java.lang.VerifyError: class org.jruby.jubilee.RackEnvironmentHash overrides final method to_s19.(Lorg/jruby/runtime/ThreadContext;)Lorg/jruby/runtime/builtin/IRubyObject;
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:763)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:467)
at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at org.jruby.jubilee.RackApplication.(RackApplication.java:46)
at org.jruby.jubilee.JubileeVerticle.start(JubileeVerticle.java:51)
at io.vertx.core.AbstractVerticle.start(AbstractVerticle.java:111)
at io.vertx.core.impl.DeploymentManager.lambda$doDeploy$163(DeploymentManager.java:429)
at io.vertx.core.impl.ContextImpl.lambda$wrapTask$18(ContextImpl.java:335)
at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:358)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:357)
at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:112)
at java.lang.Thread.run(Thread.java:745)
java.lang.VerifyError: class org.jruby.jubilee.RackEnvironmentHash overrides final method to_s19.(Lorg/jruby/runtime/ThreadContext;)Lorg/jruby/runtime/builtin/IRubyObject; at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:763) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) at java.net.URLClassLoader.defineClass(URLClassLoader.java:467) at java.net.URLClassLoader.access$100(URLClassLoader.java:73) at java.net.URLClassLoader$1.run(URLClassLoader.java:368) at java.net.URLClassLoader$1.run(URLClassLoader.java:362) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:361) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) at org.jruby.jubilee.RackApplication.(RackApplication.java:46)
at org.jruby.jubilee.JubileeVerticle.start(JubileeVerticle.java:51)
at io.vertx.core.AbstractVerticle.start(AbstractVerticle.java:111)
at io.vertx.core.impl.DeploymentManager.lambda$doDeploy$163(DeploymentManager.java:429)
at io.vertx.core.impl.ContextImpl.lambda$wrapTask$18(ContextImpl.java:335)
at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:358)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:357)
at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:112)
at java.lang.Thread.run(Thread.java:745)