Misha Doronin created CAY-2033:
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Summary: Specifying filter name in web.xml not starting with
"cayenne-" ends up with an obscure error HTTP Status 500 - DataRowStore name
can't be null
Key: CAY-2033
URL: https://issues.apache.org/jira/browse/CAY-2033
Project: Cayenne
Issue Type: Bug
Components: Core Library, Documentation
Affects Versions: 3.1
Reporter: Misha Doronin
Priority: Minor
In version prior to 3.1 it was possible to specify an arbitrary filter-name in
web.xml and 3.0 documentation uses <filter-name>CayenneFilter</filter-name> as
an example.
When upgrading to Cayenne 3.1, if a user keeps the naming in web.xml and
renames instead cayenne-project.xml into CayenneFilter.xml he will get an
obscure error "HTTP Status 500 - DataRowStore name can't be null".
(Stack trace:
java.lang.IllegalArgumentException: DataRowStore name can't be null.
org.apache.cayenne.access.DataRowStore.<init>(DataRowStore.java:101)
org.apache.cayenne.access.DataDomain.nonNullSharedSnapshotCache(DataDomain.java:367)
org.apache.cayenne.access.DataDomain.getSharedSnapshotCache(DataDomain.java:355)
org.apache.cayenne.configuration.server.DataContextFactory.createdFromDataDomain(DataContextFactory.java:108)
org.apache.cayenne.configuration.server.DataContextFactory.createContext(DataContextFactory.java:56)
org.apache.cayenne.configuration.web.SessionContextRequestHandler.requestStart(SessionContextRequestHandler.java:70)
org.apache.cayenne.configuration.web.CayenneFilter.doFilter(CayenneFilter.java:105)
)
It should be specified in the 3.0 to 3.1 upgrade guide, as well as in the 3.1
documentation, that the name of the filter in web.xml must start with
"cayenne-".
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