TomcatStarter : Error starting Tomcat context.

2022-03-20 18:38:52.485  INFO 28320 --- [  restartedMain] o.h.e.t.j.p.i.JtaPlatformInitiator       : HHH000490: Using JtaPlatform implementation: [org.hibernate.engine.transaction.jta.platform.internal.NoJtaPlatform]
2022-03-20 18:38:52.492  INFO 28320 --- [  restartedMain] j.LocalContainerEntityManagerFactoryBean : Initialized JPA EntityManagerFactory for persistence unit 'default'
2022-03-20 18:38:52.858 ERROR 28320 --- [  restartedMain] o.s.b.web.embedded.tomcat.TomcatStarter  : Error starting Tomcat context. Exception: org.springframework.beans.factory.UnsatisfiedDependencyException. Message: Error creating bean with name 'securityConfig' defined in file [C:\MySpace\공통프로젝트1\NadeulSeoul_back_end\build\classes\java\main\com\alzal\nadeulseoulbackend\global\config\SecurityConfig.class]: Unsatisfied dependency expressed through constructor parameter 3; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'org.springframework.security.oauth2.client.registration.ClientRegistrationRepository' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {}
2022-03-20 18:38:52.873  INFO 28320 --- [  restartedMain] o.apache.catalina.core.StandardService   : Stopping service [Tomcat]
2022-03-20 18:38:52.875  WARN 28320 --- [  restartedMain] o.a.c.loader.WebappClassLoaderBase       : The web application [ROOT] appears to have started a thread named [HikariPool-1 housekeeper] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
 java.base@11.0.6/jdk.internal.misc.Unsafe.park(Native Method)
 java.base@11.0.6/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
 java.base@11.0.6/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2123)
 java.base@11.0.6/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1182)
 java.base@11.0.6/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
 java.base@11.0.6/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
 java.base@11.0.6/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
 java.base@11.0.6/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
 java.base@11.0.6/java.lang.Thread.run(Thread.java:834)
2022-03-20 18:38:52.876  WARN 28320 --- [  restartedMain] o.a.c.loader.WebappClassLoaderBase       : The web application [ROOT] appears to have started a thread named [HikariPool-1 connection adder] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
 java.base@11.0.6/jdk.internal.misc.Unsafe.park(Native Method)
 java.base@11.0.6/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234)
 java.base@11.0.6/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2123)
 java.base@11.0.6/java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:458)
 java.base@11.0.6/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1053)
 java.base@11.0.6/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
 java.base@11.0.6/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
 java.base@11.0.6/java.lang.Thread.run(Thread.java:834)
2022-03-20 18:38:52.876  WARN 28320 --- [  restartedMain] o.a.c.loader.WebappClassLoaderBase       : The web application [ROOT] appears to have started a thread named [lettuce-timer-3-1] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
 java.base@11.0.6/java.lang.Thread.sleep(Native Method)
 app//io.netty.util.HashedWheelTimer$Worker.waitForNextTick(HashedWheelTimer.java:566)
 app//io.netty.util.HashedWheelTimer$Worker.run(HashedWheelTimer.java:462)
 app//io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
 java.base@11.0.6/java.lang.Thread.run(Thread.java:834)
2022-03-20 18:38:52.877  WARN 28320 --- [  restartedMain] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.context.ApplicationContextException: Unable to start web server; nested exception is org.springframework.boot.web.server.WebServerException: Unable to start embedded Tomcat
2022-03-20 18:38:52.991  INFO 28320 --- [  restartedMain] j.LocalContainerEntityManagerFactoryBean : Closing JPA EntityManagerFactory for persistence unit 'default'
2022-03-20 18:38:52.994  INFO 28320 --- [  restartedMain] com.zaxxer.hikari.HikariDataSource       : HikariPool-1 - Shutdown initiated...
2022-03-20 18:38:52.998  INFO 28320 --- [  restartedMain] com.zaxxer.hikari.HikariDataSource       : HikariPool-1 - Shutdown completed.
2022-03-20 18:38:53.005  INFO 28320 --- [  restartedMain] ConditionEvaluationReportLoggingListener : 

Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2022-03-20 18:38:53.019 ERROR 28320 --- [  restartedMain] o.s.b.d.LoggingFailureAnalysisReporter   :

해결방법

• .idea 를 삭제하고 프로젝트를 다시 intelliJ에서 실행시키면 해결이 된다.