Alexander Malyshev created JCS-156:
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Summary: BlockDiskCache is limited to 2GB.
Key: JCS-156
URL: https://issues.apache.org/jira/browse/JCS-156
Project: Commons JCS
Issue Type: Bug
Components: Composite Cache
Affects Versions: jcs-2.0-beta-1
Reporter: Alexander Malyshev
There is a bug in BlockDiskCache which makes it limited to 2GB in size. If I
try to write more, I'm getting the following exception:
Exception in thread "CacheEventQueue.QProcessor-sliderCache"
java.lang.IllegalArgumentException: Negative position
at sun.nio.ch.FileChannelImpl.write(FileChannelImpl.java:754)
at
org.apache.commons.jcs.auxiliary.disk.block.BlockDisk.write(BlockDisk.java:216)
at
org.apache.commons.jcs.auxiliary.disk.block.BlockDiskCache.processUpdate(BlockDiskCache.java:394)
at
org.apache.commons.jcs.auxiliary.AbstractAuxiliaryCacheEventLogging.updateWithEventLogging(AbstractAuxiliaryCacheEventLogging.java:65)
at
org.apache.commons.jcs.auxiliary.disk.AbstractDiskCache.doUpdate(AbstractDiskCache.java:804)
at
org.apache.commons.jcs.auxiliary.disk.AbstractDiskCache$MyCacheListener.handlePut(AbstractDiskCache.java:662)
at
org.apache.commons.jcs.engine.AbstractCacheEventQueue$PutEvent.doRun(AbstractCacheEventQueue.java:350)
at
org.apache.commons.jcs.engine.AbstractCacheEventQueue$AbstractCacheEvent.run(AbstractCacheEventQueue.java:269)
at
org.apache.commons.jcs.engine.CacheEventQueue$QProcessor.run(CacheEventQueue.java:304)
The reason is that method calculateByteOffsetForBlock returns int instead of
long.
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