topic Image Service Client (ISClient.dll) Crash in IIS in ArcGIS Image Server Questions https://community.esri.com/t5/arcgis-image-server-questions/image-service-client-isclient-dll-crash-in-iis/m-p/163990#M1150 <HTML><HEAD></HEAD><BODY><SPAN>This is a tough one.</SPAN><BR /><BR /><SPAN>I have 8.1 million images spread across 36 Image Services, each with their own ISP.&nbsp; I have a custom Image Service client using the ISClient.dll in VB.NET.</SPAN><BR /><BR /><SPAN>The Image Services work fine in ArcMap.&nbsp; The Image Services work fine in my test desktop app using my custom client.&nbsp; The specific ISClient.dll method fails in a web method with zero debugging opportunity.&nbsp; Basically, the Worker Process completely exits (crashes) without running the Catch or Finally or the unhandled exception event; all of which are supposed to be protected for just this reason.&nbsp; I've never seen anything like this.</SPAN><BR /><BR /><SPAN>I've had this issue with a few locations in only two of my image services, but it is repeatable at those locations.&nbsp; There are no errors in the Image Service.&nbsp; Nothing in the logs.</SPAN><BR /><BR /><SPAN>Any suggestions would be great?</SPAN><BR /><BR /><SPAN>Richard</SPAN><BR /><BR /><SPAN>ArcGIS Image Server v9.3.1</SPAN></BODY></HTML> Wed, 11 Aug 2010 18:35:34 GMT RichardWhite 2010-08-11T18:35:34Z Image Service Client (ISClient.dll) Crash in IIS https://community.esri.com/t5/arcgis-image-server-questions/image-service-client-isclient-dll-crash-in-iis/m-p/163990#M1150 <HTML><HEAD></HEAD><BODY><SPAN>This is a tough one.</SPAN><BR /><BR /><SPAN>I have 8.1 million images spread across 36 Image Services, each with their own ISP.&nbsp; I have a custom Image Service client using the ISClient.dll in VB.NET.</SPAN><BR /><BR /><SPAN>The Image Services work fine in ArcMap.&nbsp; The Image Services work fine in my test desktop app using my custom client.&nbsp; The specific ISClient.dll method fails in a web method with zero debugging opportunity.&nbsp; Basically, the Worker Process completely exits (crashes) without running the Catch or Finally or the unhandled exception event; all of which are supposed to be protected for just this reason.&nbsp; I've never seen anything like this.</SPAN><BR /><BR /><SPAN>I've had this issue with a few locations in only two of my image services, but it is repeatable at those locations.&nbsp; There are no errors in the Image Service.&nbsp; Nothing in the logs.</SPAN><BR /><BR /><SPAN>Any suggestions would be great?</SPAN><BR /><BR /><SPAN>Richard</SPAN><BR /><BR /><SPAN>ArcGIS Image Server v9.3.1</SPAN></BODY></HTML> Wed, 11 Aug 2010 18:35:34 GMT https://community.esri.com/t5/arcgis-image-server-questions/image-service-client-isclient-dll-crash-in-iis/m-p/163990#M1150 RichardWhite 2010-08-11T18:35:34Z