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fix(events): serialize connector payloads as JSON text #2077

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659966d
fix(events): serialize connector payloads as JSON text
gopikrishna000 Aug 7, 2026
8bbf462
fix(events): include error field in JSON-text stringification
gopikrishna000 Aug 11, 2026
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32 changes: 32 additions & 0 deletions crates/common/common_utils/src/events.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -472,6 +472,18 @@ impl EventStage {
pub struct KafkaTopicConfig {
pub topic: String,
pub partition_key_field: String,
#[serde(default)]
pub payload_format: EventPayloadFormat,
}

#[derive(
Debug, Clone, Copy, Default, Deserialize, Serialize, PartialEq, config_patch_derive::Patch,
)]
#[serde(rename_all = "snake_case")]
pub enum EventPayloadFormat {
#[default]
Json,
JsonString,
}

/// Configuration for events system
Expand Down Expand Up @@ -614,9 +626,29 @@ pub(crate) fn process_event_with_config(
}
}

if config.topic_config(&event.stage).payload_format == EventPayloadFormat::JsonString {
stringify_event_payloads(&mut result);
}

Ok(result)
}

fn stringify_event_payloads(result: &mut serde_json::Value) {
let Some(obj) = result.as_object_mut() else {
return;
};

for field in ["request_data", "response_data", "error"] {
let Some(value) = obj.get_mut(field) else {
continue;
};

if !value.is_null() && !value.is_string() {
*value = serde_json::Value::String(value.to_string());
}
}
}

pub(crate) fn extract_from_request(
event_value: &serde_json::Value,
extraction_path: &str,
Expand Down
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