Re: new FileWriter hangs


mattias wrote:
> Hello. I have a java program where I repeatedly write to a log file,
> and at random times (typically after 100.000 writes or so) the program
> just hangs. I've found that this happens while executing a 'new
> FileWriter' command. I only have one thread writing to the file,
> there's no exceptions thrown or anything, the CPU usage just goes to
> zero and then nothing happens at all. Meanwhile, the log file remains
> globally locked for writing, i.e. I can't delete it in Explorer without
> first killing my java program. I experience this bug on a dual xeon
> processor machine, running Windows Server 2003 and java version
> 1.5.0_04.
>
> Here's the code, it hangs while executing the very first line of code:
>
> FileWriter fileWriter = new FileWriter("log.txt", true);
> BufferedWriter buffWriter = new BufferedWriter(fileWriter);
> buffWriter.write(message);
> buffWriter.newLine();
> buffWriter.close();
>
> If anyone has any ideas why this happens, please let me know. I guess
> in this case I could leave the file open at all times to avoid this,
> but I would be more interested to know the cause of it.
>
> Mattias

.

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