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Out of memory error while writing to a file

 
Greenhorn
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Hi,

I am getting an out of memory error while writing the contents from a text file to another. The scenario is, the input file will have several columns and the output file consists some of the columns info from i/p file. There are about 1000000 records in the i/p file. When I am trying to write to the o/p file record by record, its throwing an out of memory exception. Can somebody help me out in this.

Regards,
Ram
 
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You must be accumulating data somewhere. Are you putting records into some Collection like an ArrayList? Can you show us a small piece of code that exhibits this behavior?
 
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If you have a big file (as it is in your case) u canot read/write it into the existing i/o streams. All you have to do is break it into chunks of bytes and then read/write whatever..
 
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