what is that ur doing with the
r.exec(pos); there is no system calls going there
#-----------------------------------------------------------------------#
# #
# "ARISE AWAKE and stop not till the GOAL is reached" #
# #
# [EMAIL PROTECTED] #
#-----------------------------------------------------------------------#
On Fri, 13 Aug 1999, Alvaro Fuentes wrote:
> We have a servlet which receives a file using MultipartRequest. It works
> saving the file on server's file-system, and makes a system call to
> 'chmod' and 'chown' to change the file's permissions:
>
> //saves the file retrieved
> outFile.renameTo(new File(completeFileName));
> String[] order = new String[4];
> order[0] = "chmod";
> order[1]="-f";
> order[2]="644";
> order[3]=completeFileName;
> //calls the function ejecuta to make the system call
> ejecuta(order);
> order[0]="chown";
> order[1]="-f";
> order[2]="db2inst1:db2iadm1";
> order[3]=completeFileName;
> //call ejecuta again
> ejecuta(order);
>
> ..........
> public void ejecuta(String[] ops) {
> java.lang.Runtime r = java.lang.Runtime.getRuntime();
> try {
> java.lang.Process p = r.exec(ops);
> } catch (IOException x) {}
> }
>
> The problem is r.exec is throwing NoClassDefFoundError. If I comment the
> line which creates the process it works fine.
> Could it be a memory problem in server? (I think if server is not
> capable of creating a new process, it should throw IOException, not
> NoClassDefFoundError). If I put Class.forName("java.lang.Process") at
> the end of servlet code, it doesn't throw ClassNotFoundException, so
> it's not a JVM configuration problem.
> Any idea? Is there a more ellegant way of making the same thing,
> whithout system calling?
>
> Sorry if this is a little bit off-topic.
> Thaks.
>
> ___________________________________________________________________________
> To unsubscribe, send email to [EMAIL PROTECTED] and include in the body
> of the message "signoff SERVLET-INTEREST".
>
> Archives: http://archives.java.sun.com/archives/servlet-interest.html
> Resources: http://java.sun.com/products/servlet/external-resources.html
> LISTSERV Help: http://www.lsoft.com/manuals/user/user.html
>
___________________________________________________________________________
To unsubscribe, send email to [EMAIL PROTECTED] and include in the body
of the message "signoff SERVLET-INTEREST".
Archives: http://archives.java.sun.com/archives/servlet-interest.html
Resources: http://java.sun.com/products/servlet/external-resources.html
LISTSERV Help: http://www.lsoft.com/manuals/user/user.html
