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'Error 500 Internal Server' in P6 Web Dashboard and the P6WebAccess.html Log Shows 'JSP Compilation' Errors (Doc ID 2226155.1)

Last updated on MARCH 22, 2022

Applies to:

Primavera P6 Enterprise Project Portfolio Management - Version and later
Information in this document applies to any platform.


When attempting to browse the P6 Web Dashboard, the following error occurs:

Error 500 - Internal Server Error
From RFC 2068 Hypertext Transfer Protocol -- HTTP/1.1 Internal Server Error

In addition, the P6WebAccess.html log file lists the following error:

[ACTIVE] ExecuteThread: '1' for queue: 'weblogic.kernel.Default (self-tuning)' ERROR /WEB-INF/jsp/struts/layouts/component_page.jsp?U=1484816965605&PortfolioId=17&canEdit=true (User Id: 495 DB Id: 1) com.primavera.pvweb.servlet.PhoenixForwardController ?:? Exception while processing request for page: /p6/comp/MyProjects
javax.servlet.ServletException: javax.servlet.jsp.JspException: ServletException in '/WEB-INF/jsp/components/common/myprojects.jsp': Failed to compile JSP /WEB-INF/jsp/components/common/myprojects.jsp
  myprojects.jsp:8:18: Error in "" at line 88: The type java.lang.CharSequence cannot be resolved. It is indirectly referenced from required .class files
  <%@ include file="/WEB-INF/jsp/ncommon/" %>
  at weblogic.servlet.jsp.PageContextImpl.handlePageException(
  at jsp_servlet._web_45_inf._jsp._struts._layouts.__component_page._jspService(
[ACTIVE] ExecuteThread: '3' for queue: 'weblogic.kernel.Default (self-tuning)' ERROR org.apache.struts.taglib.tiles.InsertTag ?:? ServletException in '/WEB-INF/jsp/components/common/team_commcenter.jsp': Failed to compile JSP /WEB-INF/jsp/components/common/team_commcenter.jsp Exception occurred while processing 'C:\Oracle\Middleware\user_projects\domains\PrimaveraP6EPPM_16X\servers\P6\tmp\_WL_user\p6_16.2.0.0\hy849v\war\WEB-INF\jsp\components\common\team_commcenter.jsp'java.lang.NullPointerException


The issue can be reproduced at will with the following steps:
1. Login to P6 Web.
2. Browse the Dashboard.
3. Note the reported error on all panels (ex. My Projects, Communication Center and My Calendar).


P6 EPPM was deployed in Weblogic 11g, and upgraded from V8.3.x to v16.2. 


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