java.lang.NoClassDefFoundError: com/redhat/ceylon/common/tools/ModuleSpec$Option

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Samebug tips

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you can change your scala version to 2.11.11

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Expert tip

A few things cause this exception:
1) Check if you have all jars and if they're in the correct path.
2) Your classpath might be broken, you can define it in the command line with java -cp yourClassPath or at your IDE if you're using one.

Solutions on the web

via Google Groups by Unknown author, 1 year ago
com/redhat/ceylon/common/tools/ModuleSpec$Option
java.lang.NoClassDefFoundError: com/redhat/ceylon/common/tools/ModuleSpec$Option
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at io.vertx.lang.ceylon.CeylonVerticleFactory.createVerticle(CeylonVerticleFactory.java:115)
at io.vertx.core.impl.DeploymentManager.createVerticles(DeploymentManager.java:184)
at io.vertx.core.impl.DeploymentManager.lambda$null$0(DeploymentManager.java:141)
at io.vertx.core.impl.ContextImpl.lambda$executeBlocking$2(ContextImpl.java:303)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)

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