Minor changes in RemoteExecutor.java and LocalExecutor.java. Removed obsolete...

Minor changes in RemoteExecutor.java and LocalExecutor.java. Removed obsolete null-value check in the finally clauses in LocalExecutor.java. Returning proper exit code in RemoteExecutor.java.

pact/pact-clients/src/main/java/eu/stratosphere/pact/client/LocalExecutor.java

@@ -151,11 +151,9 @@ public class LocalExecutor implements PlanExecutor {
 			exec.start();
 			return exec.executePlan(plan);
 		} finally {
-			if (exec != null) {
 			exec.stop();
 		}
 	}
-	}
 
 	/**
 	 * Returns a JSON dump of the optimized plan.
@@ -175,11 +173,9 @@ public class LocalExecutor implements PlanExecutor {
 
 			return gen.getOptimizerPlanAsJSON(op);
 		} finally {
-			if (exec != null) {
 			exec.stop();
 		}
 	}
-	}
 
 	/**
 	 * Return unoptimized plan as JSON.

pact/pact-clients/src/main/java/eu/stratosphere/pact/client/RemoteExecutor.java

@@ -11,6 +11,7 @@ import eu.stratosphere.pact.common.plan.Plan;
 public class RemoteExecutor implements PlanExecutor {
 
 	private Client client;
+
 	private List<String> jarFiles;
 
 	public RemoteExecutor(String hostname, int port, List<String> jarFiles) {
@@ -25,8 +26,7 @@ public class RemoteExecutor implements PlanExecutor {
 
 	@Override
 	public long executePlan(Plan plan) throws Exception {
-		PlanWithJars p = new PlanWithJars(plan, jarFiles);
-		client.run(p, true);
-		return 0;
+		PlanWithJars p = new PlanWithJars(plan, this.jarFiles);
+		return this.client.run(p, true);
 	}
 }