NullPointerException may be thrown if asynchronous bundle update fails
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Key: FELIX-3284
URL: https://issues.apache.org/jira/browse/FELIX-3284
Project: Felix
Issue Type: Bug
Components: Web Console
Affects Versions: webconsole-3.1.8
Reporter: Felix Meschberger
Assignee: Felix Meschberger
Fix For: webconsole-3.2.0
If the web console bundle gets restarted while a bundle is being updated in the
BaseUpdateInstallerHelper thread and an exception happens during the update,
the log message cannot be written causing a NullPointerException. This
factually hides the actual problem.
The fix is to catch any exception when trying to log the message and just write
the error to std err to at least get some indication of problems.
One such potential situation is failing to update the web console bundle itself
(e.g. due to missing dependencies)
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