Marshall Schor created UIMA-5721:
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Summary: uv3 cache some logging info
Key: UIMA-5721
URL: https://issues.apache.org/jira/browse/UIMA-5721
Project: UIMA
Issue Type: Improvement
Components: Core Java Framework
Reporter: Marshall Schor
Assignee: Marshall Schor
Fix For: 3.0.0SDK
Messages which get "bundles" currently look up the bundle resource using Java's
mechanisms, and a special class loader. The Java mechanisms look up the
bundles in multiple bundle names - using suffixes for locales. The special
class loader does 3 kinds of searching (if not found in the current class
loader): 1) for UIMA Resources, it uses a resource-specific classpath (see
UIMA-3692, UIMA-4793 ), and the thread local (if one is present) and then it
looks up the call stack and uses any found class loader associated with the
call stack frames. This can be quite expensive.
Update the localizeMessage in I18nUtil to cache the resource bundle (by
thread), and avoid this lookup for every message.
When a lookup is done, change the order of the special class loader to move the
look-up-the-call-stack to follow the other two (using the Resource-specified
classloader, using the threadLocal classloader).
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