Java program hangs on new PrintWriter
From: Oz Levanon (oz.levanon_at_philips.com)
Date: 02/29/04
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Date: 29 Feb 2004 01:38:45 -0800
Hi.
I have a java program running on linux (Redhat 9, Java 1.4.2, build
1.4.2-b28).
The program periodically accesses a file on the hard disk using the
following code:
FileOutputStream fos = new FileOutputStream(filename);
PrintWriter pw = new PrintWriter(fos);
// ...
// writes stuff to the file.
// ...
pw.close();
fos.close();
Every now and then (sometimes after hundreds of times, sometimes after
less) the program hands. I can see from debug prints I've added that
it is stuck after the new FileOutputStream(filename) and before the
new PrintWriter(fos);
The program doesn't exit (and no throwable is thrown) but rather stays
up and running, but never gets past this line.
Does anyone have any idea what could cause a program to hang in this
line? Can anything on linux be done to a file that will cause a
program trying to access it hang?
TIA, oz.
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