OS: Windows 2000
Product: JRE 1.4.2_03

Problem:
Files in PlugIn cache are deleted on machine with a lot available memory and unlimited
cache size. It seems that the cleaner thread uses 50M for limitation and ignores the actual setting.
It happens on JRE1.4.2_02 and 1.4.2_03.

Test case
The problem occurs as a result of having the Cache Details Window from the Java
Plug-in Control Panel open for more than a minute. Here are the steps:

1) Close all instances of the Java Plug-in Control Panel.
2) Navigate an URL to install 100+ MB of JARs:
3) Open the Java Plug-in Control Panel.
4) Select the Cache Tab and click View, leave it open.
5) After 1 minute the cache will be reduced to less than 50 MB.
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