Update:application.yml for postgres

src/main/java/com/example/springbootapp/config/SimpleCORSFilter.java

@@ -28,7 +28,7 @@ public class SimpleCORSFilter implements Filter {
         HttpServletRequest request = (HttpServletRequest) req;
         HttpServletResponse response = (HttpServletResponse) res;
         //request.getHeader("Origin")
-        response.setHeader("Access-Control-Allow-Origin", "http://localhost:3000");
+        response.setHeader("Access-Control-Allow-Origin", "http://localhost:3006");
         response.setHeader("Access-Control-Allow-Credentials", "true");
         response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE");
         response.setHeader("Access-Control-Max-Age", "600000");

src/main/java/com/example/springbootapp/controllers/SimulatorController.java

@@ -6,7 +6,7 @@ import org.springframework.web.bind.annotation.*;
 import java.util.Map;
 
 
-@CrossOrigin(origins = "http://localhost:3000")
+@CrossOrigin(origins = "http://localhost:3006")
 @RestController
 @RequestMapping("/simulator")
 public class SimulatorController {

src/main/resources/application.yml

@@ -14,10 +14,10 @@ spring:
                     okta:
                         issuer-uri: https://dev-125890.okta.com/oauth2/default
     datasource:
-        driver-class-name: com.mysql.jdbc.Driver
+        driver-class-name: org.postgresql.Driver
         password: riddhidave
-        url: jdbc:mysql://localhost:3306/playground?userSSL=false
+        url: jdbc:postgresql:spirisim
-        username: root
+        username: spirisim
     jpa:
         generate-ddl: true
         hibernate:

target/classes/application.yml

@@ -14,10 +14,10 @@ spring:
                     okta:
                         issuer-uri: https://dev-125890.okta.com/oauth2/default
     datasource:
-        driver-class-name: com.mysql.jdbc.Driver
+        driver-class-name: org.postgresql.Driver
         password: riddhidave
-        url: jdbc:mysql://localhost:3306/playground?userSSL=false
+        url: jdbc:postgresql:spirisim
-        username: root
+        username: spirisim
     jpa:
         generate-ddl: true
         hibernate:

target/maven-archiver/pom.properties

@@ -0,0 +1,4 @@
+#Created by Apache Maven 3.6.3
+groupId=com.example
+artifactId=springbootapp
+version=0.0.1-SNAPSHOT

target/surefire-reports/2020-12-30T16-30-23_554-jvmRun1.dump

@@ -0,0 +1,14 @@
+# Created at 2020-12-30T16:30:24.598
+System.exit() or native command error interrupted process checker.
+java.lang.IllegalStateException: Cannot use PPID 2448 process information. Going to use NOOP events.
+	at org.apache.maven.surefire.booter.PpidChecker.checkProcessInfo(PpidChecker.java:155)
+	at org.apache.maven.surefire.booter.PpidChecker.isProcessAlive(PpidChecker.java:124)
+	at org.apache.maven.surefire.booter.ForkedBooter$2.run(ForkedBooter.java:214)
+	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
+	at java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305)
+	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
+	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
+	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
+	at java.base/java.lang.Thread.run(Thread.java:834)
+
+

target/surefire-reports/2020-12-30T17-15-38_629-jvmRun1.dump

@@ -0,0 +1,14 @@
+# Created at 2020-12-30T17:15:39.181
+System.exit() or native command error interrupted process checker.
+java.lang.IllegalStateException: Cannot use PPID 2783 process information. Going to use NOOP events.
+	at org.apache.maven.surefire.booter.PpidChecker.checkProcessInfo(PpidChecker.java:155)
+	at org.apache.maven.surefire.booter.PpidChecker.isProcessAlive(PpidChecker.java:124)
+	at org.apache.maven.surefire.booter.ForkedBooter$2.run(ForkedBooter.java:214)
+	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
+	at java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305)
+	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
+	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
+	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
+	at java.base/java.lang.Thread.run(Thread.java:834)
+
+

target/surefire-reports/2020-12-30T17-40-27_189-jvmRun1.dump

@@ -0,0 +1,14 @@
+# Created at 2020-12-30T17:40:27.712
+System.exit() or native command error interrupted process checker.
+java.lang.IllegalStateException: Cannot use PPID 3208 process information. Going to use NOOP events.
+	at org.apache.maven.surefire.booter.PpidChecker.checkProcessInfo(PpidChecker.java:155)
+	at org.apache.maven.surefire.booter.PpidChecker.isProcessAlive(PpidChecker.java:124)
+	at org.apache.maven.surefire.booter.ForkedBooter$2.run(ForkedBooter.java:214)
+	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
+	at java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305)
+	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
+	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
+	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
+	at java.base/java.lang.Thread.run(Thread.java:834)
+
+

