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From "Pavel Tiunov (JIRA)" <j...@apache.org>
Subject [jira] Created: (FELIX-902) Empty bundle.state file produces NPE
Date Tue, 27 Jan 2009 16:16:59 GMT
Empty bundle.state file produces NPE
------------------------------------

                 Key: FELIX-902
                 URL: https://issues.apache.org/jira/browse/FELIX-902
             Project: Felix
          Issue Type: Bug
          Components: Framework
    Affects Versions: felix-1.0.4
            Reporter: Pavel Tiunov
            Priority: Critical


If I have empty bundle.state file in Felix cache then exception is thrown while bundle start:
java.lang.NullPointerException
            at org.apache.felix.framework.cache.BundleArchive.getPersistentState(BundleArchive.java:315)
            at org.apache.felix.framework.Felix.start(Felix.java:776)

But if i delete bundle.state then no exception is thrown and org.apache.felix.framework.cache.BundleArchive#getPersistentState
returns 'Installed' state.
The exception is thrown because string comparsions in org.apache.felix.framework.cache.BundleArchive#getPersistentState
do not respect java.io.BufferedReader#readLine's null return value if file is empty. Also
there is a bug in org.apache.felix.framework.cache.BundleArchive#setPersistentState that can
produce not persistent state of cache by creation of empty bundle.state file.

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