Fix exception when when no command entered

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@961452 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 1 insertions, 1 deletions

diff --git a/sca-java-2.x/trunk/modules/shell/src/main/java/org/apache/tuscany/sca/shell/Shell.java b/sca-java-2.x/trunk/modules/shell/src/main/java/org/apache/tuscany/sca/shell/Shell.java
index 51431379ba..c340572b2a 100644
--- a/sca-java-2.x/trunk/modules/shell/src/main/java/org/apache/tuscany/sca/shell/Shell.java
+++ b/sca-java-2.x/trunk/modules/shell/src/main/java/org/apache/tuscany/sca/shell/Shell.java
@@ -273,7 +273,7 @@ public class Shell {
     }

 

     Callable<Boolean> eval(final List<String> toks) {

-        final String op = toks.get(0);

+        final String op = toks.size() > 0 ? toks.get(0) : "";

 

         if (op.equalsIgnoreCase("addDeploymentComposite")) return new Callable<Boolean>() { public Boolean call() throws Exception {

             return addDeploymentComposite(toks.get(1), toks.get(2));