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UrlsController
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- When the Controller cannot retrieve any assignments from Impala (without an error), return an HTTP-"MULTI_STATUS" with an empty "AssignmentsResponse", instead of an "INTERNAL_SERVER_ERROR". 

- Fix an error-message.
This commit is contained in:
Lampros Smyrnaios 2022-12-05 16:44:00 +02:00
parent 577ea983e8
commit b0c57d79a5
2 changed files with 7 additions and 5 deletions
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8
src/main/java/eu/openaire/urls_controller/controllers/UrlController.java
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@ -177,10 +177,12 @@ public class UrlController {
String errorMsg = "No results retrieved from the \"findAssignmentsQuery\" for worker with id: " + workerId + ". Will increase the \"maxAttempts\" to " + maxAttemptsPerRecordAtomic.incrementAndGet() + " for the next requests.";
logger.error(errorMsg);
String tmpErrMsg = dropCurrentAssignmentTable();
if ( tmpErrMsg != null )
errorMsg += "\n" + tmpErrMsg;
ImpalaConnector.databaseLock.unlock();
if ( tmpErrMsg != null ) {
errorMsg += "\n" + tmpErrMsg; // The additional error-msg is already logged.
return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(errorMsg);
} else
return ResponseEntity.status(HttpStatus.MULTI_STATUS).body(new AssignmentsResponse((long) -1, null));
} else if ( assignmentsSize < assignmentsLimit ) {
logger.warn("The retrieved results were fewer (" + assignmentsSize + ") than the \"assignmentsLimit\" (" + assignmentsLimit + "), for worker with id: " + workerId + ". Will increase the \"maxAttempts\" to " + maxAttemptsPerRecordAtomic.incrementAndGet() + " for the next requests.");
}
@ -374,7 +376,7 @@ public class UrlController {
jdbcTemplate.execute(dropCurrentAssignmentsQuery);
return null; // All good. No error-message.
} catch (Exception e) {
return ImpalaConnector.handleQueryException("dropCurrentAssignmentsQuery", dropCurrentAssignmentsQuery, e);
return ImpalaConnector.handleQueryException("dropCurrentAssignmentsQuery", dropCurrentAssignmentsQuery, e); // The error is already logged inside.
}
}

2
src/main/java/eu/openaire/urls_controller/util/ParquetFileUtils.java
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@ -417,7 +417,7 @@ public class ParquetFileUtils {
// See: https://docs.cloudera.com/documentation/enterprise/latest/topics/impala_load_data.html
} catch (Throwable e) {
String errorMsg = "Error while importing parquet data into the Impala Database, through WebHDFS!\n" + e;
String errorMsg = "Error while uploading parquet file \"" + parquetFileFullLocalPath + "\" to HDFS!\n" + e;
logger.error(errorMsg);
return errorMsg;
}