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Posts tagged http
Closure in Java: fast and nice!
Feb 26th
This entry is part 7 of 7 in the series Programming Languages
I have decided to re-cook this subject, adding a my specialized Example also.
Let’s start!
Erlang Book Review
Jul 19th
This entry is part 2 of 7 in the series Programming Languages
After reading an interesting article on Erlang and Java interoperability, I have decided to dedicate my spare time to Erlang.
O’Reilly has just published a wonderful book on Erlang, so I decided to dive into it.
Evolving concurrency, like memory management did
Jun 11th
As processors become faster and multiprocessor systems become cheaper, the need to take advantage of multithreading in order to achieve full hardware resource utilization only increases the importance of being able to incorporate concurrency in a wide variety of application categories.
In this article we are evaluting a new approach to the concurrency. In the last five years computers are becoming even more parallel. Intel is pushing multi-core achiteture also on commodity personal computers. Neverless the computing power is ofter not well used: one again, hardware is a step head of our day-by-day software development. Remember when the 80286 came into More >
Java HttpClient and Load Balancer bad interactions
May 21st
Working for a very big customer, I found a very nasty interaction between Sun HttpClient (JDK 1.4) and Http Load Balancers.
In a complex network environment, sometimes you can experience low level TCP/IP comunication errors, because sometimes HttpClient get confused and hangs.
The bad behavior of Sun HttpClient is well known: some guys suggested me to use the Axis Web Client. Anyway you can solve the issue adding these three parameters to the JVM launch line
-Dsun.net.client.defaultConnectTimeout=5000 -Dsun.net.client.defaultReadTimeout=5000 -Dhttp.keepAlive=false
The first two parameters set globally the socket timeout to 5 seconds. The last parameter forces the JVM to avoid reusing http connections when doing More >
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