When the select option doesn't have value selected, it crashes the Web Content portlet

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 6.2.X EE
• Fix Version/s: 6.2.2 CE GA3 , 6.2.X EE
• Component/s: WCM
• Labels:
  • QA-AUTOMATION
  • liferay-fixpack-dynamic-data-lists-13-6210
  • liferay-fixpack-web-content-15-6210
• Branch Version/s:
  6.2.x
• Backported to Branch:
  Committed
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal-ee/pull/7388
• Bug Type: Regression Bug

Reproduction steps:
1) Create a structure which has a select field
2) Set its Multiple field to Yes
3) Create a template
4) Create a Web Content based on this structure, but do not select any options
5) Try to save it
Results: Web Content is temporarily unavailable.

Error in the log:

09:37:23,151 ERROR [http-bio-8080-exec-7][render_portlet_jsp:132] null
java.lang.NullPointerException
at com.liferay.portlet.journal.util.JournalConverterImpl.updateContentDynamicElement(JournalConverterImpl.java:751)
at com.liferay.portlet.journal.util.JournalConverterImpl.updateContentDynamicElement(JournalConverterImpl.java:723)
at com.liferay.portlet.journal.util.JournalConverterImpl.getContent(JournalConverterImpl.java:161)
at com.liferay.portlet.journal.util.JournalConverterUtil.getContent(JournalConverterUtil.java:30)
at com.liferay.portlet.journal.action.ActionUtil.getContentAndImages(ActionUtil.java:290)
at com.liferay.portlet.journal.action.EditArticleAction.updateArticle(EditArticleAction.java:623)
at com.liferay.portlet.journal.action.EditArticleAction.processAction(EditArticleAction.java:141)
at com.liferay.portal.struts.PortletRequestProcessor.process(PortletRequestProcessor.java:166)
at com.liferay.portlet.StrutsPortlet.processAction(StrutsPortlet.java:216)
at com.liferay.portlet.FilterChainImpl.doFilter(FilterChainImpl.java:71)
at com.liferay.portal.kernel.portlet.PortletFilterUtil.doFilter(PortletFilterUtil.java:48)
at com.liferay.portlet.InvokerPortletImpl.invoke(InvokerPortletImpl.java:597)
at com.liferay.portlet.InvokerPortletImpl.invokeAction(InvokerPortletImpl.java:628)
at com.liferay.portlet.InvokerPortletImpl.processAction(InvokerPortletImpl.java:308)
at com.liferay.portlet.PortletContainerImpl._doProcessAction(PortletContainerImpl.java:402)
at com.liferay.portlet.PortletContainerImpl.processAction(PortletContainerImpl.java:110)
at com.liferay.portlet.SecurityPortletContainerWrapper.processAction(SecurityPortletContainerWrapper.java:109)
at com.liferay.portlet.RestrictPortletContainerWrapper.processAction(RestrictPortletContainerWrapper.java:75)
at com.liferay.portal.kernel.portlet.PortletContainerUtil.processAction(PortletContainerUtil.java:115)
at com.liferay.portal.action.LayoutAction.processLayout(LayoutAction.java:381)

Notes:
Reproduced on 6.2.x
Fixed on master