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  1. XWiki Platform
  2. XWIKI-17071

ClassCastException when performing an advanced search without version in Extension Manager

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    Details

    • Type: Bug
    • Status: Open
    • Priority: Minor
    • Resolution: Unresolved
    • Affects Version/s: 12.1
    • Fix Version/s: None
    • Component/s: Extension
    • Labels:
    • Difficulty:
      Unknown
    • Similar issues:

      Description

      Reproduction steps:

      • (optional?) Activate the following repositories in xwiki.properties:
        #-# And an example to add the XWiki Maven Snapshot Repository
        extension.repositories=maven-xwiki-snapshot:maven:http://nexus.xwiki.org/nexus/content/groups/public-snapshots
        #-#
        #-# When not set the following is taken (in this order):
        extension.repositories=maven-xwiki:maven:http://nexus.xwiki.org/nexus/content/groups/public
        extension.repositories=store.xwiki.com:xwiki:https://store.xwiki.com/xwiki/rest/
        extension.repositories=extensions.xwiki.org:xwiki:http://extensions.xwiki.org/xwiki/rest/
        
      • Login with Admin and open the Extension Manager
      • Click on "Advanced search" and fill the ID but omit the version (which is not marked as mandatory or checked on client side)

      Expected result:

      • Either the form must be validated to ensure the version is filled before validation, or the search must just be performed and inform that no extension has been found

      Obtained result:

