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Knowledge Doc: Unable to Launch SV Designer -- error - Cannot Start the application - root element is missing

Heather Caldwell

Getting the error message - "Cannot Start the application - root element is missing" while trying to launch SV Designer Environment SV Designer(all versions) Situation While trying to launch SV Designer it fails with the error message "Cannot…
- 2 months ago
- OpenText Service Virtualization
- Service Virtualization Tips
How to use C# scripting to modify certain array item

Jakub

Using COPY FROM function modifies all array items. If you want to modify only a specific one, you need to use scripting. The approach shown below is to traverse the array and once correct item is identified, modify it. Original response: <s:Envelope…
- 5 months ago
- OpenText Service Virtualization
- Service Virtualization Tips
Configure the SV designer, so that every request that arrives at the virtualized service behaves like a Json

Douglas Alves de sousa

We currently have the following problem, the same service is consumed on different platforms, where some of them send a Header with content-Type specifying its type and others do not. And when the SV does not…
- over 1 year ago
- OpenText Service Virtualization
- Service Virtualization Tips
Scripting: How to work with JSON payload in Binary/HTTP Virtual Service using C# Scripted Rule

Jakub

In current version SV is using Newtonsoft.Json 3rd party library, which you can utilize in your C# scripted rules as well. Here is a basic example. Let's assume following response JSON payload (which is from Claim Processing Fraud REST Demo): { …
- over 1 year ago
- OpenText Service Virtualization
- Service Virtualization Tips
SV Server High Availability Deployment

Jakub

Even though SV does not support high availability deployment out of the box, you might be able to achieve it with some custom configuration. Prerequisites SV Server license (SV is Class 1 product, so this will give you several non-production licenses…
- over 1 year ago
- OpenText Service Virtualization
- Service Virtualization Tips
How to backup and restore data when SV is running in Docker

Jakub

Prerequisite is your SV Server is using volumes for app.config, work and logs folders as desribed in https://admhelp.microfocus.com/sv/en/2023/Help/Content/Installation/Docker-SV-server-Linux.htm Before running any command from below don't forget to…
- over 1 year ago
- OpenText Service Virtualization
- Service Virtualization Tips
Useful Tools

Jakub

Following tools helps you get more productive with Service Virtualization. Generic Tools Notepad++ - generic purpose text editor. You often need to work with JSON/XML, for which you can install “JSTool”/“XML Tools” respectively Wireshark - network…
- over 2 years ago
- OpenText Service Virtualization
- Service Virtualization Tips
Useful SV Log4net loggers

Jakub

SV can log a lot of useful information, which can be used mainly for troubleshooting. Majority of loggers are however turned off due to performance reasons, but you can easily enable them if you need to. There is no need to restart SV to apply the logging…
- over 2 years ago
- OpenText Service Virtualization
- Service Virtualization Tips
How to fix MS SQL issue under under load with SV Server in Docker

Jakub

We discovered, that if SV Server is running as Docker container and is connected to MS SQL running on remote machine, it can throw following error under load: 2022-03-12 17:39:57,204 ERROR [Server Statistics Aggregator] HP.SV.ServerCommon.Statistics…
- over 2 years ago
- OpenText Service Virtualization
- Service Virtualization Tips
How to avoid Administrator permissions for creating HTTP agents

Jakub

Creating new HTTP agent requires Administrator permission as this action involves opening firewall and registering HTTP listener in Windows. In some situations however, SV Designer users don't have Administrator permission to create new HTTP agents…
- over 2 years ago
- OpenText Service Virtualization
- Service Virtualization Tips
LoadRunner Professional 2021R2 SV integration fix

Jakub

LoadRunner Professional 2021R2 has broken SV integration. You can manually fix it using steps below: Open C:\Program Files (x86)\Micro Focus\LoadRunner\bin\Wlrun.exe.config Add following assembly redirect at the end of the <runtime> section: …
- over 3 years ago
- OpenText Service Virtualization
- Service Virtualization Tips
How to manually clear a virtual service from a DB

Jakub

In very rare cases virtual service can get to the state, that it is corrupted and SV Designer, SVM, CLI or any other tool is not able to redeploy/undeploy it. If this happens to you and you have MS SQL DB, you can use this guide to clean the VS manually…
- over 2 years ago
- OpenText Service Virtualization
- Service Virtualization Tips
Would you benefit from Service Virtualization?

Chris Seamons

If you answer yes to one or more questions below, than you would probably benefit from Service Virtualization. The key would be to save enough time and resources to offset SV price and virtualization effort. With free SV Express edition this boils down…
- 6 months ago
- OpenText Service Virtualization
- Service Virtualization Tips

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Service Virtualization Tips

Knowledge Doc: Unable to Launch SV Designer -- error - Cannot Start the application - root element is missing

How to use C# scripting to modify certain array item

Configure the SV designer, so that every request that arrives at the virtualized service behaves like a Json

Scripting: How to work with JSON payload in Binary/HTTP Virtual Service using C# Scripted Rule

SV Server High Availability Deployment

How to backup and restore data when SV is running in Docker

Useful Tools

Useful SV Log4net loggers

How to fix MS SQL issue under under load with SV Server in Docker

How to avoid Administrator permissions for creating HTTP agents

LoadRunner Professional 2021R2 SV integration fix

How to manually clear a virtual service from a DB

Would you benefit from Service Virtualization?

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