DuplicateKBArticleUrlTitleException occurs when import KBArtcile

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 6.2.X EE, 7.0.0 Alpha 3
• Fix Version/s: 6.2.X EE, 7.0.0 Alpha 3
• Component/s: Knowledge Base widget
• Labels:
  • QA-B
  • ee-ts
• Backported to Branch:
  Committed
• Story Points: 1
• Git Pull Request: https://github.com/brianchandotcom/liferay-plugins/pull/5007

1. Deploy Knowledage-base portlet.
2. Go to Content->Knowledage Base
3. Add one kbArticle, title:a, version: 1
4. Edit the article "a" so that generate new version(2)
5. Export the KB as kb.lar
6. Delete the kbArticle "a", and then import kb.lar (choose "Copy as New" as import Strategy).

Expected Behavior: Import successful.
Actual Behavior: Can't import KB successful. the below error will occur:

Caused by: com.liferay.knowledgebase.DuplicateKBArticleUrlTitleException: Duplicate URL title /a
        at com.liferay.knowledgebase.service.impl.KBArticleLocalServiceImpl.validateUrlTitle(KBArticleLocalServiceImpl.java:1980)
        at com.liferay.knowledgebase.service.impl.KBArticleLocalServiceImpl.addKBArticle(KBArticleLocalServiceImpl.java:130)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        at com.liferay.portal.spring.aop.ServiceBeanMethodInvocation.proceed(ServiceBeanMethodInvocation.java:153)
        at com.liferay.portal.spring.transaction.DefaultTransactionExecutor.execute(DefaultTransactionExecutor.java:93)
        at com.liferay.portal.spring.transaction.TransactionInterceptor.invoke(TransactionInterceptor.java:55)
        at com.liferay.portal.spring.aop.ServiceBeanMethodInvocation.proceed(ServiceBeanMethodInvocation.java:127)
        at com.liferay.portal.service.ServiceContextAdvice.invoke(ServiceContextAdvice.java:38)
        at com.liferay.portal.spring.aop.ServiceBeanMethodInvocation.proceed(ServiceBeanMethodInvocation.java:127)
        at com.liferay.portal.spring.aop.ServiceBeanAopProxy.invoke(ServiceBeanAopProxy.java:173)
        at com.sun.proxy.$Proxy718.addKBArticle(Unknown Source)
        at com.liferay.knowledgebase.service.KBArticleLocalServiceUtil.addKBArticle(KBArticleLocalServiceUtil.java:64)
        at com.liferay.knowledgebase.admin.lar.KBArticleStagedModelDataHandler.doImportStagedModel(KBArticleStagedModelDataHandler.java:296)
        at com.liferay.knowledgebase.admin.lar.KBArticleStagedModelDataHandler.doImportStagedModel(KBArticleStagedModelDataHandler.java:56)
        at com.liferay.portlet.exportimport.lar.BaseStagedModelDataHandler.importStagedModel(BaseStagedModelDataHandler.java:369)
        ... 49 more