@timestamp,@message,@logStream 2023-06-26 10:16:26.211,10:16:26 [] [] [] [] ERROR ? Unhandled exception,ocp3/mod-oai-pmh/ef14536384fd43bdac18d9cdc3ce1014 2023-06-26 10:16:26.210,10:16:26 [] [] [] [] ERROR RecordsRequestHelper getNextInstances:: For requestId b808e948-e9b5-4ae9-bf6c-e7ead7a4eccb cannot get batch of instances ids from database: The instance list is empty after 2401 attempts. Stop polling and return fail response.,ocp3/mod-oai-pmh/ef14536384fd43bdac18d9cdc3ce1014 2023-06-26 10:16:26.210,10:16:26 [] [] [] [] ERROR RecordsRequestHelper processBatch:: For requestId b808e948-e9b5-4ae9-bf6c-e7ead7a4eccb get instances failed: The instance list is empty after 2401 attempts. Stop polling and return fail response.,ocp3/mod-oai-pmh/ef14536384fd43bdac18d9cdc3ce1014 2023-06-26 10:04:02.126,10:04:02 [] [] [] [] ERROR ? Unhandled exception,ocp3/mod-oai-pmh/ef14536384fd43bdac18d9cdc3ce1014 2023-06-26 10:04:02.123,10:04:02 [] [] [] [] ERROR RecordsRequestHelper getNextInstances:: For requestId e8545f67-caf1-44ff-9bf6-9cd38b4c3f49 cannot get batch of instances ids from database: The instance list is empty after 2401 attempts. Stop polling and return fail response.,ocp3/mod-oai-pmh/ef14536384fd43bdac18d9cdc3ce1014 2023-06-26 10:04:02.123,10:04:02 [] [] [] [] ERROR RecordsRequestHelper processBatch:: For requestId e8545f67-caf1-44ff-9bf6-9cd38b4c3f49 get instances failed: The instance list is empty after 2401 attempts. Stop polling and return fail response.,ocp3/mod-oai-pmh/ef14536384fd43bdac18d9cdc3ce1014 2023-06-26 10:02:58.456,"10:02:58 [] [] [] [] ERROR OaiPmhJsonParser Unexpected character ('<' (code 60)): expected a valid value (JSON String, Number, Array, Object or token 'null', 'true' or 'false')",ocp3/mod-oai-pmh/ef14536384fd43bdac18d9cdc3ce1014 2023-06-26 10:02:58.456,10:02:58 [] [] [] [] ERROR OaiPmhJsonParser Error position at error part of json is 2,ocp3/mod-oai-pmh/ef14536384fd43bdac18d9cdc3ce1014 2023-06-26 10:02:58.456,10:02:58 [] [] [] [] ERROR OaiPmhJsonParser 504 Gateway Time-out