johnjcasey commented on code in PR #30372:
URL: https://github.com/apache/beam/pull/30372#discussion_r1504567778
##########
sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/pubsub/PreparePubsubWriteDoFn.java:
##########
@@ -125,18 +140,42 @@ public void process(
@Timestamp Instant ts,
BoundedWindow window,
PaneInfo paneInfo,
- OutputReceiver<PubsubMessage> o) {
+ MultiOutputReceiver o)
+ throws Exception {
ValueInSingleWindow<InputT> valueInSingleWindow =
ValueInSingleWindow.of(element, ts, window, paneInfo);
- PubsubMessage message = formatFunction.apply(valueInSingleWindow);
+ PubsubMessage message;
+ try {
+ message = formatFunction.apply(valueInSingleWindow);
+ } catch (Exception e) {
+ badRecordRouter.route(
+ o,
+ element,
+ inputCoder,
+ e,
+ "Failed to serialize PubSub message with provided format function");
+ return;
+ }
if (topicFunction != null) {
- message =
message.withTopic(topicFunction.apply(valueInSingleWindow).asPath());
+ try {
+ message =
message.withTopic(topicFunction.apply(valueInSingleWindow).asPath());
+ } catch (Exception e) {
+ badRecordRouter.route(
+ o, element, inputCoder, e, "Failed to determine PubSub topic using
topic function");
Review Comment:
In this case, I'm adding the input element, which is what should be
meaningful to the user
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