topic Java servelet error encountered when trying to upload SOE in ArcGIS Enterprise Questions https://community.esri.com/t5/arcgis-enterprise-questions/java-servelet-error-encountered-when-trying-to/m-p/35105#M1262 <HTML><HEAD></HEAD><BODY><SPAN>I am trying to deploy a simple 10.1 SOE on a machine running Windows Server 2008 R2. Going through the motions in arcgis server manager, I browse to the SOE and click on the Add button, but nothing happens. In the logs I have found the following message:</SPAN><BR /><SPAN>javax.servlet.ServletException: javax.servlet.ServletException: javax.servlet.ServletException: javax.servlet.ServletException: org.apache.jasper.JasperException: javax.servlet.ServletException: java.lang.ClassFormatError: Incompatible magic value 791625278 in class file org/apache/jsp/www/common/header_jsp</SPAN><BR /><BR /><SPAN>Any ideas as to what may be causing this issue?</SPAN><BR /><BR /><SPAN>I can successfully deploy and use the SOE on my dev machine and I have been able to deploy an SOE to server in the past. Since encountering the current problem i have even tried deploying the MarkerLocator sample SOE provided by esri to test if it was a problem specific to my SOE, but with the same result.</SPAN></BODY></HTML> Thu, 03 Oct 2013 10:16:24 GMT TerryRichards 2013-10-03T10:16:24Z Java servelet error encountered when trying to upload SOE https://community.esri.com/t5/arcgis-enterprise-questions/java-servelet-error-encountered-when-trying-to/m-p/35105#M1262 <HTML><HEAD></HEAD><BODY><SPAN>I am trying to deploy a simple 10.1 SOE on a machine running Windows Server 2008 R2. Going through the motions in arcgis server manager, I browse to the SOE and click on the Add button, but nothing happens. In the logs I have found the following message:</SPAN><BR /><SPAN>javax.servlet.ServletException: javax.servlet.ServletException: javax.servlet.ServletException: javax.servlet.ServletException: org.apache.jasper.JasperException: javax.servlet.ServletException: java.lang.ClassFormatError: Incompatible magic value 791625278 in class file org/apache/jsp/www/common/header_jsp</SPAN><BR /><BR /><SPAN>Any ideas as to what may be causing this issue?</SPAN><BR /><BR /><SPAN>I can successfully deploy and use the SOE on my dev machine and I have been able to deploy an SOE to server in the past. Since encountering the current problem i have even tried deploying the MarkerLocator sample SOE provided by esri to test if it was a problem specific to my SOE, but with the same result.</SPAN></BODY></HTML> Thu, 03 Oct 2013 10:16:24 GMT https://community.esri.com/t5/arcgis-enterprise-questions/java-servelet-error-encountered-when-trying-to/m-p/35105#M1262 TerryRichards 2013-10-03T10:16:24Z