NPE appeared when view a file that be uploaded in Documents and Media portlet

• Type: Regression Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: 7.1.10 DXP FP16, 7.1.X, 7.2.10 DXP FP9, 7.2.X, 7.3.5 CE GA6, 7.3.10 DXP GA1, Master
• Component/s: Documents & Media
• Labels:
  • liferay-fixpack-dxp-16-7110
  • liferay-fixpack-dxp-9-7210
• Branch Version/s:
  7.2.x, 7.1.x
• Backported to Branch:
  Committed
• Story Points: 1
• Fix Priority: 3
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/79491

Reproduce steps:

1>Set these properties in portal-ext.properties:
direct.servlet.context.enabled=true
direct.servlet.context.reload=false

2>Startup portal

3>Add Documents and Media portlet to the page

4>Upload a txt file

5>View the file that be uploaded in step 4>, and refresh the page

Expected results:
No exception appeared in console

Actual results:
NPE appeared in console when view the file or refresh the page

2019-10-09 09:52:15.395 ERROR [http-nio-8080-exec-9][IncludeTag:128] Current URL /web/guest/home/-/document_library/N18JNFrZnimo/view_file/37344?_com_liferay_document_library_web_portlet_DLPortlet_INSTANCE_N18JNFrZnimo_redirect=http%3A%2F%2Flocalhost%3A8080%2Fweb%2Fguest%2Fhome%3Fp_p_id%3Dcom_liferay_document_library_web_portlet_DLPortlet_INSTANCE_N18JNFrZnimo%26p_p_lifecycle%3D0%26p_p_state%3Dnormal%26p_p_mode%3Dview generates exception: java.lang.NullPointerException
java.lang.NullPointerException
	at com.liferay.frontend.taglib.react.servlet.taglib.ComponentTag.getModule(ComponentTag.java:93)
	at com.liferay.frontend.taglib.react.servlet.taglib.ComponentTag.doEndTag(ComponentTag.java:50)
	at org.apache.jsp.collaborators.page_jsp._jspService(page_jsp.java:160)
	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:111)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
	at com.liferay.portal.servlet.DirectRequestDispatcher.include(DirectRequestDispatcher.java:64)
	at com.liferay.portal.servlet.DirectRequestDispatcherFactoryImpl$IndirectRequestDispatcher.include(DirectRequestDispatcherFactoryImpl.java:199)
	at com.liferay.portal.servlet.ClassLoaderRequestDispatcherWrapper.doDispatch(ClassLoaderRequestDispatcherWrapper.java:79)
	at com.liferay.portal.servlet.ClassLoaderRequestDispatcherWrapper.include(ClassLoaderRequestDispatcherWrapper.java:53)
	at com.liferay.taglib.util.IncludeTag.includePage(IncludeTag.java:398)
	at com.liferay.taglib.util.IncludeTag.include(IncludeTag.java:374)
	at com.liferay.taglib.util.IncludeTag.doInclude(IncludeTag.java:217)
	at com.liferay.taglib.util.IncludeTag.doEndTag(IncludeTag.java:88)
	at org.apache.jsp.META_002dINF.resources.dynamic_005fsection.info_005fpanel_005ffile_005fentry_jsp._jspService(info_005fpanel_005ffile_005fentry_jsp:197)
	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:111)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:411)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:473)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:377)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)