[GitHub] [hadoop-ozone] supratimdeka commented on a change in pull request #47: HDDS-2208. Propagate System Exceptions from OM transaction apply phase. Contributed by Supratim Deka

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supratimdeka commented on a change in pull request #47: HDDS-2208. Propagate System Exceptions from OM transaction apply phase. Contributed by Supratim Deka
URL: https://github.com/apache/hadoop-ozone/pull/47#discussion_r336407243
 
 

 ##########
 File path: hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/request/OMClientRequest.java
 ##########
 @@ -180,13 +181,22 @@ protected OMResponse createErrorOMResponse(
       @Nonnull OMResponse.Builder omResponse, @Nonnull IOException ex) {
 
     omResponse.setSuccess(false);
-    if (ex.getMessage() != null) {
-      omResponse.setMessage(ex.getMessage());
+    String errorMsg = exceptionErrorMessage(ex);
+    if (errorMsg != null) {
+      omResponse.setMessage(errorMsg);
     }
     omResponse.setStatus(OzoneManagerRatisUtils.exceptionToResponseStatus(ex));
     return omResponse.build();
   }
 
+  private String exceptionErrorMessage(IOException ex) {
+    if (ex instanceof OMException) {
+      return ex.getMessage();
+    } else {
+        return org.apache.hadoop.util.StringUtils.stringifyException(ex);
 
 Review comment:
   done

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