Markus Jung created TOMEE-4642:
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Summary: Deployment fails when a war lists a servlet or filter
class it does not package
Key: TOMEE-4642
URL: https://issues.apache.org/jira/browse/TOMEE-4642
Project: TomEE
Issue Type: Bug
Components: TomEE Core Server
Reporter: Markus Jung
h2. Summary
TomEE stops the whole web context when a war names a servlet or filter class
the war does not contain.
h2. Description
When a war's deployment descriptor or annotation names a servlet or filter
class, but the class is not in the war, TomEE aborts startup of the whole
context. Two Jakarta Servlet TCK deployments trigger this: the pluggability
{{RegistrationTests}} deployment names filter {{AddFilterString}}, and the spec
{{DefaultMappingTests}} deployment names servlet {{TestServlet1}}. Neither
class ships in its war.
Both contexts fail to start. Every test method in both classes then errors,
since each method needs a working deployment URL and gets none.
The Servlet 6.1 spec calls for strict checks on registered components, but a
missing class should not bring down the full context. The current behaviour
treats a single unresolved servlet or filter reference as fatal to the whole
deployment, when the failure should stay local to that class.
h2. Steps to reproduce / TCK reference
* TCK test classes: {{RegistrationTests}} (Jakarta Servlet TCK, pluggability),
{{DefaultMappingTests}} (Jakarta Servlet TCK, spec)
* Deploy the wars used by these classes; each names a servlet or filter class
it does not package ({{AddFilterString}} for {{RegistrationTests}},
{{TestServlet1}} for {{DefaultMappingTests}})
* Result: context startup fails, all methods in both classes error on the
missing deployment URL
* Currently excluded in: {{runner-standalone/exclusions/servlet.txt}} (2 class
entries, 12 methods) in the apache/tomee-tck harness repo.
* Remove the exclusion entries once fixed and confirm both classes pass
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