Driver WiFi, the ulcer and heart attack

I was struggling with wifi for awhile.  To say the least, the wifi is unpredictable.

Just try the homepage of builtin browser Blackberry is a fifty fifty chns to get:

-Unable to connect to the internet, please try again later

or someother error on DNS error

Thus, in order to manage this erratic behavior, I divided the download of the file into 4 blocks

-Check what suffix of connection are available and try first wifi

-Get the HTTP connection

-Submit PostData

-Get water courses

These four blocks are in a main loop which can run three times. If a block is successful the next block is tried. If one breaks down block performs an iteration of the loop but the success blocks is not re-run.

Each block is in a try/catch loop that can work for three iterations in case of failure.

So there are in total 4 x 3 x 3 = 36 theoretical attempts to get the file.

Sometimes it works and sometimes it isn't. When it works, there are usually about 10 attempts at different stages.

I use a phone that does not have an internet connection

with the supplier. On another phone where internet is provided by the carriwer, everything works perfectly, it's a problem of wifi only.

Error occurs in several stages, it is not specifically related to a specific block. This problem is present 4.5 running all the way up to 6.0. Even the test to get the suffix connection sometimes fails even if wifi is available.

It's really a nightmare!

It is a large commercial project that has other people who work on all major platforms. It is a very specific problem with the Blackberry.  Is there anyone working on a serious business project that relies on wifi?

My wifi network is reliable and have given me no problem on 3 computers connected.

I really don't know what to do with this problem.

Problem solved in part.

The wifi router I use and 3 computers is very much a Draytek Vigor 2100V.  I plugged another wifi Netgear WNR 2000 router that was laying around.

Most of the problems have disappeared.

Why? No idea.   All routers are not created equal, I guess that

I keep not very sophisticated scheme that I try again. If everything works reasonably well it doesn't hurt

Tags: BlackBerry Developers

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