A simple TLS connection case with system property -Djdk.tls.namedGroups=Secp256r1 failed on the below error,

java.lang.NoClassDefFoundError: Could not initialize class sun.security.ssl.SupportedGroupsExtension$SupportedGroups
at java.base/sun.security.ssl.HandshakeContext.isActivatable(HandshakeContext.java:528)
at java.base/sun.security.ssl.HandshakeContext.getActiveProtocols(HandshakeContext.java:290)
at java.base/sun.security.ssl.HandshakeContext.<init>(HandshakeContext.java:167)
at java.base/sun.security.ssl.ServerHandshakeContext.<init>(ServerHandshakeContext.java:62)
at java.base/sun.security.ssl.TransportContext.kickstart(TransportContext.java:221)
at java.base/sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:430)
at java.base/sun.security.ssl.SSLSocketImpl.ensureNegotiated(SSLSocketImpl.java:880)
at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:971)
at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:931)
at SSLSocketTemplate.runServerApplication(SSLSocketTemplate.java:99)
at SSLSocketTemplate.doServerSide(SSLSocketTemplate.java:288)
at SSLSocketTemplate.startServer(SSLSocketTemplate.java:592)
at SSLSocketTemplate.bootup(SSLSocketTemplate.java:506)
at SSLSocketTemplate.run(SSLSocketTemplate.java:88)
at SSLSocketTemplate.main(SSLSocketTemplate.java:81)
Exception in thread "Thread-0" java.lang.ExceptionInInitializerError
at java.base/sun.security.ssl.HandshakeContext.isActivatable(HandshakeContext.java:528)
at java.base/sun.security.ssl.HandshakeContext.getActiveProtocols(HandshakeContext.java:290)
at java.base/sun.security.ssl.HandshakeContext.<init>(HandshakeContext.java:167)
at java.base/sun.security.ssl.ClientHandshakeContext.<init>(ClientHandshakeContext.java:98)
at java.base/sun.security.ssl.TransportContext.kickstart(TransportContext.java:220)
at java.base/sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:430)
at java.base/sun.security.ssl.SSLSocketImpl.ensureNegotiated(SSLSocketImpl.java:880)
at java.base/sun.security.ssl.SSLSocketImpl$AppOutputStream.write(SSLSocketImpl.java:1250)
at java.base/sun.security.ssl.SSLSocketImpl$AppOutputStream.write(SSLSocketImpl.java:1222)
at SSLSocketTemplate.runClientApplication(SSLSocketTemplate.java:117)
at SSLSocketTemplate.doClientSide(SSLSocketTemplate.java:367)
at SSLSocketTemplate$2.run(SSLSocketTemplate.java:606)
Caused by: java.lang.IllegalArgumentException: System property jdk.tls.namedGroups(Secp256r1) contains no supported named groups
at java.base/sun.security.ssl.SupportedGroupsExtension$SupportedGroups.<clinit>(SupportedGroupsExtension.java:200)

If the value is secp256r1, this case passed.