Publish Web Content with null title cause ClassCastException

• Type: Regression Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 7.0.0 M3
• Fix Version/s: 6.2.3 CE GA4, 6.2.X EE, 7.0.0 M1
• Component/s: WCM, WCM > Web Content Administration
• Labels:
  • liferay-fixpack-portal-40-6210
• Environment: Tomcat 7.0.42 + MySQL 5.5.34. Portal master GIT ID: 73328c1a2b572ce418da8e816e9ed3d804927609.
• Branch Version/s:
  6.2.x
• Backported to Branch:
  Committed
• Story Points: 6
• Fix Priority: 3
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/16179

1. Admin -> Content -> Add Basic Web Content.
2. Publish without fill the title and content.

Expected result:
It should be no exception in the console.

Actual result:
Throw exception in the console.

06:25:47,202 ERROR [http-bio-8080-exec-4][IncludeTag:129] Current URL /web/guest/home?p_auth=zmqefSzU&p_p_auth=Hphp5zFS&p_p_id=15&p_p_lifecycle=1&p_p_state=pop_up&p_p_mode=view&_15_struts_action=%2Fjournal%2Fedit_article generates exception: java.lang.String cannot be cast to java.lang.Exception
java.lang.ClassCastException: java.lang.String cannot be cast to java.lang.Exception
        at org.apache.jsp.html.taglib.ui.input_005flocalized.page_jsp._jspService(page_jsp.java:581)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
        at com.liferay.portal.servlet.DirectRequestDispatcher.include(DirectRequestDispatcher.java:57)
        at com.liferay.portal.servlet.ClassLoaderRequestDispatcherWrapper.doDispatch(ClassLoaderRequestDispatcherWrapper.java:78)
        at com.liferay.portal.servlet.ClassLoaderRequestDispatcherWrapper.include(ClassLoaderRequestDispatcherWrapper.java:53)
        at com.liferay.taglib.util.IncludeTag.include(IncludeTag.java:295)
        at com.liferay.taglib.util.IncludeTag.doInclude(IncludeTag.java:192)
        at com.liferay.taglib.util.IncludeTag.doEndTag(IncludeTag.java:83)
        at org.apache.jsp.html.taglib.ui.input_005ffield.page_jsp._jspService(page_jsp.java:1638)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
        at com.liferay.portal.servlet.DirectRequestDispatcher.include(DirectRequestDispatcher.java:57)
        at com.liferay.portal.servlet.ClassLoaderRequestDispatcherWrapper.doDispatch(ClassLoaderRequestDispatcherWrapper.java:78)
        at com.liferay.portal.servlet.ClassLoaderRequestDispatcherWrapper.include(ClassLoaderRequestDispatcherWrapper.java:53)
        at com.liferay.taglib.util.IncludeTag.include(IncludeTag.java:295)
        at com.liferay.taglib.util.IncludeTag.doInclude(IncludeTag.java:192)
        at com.liferay.taglib.util.IncludeTag.doEndTag(IncludeTag.java:83)
        at org.apache.jsp.html.taglib.aui.input.page_jsp._jspService(page_jsp.java:1175)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)