jerryshao commented on a change in pull request #237: [LIVY-688] Error message 
of BypassJobStatus should contains cause information of Exception
URL: https://github.com/apache/incubator-livy/pull/237#discussion_r329334431
 
 

 ##########
 File path: rsc/src/main/java/org/apache/livy/rsc/Utils.java
 ##########
 @@ -91,13 +92,7 @@ public static String join(Iterable<String> strs, String 
sep) {
   }
 
   public static String stackTraceAsString(Throwable t) {
-    StringBuilder sb = new StringBuilder();
-    sb.append(t.getClass().getName()).append(": ").append(t.getMessage());
-    for (StackTraceElement e : t.getStackTrace()) {
-      sb.append("\n");
-      sb.append(e.toString());
-    }
-    return sb.toString();
+    return Throwables.getStackTraceAsString(t);
 
 Review comment:
   Would you please change to not use Guava? We removed the Guava support in 
Livy server side, and if this method will be used in server side in future, 
this will potentially cause some issues. CC @runzhiwang .

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