[LIVY-688] Error message of BypassJobStatus should contains cause information of Exception
## What changes were proposed in this pull request?
Change the implement of org.apache.livy.rsc.Utils.stackTraceAsString to guava Throwables.getStackTraceAsString, so that user can receive details of error message by calling org.apache.livy.client.http.JobHandleImpl.get.
https://issues.apache.org/jira/browse/LIVY-688
Author: weiwenda <weiwenda@qq.com>
Closes #237 from WeiWenda/livy-err-clear.
diff --git a/rsc/src/main/java/org/apache/livy/rsc/Utils.java b/rsc/src/main/java/org/apache/livy/rsc/Utils.java
index d2c0059..3c8a5e6 100644
--- a/rsc/src/main/java/org/apache/livy/rsc/Utils.java
+++ b/rsc/src/main/java/org/apache/livy/rsc/Utils.java
@@ -17,6 +17,8 @@
package org.apache.livy.rsc;
+import java.io.PrintWriter;
+import java.io.StringWriter;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.atomic.AtomicInteger;
@@ -91,13 +93,9 @@
}
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();
+ StringWriter stringWriter = new StringWriter();
+ t.printStackTrace(new PrintWriter(stringWriter));
+ return stringWriter.toString();
}
public static <T> void addListener(Future<T> future, final FutureListener<T> lsnr) {
