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https://issues.apache.org/jira/browse/DRILL-6724?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16603035#comment-16603035
]
ASF GitHub Bot commented on DRILL-6724:
---------------------------------------
vdiravka commented on a change in pull request #1455: DRILL-6724: Convert
IndexOutOfBounds exception to UserException with …
URL: https://github.com/apache/drill/pull/1455#discussion_r214878343
##########
File path:
exec/java-exec/src/main/java/org/apache/drill/exec/store/AbstractRecordReader.java
##########
@@ -105,4 +106,22 @@ public void allocate(Map<String, ValueVector> vectorMap)
throws OutOfMemoryExcep
return GroupScan.ALL_COLUMNS;
}
+ @Override
+ public UserException createUserException(int type, Throwable cause, String
message) {
+ return null;
+ }
+
+ // Construct builder depending on type
+ protected UserException.Builder getExceptionBuilder(int type, Throwable
cause) {
+ if (type < ERROR_TYPE_DATA_READ || type > ERROR_TYPE_INTERNAL) {
Review comment:
If a new ERROR type is introduced between above two ones, it should be
obligatorily reflected here
What about:
```
UserException.Builder builder;
if (type == ERROR_TYPE_DATA_READ) {
builder = UserException.dataReadError(cause);
} else if (type == ERROR_TYPE_INTERNAL) {
builder = UserException.internalError(cause);
} else {
throw new IllegalArgumentException("Unknown error type: " + type);
}
return builder;
```
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> Convert IndexOutOfBounds exception to UserException with context data where
> possible
> ------------------------------------------------------------------------------------
>
> Key: DRILL-6724
> URL: https://issues.apache.org/jira/browse/DRILL-6724
> Project: Apache Drill
> Issue Type: Improvement
> Affects Versions: 1.14.0
> Reporter: Bohdan Kazydub
> Assignee: Bohdan Kazydub
> Priority: Major
> Fix For: 1.15.0
>
>
> Sometimes when IndexOutOfBoundsException is exposed to users it is not clear
> what causes the problem. Instead this exception may be converted to a more
> useful UserException containing context data like filename, line, position
> etc (depending on what is available from a reader for a given type).
> A possible approach is to add a method to a RecordReader interface which
> produces UserException of type ErrorType.DATA_READ with context data, so that
> when such an UserException is needed it can be easily obtained by invoking
> the method.
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