Hi 
This worked for me on appium desktop server but when i am trying to use these capabilities in my selenium/appium code and execute the script.

Error:

sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target

Can anyone please help?

Hi Ishan,
If you are testing with an instance of UFTM with SSL (https), this may be an issue with the certificate. For example, if your local computer attempts to connect to a remote server and the security certificates in your Local Computer Keystore, do not match. To solve this issue, you have to import the certificate into the Java Keystore.

I tried solutions available on google for importing certificate(https://stackoverflow.com/questions/21076179/pkix-path-building-failed-and-unable-to-find-valid-certification-path-to-requ) but it didn't work for me.

I am getting same error.

Hello Ishan,

I would suggest verifying if you have more than one JRE/JDK installed, that you imported the certificate to the "cacerts" fille corresponding to the version you are using in your test. 
What I usually do is:
1) From the UFTM site, export the certificate (as a .cer file)
2) Then, to import it on the cacerts: 

Update keystore with the new certificate.

• Copy the cacerts file to a temporary location. This file is usually under the \security folder of your JRE path. This step is important. In some cases updating directly to Program Files is restricted, and you will receive the keytool error "Access is denied". In this case, you will need to involve your local IT team.

Example:

copy "C:\Program Files\Java\jre1.8.0_151\jre\lib\security\cacerts" "C:\temp\cacerts"

• From a command prompt, run the importcert command.

Example:

keytool -importcert -file C:\temp\new.cer -keystore "C:\temp\cacerts" -alias uftmcert

Note: If you haven't changed it, the default keystore password is: changeit

• Copy the cacerts file back to the original location.

Validating the Certificate

• From the command prompt, navigate to the Java installation folder, and run the keytool.exe to extract a newListOutput.txt file with the list command.

Example:

keytool -list -keystore "C:\temp\cacerts" > C:\temp\newListOutput.txt

• Open the newListOutput.txt file and search for the certificate thumbprint

Hello Ishan,

I would suggest verifying if you have more than one JRE/JDK installed, that you imported the certificate to the "cacerts" fille corresponding to the version you are using in your test. 
What I usually do is:
1) From the UFTM site, export the certificate (as a .cer file)
2) Then, to import it on the cacerts: 

Update keystore with the new certificate.

• Copy the cacerts file to a temporary location. This file is usually under the \security folder of your JRE path. This step is important. In some cases updating directly to Program Files is restricted, and you will receive the keytool error "Access is denied". In this case, you will need to involve your local IT team.

Example:

copy "C:\Program Files\Java\jre1.8.0_151\jre\lib\security\cacerts" "C:\temp\cacerts"

• From a command prompt, run the importcert command.

Example:

keytool -importcert -file C:\temp\new.cer -keystore "C:\temp\cacerts" -alias uftmcert

Note: If you haven't changed it, the default keystore password is: changeit

• Copy the cacerts file back to the original location.

Validating the Certificate

• From the command prompt, navigate to the Java installation folder, and run the keytool.exe to extract a newListOutput.txt file with the list command.

Example:

keytool -list -keystore "C:\temp\cacerts" > C:\temp\newListOutput.txt

• Open the newListOutput.txt file and search for the certificate thumbprint

Hi Maria Rolfe

Finally i am able to run my script. Thanks for the solution.
But I am not able to see mobile UI while running my appium script. I can only see that one device got reserved in from the lab during execution.
How can I see the execution on mobile device. Please help me in this.