How do I set up an application link from Bitbucket DC v.8.18.0 to Jira DC v.10.3.6 on the same host?

[Kevin Nelson]

When trying to set up an application connection from Jira to Bitbucket, I'm getting "No response was received from the URL (our Bitbucket URL) - it may not be valid.  Both applications are on the same host on different ports, so I configured JIra to allow all hosts.  However, I have not found instructions for configuring Bitbucket to allow all hosts.  I tried the same think in bitbucket.properties, but it still gives me a warning about "local host" and "restricted addresses"  How can I set up the application link between Jira and Bitbucket?  

[Aman Shrivastava]

Hi @Kevin Nelson 

Atlassian advises installing different products on separate servers. However, if you're only installing to test features, it's acceptable, and the applink should function in this scenario too. You need to ensure the network and SSL connectivity to both application URLs. Since both applications are on the same server, you can execute the commands on the same server.

• Check application connectivity using the following commands on the Linux server running both applications; both should return a RUNNING status. If there's a timeout, your Linux/Network firewall may be blocking the connection and you will need to fix it

curl <Bitbucket-Base-URL>/status
curl <Jira-Base-URL>/status

• If you access both applications using HTTPS, download the SSLPoke utility from here and copy it to the Linux server where the applications are running.
  Execute the following command as detailed in the KB article from the same path where you copied the file. If you see the error "PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target" instead of a CONNECTED status, follow this KB article to import the certificate into the Java trust store, restart Bitbucket and Jira applications and then create the application link. 

$JAVA_HOME/bin/java SSLPoke <Jira-domain> 443
$JAVA_HOME/bin/java SSLPoke <Bitbucket-domain> 443

Regards,
Aman