      • On UI side we just have the information that no extension has been found, but on server side we have a long stacktrace with a ClassCastException:
      2020-02-25 14:31:53,875 [http://localhost:8080/xwiki/bin/admin/XWiki/XWikiPreferences?section=XWiki.Extensions&extensionId=org.xwiki.contrib%3Aactivitypub-ui&extensionVersion=] ERROR aultExtensionRepositoryManager - Unexpected error when trying to find extension [org.xwiki.contrib:activitypub-ui/] in repository [extensions.xwiki.org:xwiki:http://extensions.xwiki.org/xwiki/rest] 
      org.xwiki.extension.ResolveException: Failed to create extension object for extension [org.xwiki.contrib:activitypub-ui/]
      	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.resolve(XWikiExtensionRepository.java:344)
      	at org.xwiki.extension.repository.internal.DefaultExtensionRepositoryManager.resolve(DefaultExtensionRepositoryManager.java:286)
      	at org.xwiki.extension.internal.DefaultExtensionManager.resolveExtensionFromInstalled(DefaultExtensionManager.java:136)
      	at org.xwiki.extension.internal.DefaultExtensionManager.resolveExtension(DefaultExtensionManager.java:119)
      	at org.xwiki.extension.script.ExtensionManagerScriptService.resolve(ExtensionManagerScriptService.java:253)
      	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
      	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      	at java.lang.reflect.Method.invoke(Method.java:498)
      	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:565)
      	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:548)
      	at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:219)
      	at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:369)
      	at org.apache.velocity.runtime.parser.node.ASTReference.value(ASTReference.java:701)
      	at org.apache.velocity.runtime.parser.node.ASTExpression.value(ASTExpression.java:72)
      	at org.apache.velocity.runtime.parser.node.ASTSetDirective.render(ASTSetDirective.java:240)
      	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:144)
      	at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:172)
      	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:144)
      	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:423)
      	at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:191)
      	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:144)
      	at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:215)
      	at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:328)
      	at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:258)
      	at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:301)
      	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:144)
      	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:423)
      	at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:191)
      	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:144)
      	at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:215)
      	at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:328)
      	at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:258)
      	at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:301)
      	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:144)
      	at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:172)
      	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:144)
      	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:423)
      	at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:191)
      	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:423)
      	at org.apache.velocity.Template.merge(Template.java:358)
      	at org.apache.velocity.Template.merge(Template.java:262)
      	at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:281)
      	at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:316)
      	at org.xwiki.rendering.internal.macro.velocity.VelocityMacro.evaluateString(VelocityMacro.java:131)
      	at org.xwiki.rendering.internal.macro.velocity.VelocityMacro.evaluateString(VelocityMacro.java:52)
      	at org.xwiki.rendering.macro.script.AbstractScriptMacro.evaluateBlock(AbstractScriptMacro.java:286)
      	at org.xwiki.rendering.macro.script.AbstractScriptMacro.execute(AbstractScriptMacro.java:182)
      	at org.xwiki.rendering.macro.script.AbstractScriptMacro.execute(AbstractScriptMacro.java:58)
      	at org.xwiki.rendering.internal.transformation.macro.MacroTransformation.transform(MacroTransformation.java:297)
      	at org.xwiki.rendering.internal.transformation.DefaultRenderingContext.transformInContext(DefaultRenderingContext.java:183)
      	at org.xwiki.rendering.internal.transformation.DefaultTransformationManager.performTransformations(DefaultTransformationManager.java:101)
      	at org.xwiki.display.internal.DocumentContentAsyncExecutor.executeInCurrentExecutionContext(DocumentContentAsyncExecutor.java:348)
      	at org.xwiki.display.internal.DocumentContentAsyncExecutor.execute(DocumentContentAsyncExecutor.java:221)
      	at org.xwiki.display.internal.DocumentContentAsyncRenderer.execute(DocumentContentAsyncRenderer.java:107)
      	at org.xwiki.rendering.async.internal.block.AbstractBlockAsyncRenderer.render(AbstractBlockAsyncRenderer.java:157)
      	at org.xwiki.rendering.async.internal.block.AbstractBlockAsyncRenderer.render(AbstractBlockAsyncRenderer.java:54)
      	at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.syncRender(DefaultAsyncRendererExecutor.java:270)
      	at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.render(DefaultAsyncRendererExecutor.java:247)
      	at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor.execute(DefaultBlockAsyncRendererExecutor.java:125)
      	at org.xwiki.display.internal.DocumentContentDisplayer.display(DocumentContentDisplayer.java:67)
      	at org.xwiki.display.internal.DocumentContentDisplayer.display(DocumentContentDisplayer.java:43)
      	at org.xwiki.display.internal.DefaultDocumentDisplayer.display(DefaultDocumentDisplayer.java:96)
      	at org.xwiki.display.internal.DefaultDocumentDisplayer.display(DefaultDocumentDisplayer.java:39)
      	at org.xwiki.sheet.internal.SheetDocumentDisplayer.display(SheetDocumentDisplayer.java:123)
      	at org.xwiki.sheet.internal.SheetDocumentDisplayer.display(SheetDocumentDisplayer.java:52)
