https://community.esri.com/t5/arcgis-enterprise-questions/unable-to-process-request-java-io-ioexception-an/m-p/1678079#M43675 <P>Since around three months our ArcGIS Server logs frequently show this message:</P><P>WARNING,Rest,&lt;time and date&gt;,Unable to process request. java.io.IOException: An established connection was aborted by the software in your host machine</P><P>Can anyone explain what this means?&nbsp;</P><P>What would the 'host machine' mean in this case? I would rather expect a client machine to abort a connection. Or do they mean the ArcGIS Server machine itself? Otherwise it could only be the database server.</P><P>Since around this time we are also experiencing network hiccups in our Azure cloud, so I am wondering if this could be related.</P><P>&nbsp;</P> Thu, 15 Jan 2026 15:37:03 GMT jorisfrenkel 2026-01-15T15:37:03Z https://community.esri.com/t5/arcgis-enterprise-questions/unable-to-process-request-java-io-ioexception-an/m-p/1678079#M43675 <P>Since around three months our ArcGIS Server logs frequently show this message:</P><P>WARNING,Rest,&lt;time and date&gt;,Unable to process request. java.io.IOException: An established connection was aborted by the software in your host machine</P><P>Can anyone explain what this means?&nbsp;</P><P>What would the 'host machine' mean in this case? I would rather expect a client machine to abort a connection. Or do they mean the ArcGIS Server machine itself? Otherwise it could only be the database server.</P><P>Since around this time we are also experiencing network hiccups in our Azure cloud, so I am wondering if this could be related.</P><P>&nbsp;</P> Thu, 15 Jan 2026 15:37:03 GMT https://community.esri.com/t5/arcgis-enterprise-questions/unable-to-process-request-java-io-ioexception-an/m-p/1678079#M43675 jorisfrenkel 2026-01-15T15:37:03Z