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Where Are My Java Cacerts

Sarah Jenkins • • 7 min read
Where Are My Java Cacerts

A certificates file named cacerts resides in the security properties directory, java. home \lib\security, where java.

How do I read a cacerts file in Java?

  1. On a Windows system, at the prompt, type: keytool -list -keystore “c:\Program Files (x86)\Java\jre<version>\lib\security\cacerts.
  2. On a Linux system, at the prompt, type: keytool -list -keystore $JAVA_HOME/jre/lib/security/cacerts.

How do I add a certificate to cacerts in Java?

  1. Locate the keystore location in the JRE. Typically this keystore is at JAVA_HOME\jre\lib\security\cacerts. …
  2. Run the standard keytool to import the certificate, from JAVA_HOME\jre\lib\security. …
  3. When prompted Enter keystore password:, enter “changeit” . …
  4. When prompted Trust this certificate? [no]:, enter “yes”.
Sarah Jenkins
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Sarah Jenkins

Sarah Jenkins is a veteran tech journalist with over 12 years of experience covering artificial intelligence, mobile innovations, and digital ethics. Her insights have appeared in leading technology publications worldwide.