Rupert Westenthaler created STANBOL-1239:
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Summary: EngineTracker and ChainTracker should lazily start
tracking
Key: STANBOL-1239
URL: https://issues.apache.org/jira/browse/STANBOL-1239
Project: Stanbol
Issue Type: Improvement
Reporter: Rupert Westenthaler
Assignee: Rupert Westenthaler
Priority: Minor
In the trunk version there are some NPE caused by the OSGI service factory
returning null. This is cause by ServiceTrackers that are opened within the
activate method. While those NPE do not have any functional consequences (OSGI
is catching them and will repeat calls to addService(..) later on) they can be
easily avoided by only start tracking on the first request to the EngineTracker
and ChainTracker methods.
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