Hi, I'm getting this error when trying to connect to my production database with a particular database user. It says unable to connect to the AMI but I don't think that is the issue, because it works with a different database user. I'm able to connect and query with the user it's failing with in my SQL client. Any ideas what may be the issue with the database user?

Code:
00016200: 2015-05-27T11:14:28 [TASK_MANAGER    ]I:  Task 'task_name' running full load and CDC in fresh start mode  (replicationtask.c:728)
00016200: 2015-05-27T11:14:28 [SERVER          ]I:  Failed to load OraXML library, XMLType will not be supported  (oracle_endpoint.c:189)
00016200: 2015-05-27T11:14:28 [METADATA_MANAGER]I:  Going to connect to Oracle server db with username attunity_user  (oracle_endpoint_imp.c:777)
00016200: 2015-05-27T11:14:28 [METADATA_MANAGER]I:  Going to connect to server rs_host database db_name  (redshift_imp.c:726)
00016200: 2015-05-27T11:14:28 [METADATA_MANAGER]I:  Connected to server rs_host database db_name successfully.  (redshift_imp.c:745)
00017540: 2015-05-27T11:14:29 [TASK_MANAGER    ]I:  Creating threads for all components  (replicationtask.c:1151)
00017540: 2015-05-27T11:14:29 [TASK_MANAGER    ]I:  Threads for all components were created  (replicationtask.c:1297)
00017540: 2015-05-27T11:14:29 [TASK_MANAGER    ]I:  Task initialization completed successfully  (replicationtask.c:2064)
00016476: 2015-05-27T11:14:29 [SOURCE_CAPTURE  ]I:  Use any Oracle Archived Log Destination  (oracle_endpoint_imp.c:585)
00016476: 2015-05-27T11:14:29 [SOURCE_CAPTURE  ]I:  Oracle CDC uses Oracle File Access mode  (oracle_endpoint_imp.c:592)
00016476: 2015-05-27T11:14:29 [SOURCE_CAPTURE  ]I:  Scale is set to 0 for NUMBER Datatype  (oracle_endpoint_imp.c:720)
00016476: 2015-05-27T11:14:29 [SOURCE_CAPTURE  ]I:  Retry interval is set to 5  (oracle_endpoint_imp.c:728)
00016476: 2015-05-27T11:14:29 [SOURCE_CAPTURE  ]I:  Oracle database version is 10.2.0.5.0  (oracle_endpoint_conn.c:537)
00016476: 2015-05-27T11:14:31 [SOURCE_CAPTURE  ]I:  Oracle compatibility version is 10.2.0.1.0  (oracle_endpoint_conn.c:85)
00018420: 2015-05-27T11:14:31 [TARGET_APPLY    ]I:  Going to connect to server rs_host database db_name  (redshift_imp.c:726)
00018420: 2015-05-27T11:14:32 [TARGET_APPLY    ]I:  Connected to server rs_host database db_name successfully.  (redshift_imp.c:745)
00017432: 2015-05-27T11:14:53 [STREAM_COMPONENT]I:  Going to connect to Oracle server db with username attunity_user  (oracle_endpoint_imp.c:538)
00018420: 2015-05-27T11:14:53 [INFRASTRUCTURE  ]E:  LGN-E-CONNF, failed to connect to node <node>
-SYS-E-ERRMSG, A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond. Base general error. (at_http_client.c:887)
00018420: 2015-05-27T11:14:53 [INFRASTRUCTURE  ]E:  Failed to connect to <AMI_DNS>: LGN-E-CONNF, failed to connect to node <node>
-SYS-E-ERRMSG, A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond. Failed to connect. (at_http_client.c:887)
00018420: 2015-05-27T11:14:53 [INFRASTRUCTURE  ]E:   -SYS-E-ERRMSG, A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond. [123002] Failed to connect to Attunity CloudBeam AMI. (ar_cifta.c:514)
