I have a large physical file downloaded to my server. I'd like to cache the
file so that my program can read faster. I've configured JCS properly. I
can see the "mycache.key" and "mycache.data" files are updated every time I
use a string for both a key/value pair. But how can I put a physical file
into cache? Right now, I use an "FileInputStream" object to read the file,
and put into the cache.
FileInputStream input = new FileInputStream(file);
cache.put(input);
This seems to go thru without prompting any error message. But when I
tried to retrieve it, I got a message "java.lang.NullPointerException" when
cache.get(key);
I can see the mycache.key file updated, but can NOT see any updates in
mycache.data file by looking at the timestamp.
Any guru can show me what I may do wrong? Or do you have any sample code
to do this? Thanks a lot in advance.
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