[JAVA] Error - 인증서 검증을 실패했습니다. 애플리케이션이 실행되지 않습니다

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JAVA로 된 응용프로그램을 사용하다보면 간혹 다음과 같은 에러가 발생할 수 있습니다.

JAVA 사용자로써 저도 처음 겪었을 때 당황스러웠던 기억이 나네요..

에러내용 : 인증서 검증을 실패했습니다. 애플리케이션이 실행되지 않습니다

java.security.cert.CertificateException: java.security.cert.CertPathValidatorException: Response is unreliable: its validity interval is out-of-date at com.sun.deploy.security.RevocationChecker.checkOCSP(Unknown Source) at com.sun.deploy.security.RevocationChecker.check(Unknown Source) at com.sun.deploy.security.TrustDecider.checkRevocationStatus(Unknown Source) at com.sun.deploy.security.TrustDecider.getValidationState(Unknown Source) at com.sun.deploy.security.TrustDecider.validateChain(Unknown Source) at com.sun.deploy.security.TrustDecider.isAllPermissionGrantedInt(Unknown Source) at com.sun.deploy.security.TrustDecider.isAllPermissionGranted(Unknown Source) at com.sun.javaws.security.AppPolicy.grantUnrestrictedAccess(Unknown Source) at com.sun.javaws.security.JNLPSignedResourcesHelper.checkSignedResourcesHelper(Unknown Source) at com.sun.javaws.security.JNLPSignedResourcesHelper.checkSignedResources(Unknown Source) at com.sun.javaws.Launcher.prepareResources(Unknown Source) at com.sun.javaws.Launcher.prepareAllResources(Unknown Source) at com.sun.javaws.Launcher.prepareToLaunch(Unknown Source) at com.sun.javaws.Launcher.prepareToLaunch(Unknown Source) at com.sun.javaws.Launcher.launch(Unknown Source) at com.sun.javaws.Main.launchApp(Unknown Source) at com.sun.javaws.Main.continueInSecureThread(Unknown Source) at com.sun.javaws.Main.access$000(Unknown Source) at com.sun.javaws.Main$1.run(Unknown Source) at java.lang.Thread.run(Unknown Source) Suppressed: com.sun.deploy.security.RevocationChecker$StatusUnknownException at com.sun.deploy.security.RevocationChecker.checkCRLs(Unknown Source) ... 19 more Caused by: java.security.cert.CertPathValidatorException: Response is unreliable: its validity interval is out-of-date at sun.security.provider.certpath.OCSPResponse.verify(Unknown Source) at sun.security.provider.certpath.OCSP.check(Unknown Source) at sun.security.provider.certpath.OCSP.check(Unknown Source) at sun.security.provider.certpath.OCSP.check(Unknown Source) at sun.security.provider.certpath.OCSP.check(Unknown Source) at com.sun.deploy.security.RevocationChecker$2.run(Unknown Source) at com.sun.deploy.security.RevocationChecker$2.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at com.sun.deploy.security.RevocationChecker.doPrivilegedOCSPCheck(Unknown Source) ... 20 more

우선 저는 해당 에러가 발생했을 때 사용했던 방법은 아래와 같습니다.

해결 방안

1. 보안 등급 아주 높음 -> 높음

- 제어판 -> 'Java' 항목 선택

- JAVA항목을 실행하면 Java 제어판이 실행되는데 화면에서 '보안'탭을 선택하면 애플리케이션의 보안 레벨을 설정하는 화면이 나옵니다. 현재 저는 Java 1.7 이상 버전을 사용하여서 '중간' 레벨이 없지만 1.7 미만 버전의 경우 '중간' 레벨이 있기때문에 '중간'이 있을 경우 '중간'을 선택하셔도 됩니다.