ayushtkn commented on code in PR #4671:
URL: https://github.com/apache/hadoop/pull/4671#discussion_r936053862
##########
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/ExitUtil.java:
##########
@@ -94,7 +94,12 @@ public String toString() {
if (message == null) {
message = super.toString();
}
- return Integer.toString(status) + ": " + message;
+ String finalString = status + ": " + message;
+ Throwable cause = getCause();
+ if (cause != null) {
+ finalString = finalString + " : \n" + "cause: " + cause.getMessage();
+ }
+ return finalString;
Review Comment:
Are we changing the response string, I am not sure about the compatibility
here.
The above javadoc says
```
String value does not include exception type, just exit code and message.
```
We shouldn't make prod level API changes for MiniDFSCluster
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