org.codehaus.groovy.grails.web.pages.exceptions.GroovyPagesException: Error processing GroovyPageView: Error executing tag <twbs:row>: Error executing tag <twbs:column>: Cannot get property 'user' on null object

GitHub | DanThrane | 6 months ago
tip
Click on the to mark the solution that helps you, Samebug will learn from it.
As a community member, you’ll be rewarded for you help.
  1. 0

    Internal Server Error for Course Signup

    GitHub | 6 months ago | DanThrane
    org.codehaus.groovy.grails.web.pages.exceptions.GroovyPagesException: Error processing GroovyPageView: Error executing tag <twbs:row>: Error executing tag <twbs:column>: Cannot get property 'user' on null object

    Root Cause Analysis

    1. java.lang.NullPointerException

      Cannot get property 'user' on null object

      at gsp_tekvideo_coursesignup_gsp$_run_closure2$_closure6$_closure10.doCall()
    2. Unknown
      gsp_tekvideo_coursesignup_gsp$_run_closure2$_closure6$_closure10.doCall
      1. gsp_tekvideo_coursesignup_gsp$_run_closure2$_closure6$_closure10.doCall(gsp_tekvideo_coursesignup_gsp.groovy:60)
      1 frame
    3. dk.danthrane.twbs
      GridTagLib$_closure3.doCall
      1. dk.danthrane.twbs.GridTagLib$_closure3.doCall(GridTagLib.groovy:68)
      1 frame
    4. Unknown
      gsp_tekvideo_coursesignup_gsp$_run_closure2$_closure6.doCall
      1. gsp_tekvideo_coursesignup_gsp$_run_closure2$_closure6.doCall(gsp_tekvideo_coursesignup_gsp.groovy:67)
      1 frame
    5. dk.danthrane.twbs
      GridTagLib$_closure2.doCall
      1. dk.danthrane.twbs.GridTagLib$_closure2.doCall(GridTagLib.groovy:20)
      1 frame
    6. Unknown
      gsp_tekvideo_coursesignup_gsp.run
      1. gsp_tekvideo_coursesignup_gsp$_run_closure2.doCall(gsp_tekvideo_coursesignup_gsp.groovy:104)
      2. gsp_tekvideo_coursesignup_gsp.run(gsp_tekvideo_coursesignup_gsp.groovy:160)
      2 frames
    7. grails.plugin.cache
      AbstractFilter.doFilter
      1. grails.plugin.cache.web.filter.PageFragmentCachingFilter.doFilter(PageFragmentCachingFilter.java:198)
      2. grails.plugin.cache.web.filter.AbstractFilter.doFilter(AbstractFilter.java:63)
      2 frames
    8. grails.plugin.springsecurity
      SecurityRequestHolderFilter.doFilter
      1. grails.plugin.springsecurity.web.filter.GrailsAnonymousAuthenticationFilter.doFilter(GrailsAnonymousAuthenticationFilter.java:53)
      2. grails.plugin.springsecurity.web.authentication.logout.MutableLogoutFilter.doFilter(MutableLogoutFilter.java:62)
      3. grails.plugin.springsecurity.web.SecurityRequestHolderFilter.doFilter(SecurityRequestHolderFilter.java:59)
      3 frames
    9. Jasig CAS Client for Java - Core
      SingleSignOutFilter.doFilter
      1. org.jasig.cas.client.session.SingleSignOutFilter.doFilter(SingleSignOutFilter.java:100)
      1 frame
    10. Java RT
      Thread.run
      1. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
      2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
      3. java.lang.Thread.run(Thread.java:745)
      3 frames