Updated Employee

persistence-modules/spring-boot-mysql/mysql-server/generatecerts.sh

@@ -32,4 +32,4 @@ keytool -importcert -alias MySQLCACert.jks -file root-ca.pem \
     -keystore truststore.jks -storepass mypassword
 
 openssl pkcs12 -export -in client-cert.pem -inkey client-key.pem -out certificate.p12 -name "certificate"
-keytool -importkeystore -srckeystore certificate.p12 -srcstoretype pkcs12 -destkeystore cert.jks
+keytool -importkeystore -srckeystore certificate.p12 -srcstoretype pkcs12 -destkeystore client-cert.jks

persistence-modules/spring-boot-mysql/src/main/java/com/baeldung/boot/jpa/EmployeeController.java

@@ -2,6 +2,9 @@ package com.baeldung.boot.jpa;
 
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
+import org.springframework.web.client.HttpClientErrorException;
+
+import java.util.Optional;
 
 @RestController
 public class EmployeeController {
@@ -11,7 +14,8 @@ public class EmployeeController {
 
     @GetMapping("/employee/{empId}")
     public Employee get(@PathVariable(name = "empId") Integer empId) {
-        return empRepository.findById(empId).get();
+        Optional<Employee> emp = empRepository.findById(empId);
+        return emp.orElse(null);
     }
 
     @PostMapping("/employee")

persistence-modules/spring-boot-mysql/src/main/resources/application.yml

@@ -26,10 +26,10 @@ spring:
   profiles: "dev2"
   datasource:
     url: >-
-         jdbc:mysql://localhost:3306/test_db?sslMode=VERIFY_IDENTITY&
+         jdbc:mysql://localhost:3306/test_db?sslMode=VERIFY_CA&
          trustCertificateKeyStoreUrl=file:/Users/saikatchakraborty/tutorials/persistence-modules/spring-boot-mysql/mysql-server/certs/truststore.jks&
          trustCertificateKeyStorePassword=mypassword&
-         clientCertificateKeyStoreUrl=file:/Users/saikatchakraborty/tutorials/persistence-modules/spring-boot-mysql/mysql-server/certs/cert.jks&
+         clientCertificateKeyStoreUrl=file:/Users/saikatchakraborty/tutorials/persistence-modules/spring-boot-mysql/mysql-server/certs/client-cert.jks&
          clientCertificateKeyStorePassword=mypassword
     username: test_user
     password: Password2022