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https://issues.apache.org/jira/browse/BEAM-8100?focusedWorklogId=307972&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-307972
]
ASF GitHub Bot logged work on BEAM-8100:
----------------------------------------
Author: ASF GitHub Bot
Created on: 06/Sep/19 15:54
Start Date: 06/Sep/19 15:54
Worklog Time Spent: 10m
Work Description: aromanenko-dev commented on pull request #9499:
[BEAM-8100] Exception handling for AsJsons and ParseJsons
URL: https://github.com/apache/beam/pull/9499#discussion_r321801038
##########
File path:
sdks/java/extensions/jackson/src/main/java/org/apache/beam/sdk/extensions/jackson/AsJsons.java
##########
@@ -56,6 +63,35 @@ private AsJsons(Class<? extends InputT> outputClass) {
return newTransform;
}
+ /**
+ * Returns a new {@link AsJsonsWithFailures} transform that catches
exceptions raised while
+ * writing JSON elements, passing the raised exception instance and the
input element being
+ * processed through the given {@code exceptionHandler} and emitting the
result to a failure
+ * collection.
+ *
+ * <p>Example usage:
+ *
+ * <pre>{@code
+ * WithFailures.Result<PCollection<String>, KV<MyPojo, Map<String, String>>>
result =
+ * pojos.apply(
+ * AsJsons.of(MyPojo.class)
+ * .withFailures(new
WithFailures.ExceptionAsMapHandler<MyPojo>() {}));
+ *
+ * PCollection<String> output = result.output(); // valid json elements
+ * PCollection<KV<MyPojo, Map<String, String>>> failures = result.failures();
+ * }</pre>
+ */
+ @Experimental(Experimental.Kind.WITH_EXCEPTIONS)
+ public <FailureT> AsJsonsWithFailures<FailureT> withFailures(
Review comment:
Agree to use the same API names for all transforms. Perhaps, it would make
sense to add an interface for that?
Also, do we need to have separate method `exceptionsInto` only for lambdas?
And finally, yes, I also was thinking to have default exception handler. So,
I think it will be a good idea to add this, thanks.
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Issue Time Tracking
-------------------
Worklog Id: (was: 307972)
Time Spent: 1.5h (was: 1h 20m)
> Add exception handling to Json transforms in Java SDK
> -----------------------------------------------------
>
> Key: BEAM-8100
> URL: https://issues.apache.org/jira/browse/BEAM-8100
> Project: Beam
> Issue Type: Improvement
> Components: extensions-java-json, sdk-java-core
> Reporter: Jeff Klukas
> Assignee: Alexey Romanenko
> Priority: Minor
> Time Spent: 1.5h
> Remaining Estimate: 0h
>
> Follow-up to https://issues.apache.org/jira/browse/BEAM-5638. We have
> exception handling for MapElements and FlatMapElements. It should be
> straightforward to add parallel signatures to AsJsons and ParseJsons for
> catching parsing errors.
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