"Campbell, Sean" wrote:
> Hello all,
>
> I'm attempting to have a separate class loaded by my session servlet
> initially create an error log file to output any errors that occur in the
> servlet or other supporting classes. I've debugged it and isolated the
> problem to be the actual 'createNewFile()' method to be the culprit. I can
> run the code with no problems using servletrunner from my local machine - I
> can make my remote data connections as well as create the log file. But when
> the servlet is placed on the server, the servlet hangs at the file creation
> point. Since this is my error log, I don't have much as far as error msgs to
> pass along, but a thought I did have was that there might be some sort of
> security issue here in trying to create a new file through my servlet. Any
> thoughts?
>
The most likely cause is that you don't have write access to the current
working directory in which the servlet engine is running (this is usually "/"
on Unix-based Apache installs where JServ is started automatically, but it can
be changed). This is important because you are using a simple filename instead
of an absolute path. Change "testfile.txt" to "/tmp/testfile.txt" or some
other path which you have write access to, and try again.
Another possible cause for problems, if you are running JDK 1.2, is that you
might be getting a permissions exception. In this case, you will need to set
up a Java security policy that allows you to write files in the directory you
specify -- even if the OS lets you write there.
In either case, the text of the error message produced by the exception will
tell you more about what's really going on -- you should write it to someplace
visible (such as System.out.println()). For instructions on how to determine
where this output goes with Apache JServ, see the server configuration
documentation, or the FAQ-O-MATIC at http://java.apache.org for more
information.
Craig McClanahan
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