00018420: 2015-05-27T11:14:53 [INFRASTRUCTURE  ]E:   -LGN-E-CONNF, failed to connect to node <node> [123002] Failed to connect to Attunity CloudBeam AMI. (ar_cifta.c:514)
00018420: 2015-05-27T11:14:53 [INFRASTRUCTURE  ]E:   [123002] Failed to connect to Attunity CloudBeam AMI. (ar_cifta.c:514)
00018420: 2015-05-27T11:14:53 [INFRASTRUCTURE  ]E:   -SYS-E-ERRMSG, A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond. [123002] Failed to connect to Attunity CloudBeam AMI. (ar_cifta.c:514)
00018420: 2015-05-27T11:14:53 [INFRASTRUCTURE  ]E:  ; Failed to connect to <AMI_DNS>: LGN-E-CONNF, failed to connect to node <node> [123002] Failed to connect to Attunity CloudBeam AMI. (ar_cifta.c:514)
00018420: 2015-05-27T11:14:53 [INFRASTRUCTURE  ]E:   -SYS-E-ERRMSG, A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond. [123002] Failed to connect to Attunity CloudBeam AMI. (ar_cifta.c:514)
00018420: 2015-05-27T11:14:53 [INFRASTRUCTURE  ]E:   -LGN-E-CONNF, failed to connect to node <node> [123002] Failed to connect to Attunity CloudBeam AMI. (ar_cifta.c:514)
00018420: 2015-05-27T11:14:53 [INFRASTRUCTURE  ]E:  failed to connect [123002] Failed to connect to Attunity CloudBeam AMI. (ar_cifta.c:514)
00018420: 2015-05-27T11:14:53 [TARGET_APPLY    ]E:  Failed to start AMI Client [123002] Failed to connect to Attunity CloudBeam AMI. (redshift_imp.c:903)
00018420: 2015-05-27T11:14:53 [TASK_MANAGER    ]E:  Failed while preparing stream component 'st_0_amazon redshift'. [123002] Failed to connect to Attunity CloudBeam AMI. (subtask.c:788)
00018420: 2015-05-27T11:14:53 [TASK_MANAGER    ]E:  Cannot initialize subtask [123002] Failed to connect to Attunity CloudBeam AMI. (subtask.c:1193)
00018420: 2015-05-27T11:14:53 [TARGET_APPLY    ]E:  Stream component 'st_0_amazon redshift' terminated [123002] Failed to connect to Attunity CloudBeam AMI. (subtask.c:1450)
00017540: 2015-05-27T11:14:53 [TASK_MANAGER    ]I:  Subtask #0 ended  (replicationtask_util.c:919)
00017540: 2015-05-27T11:14:53 [TASK_MANAGER    ]E:  Task error notification received from subtask 0, thread 1 [123002] Failed to connect to Attunity CloudBeam AMI. (replicationtask.c:1752)
00017540: 2015-05-27T11:14:53 [TASK_MANAGER    ]I:  Task 'task_name' encountered a recoverable error  (repository.c:4005)
00017540: 2015-05-27T11:14:54 [SERVER          ]I:  Stop server request received internally  (server.c:2074)
00017540: 2015-05-27T11:14:54 [TASK_MANAGER    ]I:  Task management thread terminated  (replicationtask.c:2447)
00016200: 2015-05-27T11:14:54 [SERVER          ]I:  Client session (ID 10632) closed  (dispatcher.c:190)
00016200: 2015-05-27T11:14:54 [UTILITIES       ]I:  The last state is saved to file 'C:\Program Files\Attunity\Replicate\data\tasks\task_name/StateManager/ars_saved_state_000002.sts' at Wed, 27 May 2015 18:14:51 GMT (1432750491553670)  (statemanager.c:643)
00017580: 2015-05-27T11:14:54 [SERVER          ]I:  The process stopped  (server.c:2178)
00017580: 2015-05-27T11:14:54 [SERVER          ]I:  Closing log file at Wed May 27 11:14:54 2015  (logger.c:1915)