unable to attach files in new requests/incidents/problems

Document ID : KB000113493
Last Modified Date : 10/09/2018
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trying to upload an attachment to a requests/incidents/problems the following message error appear "error trying to upload file XXXX.txt"

in jsvr,log file the following errror appear:

09/06 18:09:48.057[TCP_port-Read:Slump_nxd] INFO  SLUMP 742 Using normal channel for connection with: web:wsp
09/06 18:10:38.106[http-nio-8080-exec-2] INFO  UploadServlet 203 Param 'allow_empty_file_uploads' set to NO. This is the default.
09/06 18:10:38.106[http-nio-8080-exec-2] INFO  UploadServlet 217 force save-as dialog is disabled in web.xml
09/06 18:10:38.106[http-nio-8080-exec-2] INFO  UploadServlet 226 fast channel is enabled in web.xml
09/06 18:10:38.340[http-nio-8080-exec-4] INFO  UploadServlet 304 calling slumpTC.initSlump()
09/06 18:10:38.340[http-nio-8080-exec-4] ERROR UploadServlet 306 Slump not initialised
09/06 18:10:56.557[http-nio-8080-exec-6] INFO  UploadServlet 304 calling slumpTC.initSlump()
09/06 18:10:56.557[http-nio-8080-exec-6] ERROR UploadServlet 306 Slump not initialised
09/06 18:11:18.058[Thread-6] ERROR SLUMP 340 Timed out attempting to connect fast channel to web:wsp
09/06 18:11:18.058[TCP_port-Read:Slump_nxd] INFO  TCP_port 229 Created fastchannel port 2108 for null with id 1536268278058 between 167784490.pdmweb:DSDMPS01#-598032dc:165b0b8390d:-7fff and 26003.web:local
09/06 18:11:18.058[Thread-6] INFO  SLUMPTC 403 Error al conectar con el slump. Compruebe el daemon del servidor.
09/06 18:12:35.802[TCP_port-Read:web:local] ERROR TCP_port 888 ReadInt Socketexception (did slump die?)java.net.SocketException: Connection reset
09/06 18:12:35.802[TCP_port-Read:web:local] ERROR TCP_port 1303 Call to read_msg failed.java.net.SocketException: Connection reset
09/06 18:12:37.531[localhost-startStop-2] INFO  PdmContextListener ? Context Listener has logger activated!  
09/06 18:12:37.531[localhost-startStop-2] INFO  PdmContextListener ? log4j refresh interval set to: 60000 milliseconds
09/06 18:12:37.531[localhost-startStop-2] INFO  PdmContextListener ? CAisd context has been destroyed
09/06 18:12:37.531[localhost-startStop-2] INFO  PdmContainerAgent ? servername-container-pdmContextListener is set for termination
09/06 18:12:37.531[localhost-startStop-2] INFO  PdmContainerAgent ? Post an event notification msg for pdm_tomcat_nxd
09/06 18:12:37.531[Thread-3] INFO  PdmContainerAgent ? Received an event notification msg for 26003|pdm_tomcat-servername|CONTEXT_STATUS
09/06 18:12:37.531[Thread-3] INFO  PdmContainerAgent ? Sending event notification msg to pdm_tomcat_nxd
09/06 18:12:37.531[Thread-3] INFO  PdmContainerAgent ? servername-container-pdmContextListener preparing to terminate

SDM 17.1.X
MS Server 2012 R2
Fat channel configuration is causing mismatch connection between repository with slump.
Edit the following server.xml file located in: C:\Program Files (x86)\CA\Service Desk Manager\bopcfg\www\CATALINA_BASE\webapps\CAisd\WEB-INF look for line:

"set param to YES to enable fast channel to the repository daemon"

fast_channel YES change parameter from YES to NO.
Then save and restart SDM service.
Additional Information:
Different Fast channel behavior on SDM: