MS4W 3.0.6 FREE DOWNLOAD

For a starting checklist consult the Mapserver FAQ, which has an entry just for thread safety. The MapServerHelper class object i. This helped reduce the tomcat crashing issue. Home Questions Tags Users Unanswered. From a performance point of view there is no significant overhead, but the latter approach is critical for stability.

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Sign up using Facebook. It should report the features that have been enabled at build time, something like the following: To avoid thread issues, you can create all mapserver objects inside the given method, m4w using it in a servlet.

Missing to set some properties on objects, like layer type, can push you into some of those crashes. For a starting checklist consult the Mapserver FAQ, which has an entry just for thread safety. Shiva Shiva 35 6 6 bronze badges. Sign up using Email and Msw4. You can try check for Mapserver Error instances benn throw in a catch block.

I have no direct experience with MS4W but Mapserver can be used safely in threaded environments, provided that some simple precautions are taken. The best answers are voted up and rise to the top. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

MS4W - MapServer 4 Windows - version 3.0.6

By looking at MS4W build notes it seems like thread safety ought to be supported, but you can check for yourself as follows:. Can you suggest a better way to create and use mapObj in a thread-safe way? Will making the method declarations in edu.

How to fix this? It should report the features that have been enabled at build time, something like the following:.

It only takes a minute to sign up. I have used successfully Java mapscript myself in many web apps.

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This helped reduce the tomcat crashing issue. This will be your last chance to log some mapserver reported message. By looking at MS4W build notes it seems like thread safety ought to be supported, but you can check for yourself as follows: Say a thread from one request is doing zoomIn and another thread request comes in for pan at the same time the mapObj property is accessed by both the requests and tomcat crashes.

Home Questions Tags Users Unanswered.

MS4W Release History — MS4W documentation

Unicorn Meta Zoo 9: Email Required, but never shown. Sign up to join this community. Attached is log file ms4 in E: Post as a guest Name. How do we handle problem users? Just search the mailing lists for java mapscript, you should find plenty of references. Is there any particular way to create thread-safe mapObj and using it? The GIS application has polygon,line and point spatial layers. I have a common mapObj with all its properties like mapHeightmapWidthboundingBox coords shared by different mapping functionality methods such as zoom-in,zoom-out,pan,fullExtent,etc.