Hi experts! I am trying to use spark in my restful webservices.I am using
scala lift frramework for writing web services. Here is my boot class
class Boot extends Bootable {
def boot {
Constants.loadConfiguration
val sc=new SparkContext(new
SparkConf().setMaster("local").setAppName("services"))
// Binding Service as a Restful API
LiftRules.statelessDispatchTable.append(RestfulService);
// resolve the trailing slash issue
LiftRules.statelessRewrite.prepend({
case RewriteRequest(ParsePath(path, _, _, true), _, _) if path.last ==
"index" => RewriteResponse(path.init)
})
}
}
When i remove this line val sc=new SparkContext(new
SparkConf().setMaster("local").setAppName("services"))
then it works fine.
I am starting services using command
java -jar start.jar jetty.port=1111
and get following exception
ERROR net.liftweb.http.provider.HTTPProvider - Failed to Boot! Your
application may not run properly
java.lang.NoClassDefFoundError:
org/eclipse/jetty/server/handler/ContextHandler$NoContext
at
org.eclipse.jetty.servlet.ServletContextHandler.newServletHandler(ServletContextHandler.java:260)
at
org.eclipse.jetty.servlet.ServletContextHandler.getServletHandler(ServletContextHandler.java:322)
at
org.eclipse.jetty.servlet.ServletContextHandler.relinkHandlers(ServletContextHandler.java:198)
at
org.eclipse.jetty.servlet.ServletContextHandler.<init>(ServletContextHandler.java:157)
at
org.eclipse.jetty.servlet.ServletContextHandler.<init>(ServletContextHandler.java:135)
at
org.eclipse.jetty.servlet.ServletContextHandler.<init>(ServletContextHandler.java:129)
at
org.eclipse.jetty.servlet.ServletContextHandler.<init>(ServletContextHandler.java:99)
at
org.apache.spark.ui.JettyUtils$.createServletHandler(JettyUtils.scala:96)
at
org.apache.spark.ui.JettyUtils$.createServletHandler(JettyUtils.scala:87)
at org.apache.spark.ui.WebUI.attachPage(WebUI.scala:67)
at
org.apache.spark.ui.WebUI$$anonfun$attachTab$1.apply(WebUI.scala:60)
at
org.apache.spark.ui.WebUI$$anonfun$attachTab$1.apply(WebUI.scala:60)
at
scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)
at
scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:47)
at org.apache.spark.ui.WebUI.attachTab(WebUI.scala:60)
at org.apache.spark.ui.SparkUI.initialize(SparkUI.scala:50)
at org.apache.spark.ui.SparkUI.<init>(SparkUI.scala:63)
Any suggestion please?
Am I using right command to run this ?
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