# JENKINS WON'T START
Oct 01, 2021 10:39:25 PM Main verifyJavaVersion
SEVERE: Running with Java class version 61 which is not in the list of supported versions: [52, 55]. Run with the --enable-future-java flag to enable such behavior. See https://jenkins.io/redirect/java-support/
java.lang.UnsupportedClassVersionError: 61.0
	at Main.verifyJavaVersion(Main.java:174)
	at Main.main(Main.java:142)

Jenkins requires Java versions [8, 11] but you are running with Java 17 from C:\Program Files\Java\jdk-17
java.lang.UnsupportedClassVersionError: 61.0
	at Main.verifyJavaVersion(Main.java:174)
	at Main.main(Main.java:142)


# PLUGINS NOT INSTALLING
 Failure -
sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
	at java.base/sun.security.provider.certpath.SunCertPathBuilder.build(SunCertPathBuilder.java:141)
	at java.base/sun.security.provider.certpath.SunCertPathBuilder.engineBuild(SunCertPathBuilder.java:126)
	at java.base/java.security.cert.CertPathBuilder.build(CertPathBuilder.java:297)
	at java.base/sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:380)