Seeing the user-interface.log Unable to get property '0' of undefined or null reference error when accessing the Spotfire server
Article ID: KB0083328
Updated On:
| Products | Versions |
|---|---|
| Spotfire Server | 7.5 and higher |
Description
You have a clustered server deployment with a load balancer in front of the Spotfire servers. The issue occurs when two Spotfire servers are running and accessing the load balancer URL. The following have been checked:
Look at user-interface.log, you may see the following:
- bootstrap.xml files
- server.xml files
- configuration.xml file
- telnet to the TSS hostname and port is OK
- accessing the individual TSS URL is OK
Look at user-interface.log, you may see the following:
2017-09-06T16:07:09,085-0400 ; ERROR ; com.spotfire.rs.tools.ErrorController ; 279c7f95-8815-1164-855a-9afa55242e6a: Unable to get property '0' of undefined or null reference Current URL: https://tibcoPROD.com/spotfire/#/landingPage
Issue/Introduction
In this article you will see what causes the "user-interface.log with ID:" ... "Details: Unable to get property '0' of undefined or null reference" error on the Spotfire Server how to resolve it.
Resolution
This indicates a persistence/session affinity issue with the load balancer. From the manual, there is this requirement: "You have obtained a load balancer that supports session affinity. (This means that after a session has been established, the load balancer can continue to route all requests from a particular client to a particular server.)". Work with the load balancer administrators to ensure that session affinity is always enforced.
Feedback
Yes
No
Powered by
