Problem – (sun.security.pkcs) Sun Security not found
The error is coming due to java 8 being switched to java 11 and sun is not found security
Reason of Problem
Some changes were done in JDK security policy that’s the problem is occurring. For this problem, we have jar package and source code.
How to Solve intellij error : sun.security.pkcs not found
Step 1 : In the compiler’s settings -> Build ->Execution -> Compiler-> Disable in Java compiler:
Step 2 : Use ‘–release’ option for cross-compilation
Step 3 : Then rebuild

Step 4 : after this apply it
Check it again if no exception comes after build.