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https://issues.apache.org/jira/browse/DRILL-7888?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17311806#comment-17311806
]
ASF GitHub Bot commented on DRILL-7888:
---------------------------------------
vvysotskyi commented on a change in pull request #2194:
URL: https://github.com/apache/drill/pull/2194#discussion_r604409604
##########
File path:
exec/java-exec/src/main/java/org/apache/drill/exec/server/rest/stream/StreamingHttpConnection.java
##########
@@ -219,12 +230,39 @@ private void emitRows(RowSetReader batchReader) throws
IOException {
*/
public void finish() throws IOException {
JsonOutput gen = writer.jsonOutput();
- gen.writeEndArray();
- writeNewline(gen);
+ if (batchCount == 0) {
+ startHeader();
+ if (options != null &&
+
Boolean.parseBoolean(options.get(ExecConstants.ENABLE_VERBOSE_ERRORS_KEY))) {
+ emitErrorInfo();
+ }
+ } else {
+ gen.writeEndArray();
+ writeNewline(gen);
+ }
gen.writeFieldName("queryState");
gen.writeVarChar(getQueryState());
writeNewline(gen);
gen.writeEndObject();
writeNewline(gen);
}
+
+ private void emitErrorInfo() throws IOException {
+ JsonOutput gen = writer.jsonOutput();
+ Throwable exception =
DrillExceptionUtil.getThrowable(error.getException());
+ if (exception != null) {
+ gen.writeFieldName("exception");
+ gen.writeVarChar(exception.getClass().getName());
+ writeNewline(gen);
+ gen.writeFieldName("errorMessage");
+ gen.writeVarChar(exception.getMessage());
+ writeNewline(gen);
+ gen.writeFieldName("stackTrace");
Review comment:
Good point, thanks, updated the code to pass stack trace items as a list
and updated the PR description with the example of how it will look like.
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> query.json returns an incorrect error message when the query fails
> ------------------------------------------------------------------
>
> Key: DRILL-7888
> URL: https://issues.apache.org/jira/browse/DRILL-7888
> Project: Apache Drill
> Issue Type: Bug
> Affects Versions: 1.19.0
> Reporter: Vova Vysotskyi
> Assignee: Vova Vysotskyi
> Priority: Major
> Fix For: 1.19.0
>
>
> When submitting a query that should fail to \{{query.json}} endpoint, it
> always returns the same response regardless of the actual failure reason:
> {code:json}
> {
> "errorMessage": "Current context not Array but root"
> }
> {code}
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