Github user ishark commented on a diff in the pull request:
https://github.com/apache/incubator-apex-core/pull/250#discussion_r57633606
--- Diff:
engine/src/main/java/com/datatorrent/stram/plan/logical/LogicalPlanConfiguration.java
---
@@ -2435,7 +2435,7 @@ private void setAttributes(List<? extends Conf>
confs, Attribute.AttributeMap at
else {
if (processedAttributes.add(attribute)) {
String val = e.getValue();
- if (val.trim().charAt(0) == '{') {
+ if (val.trim().charAt(0) == '{' && !(attribute.codec
instanceof JsonStringCodec)) {
--- End diff --
Nested objects parsing was failing with default JSON parsing. It needed
className for correct parsing, so added JsonStringCodec.
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