czwartek, 15 listopada 2018

How to install SSL certificate in java keystore

The Problem:

After adding maven repository secured with https protocol the following error appeared: PKIX path building failed:
certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
But how to get the certificate and make java can find it? Step 1. Fetching the certificate
echo | openssl s_client -showcerts -connect nexus:443 2>/dev/null | \
 awk '/-----BEGIN CERTIFICATE-----/, /-----END CERTIFICATE-----/' > nexus.crt
Step 2. Find out where the java keystore is located The following command will show java home dir
$ /usr/libexec/java_home
The keystore is jre/lib/security/cacerts file. Step 3. Install the certificate with keytool command
sudo keytool -importcert -alias nexus01 -keystore /Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/jre/lib/security/cacerts -file nexus.crt 
Hint: use changeit or changeme as a default password. Step 4. Verify your certificate is on the list
$ keytool -list -keystore /Library/Java/JavaVirtualMachines/jdk1.8.0_101.jdk/Contents/Home/jre/lib/security/cacerts | grep nexus01
nexus01, Nov 15, 2018, trustedCertEntry, 

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