Comment 3 for bug 1691126

PuppetDB suffers from the same (or a similar problem):
7-05-17 00:30:47,343 WARN [o.e.j.u.t.QueuedThreadPool] Unexpected thread death: org.eclipse.jetty.util.thread.QueuedThreadPool$3@75c8fe98 in qtp987139935{STARTED,8<=10<=200,i=3,q=0}
2017-05-17 00:30:48,282 WARN [o.e.j.u.t.QueuedThreadPool]
java.lang.NoClassDefFoundError: Could not initialize class sun.security.ssl.SupportedEllipticCurvesExtension
        at sun.security.ssl.HelloExtensions.<init>(HelloExtensions.java:85) ~[na:1.7.0_131]
        at sun.security.ssl.HandshakeMessage$ClientHello.<init>(HandshakeMessage.java:240) ~[na:1.7.0_131]
        at sun.security.ssl.ServerHandshaker.processMessage(ServerHandshaker.java:219) ~[na:1.7.0_131]
        at sun.security.ssl.Handshaker.processLoop(Handshaker.java:961) ~[na:1.7.0_131]
        at sun.security.ssl.Handshaker$1.run(Handshaker.java:901) ~[na:1.7.0_131]
        at sun.security.ssl.Handshaker$1.run(Handshaker.java:899) ~[na:1.7.0_131]
        at java.security.AccessController.doPrivileged(Native Method) ~[na:1.7.0_131]
        at sun.security.ssl.Handshaker$DelegatedTask.run(Handshaker.java:1333) ~[na:1.7.0_131]
        at org.eclipse.jetty.io.ssl.SslConnection$DecryptedEndPoint.fill(SslConnection.java:612) ~[puppetdb.jar:na]
        at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:239) ~[puppetdb.jar:na]
        at org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:540) ~[puppetdb.jar:na]
        at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635) ~[puppetdb.jar:na]
        at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555) ~[puppetdb.jar:na]
        at java.lang.Thread.run(Thread.java:745) [na:1.7.0_131]