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UrlsController
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11 Commits

Author SHA1 Message Date
Lampros Smyrnaios 2cf25b0d26 - Fix Impala "broken pipe" error, by closing the connection when not in need. The connection is reopened later with minimal overhead, as a connection pool is used. 
- Fix not closing the database-connection in case of a specific error (also in a commented error-case).
 2022-01-13 00:47:15 +02:00
Lampros Smyrnaios 82bf11b9b3 - Workaround a bug of Impala-JDBC-Driver, when creating insert-prepared-statements. 
- Update dependencies.
 2021-12-24 00:25:50 +02:00
Lampros Smyrnaios 33ba3e8d91 - Avoid getting and uploading (to S3), full-texts which are already uploaded by previous assignments-batches. 
- Fix not updating the fileLocation with the s3Url for records which share the same full-text.
- Set only one delete-order for each assignments-batch-files, not one (or more, by mistake) per zip-batch.
- Set the HttpStatus to "204 - NO_CONTENT", when no assignments are available to be returned to the Worker.
- Fix not unlocking the "dataBaseLock" in case of a "dataBase-connection"-error, in "addWorkerReport()".
- Improve some log-messages.
- Change the log-level for the "S3-bucket already exists" message.
- Update Gradle.
- Optimize imports.
- Code cleanup.
 2021-12-21 15:55:27 +02:00
Lampros Smyrnaios 0178e44574 - Increase security by sanitizing the value of the "workerId" before use it in sql-statements. Impala has bugs with some types of PreparedStatements. 
- Improve reliability, by dropping the "current_assignment" table in case of an error, thus the next "getUrls"-request will not fail.
- Fix the "databaseLock" not being unlocked when the "addWorkerReport()" method returned early on some error-cases.
- Delete the "assignment"-data after inserting the related payloads and attempts in the database.
 2021-12-10 21:47:58 +02:00
Lampros Smyrnaios dea257b87f - Fix a bug, which caused the get-full-texts request to fail, because of the wrong "requestAssignmentsCounter". 
- Fix a bug, which caused multiple workers to get assigned the same batch-counter, while the assignment-tasks where different.
- Set a max-size limit to the amount of space the logs can use. Over that size, the older logs will be deleted.
- Show the error-message returned from the Worker, when a getFullTexts-request fails.
- Improve some log-messages.
- Update dependencies.
- Code cleanup.
 2021-12-06 20:18:30 +02:00
Lampros Smyrnaios 48eed20dd8 - Implement the "getAndUploadFullTexts" functionality. In order to access the S3-ObjectStore from one trusted place, the Controller will request the files from the workers and upload them on S3. Afterwards, the workers will delete those files from their local storage. Previously, each worker uploaded its own files. 
- Move the "mergeParquetFiles" and "getCutBatchExceptionMessage" methods inside the "FileUtils" class.
- Code cleanup.
 2021-11-30 18:23:27 +02:00
Lampros Smyrnaios 0d47c33a08 - Improve logging configurations. 
- Fix the "AssignmentResponse.toString()" method.
- Update SpringBoot to v.2.5.6
- Code cleanup.
 2021-11-04 11:57:19 +02:00
Lampros Smyrnaios c194af167f Allow handling of concurrent requests to the "getTestUrls"-endpoint. 2021-06-10 20:24:51 +03:00
Lampros Smyrnaios 308cab5ecd - Return an HTTP-500-error when the server cannot find the resourceFile requested by the "getTestUrls"-endpoint. 
- Close the "inputScanner" after each use when retrieving the test-tasks.
- Show info-logs when sending an assignment to a worker.
- Code cleanup.
 2021-06-10 14:21:39 +03:00
Lampros Smyrnaios 787299b5b7 Add the "Datasource" inside the "Task" class and include it in the Assignment. 2021-05-20 02:50:50 +03:00
Lampros Smyrnaios e2cc320baf - Add the "getTestUrls"-endpoint which returns an "Assignment" with data retrieved from the added resource-file. 
- Update the "getUrls"-endpoint to be ready to retrieve data from the database, once it's added.
- Update the dependencies.
- Code cleanup.
 2021-05-18 17:23:20 +03:00