target/surefire-reports/2020-12-30T17-48-38_350-jvmRun1.dump

@@ -0,0 +1,14 @@
+# Created at 2020-12-30T17:48:39.137
+System.exit() or native command error interrupted process checker.
+java.lang.IllegalStateException: Cannot use PPID 3413 process information. Going to use NOOP events.
+	at org.apache.maven.surefire.booter.PpidChecker.checkProcessInfo(PpidChecker.java:155)
+	at org.apache.maven.surefire.booter.PpidChecker.isProcessAlive(PpidChecker.java:124)
+	at org.apache.maven.surefire.booter.ForkedBooter$2.run(ForkedBooter.java:214)
+	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
+	at java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305)
+	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
+	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
+	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
+	at java.base/java.lang.Thread.run(Thread.java:834)
+
+

target/surefire-reports/2020-12-30T17-53-15_442-jvmRun1.dump

@@ -0,0 +1,14 @@
+# Created at 2020-12-30T17:53:16.073
+System.exit() or native command error interrupted process checker.
+java.lang.IllegalStateException: Cannot use PPID 3551 process information. Going to use NOOP events.
+	at org.apache.maven.surefire.booter.PpidChecker.checkProcessInfo(PpidChecker.java:155)
+	at org.apache.maven.surefire.booter.PpidChecker.isProcessAlive(PpidChecker.java:124)
+	at org.apache.maven.surefire.booter.ForkedBooter$2.run(ForkedBooter.java:214)
+	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
+	at java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305)
+	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
+	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
+	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
+	at java.base/java.lang.Thread.run(Thread.java:834)
+
+

target/surefire-reports/2020-12-30T17-56-27_815-jvmRun1.dump

@@ -0,0 +1,14 @@
+# Created at 2020-12-30T17:56:28.741
+System.exit() or native command error interrupted process checker.
+java.lang.IllegalStateException: Cannot use PPID 3668 process information. Going to use NOOP events.
+	at org.apache.maven.surefire.booter.PpidChecker.checkProcessInfo(PpidChecker.java:155)
+	at org.apache.maven.surefire.booter.PpidChecker.isProcessAlive(PpidChecker.java:124)
+	at org.apache.maven.surefire.booter.ForkedBooter$2.run(ForkedBooter.java:214)
+	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
+	at java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305)
+	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
+	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
+	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
+	at java.base/java.lang.Thread.run(Thread.java:834)
+
+

target/surefire-reports/com.example.springbootapp.SpringbootappApplicationTests.txt

@@ -1,11 +1,4 @@
 -------------------------------------------------------------------------------
 Test set: com.example.springbootapp.SpringbootappApplicationTests
 -------------------------------------------------------------------------------
-Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 5.203 s <<< FAILURE! - in com.example.springbootapp.SpringbootappApplicationTests
+Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 11.195 s - in com.example.springbootapp.SpringbootappApplicationTests
-contextLoads(com.example.springbootapp.SpringbootappApplicationTests)  Time elapsed: 0.002 s  <<< ERROR!
-java.lang.IllegalStateException: Failed to load ApplicationContext
-Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaConfiguration': Unsatisfied dependency expressed through constructor parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in class path resource [org/springframework/boot/autoconfigure/jdbc/DataSourceConfiguration$Hikari.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.zaxxer.hikari.HikariDataSource]: Factory method 'dataSource' threw exception; nested exception is java.lang.IllegalStateException: Cannot load driver class: com.mysql.jdbc.Driver
-Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in class path resource [org/springframework/boot/autoconfigure/jdbc/DataSourceConfiguration$Hikari.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.zaxxer.hikari.HikariDataSource]: Factory method 'dataSource' threw exception; nested exception is java.lang.IllegalStateException: Cannot load driver class: com.mysql.jdbc.Driver
-Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.zaxxer.hikari.HikariDataSource]: Factory method 'dataSource' threw exception; nested exception is java.lang.IllegalStateException: Cannot load driver class: com.mysql.jdbc.Driver
-Caused by: java.lang.IllegalStateException: Cannot load driver class: com.mysql.jdbc.Driver
-