Bulk upload and Java servlets

Question

What is the best way to upload a CSV file through a Java servlet on machine A that gets generated on Machine B?

luiscolorado · Accepted Answer · 2010-08-02 21:38:29Z

1

Compress the file. Compression typically reduces by 90% the size of CSV files.
If allowed, use ftp or sftp. There are many apache libraries to do that.
If ftp not allowed due to security concerns, you might want to use any of the Apache libraries httpclient and httpcore to "POST" the file to your server in B.

answered Aug 2, 2010 at 21:38

luiscolorado

1,4992 gold badges16 silver badges23 bronze badges

Sign up to request clarification or add additional context in comments.

3 Comments

Is POST used for large files?

Yes. Unfortunately, there is no standard limit for HTML 4, AFAIK. In any case, POST allows you to send more data than GET.

in case of GET method we can have only 256 charectors send over the url but in case of POST it has no limit

Community · Accepted Answer · 2017-05-23 10:26:49Z

0

If you mean CSV generated on machine B, servlet running on machine A:

process on machine B generates CSV file (or detects it has been generated) then does a http post to push the CSV to the servlet. This can be done in java or any system you like since you're servlet is just expecting HTTP. Here is a Java example. or,
you could mount a common folder so that machine A and machine B can see the file, and the servlet could periodically check for the file. Since you've said "upload" you probably mean option 1.

CommunityBot

11 silver badge

answered Aug 3, 2010 at 3:09

Paul Jowett

6,5712 gold badges26 silver badges19 bronze badges

Can Perl scripts execute HTTP POSTs?

Yes (search.cpan.org/~gaas/libwww-perl-5.836/lib/Net/HTTP.pm), If Perl is a part of your requirements you should state that in your initial post.