On 08/06/2010 15:03, kitikat wrote: > > Hello, > I have been searching a solution for my problem and I haven't found an > answer, so I decided to write here. I have a system, consisting of J2EE > (Spring) server-side LifeCycle Data Services for my Adobe Flex client > application. Synchronization of files plays a major role in that system - I > repeatedly call in flex one remote method from my Spring services > (downloadPhoto) and that method returns the content of requested file - from > 10 to 1000 KB. > Unfortunately, from time to time, the whole process is broken during > downloading one of the photos. It happens to different photos; they have > different size, etc. After successful sending request for a photo there is > 20 seconds' long period of time, and then Tomcat returns http code: 0 (I've > used Charles 3.5.1 to analyse http request/response - request is ok). I
Chuck is *software*!? It sounds like a timeout, rather than an empty response. Please remove all comments and any passwords from your server.xml and post it here. > don't have any other information about response. I've checked that this > situation occurs _before_ my java method code is executed. So it happens > between accepting my request and calling my code. Server's performance (it's > VPS) is rather good (there's 50 MB memory free and a lot of cached; there's > plenty of hard disk space and top/load don't reveal any CPU strain). Of 50Mb free isn't a meaningful number. More useful to know how much memory the JVM is currently using and what it's heap is configured to use. > course there is no trace of any bugs in logs (catalina.out and others). I > suppose that it might be a bug in Tomcat, but maybe some of you have > experienced similar problems? If you think it's a bug in Tomcat, you could try using the latest release instead of an older one. p > I'm looking forward to hearing from you. > Best regards, > Kitikat
signature.asc
Description: OpenPGP digital signature
