Change return type

cassandra/src/main/java/org/apache/zeppelin/cassandra/CassandraInterpreter.java

@@ -140,7 +140,7 @@ public class CassandraInterpreter extends Interpreter {
   public static final String LOGGING_DOWNGRADING_RETRY = "LOGGING_DOWNGRADING";
   public static final String LOGGING_FALLTHROUGH_RETRY = "LOGGING_FALLTHROUGH";
 
-  public static final List<InterpreterCompletion> NO_COMPLETION = new ArrayList<>();
+  public static final List NO_COMPLETION = new ArrayList<>();
 
   InterpreterLogic helper;
   Cluster cluster;

zeppelin-interpreter/src/main/java/org/apache/zeppelin/interpreter/ClassloaderInterpreter.java

@@ -156,7 +156,8 @@ public class ClassloaderInterpreter
     ClassLoader oldcl = Thread.currentThread().getContextClassLoader();
     Thread.currentThread().setContextClassLoader(cl);
     try {
-      return intp.completion(buf, cursor);
+      List completion = intp.completion(buf, cursor);
+      return completion;
     } catch (Exception e) {
       throw new InterpreterException(e);
     } finally {

zeppelin-interpreter/src/main/java/org/apache/zeppelin/interpreter/LazyOpenInterpreter.java

@@ -119,7 +119,8 @@ public class LazyOpenInterpreter
   @Override
   public List<InterpreterCompletion> completion(String buf, int cursor) {
     open();
-    return intp.completion(buf, cursor);
+    List completion = intp.completion(buf, cursor);
+    return completion;
   }
 
   @Override

zeppelin-interpreter/src/main/java/org/apache/zeppelin/interpreter/remote/RemoteInterpreter.java

@@ -389,7 +389,8 @@ public class RemoteInterpreter extends Interpreter {
 
     boolean broken = false;
     try {
-      return client.completion(noteId, className, buf, cursor);
+      List completion = client.completion(noteId, className, buf, cursor);
+      return completion;
     } catch (TException e) {
       broken = true;
       throw new InterpreterException(e);

zeppelin-interpreter/src/main/java/org/apache/zeppelin/interpreter/remote/RemoteInterpreterServer.java

@@ -416,7 +416,8 @@ public class RemoteInterpreterServer
                                                 int cursor)
       throws TException {
     Interpreter intp = getInterpreter(noteId, className);
-    return intp.completion(buf, cursor);
+    List completion = intp.completion(buf, cursor);
+    return completion;
   }
 
   private InterpreterContext convert(RemoteInterpreterContext ric) {

zeppelin-web/src/app/notebook/paragraph/paragraph.controller.js

@@ -784,6 +784,7 @@ angular.module('zeppelinWebApp')
               var completions = [];
               for (var c in data.completions) {
                 var v = data.completions[c];
+                console.log('%o', v);
                 console.log('%o %o', v.name, v.value);
                 completions.push({
                   name: v.name,

zeppelin-zengine/src/main/java/org/apache/zeppelin/notebook/Paragraph.java

@@ -208,7 +208,8 @@ public class Paragraph extends Job implements Serializable, Cloneable {
       return null;
     }
 
-    return repl.completion(body, cursor);
+    List completion = repl.completion(body, cursor);
+    return completion;
   }
 
   public void setNoteReplLoader(NoteInterpreterLoader repls) {