Description

    Step to reproduce:

    1. Add a new site
    2. Product Menu > Design > Style Books
    3. Click plus icon > Type name and Save

    Expected Results:
    The style book editor should be shown.

    Actual Results:
    The Style Book is temporarily unavailable. The following error is thrown in console.

    2020-08-12 06:48:38.158 ERROR [http-nio-8080-exec-1][PortletRequestDispatcherImpl:304] Unable to dispatch request: java.util.ConcurrentModificationException
    2020-08-12 06:48:38.161 ERROR [http-nio-8080-exec-1][PortletServlet:119] javax.portlet.PortletException: org.apache.jasper.JasperException: java.util.ConcurrentModificationException
    javax.portlet.PortletException: org.apache.jasper.JasperException: java.util.ConcurrentModificationException
            at com.liferay.portlet.internal.PortletRequestDispatcherImpl.dispatch(PortletRequestDispatcherImpl.java:307)
            at com.liferay.portlet.internal.PortletRequestDispatcherImpl.include(PortletRequestDispatcherImpl.java:123)
            at com.liferay.portal.kernel.portlet.bridges.mvc.MVCPortlet.include(MVCPortlet.java:571)
            at com.liferay.portal.kernel.portlet.bridges.mvc.MVCPortlet.include(MVCPortlet.java:587)
            at com.liferay.portal.kernel.portlet.bridges.mvc.MVCPortlet.doDispatch(MVCPortlet.java:463)
            at com.liferay.style.book.web.internal.portlet.StyleBookPortlet.doDispatch(StyleBookPortlet.java:65)
    

    Reproduced on:
    Tomcat 9.0.33 + MySQL 5.7. Portal master GIT ID: ef37423dea70b0ca7e76324e745a14e4872ff9f1.

    Cannot be reproduced on:
    Tomcat 9.0.33 + MySQL 5.7. Portal master GIT ID: 6d28f4266948e7b0eeb14c3e8d16b3d81e02e8bb.

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          Assignee:
          yang.cao Yang Cao
          Reporter:
          yang.cao Yang Cao
          Participants of an Issue:
          Recent user:
          Jason Pince
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          0 Vote for this issue
          Watchers:
          1 Start watching this issue

            Dates

            Created:
            Updated:
            Resolved:
            Days since last comment:
            10 weeks, 5 days ago

              Packages

              Version Package
              7.3.5 CE GA6
              7.3.10 DXP GA1
              Master