Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Fixes a bug in the S3 sink where events without handles throw NPE #2814

Merged
merged 2 commits into from
Jun 5, 2023
Merged

Fixes a bug in the S3 sink where events without handles throw NPE #2814

Changes from 1 commit
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
c6963ea
Fixes a bug in the S3 sink where events without handles are throwing …
dlvenable Jun 2, 2023
adda827
Added a unit test and removed an unnecessary catch. Also, don't inter…
dlvenable Jun 5, 2023
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Jump to
Jump to file
Failed to load files.
Diff view
Diff view
6 changes: 4 additions & 2 deletions ...-plugins/s3-sink/src/main/java/org/opensearch/dataprepper/plugins/sink/S3SinkService.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -106,7 +106,9 @@ void output(Collection<Record<Event>> records) {
final byte[] encodedBytes = encodedEvent.getBytes();

currentBuffer.writeEvent(encodedBytes);
bufferedEventHandles.add(event.getEventHandle());
Copy link
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Should we add a unit test to confirm this is fixed? And help prevent future NPEs around this leak into this plugin?

Copy link
Member Author

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

I actually tried this, but I was not able to get it to crash such that the test would actually show any verification.

Copy link
Collaborator

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Null event handle would be the default case when not using end-to-end acknowledgements.

Copy link
Member Author

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

@cmanning09 , I found that there was an unnecessary try-catch on NullPointerException. I removed that and was able to add a valid test.

if(event.getEventHandle() != null) {
bufferedEventHandles.add(event.getEventHandle());
}
if (ThresholdCheck.checkThresholdExceed(currentBuffer, maxEvents, maxBytes, maxCollectionDuration)) {
final String s3Key = generateKey();
LOG.info("Writing {} to S3 with {} events and size of {} bytes.",
Expand Down Expand Up @@ -134,7 +136,7 @@ void output(Collection<Record<Event>> records) {
reentrantLock.unlock();
}

private void releaseEventHandles(boolean result) {
private void releaseEventHandles(final boolean result) {
for (EventHandle eventHandle : bufferedEventHandles) {
eventHandle.release(result);
}
Expand Down