[MAGNOLIA-6886] NullPointerExceptions in PersonalizedNodeRenderingListener in ERROR requests Created: 25/Nov/16  Updated: 25/Nov/16  Resolved: 25/Nov/16

Status: Closed
Project: Magnolia
Component/s: core
Affects Version/s: 5.5
Fix Version/s: None

Type: Bug Priority: Neutral
Reporter: Jarkko Mantysaari Assignee: Unassigned
Resolution: Duplicate Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
duplicate
duplicates MGNLCACHE-154 Requests initiated with ERROR dispatc... Closed
Template:
Acceptance criteria:
Empty
Task DoD:
[ ]* Doc/release notes changes? Comment present?
[ ]* Downstream builds green?
[ ]* Solution information and context easily available?
[ ]* Tests
[ ]* FixVersion filled and not yet released
[ ]  Architecture Decision Record (ADR)
Bug DoR:
[ ]* Steps to reproduce, expected, and actual results filled
[ ]* Affected version filled

 Description   

Rendering the error page when request has been initiated with the ERROR dispatcher causes NullPointerExceptions in PersonalizedNodeRenderingListener.

It seems that the WebContext somehow disappears when the error request is handled. CacheFilter plays some role here because if it is disabled, then everything is working fine.

Part of the stacktrace:

java.lang.NullPointerException
at info.magnolia.context.WebContextImpl.getParameter(WebContextImpl.java:139)
at info.magnolia.personalization.rendering.PersonalizedNodeRenderingListener.before(PersonalizedNodeRenderingListener.java:58)
at info.magnolia.rendering.context.AggregationStateBasedRenderingContext.before(AggregationStateBasedRenderingContext.java:242)
at info.magnolia.rendering.engine.DefaultRenderingEngine.render(DefaultRenderingEngine.java:114)
at info.magnolia.rendering.engine.DefaultRenderingEngine$$EnhancerByCGLIB$$e58573c.render(<generated>)
at info.magnolia.rendering.engine.RenderingFilter.render(RenderingFilter.java:195)
at info.magnolia.rendering.engine.RenderingFilter.handleTemplateRequest(RenderingFilter.java:140)
at info.magnolia.rendering.engine.RenderingFilter.doFilter(RenderingFilter.java:94)
at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79)
at info.magnolia.rendering.model.ModelExecutionFilter.doFilter(ModelExecutionFilter.java:109)
at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:59)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79)


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