      	at org.xwiki.display.internal.ConfiguredDocumentDisplayer.display(ConfiguredDocumentDisplayer.java:68)
      	at org.xwiki.display.internal.ConfiguredDocumentDisplayer.display(ConfiguredDocumentDisplayer.java:42)
      	at com.xpn.xwiki.doc.XWikiDocument.display(XWikiDocument.java:1224)
      	at com.xpn.xwiki.doc.XWikiDocument.getRenderedContent(XWikiDocument.java:1365)
      	at com.xpn.xwiki.doc.XWikiDocument.getRenderedContent(XWikiDocument.java:1332)
      	at com.xpn.xwiki.XWiki.getRenderedContent(XWiki.java:4463)
      	at com.xpn.xwiki.XWiki.include(XWiki.java:4400)
      	at com.xpn.xwiki.api.XWiki.includeForm(XWiki.java:1804)
      	at com.xpn.xwiki.api.XWiki.includeForm(XWiki.java:1764)
      	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
      	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      	at java.lang.reflect.Method.invoke(Method.java:498)
      	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:565)
      	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:548)
      	at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:219)
      	at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:369)
      	at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:490)
      	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:144)
      	at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:215)
      	at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:328)
      	at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:258)
      	at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:301)
      	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:144)
      	at org.apache.velocity.runtime.parser.node.ASTElseIfStatement.render(ASTElseIfStatement.java:104)
      	at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:191)
      	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:144)
      	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:423)
      	at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:191)
      	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:144)
      	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:423)
      	at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:191)
      	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:423)
      	at org.apache.velocity.Template.merge(Template.java:358)
      	at org.apache.velocity.Template.merge(Template.java:262)
      	at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:281)
      	at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:316)
      	at org.xwiki.rendering.internal.macro.velocity.VelocityMacro.evaluateString(VelocityMacro.java:131)
      	at org.xwiki.rendering.internal.macro.velocity.VelocityMacro.evaluateString(VelocityMacro.java:52)
      	at org.xwiki.rendering.macro.script.AbstractScriptMacro.evaluateBlock(AbstractScriptMacro.java:286)
      	at org.xwiki.rendering.macro.script.AbstractScriptMacro.execute(AbstractScriptMacro.java:182)
      	at org.xwiki.rendering.macro.script.AbstractScriptMacro.execute(AbstractScriptMacro.java:58)
      	at org.xwiki.rendering.internal.transformation.macro.MacroTransformation.transform(MacroTransformation.java:297)
      	at org.xwiki.rendering.internal.transformation.DefaultRenderingContext.transformInContext(DefaultRenderingContext.java:183)
      	at org.xwiki.rendering.internal.transformation.DefaultTransformationManager.performTransformations(DefaultTransformationManager.java:101)
      	at org.xwiki.display.internal.DocumentContentAsyncExecutor.executeInCurrentExecutionContext(DocumentContentAsyncExecutor.java:348)
      	at org.xwiki.display.internal.DocumentContentAsyncExecutor.execute(DocumentContentAsyncExecutor.java:221)
      	at org.xwiki.display.internal.DocumentContentAsyncRenderer.execute(DocumentContentAsyncRenderer.java:107)
      	at org.xwiki.rendering.async.internal.block.AbstractBlockAsyncRenderer.render(AbstractBlockAsyncRenderer.java:157)
      	at org.xwiki.rendering.async.internal.block.AbstractBlockAsyncRenderer.render(AbstractBlockAsyncRenderer.java:54)
      	at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.syncRender(DefaultAsyncRendererExecutor.java:270)
      	at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.render(DefaultAsyncRendererExecutor.java:247)
      	at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor.execute(DefaultBlockAsyncRendererExecutor.java:125)
      	at org.xwiki.display.internal.DocumentContentDisplayer.display(DocumentContentDisplayer.java:67)
      	at org.xwiki.display.internal.DocumentContentDisplayer.display(DocumentContentDisplayer.java:43)
      	at org.xwiki.display.internal.DefaultDocumentDisplayer.display(DefaultDocumentDisplayer.java:96)
      	at org.xwiki.display.internal.DefaultDocumentDisplayer.display(DefaultDocumentDisplayer.java:39)
      	at org.xwiki.sheet.internal.SheetDocumentDisplayer.display(SheetDocumentDisplayer.java:245)
      	at org.xwiki.sheet.internal.SheetDocumentDisplayer.applySheet(SheetDocumentDisplayer.java:225)
      	at org.xwiki.sheet.internal.SheetDocumentDisplayer.maybeDisplayWithSheet(SheetDocumentDisplayer.java:180)
      	at org.xwiki.sheet.internal.SheetDocumentDisplayer.display(SheetDocumentDisplayer.java:111)
      	at org.xwiki.sheet.internal.SheetDocumentDisplayer.display(SheetDocumentDisplayer.java:52)
      	at org.xwiki.display.internal.ConfiguredDocumentDisplayer.display(ConfiguredDocumentDisplayer.java:68)
      	at org.xwiki.display.internal.ConfiguredDocumentDisplayer.display(ConfiguredDocumentDisplayer.java:42)
      	at com.xpn.xwiki.script.display.DisplayScriptService.document(DisplayScriptService.java:143)
      	at com.xpn.xwiki.script.display.DisplayScriptService.content(DisplayScriptService.java:206)
      	at com.xpn.xwiki.script.display.DisplayScriptService.content(DisplayScriptService.java:165)
      	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
      	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      	at java.lang.reflect.Method.invoke(Method.java:498)
      	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:565)
      	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:548)
      	at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:219)
      	at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:369)
      	at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:490)
