aravi5 commented on a change in pull request #1626: DRILL-6855: Query from
non-existent proxy user fails with "No default schema selected" when
impersonation is enabled
URL: https://github.com/apache/drill/pull/1626#discussion_r256137047
##########
File path:
common/src/main/java/org/apache/drill/common/exceptions/UserExceptionUtils.java
##########
@@ -0,0 +1,23 @@
+package org.apache.drill.common.exceptions;
+
+/**
+ * Provides utilities (such as retrieving hints) to add more context to
UserExceptions.
+ */
+public class UserExceptionUtils {
+ public static final String USER_DOES_NOT_EXIST =
+ "Username is absent in connection URL or doesn't exist on Drillbit
node." +
+ " Please specify a username in connection URL which is present on
Drillbit node.";
+
+ private static String decorateHint(final String text) {
+ return String.format("[Hint: %s]", text);
+ }
+ public static String getUserHint(final Throwable ex) {
+ if (ex.getMessage().startsWith("Error getting user info for current
user")) {
+ //User does not exist hint
+ return decorateHint(USER_DOES_NOT_EXIST);
+ } else {
+ //No hint can be provided
+ return "";
+ }
+ }
Review comment:
Sure.
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