The idem­po­tent re­ceiv­er myth

In an at­tempt to 'in­crease per­for­mance', many peo­ple will try to hack around in JMS - there­by falling into the idem­po­tent re­ceiv­er trap by check­ing for du­pli­cate mes­sage re­ceipt. The con­se­quence: scal­a­bil­i­ty ac­tu­al­ly de­grades!

For­tu­nate­ly, the best way to en­joy re­li­able mes­sag­ing is also the sim­plest one, and it scales lin­ear­ly.