topic ExportMap Returns Path to Deleted Temporary File in ArcGIS REST APIs and Services Questions https://community.esri.com/t5/arcgis-rest-apis-and-services-questions/exportmap-returns-path-to-deleted-temporary-file/m-p/161215#M792 <HTML><HEAD></HEAD><BODY><SPAN>When calling </SPAN><A href="http://help.arcgis.com/en/arcgisserver/10.0/apis/rest/export.html">ExportMap</A><SPAN> with a JSON return format, an HREF field is included with a URL to the image you requested.&nbsp; After a configured amount of time (maxFileAge), that temp file is deleted.&nbsp; Now after that temp file is deleted, if I call the original query url again I receive a JSON message with the exact HREF field value as in the previous call and navigating to that url returns a 404 file not found error.</SPAN><BR /><BR /><SPAN>BTW, I am calling to the </SPAN><A href="http://www.arcgis.com/home/item.html?id=10df2279f9684e4a9f6a7f08febac2a9">World Imagery</A><SPAN> service so I have no control over changing server parameters.&nbsp; I am assuming maxFileAge is set to about 5 minutes and I am receiving the same href url up to 60 minutes after the first query.&nbsp; After 60 minutes, I get a new href url with a valid image (again for only 5 minutes) and so on.</SPAN><BR /><BR /><SPAN>Tyler</SPAN></BODY></HTML> Wed, 06 Jul 2011 15:22:02 GMT TylerOhlsen 2011-07-06T15:22:02Z ExportMap Returns Path to Deleted Temporary File https://community.esri.com/t5/arcgis-rest-apis-and-services-questions/exportmap-returns-path-to-deleted-temporary-file/m-p/161215#M792 <HTML><HEAD></HEAD><BODY><SPAN>When calling </SPAN><A href="http://help.arcgis.com/en/arcgisserver/10.0/apis/rest/export.html">ExportMap</A><SPAN> with a JSON return format, an HREF field is included with a URL to the image you requested.&nbsp; After a configured amount of time (maxFileAge), that temp file is deleted.&nbsp; Now after that temp file is deleted, if I call the original query url again I receive a JSON message with the exact HREF field value as in the previous call and navigating to that url returns a 404 file not found error.</SPAN><BR /><BR /><SPAN>BTW, I am calling to the </SPAN><A href="http://www.arcgis.com/home/item.html?id=10df2279f9684e4a9f6a7f08febac2a9">World Imagery</A><SPAN> service so I have no control over changing server parameters.&nbsp; I am assuming maxFileAge is set to about 5 minutes and I am receiving the same href url up to 60 minutes after the first query.&nbsp; After 60 minutes, I get a new href url with a valid image (again for only 5 minutes) and so on.</SPAN><BR /><BR /><SPAN>Tyler</SPAN></BODY></HTML> Wed, 06 Jul 2011 15:22:02 GMT https://community.esri.com/t5/arcgis-rest-apis-and-services-questions/exportmap-returns-path-to-deleted-temporary-file/m-p/161215#M792 TylerOhlsen 2011-07-06T15:22:02Z Re: ExportMap Returns Path to Deleted Temporary File https://community.esri.com/t5/arcgis-rest-apis-and-services-questions/exportmap-returns-path-to-deleted-temporary-file/m-p/161216#M793 <HTML><HEAD></HEAD><BODY><SPAN>The response header for an exportMap request contains the following cache-control header for this service:</SPAN><BR /><BR /><A href="http://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/export?bbox=-20037507.2295943%2C-20037507.2295944%2C20037507.2295943%2C20037507.2295943&amp;f=pjson">http://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/export?bbox=-20037507.2295943%2C-20037507.2295944%2C20037507.2295943%2C20037507.2295943&amp;f=pjson</A><BR /><BR /><SPAN>Cache-Control private, max-age=3527</SPAN><BR /><BR /><SPAN>Browse might be caching response in this case for upto 3527 seconds.</SPAN><BR /><BR /><SPAN>you could try adding a timestamp parameter to the request so each request is unique</SPAN><BR /><BR /><SPAN><A class="jive-link-external-small" href="http://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/export?bbox=-20037507.2295943%2C-20037507.2295944%2C20037507.2295943%2C20037507.2295943&amp;f=pjson&amp;ts=" rel="nofollow" target="_blank">http://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/export?bbox=-20037507.2295943%2C-20037507.2295944%2C20037507.2295943%2C20037507.2295943&amp;f=pjson&amp;ts=</A><SPAN>&lt;currenttimeinms&gt;</SPAN></SPAN><BR /><BR /><SPAN>for example</SPAN><BR /><BR /><SPAN>request #1</SPAN><BR /><A href="http://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/export?bbox=-20037507.2295943%2C-20037507.2295944%2C20037507.2295943%2C20037507.2295943&amp;f=pjson&amp;ts=10487689">http://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/export?bbox=-20037507.2295943%2C-20037507.2295944%2C20037507.2295943%2C20037507.2295943&amp;f=pjson&amp;ts=10487689</A><BR /><BR /><SPAN>request #2</SPAN><BR /><A href="http://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/export?bbox=-20037507.2295943%2C-20037507.2295944%2C20037507.2295943%2C20037507.2295943&amp;f=pjson&amp;ts=10487690">http://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/export?bbox=-20037507.2295943%2C-20037507.2295944%2C20037507.2295943%2C20037507.2295943&amp;f=pjson&amp;ts=10487690</A></BODY></HTML> Fri, 08 Jul 2011 15:28:54 GMT https://community.esri.com/t5/arcgis-rest-apis-and-services-questions/exportmap-returns-path-to-deleted-temporary-file/m-p/161216#M793 RaviNarayanan 2011-07-08T15:28:54Z