The Background

This happens when you enable the HTTPS with your own certificates. In my case, I have configured Anypoint runtime fabrics with self generated certification using the following command:

openssl req -x509 -newkey rsa:4096 -keyout key.pem -out cert.pem -days 365

The above command generates two files: cert.pem and key.pem. The purpose of them is beyond the scope of the article. The error will occur when the local mule flow call the remote application which is deployed in the Anypoint Runtime Fabrics.

Solution

To resolve this problem, we just need to import the cert.pem to cacerts file. The command is (on MacOs):

cd /Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/security
sudo keytool -import -trustcacerts -keystore cacerts -storepass changeit -alias rogers-poc-cert -file /Users/gl17/anypoint/certs/poc/cert.pem

Make sure restart Anypoint Studio.