solved the side output problem

src/main/scala/net/juliobiason/SideoutputSample.scala

@@ -217,7 +217,7 @@ object SideouputSample {
 
     // Split each metric (based on their classes) on a different sideout, which
     // we'll plug a different sink.
-    pipeline
+    val result = pipeline
       .process(new ProcessFunction[Metric, Metric] {
         override def processElement(
           value:Metric,
@@ -239,7 +239,7 @@ object SideouputSample {
       })
 
     // collect all simple metrics
-    pipeline
+    result
       .getSideOutput(outputSimple)
       // the sink would, usually, be the JDBCOutputFormat here, but we
       // only want to print the results, so this will do, pig.
@@ -249,7 +249,7 @@ object SideouputSample {
         }
       })
 
-    pipeline
+    result
       .getSideOutput(outputComplex)
       .addSink(new SinkFunction[Metric] {
         def inkoke(value:Metric):Unit = {