The Bundle Provider MUST NOT uninstall resources if a Bundle is STOPED
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Key: STANBOL-464
URL: https://issues.apache.org/jira/browse/STANBOL-464
Project: Stanbol
Issue Type: Bug
Components: Commons
Reporter: Rupert Westenthaler
Assignee: Rupert Westenthaler
The Bundle Provider adds support to the Apache Sling OSGI Installer Framework
that installs Resources provided by OSGI Bundles.
Currently Bundle Events are processed like follows:
* STARTED: all installable resources will be installed
* STOPPED: all installable resource will be uninstalled
* UPDATED: all installable resources will be first uninstalled and than
installed
The issue is with uninstalling resources if a Bundle is STOPPED because this
event is also sent for all bundles if the OSGI Environment is shutting down.
The affected resources will be installed again on the next start however this
behavior is not intended and can cause a lot of side effects such as that
Services that are created by installed configurations will get different
Service PIDs on every restart.
To solve this uninstalling of resources MUST only be performed if a Bundle is
UNINSTALLED. This event is only sent if a Bundle is programmatic or manually
removed form the OSGI environment and can be never sent by a normal life cycle
activity.
Thanks to David Riccitelli in helping me to identify this as source for a lot
of hart to track down bugs within Stanbol.
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