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pig 0.10.0支持ruby UDF。所以，我正在尝试一个非常简单的例子。但出现以下错误。你知道为什么吗？pig：java.lang.NoClassDefFoundError：org/jruby/embed/ScriptingContainer
Pig Stack Trace
--------------- ERROR 2998: Unhandled internal error. org/jruby/embed/ScriptingContainer
java.lang.NoClassDefFoundError: org/jruby/embed/ScriptingContainer at
org.apache.pig.scripting.jruby.JrubyScriptEngine.<clinit>(JrubyScriptEngine.java:65)
at java.lang.Class.forName0(Native Method) at
java.lang.Class.forName(Class.java:169) at
org.apache.pig.scripting.ScriptEngine.getInstance(ScriptEngine.java:254)
at org.apache.pig.PigServer.registerCode(PigServer.java:523) at
org.apache.pig.tools.grunt.GruntParser.processRegister(GruntParser.java:422)
at
org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:419)
at
org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:189)
at
org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:165)
at org.apache.pig.tools.grunt.Grunt.exec(Grunt.java:84) at
org.apache.pig.Main.run(Main.java:555) at
org.apache.pig.Main.main(Main.java:111) at
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597) at
org.apache.hadoop.util.RunJar.main(RunJar.java:156) Caused by:
java.lang.ClassNotFoundException: org.jruby.embed.ScriptingContainer
at java.net.URLClassLoader$1.run(URLClassLoader.java:202) at
java.security.AccessController.doPrivileged(Native Method) at
java.net.URLClassLoader.findClass(URLClassLoader.java:190) at
java.lang.ClassLoader.loadClass(ClassLoader.java:306) at
sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at
java.lang.ClassLoader.loadClass(ClassLoader.java:247) ... 17 more
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