Why updating Oracle JDK breaks links to JCE policies?

Solution In Progress - Updated -

Issue

I've been adding them to /etc/alternatives as such, which worked fine, before upgrading Java to java-1.8.0-oracle-1.8.0.91-1jpp.1.el6_7.x86_64

update-alternatives --install   /usr/lib/jvm/jre-1.8.0-oracle.x86_64/lib/security/local_policy.jar     jce_1.8.0_oracle_local_policy.x86_64      /opt/UnlimitedJCEPolicyJDK8/local_policy.jar     1000000  --slave     /usr/lib/jvm/jre-1.8.0-oracle.x86_64/lib/security/US_export_policy.jar jce_1.8.0_oracle_us_export_policy.x86_64  /opt/UnlimitedJCEPolicyJDK8/US_export_policy.jar

After the Java Update the alternatives are still configured correctly, but the Java Package removes the softlinks in /usr/lib/jvm/jre-1.8.0-oracle.x86_64/lib/security pointing there. Which means java uses the default policy, and my application doesn't work anymore:

ls -lart /usr/lib/jvm/jre-1.8.0-oracle.x86_64/lib/security
...
local_policy.jar -> /etc/alternatives/jce_1.8.0_oracle_local_policy.x86_64
US_export_policy.jar -> /etc/alternatives/jce_1.8.0_oracle_us_export_policy.x86_64

Environment

  • Red Hat Enterprise Linux 6
  • java-1.8.0-oracle-1.8.0.101-1jpp.1.el6_8.x86_64

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