implementations.  As the JVM only load the classes present first on the classpath and shadow the other duplicate ones with the same name. So the problem will lead to the "NoSuchMethodException" or "NoSuchMethodError". Please notice that. Hope this can help you.
>  
> ===============projectPath->org.apache.wicket.experimental.wicket8:wicket-http2-tomcat:0.3@D:\ws\release\wicket-rel-wicket-8.0.0-M8\wicket-experimental\wicket-http2\wicket-http2-tomcat\pom.xml
> *Risk for jar-pair:<javax.servlet:javax.servlet-api:3.1.0:><org.apache.tomcat:tomcat-servlet-api:8.5.19:>*
> {color:#d04437} *methods that only exist in javax.servlet:javax.servlet-api:3.1.0:: [org.apache.wicket.experimental.wicket8:wicket-http2-tomcat:0.3:->javax.servlet:javax.servlet-api:3.1.0:]*{color}
> <javax.servlet.GenericServlet: void <clinit>()>
> <javax.servlet.http.Cookie: boolean isToken(java.lang.String)>
> <javax.servlet.http.NoBodyResponse: void <clinit>()>
> <javax.servlet.HttpConstraintElement: java.lang.String[] copyStrings(java.lang.String[])>
> <javax.servlet.ServletSecurityElement: java.util.Collection checkMethodNames(java.util.Collection)>
>  {color:#d04437}*methods that only exist in org.apache.tomcat:tomcat-servlet-api:8.5.19:: [org.apache.wicket.experimental.wicket8:wicket-http2-tomcat:0.3:->org.apache.tomcat:tomcat-catalina:8.5.19:->org.apache.tomcat:tomcat-servlet-api:8.5.19:]*{color}
> <javax.servlet.HttpConstraintElement: void <clinit>()>
> <javax.servlet.HttpMethodConstraintElement: void <clinit>()>
> <javax.servlet.ServletSecurityElement: void addHttpMethodConstraints(java.util.Collection)>



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