org.xwiki.extension.InstallException: Failed to resolve extension

XWiki.org JIRA | Mark Heptinstall | 4 years ago
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    1. Fresh install of XEM 4.3 2. Search for a skin within extension manager 3. Select Install 4. Error message: {noformat} Can't find descriptor for the component [role = [interface org.xwiki.extension.handler.ExtensionHandler] hint = [skin]] class org.xwiki.extension.InstallException: Failed to resolve extension at org.xwiki.extension.job.internal.AbstractInstallPlanJob.installExtension(AbstractInstallPlanJob.java:685) at org.xwiki.extension.job.internal.AbstractInstallPlanJob.installExtension(AbstractInstallPlanJob.java:384) at org.xwiki.extension.job.internal.AbstractInstallPlanJob.installExtension(AbstractInstallPlanJob.java:296) at org.xwiki.extension.job.internal.AbstractInstallPlanJob.start(AbstractInstallPlanJob.java:234) at org.xwiki.extension.job.internal.InstallPlanJob.start(InstallPlanJob.java:88) at org.xwiki.job.AbstractJob.start(AbstractJob.java:134) at org.xwiki.job.internal.DefaultJobManager.run(DefaultJobManager.java:154) at java.lang.Thread.run(Thread.java:636) Caused by: class org.xwiki.extension.InstallException: Unsupported type [skin] at org.xwiki.extension.job.internal.AbstractInstallPlanJob.installExtension(AbstractInstallPlanJob.java:767) at org.xwiki.extension.job.internal.AbstractInstallPlanJob.installExtension(AbstractInstallPlanJob.java:683) at org.xwiki.extension.job.internal.AbstractInstallPlanJob.installExtension(AbstractInstallPlanJob.java:384) at org.xwiki.extension.job.internal.AbstractInstallPlanJob.installExtension(AbstractInstallPlanJob.java:296) at org.xwiki.extension.job.internal.AbstractInstallPlanJob.start(AbstractInstallPlanJob.java:234) at org.xwiki.extension.job.internal.InstallPlanJob.start(InstallPlanJob.java:88) at org.xwiki.job.AbstractJob.start(AbstractJob.java:134) at org.xwiki.job.internal.DefaultJobManager.run(DefaultJobManager.java:154) at java.lang.Thread.run(Thread.java:636) Caused by: class org.xwiki.component.manager.ComponentLookupException: Can't find descriptor for the component [role = [interface org.xwiki.extension.handler.ExtensionHandler] hint = [skin]] at org.xwiki.component.embed.EmbeddableComponentManager.getComponentInstance(EmbeddableComponentManager.java:355) at org.xwiki.component.embed.EmbeddableComponentManager.getInstance(EmbeddableComponentManager.java:161) at org.xwiki.extension.job.internal.AbstractInstallPlanJob.installExtension(AbstractInstallPlanJob.java:765) at org.xwiki.extension.job.internal.AbstractInstallPlanJob.installExtension(AbstractInstallPlanJob.java:683) at org.xwiki.extension.job.internal.AbstractInstallPlanJob.installExtension(AbstractInstallPlanJob.java:384) at org.xwiki.extension.job.internal.AbstractInstallPlanJob.installExtension(AbstractInstallPlanJob.java:296) at org.xwiki.extension.job.internal.AbstractInstallPlanJob.start(AbstractInstallPlanJob.java:234) at org.xwiki.extension.job.internal.InstallPlanJob.start(InstallPlanJob.java:88) at org.xwiki.job.AbstractJob.start(AbstractJob.java:134) at org.xwiki.job.internal.DefaultJobManager.run(DefaultJobManager.java:154) at java.lang.Thread.run(Thread.java:636) {noformat}

    XWiki.org JIRA | 4 years ago | Mark Heptinstall
    org.xwiki.extension.InstallException: Failed to resolve extension

    Root Cause Analysis

    1. org.xwiki.extension.InstallException

      Failed to resolve extension

      at org.xwiki.extension.job.internal.AbstractInstallPlanJob.installExtension()
    2. org.xwiki.extension
      InstallPlanJob.start
      1. org.xwiki.extension.job.internal.AbstractInstallPlanJob.installExtension(AbstractInstallPlanJob.java:685)
      2. org.xwiki.extension.job.internal.AbstractInstallPlanJob.installExtension(AbstractInstallPlanJob.java:384)
      3. org.xwiki.extension.job.internal.AbstractInstallPlanJob.installExtension(AbstractInstallPlanJob.java:296)
      4. org.xwiki.extension.job.internal.AbstractInstallPlanJob.start(AbstractInstallPlanJob.java:234)
      5. org.xwiki.extension.job.internal.InstallPlanJob.start(InstallPlanJob.java:88)
      5 frames
    3. org.xwiki.job
      DefaultJobManager.run
      1. org.xwiki.job.AbstractJob.start(AbstractJob.java:134)
      2. org.xwiki.job.internal.DefaultJobManager.run(DefaultJobManager.java:154)
      2 frames
    4. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:636)
      1 frame