Receiving large amount of data effectively in Java Servlets

Question

I am getting a large amount of data from an HTML form, using POST method.

req.getParameter();

returns the value as String, but I am getting a value that is so large that it needs StringBuilder.

What do I do ?

How much large? When i've tested it last time (it was 2003), String has been working fine for strings up to 160mb — Igor Artamonov, Apr 15 '12 at 15:04
@IgorArtamonov Can String really hold THAT big a value ?? i am working with 1~2mb — HackToHell, Apr 15 '12 at 15:38
1-2mb must be not a problem. Anyway, you can use `request.getInputStream()`, as Torius have suggested — Igor Artamonov, Apr 15 '12 at 16:25

score 2 · Accepted Answer · edited May 23 '17 at 12:01

2

There seem to be various limits, depending on servlet implementation, of POST parameter sizes. See

Tomcat POST parameter limit (default 2mb)

Setting Jetty POST parameter limits (default <200k)

GAE servlet container is based on Jetty 6, but concrete implementation limitations are AFAIK not known. Google guys, anyone got some concrete numbers on max POST parameter size?

edited May 23 '17 at 12:01

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answered Apr 15 '12 at 19:16

Peter Knego

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Receiving large amount of data effectively in Java Servlets

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