[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-3248) org.hibernate.cache.EhCache.toMap() throws NullPointerException
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http://opensource.atlassian.com/projects/hibernate/browse/HHH-3248?page=c...
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Philippe Girolami commented on HHH-3248:
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I am seeing the same issue on 3.2.5 with the following setup (for testing purposes)
<cache
name="mycache"
maxElementsInMemory="50"
eternal="false"
timeToIdleSeconds="60"
timeToLiveSeconds="60"
overflowToDisk="false"
maxElementsOnDisk="0"
diskPersistent="false"
diskExpiryThreadIntervalSeconds="120"
memoryStoreEvictionPolicy="LRU"
/>
and a servlet to dump that cache attached.
Just use this config on any project you have, you'll see it happen : load an entity.
Let it rest for 2 minutes and run the cache Dump
org.hibernate.cache.EhCache.toMap() throws NullPointerException
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Key: HHH-3248
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-3248
Project: Hibernate3
Issue Type: Bug
Components: caching (L2)
Affects Versions: 3.2.6
Reporter: Kenny MacLeod
The toMap() method of org.hibernate.cache.EhCache is not null-safe. The expression
cache.get( key ).getObjectValue()
Will throw a NPE, since get(key) may return a null in cases where the key exists in the
cache, but the value does not, e.g. if it has expired.
This should either check for the null, or the list of keys should be obtained using
getKeysWithExpiredCheck(), rather than just getKeys().
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