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When making a connection using HTTPS, either SSL or TLS encrypts the information being sent to and from the EUM server. The information is encrypted using a cipher or encryption key. The type of cipher depends on the cipher suite being used. Use G...
A load balancer is a device that distributes network or application traffic across a number of servers. Load balancers are used to increase capacity and reliability of applications. When properly configured, F5 iRules utilize a scripting syntax wh...
Users can debug a browser page with EUM instrumented pages using the JavaScript agent (adrum.js). Within the Google Chrome browser, launch developer tools (ALT+CMD+I) by clicking on View > Developer > Developer Tools in the browser toolbar. Add t...
Symptoms In the controller UI, iOS crashes are not symbolicated by default. To get human-readable crash stack traces that can be easily understood, use a platform-specific mapping file that can translate the raw data into human readable output. iO...
To troubleshoot complex issues in web downloads, it can be helpful to have the download process tracked in an HTTP Archive (HAR) file, an archival format for recording HTTP transactions using a browser. The workflow for creating a HAR file differs f...
Problem I want to enable/disable synthetic jobs programmatically in order to automate the process during the planned downtimes so that false alerts are not generated. Solution For dealing with synthetic jobs, use the https://api.eum-appdynamics.co...
Question How is the cache hit percentage for an Ajax request calculated? Answer The cache hit is calculated using the following formula: Total no. of records - no. of records that has BT (or AST) ) / total no. of records. Note: If the page...
Overview There might be situations where the IP address that you see in the browser snapshots for incoming requests is not what you expect. This document mentions the precedence of how the IP address is resolved for an incoming request. However, so...
Symptoms The following error appears after compilation of the IOS app that is instrumented with the AppDynamics IOS agent. Related screenshots: Diagnosis This issue is seen when the path to the ADEUMInstrumentation framework is not resolved p...
Why can't I see EUM license details from the controller's license page? When viewing the Controller's license page, the user is unable to see the EUM license details. Troubleshooting when the EUM license details don't appear in the Controller's UI...
Question: How do I calculate the size of an EUM JavaScript Agent beacon? Solution: Use Chrome Developer tools to capture application traffic (particularly agent beacons) and use the following formula: Formula: Content-Length / 1024 = Size in KB ...
Problem Description: I upgraded EUM/Events/Controller from 4.2.4.1 to 4.2.10.0 but found some discrepancies with EUM. I found some weird app keys in my console. While troubleshooting, I attempted to restart with some new jvm options, but am now ge...
Symptoms After making changes to geo mapping files, the EUM Server fails to start up. We see the below error in the EUM processor log: 1 Jan 2017 09:00:56.972 +0000 main AD.ALL ERROR | Error Starting EUM Processor Server | com.google.inject.Creati...
Symptoms We might see communication issue between the Controller and EUM Server due to the time skew service not functioning properly or the time between both the machines are out of sync. The log will show something like below: EUM Processor lo...
iQSonar is an ASP.NET v4 MVC Razor application running in IIS. Manually instrument iQSonar with EUM agent by adding <script> window["adrum-app-key"] = "YOUR-AD-RUM-KEY"; </script> <script src="https://cdn.appdynamics.com/adrum/adrum-latest.js"></s...
Question What is a Unique Mobile Users? Answer All users are counted by calendar month. One unique mobile user represents one installation of a mobile application instrumented with the AppDynamics iOS or Android SDK. For example, - If you install...
Symptoms When the mapping file is uploaded to get de-obfuscated stack trace, we do not see the de-obfuscated stack, but following message is seen: NOTE: ===== We didn't find a mapping file that exactly matches your application with build id '<build_i...
You can see that the Job is run periodically and the Last Run and the Next run times are getting Updated. However when you try to see the results for the job you do not see any results available: This usually happens when the Synthetic Job runs, ...
Affects: Controller version 4.0, 4.1, 4.2 Controller reaches out to the EUM server every hour to confirm the registration of all the EUM enabled applications. If for any reason, the controller is having problems because of which it could not get th...
Question Can we use EUM to monitor the end user experience in Browser without instrumenting the server side application ? Answer We can use the end user experience without instrumenting the server side application with application agent. However t...
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