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https://issues.apache.org/jira/browse/JCS-194?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Thomas Vandahl closed JCS-194.
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Close after release
> NullPointerException in IndexedDiskCache.addToRecycleBin(...)
> -------------------------------------------------------------
>
> Key: JCS-194
> URL: https://issues.apache.org/jira/browse/JCS-194
> Project: Commons JCS
> Issue Type: Bug
> Components: Indexed Disk Cache
> Affects Versions: jcs-2.2
> Reporter: Benedikt Köppel
> Assignee: Thomas Vandahl
> Priority: Major
> Fix For: jcs-3.0
>
> Attachments: jcsbug.tgz
>
>
> *Note**:* this is not the same as
> https://issues.apache.org/jira/browse/JCS-158, which has already been fixed
> in the jcs-2.2 version used here.
> With the attached mini-project, we get a NullPointerException when the cache
> is loaded from disk:
> {code:java}
> java.lang.NullPointerException
> at
> org.apache.commons.jcs.auxiliary.disk.indexed.IndexedDiskCache.addToRecycleBin(IndexedDiskCache.java:1145)
> at
> org.apache.commons.jcs.auxiliary.disk.indexed.IndexedDiskCache$LRUMapSizeLimited.processRemovedLRU(IndexedDiskCache.java:1738)
> at
> org.apache.commons.jcs.auxiliary.disk.indexed.IndexedDiskCache$LRUMapSizeLimited.processRemovedLRU(IndexedDiskCache.java:1637)
> at
> org.apache.commons.jcs.utils.struct.AbstractLRUMap.put(AbstractLRUMap.java:344)
> at
> org.apache.commons.jcs.auxiliary.disk.indexed.IndexedDiskCache$LRUMapSizeLimited.put(IndexedDiskCache.java:1685)
> at
> org.apache.commons.jcs.auxiliary.disk.indexed.IndexedDiskCache$LRUMapSizeLimited.put(IndexedDiskCache.java:1637)
> at
> org.apache.commons.jcs.utils.struct.AbstractLRUMap.putAll(AbstractLRUMap.java:187)
> at
> org.apache.commons.jcs.auxiliary.disk.indexed.IndexedDiskCache.loadKeys(IndexedDiskCache.java:339)
> at
> org.apache.commons.jcs.auxiliary.disk.indexed.IndexedDiskCache.initializeStoreFromPersistedData(IndexedDiskCache.java:285)
> at
> org.apache.commons.jcs.auxiliary.disk.indexed.IndexedDiskCache.initializeKeysAndData(IndexedDiskCache.java:250)
> at
> org.apache.commons.jcs.auxiliary.disk.indexed.IndexedDiskCache.<init>(IndexedDiskCache.java:183)
> at
> org.apache.commons.jcs.auxiliary.disk.indexed.IndexedDiskCacheFactory.createCache(IndexedDiskCacheFactory.java:60)
> at
> org.apache.commons.jcs.auxiliary.disk.indexed.IndexedDiskCacheFactory.createCache(IndexedDiskCacheFactory.java:33)
> at
> org.apache.commons.jcs.engine.control.CompositeCacheConfigurator.parseAuxiliary(CompositeCacheConfigurator.java:500)
> at
> org.apache.commons.jcs.engine.control.CompositeCacheConfigurator.parseRegion(CompositeCacheConfigurator.java:261)
> at
> org.apache.commons.jcs.engine.control.CompositeCacheConfigurator.parseRegion(CompositeCacheConfigurator.java:161)
> at
> org.apache.commons.jcs.engine.control.CompositeCacheConfigurator.parseRegions(CompositeCacheConfigurator.java:136)
> at
> org.apache.commons.jcs.engine.control.CompositeCacheManager.doConfigure(CompositeCacheManager.java:490)
> at
> org.apache.commons.jcs.engine.control.CompositeCacheManager.configure(CompositeCacheManager.java:441)
> at
> org.apache.commons.jcs.engine.control.CompositeCacheManager.configure(CompositeCacheManager.java:391)
> at
> org.apache.commons.jcs.engine.control.CompositeCacheManager.configure(CompositeCacheManager.java:373)
> at
> org.apache.commons.jcs.engine.control.CompositeCacheManager.configure(CompositeCacheManager.java:362)
> at
> org.apache.commons.jcs.engine.control.CompositeCacheManager.getInstance(CompositeCacheManager.java:190)
> at
> org.apache.commons.jcs.engine.control.CompositeCacheManager.getInstance(CompositeCacheManager.java:161)
> at org.apache.commons.jcs.JCS.getCacheManager(JCS.java:172)
> at org.apache.commons.jcs.JCS.getInstance(JCS.java:190)
> at ch.locatee.test.App.main(App.java:18)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at org.codehaus.mojo.exec.ExecJavaMojo$1.run(ExecJavaMojo.java:282)
> at java.lang.Thread.run(Thread.java:748)
> {code}
>
> This does not happen if (in my mini project), all the objects are the same
> size. It seems like the _last_ element inserted into the cache has to be much
> bigger.
>
>
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