      	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:144)
      	at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:172)
      	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:144)
      	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:423)
      	at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:191)
      	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:423)
      	at org.apache.velocity.Template.merge(Template.java:358)
      	at org.apache.velocity.Template.merge(Template.java:262)
      	at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:281)
      	at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:316)
      	at com.xpn.xwiki.internal.template.VelocityTemplateEvaluator.evaluateContent(VelocityTemplateEvaluator.java:95)
      	at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.evaluateContent(TemplateAsyncRenderer.java:217)
      	at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.renderVelocity(TemplateAsyncRenderer.java:180)
      	at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:137)
      	at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:53)
      	at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.lambda$syncRender$0(DefaultAsyncRendererExecutor.java:264)
      	at com.xpn.xwiki.internal.security.authorization.DefaultAuthorExecutor.call(DefaultAuthorExecutor.java:98)
      	at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.syncRender(DefaultAsyncRendererExecutor.java:264)
      	at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.render(DefaultAsyncRendererExecutor.java:247)
      	at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor.render(DefaultBlockAsyncRendererExecutor.java:154)
      	at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:772)
      	at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:745)
      	at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:725)
      	at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:711)
      	at com.xpn.xwiki.internal.template.DefaultTemplateManager.render(DefaultTemplateManager.java:78)
      	at com.xpn.xwiki.XWiki.evaluateTemplate(XWiki.java:2501)
      	at com.xpn.xwiki.web.Utils.parseTemplate(Utils.java:179)
      	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:576)
      	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:250)
      	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:425)
      	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:228)
      	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
      	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449)
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:687)
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
      	at org.eclipse.jetty.servlet.ServletHolder$NotAsyncServlet.service(ServletHolder.java:1401)
      	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:760)
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1617)
      	at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:112)
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1604)
      	at org.xwiki.wysiwyg.filter.ConversionFilter.doFilter(ConversionFilter.java:109)
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1604)
      	at org.xwiki.container.servlet.filters.internal.SetHTTPHeaderFilter.doFilter(SetHTTPHeaderFilter.java:63)
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1604)
      	at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208)
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1604)
      	at org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111)
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1604)
      	at org.xwiki.resource.servlet.RoutingFilter.doFilter(RoutingFilter.java:132)
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1596)
      	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:545)
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
      	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:536)
      	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
      	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235)
      	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1592)
      	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
      	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1296)
      	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)
      	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:485)
      	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1562)
      	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
      	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1211)
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
      	at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:221)
      	at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:146)
      	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
      	at org.eclipse.jetty.server.Server.handle(Server.java:500)
      	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:386)
      	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:562)
      	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:378)
      	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:270)
      	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)
      	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103)
      	at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:117)
      	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:806)
      	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:938)
      	at java.lang.Thread.run(Thread.java:748)
      Caused by: java.lang.ClassCastException: org.xwiki.extension.repository.xwiki.model.jaxb.ExtensionVersions cannot be cast to org.xwiki.extension.repository.xwiki.model.jaxb.ExtensionVersion
      	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.resolve(XWikiExtensionRepository.java:350)
      	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.resolve(XWikiExtensionRepository.java:340)
      	... 219 common frames omitted
      

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            Assignee:
            tmortagne Thomas Mortagne
            Reporter:
            surli Simon Urli
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              Dates

              Created:
              Updated:
              Date of First Response: