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https://issues.apache.org/jira/browse/WICKET-6535?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Martin Grigorov resolved WICKET-6535.
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Resolution: Not A Problem
There is no problem here.
The Tomcat dependency is only for the compilation. Once you deploy your
application in Tomcat they are provided for free.
If you deploy your application in another web container, like Jetty, WildFly,
then you need to use another wicket-http2-xyz dependency for your build.
At runtime there are no more than one servlet-api.jars in the classpath.
> 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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