Akka doesn't support the -version
command. One way to find out if your installation works is running a simple boot class, as Akka suggests:
> akka
No boot classes specified
Usage: bin/akka org.somewhere.BootClass
Domanda
I have installed Akka and need to verify whether the installation is successful. I simply used
akka -version
but this gave an error. What would be the reason? Does akka not supporting -version? This is the error it is reporting
Starting Akka...
Running Akka 2.2.4
Exception in thread "main" java.lang.ClassNotFoundException: -version
at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
at akka.kernel.Main$$anonfun$1.apply(Main.scala:82)
at akka.kernel.Main$$anonfun$1.apply(Main.scala:82)
at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
at scala.collection.Iterator$class.foreach(Iterator.scala:727)
at scala.collection.AbstractIterator.foreach(Iterator.scala:1157)
at scala.collection.IterableLike$class.foreach(IterableLike.scala:72)
at scala.collection.AbstractIterable.foreach(Iterable.scala:54)
at scala.collection.TraversableLike$class.map(TraversableLike.scala:244)
at scala.collection.AbstractTraversable.map(Traversable.scala:105)
at akka.kernel.Main$.main(Main.scala:82)
at akka.kernel.Main.main(Main.scala)
Soluzione
Akka doesn't support the -version
command. One way to find out if your installation works is running a simple boot class, as Akka suggests:
> akka
No boot classes specified
Usage: bin/akka org.somewhere.BootClass