java.lang.UnsupportedClassVersionError: org/apache/tomcat/jni/SSL : Unsupported major.minor version 51.0

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Root Cause Analysis

  1. java.lang.UnsupportedClassVersionError

    org/apache/tomcat/jni/SSL : Unsupported major.minor version 51.0

    at java.lang.ClassLoader.defineClass1()
  2. Java RT
    Class.forName
    1. java.lang.ClassLoader.defineClass1(Native Method)
    2. java.lang.ClassLoader.defineClassCond(ClassLoader.java:631)
    3. java.lang.ClassLoader.defineClass(ClassLoader.java:615)
    4. java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
    5. java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
    6. java.net.URLClassLoader.access$000(URLClassLoader.java:58)
    7. java.net.URLClassLoader$1.run(URLClassLoader.java:197)
    8. java.security.AccessController.doPrivileged(Native Method)
    9. java.net.URLClassLoader.findClass(URLClassLoader.java:190)
    10. java.lang.ClassLoader.loadClass(ClassLoader.java:306)
    11. sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
    12. java.lang.ClassLoader.loadClass(ClassLoader.java:247)
    13. java.lang.Class.forName0(Native Method)
    14. java.lang.Class.forName(Class.java:247)
    14 frames
  3. Netty
    OpenSsl.<clinit>
    1. io.netty.handler.ssl.OpenSsl.<clinit>(OpenSsl.java:47)
    1 frame
  4. com.relayrides.pushy
    ApnsClient.<init>
    1. com.relayrides.pushy.apns.ApnsClient.getBaseSslContextBuilder(ApnsClient.java:292)
    2. com.relayrides.pushy.apns.ApnsClient.getSslContextWithCertificateAndPrivateKey(ApnsClient.java:285)
    3. com.relayrides.pushy.apns.ApnsClient.getSslContextWithP12File(ApnsClient.java:281)
    4. com.relayrides.pushy.apns.ApnsClient.<init>(ApnsClient.java:198)
    5. com.relayrides.pushy.apns.ApnsClient.<init>(ApnsClient.java:177)
    5 frames
  5. Unknown
    App.main
    1. App.connect(App.java:23)
    2. App.main(App.java:84)
    2 frames