Prevent EmptyStackException in case no stack of prompts is empty

2014-02-16 14:05:25 +01:00 · 2014-02-16 14:05:25 +01:00 · 703d7d3fd9
parent fc4aabde75
commit 703d7d3fd9
1 changed files with 3 additions and 1 deletions
--- a/spring-boot-cli/src/main/java/org/springframework/boot/cli/command/shell/ShellPrompts.java
+++ b/spring-boot-cli/src/main/java/org/springframework/boot/cli/command/shell/ShellPrompts.java
@ -43,7 +43,9 @@ public class ShellPrompts {
 	 * @see #pushPrompt(String)
 	 */
 	public void popPrompt() {
-		this.prompts.pop();
+		if (!this.prompts.isEmpty()) {
+			this.prompts.pop();
+		}
 	}

 	/**