Batch of improvements #106
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Refactors the application to use a single, shared CloseableHttpClient instance managed by Guice. This improves performance and resource management by using a shared connection pool. - Removes all local HttpClient creations and injects the singleton instance where needed. - Adds proper lifecycle management by closing the shared client during graceful shutdown. - Fixes an issue where HTTP 408 Request Timeout errors were not being retried. The ServiceUnavailableRetryStrategy is updated to include 408 as a retryable status code.
Implements several logging improvements to increase traceability and improve debugging. - Replaces e.printStackTrace() in Service.java with a structured logger call to ensure exceptions are captured in the main application log. - Adds start and end logging with message IDs to MessageProcessorImpl to clearly show the execution scope of each message. - Adds a WARN log to ErrorPublisherImpl to explicitly record when an error is being published to the error queue.
Updates unit and integration tests to correctly provide the new CloseableHttpClient dependency. - Fixes numerous compilation and runtime errors in the test suite caused by the recent refactoring. - Reverts ineffective retry loops from integration tests, as the root cause of failure is determined to be an environment issue, not test flakiness.
Prioritize system properties over environment variables when reading configuration values. This change is necessary to allow tests to override environment variables and run in an isolated environment. The previous implementation prioritized environment variables, which caused tests to fail when environment variables were set in the test execution environment. This change is safe for production environments, as they typically rely on environment variables for configuration and do not set system properties for the same keys.
This resolves a `NoSuchMethodError` caused by an incompatibility between `httpclient` and newer versions of `commons-codec`.
This commit introduces a comprehensive set of improvements to the logging and error handling within the sailor-jvm library. Error Handling: - Replaced all uses of `e.printStackTrace()` with proper structured logging to ensure exceptions are not lost. - Removed the `Utils.getStackTrace()` helper method, which encouraged logging stack traces as strings. - Corrected all `logger.error()` and `logger.warn()` calls to pass the full exception object, ensuring stack traces are always available in logs. Logging Levels: - Demoted numerous verbose `INFO` logs to `DEBUG` or `TRACE` across the codebase to reduce noise during normal operation. This affects `AmqpServiceImpl`, `HttpUtils`, `ExecutionContext`, and `MessageResolverImpl`. - Promoted a `WARN` log to `ERROR` in `ErrorPublisherImpl` to correctly reflect the severity of the event.
This commit fixes a failing test in ServiceSpec. The test failed because the stack trace was removed from the JSON error payload. This commit restores the stack trace to the error response to align with the test expectation. The Utils getStackTrace method has been restored and centralized. Service.java and ErrorPublisherImpl.java have been updated to use this utility.
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This commit enhances the logging for large message uploads to the object storage. Previously, multiple uploads could happen for a single message (for the main body and for each passthrough entry), but the log message was a generic "About to post an object into the storage" for all of them, making it difficult to distinguish between them. This change introduces a `description` parameter to the `ObjectStorage.post` method. The `MessageResolver` now provides context, such as "main message body" or "passthrough for step <step_id>", which is then included in the log message. This improves debuggability by providing clear information about which part of the message is being uploaded. The test suite has been updated to reflect the new method signature.
This commit fixes a race condition in the `GracefulShutdownHandler` that caused a "Connection pool shut down" error when the service was stopped during an in-flight HTTP request. The previous implementation closed the singleton HTTP client immediately upon receiving a shutdown signal, before waiting for active message processing to complete. This meant that any in-flight process that still needed the HTTP client would fail. The logic in `prepareGracefulShutdown` has been reordered to: 1. Stop accepting new AMQP messages. 2. Wait for all in-flight messages to finish processing. 3. Shut down the shared resources (HTTP client and AMQP connection). This ensures that shared resources are not terminated while they are still in use, allowing for a clean and error-free shutdown.
This commit refactors the `MessagePublisherImpl` to support high-throughput parallel processing. Previously, a single, shared AMQP channel was used for all outgoing messages, with the `publish` method being synchronized. This created a bottleneck, causing threads to block each other and leading to "publisher confirmation timed out" errors under heavy parallel load. This change introduces a `ThreadLocal` variable to manage a pool of AMQP channels, providing each execution thread with its own dedicated channel. This allows for true parallel publishing without contention. The `AmqpServiceImpl` and its interface were updated to manage the lifecycle of these channels, ensuring they are all properly closed during a graceful shutdown. The test suite has been updated to reflect these changes.
Legendmiha
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Oct 10, 2025
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Maybe dumb question, I don't really know how it works...
Do we need this, if we already have the same in SailorModule?
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Agree, looks redundant. Will re-check the code
- Replaced InputStreamEntity with ByteArrayEntity in ObjectStorageImpl to ensure HTTP requests for large messages are repeatable, resolving NonRepeatableRequestException on connection reset. - Updated CHANGELOG.md to reflect this fix and the previous fix for publisher confirm timeouts. - Bumped project version in build.gradle.
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It is only a draft. Pushed to save and share the changes. Needs proper testing.
Not a draft anymore, now it is ready for review