Re: Tomcat can't 'see' new files

From:
Michael Jung <miju@golem.phantasia.org>
Newsgroups:
comp.lang.java.programmer
Date:
Sun, 15 Mar 2009 17:20:54 +0100
Message-ID:
<8763iarc49.fsf@golem.phantasia.org>
"John B. Matthews" <nospam@nospam.invalid> writes:

In article <87ab7nqd2u.fsf@golem.phantasia.org>,
 Michael Jung <miju@golem.phantasia.org> wrote:

[...]

This is the code:

 try {
     long t = System.currentTimeMillis();
     Writer w = new BufferedWriter(
         new FileWriter(myDir + t + ".html"));
     String f = ...
     w.write(f);
     w.flush();
     w.close();
 }
 catch (IOException e) {
     e.printStackTrace();
 }

What I will do then is ls in myDir and paste the <t>.html into a
browser -> not served. (BTW, repeated calls to the above will
create new temporary files. The first one is still not served.)

Is it possible for this code to be called fast enough to create
duplicate names? I don't quite see how it could be a problem here, but
I've seen it in other contexts on a sufficiently fast machine or a
sufficiently low resolution timer[1]. Perhaps you might try
System.nanoTime() and see?


Not a problem in this context. (The proper way to do this is
File.createTempFile, I know.)

Michael

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