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https://issues.apache.org/jira/browse/JCS-74?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thomas Vandahl resolved JCS-74.
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Resolution: Fixed
Fix Version/s: jcs-1.4-dev
Duplicate
> Some data may be lost when adding/removing entries with the same key
> --------------------------------------------------------------------
>
> Key: JCS-74
> URL: https://issues.apache.org/jira/browse/JCS-74
> Project: JCS
> Issue Type: Bug
> Components: Indexed Disk Cache
> Reporter: Alexander Sofronov
> Assignee: Aaron Smuts
> Fix For: jcs-1.4-dev
>
>
> I see this problem in jcs-1.3.3.5-RC.jar.
> When adding/removing data to IndexedDiskCache some data may be lost.
> Consider the following sample:
> cache.put("key", "value1");
> cache.put("key", "value2");
> cache.put("key", "value3");
> After running this code the cache often stores only "value1", other values
> may be lost. It looks like this is caused by asynchronous cache update
> mechanism, adding some pause (say Thread.sleep(100)) between different puts
> fixes the problem.
> Also (it may be another bug actually) it could happen that the following code
> will not write any data to the cache:
> cache.put("key", "value1");
> cache.remove("key");
> cache.put("key", "value2");
> This happens non-deterministically on my machine, in case of problems with
> reproducing this try put some other data before this test to make the queue
> longer.
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