求帮帮看看这是不是并发问题还是其他原因。。。

[叶子猫丶]

INFO - 2015-09-07 14:51:01 --> 开始自动发布任务单数
INFO - 2015-09-07 14:51:02 --> 已自动发布非第一日任务单数
INFO - 2015-09-07 14:51:02 --> 已自动发布非第一日任务单数
INFO - 2015-09-07 14:51:02 --> 已自动发布第一日任务单数
INFO - 2015-09-07 14:51:02 --> 已自动发布第一日任务单数
INFO - 2015-09-07 14:51:02 --> 已结束自动发布任务单数
ERROR - 2015-09-07 14:51:31 --> Query error: Lock wait timeout exceeded; try restarting transaction
ERROR - 2015-09-07 14:51:31 --> Severity: Warning --> chmod(): Operation not permitted /data/www/offerwall/system/libraries/Log.php 106
ERROR - 2015-09-07 14:51:31 --> <p>Error Number: 1205</p><p>Lock wait timeout exceeded; try restarting transaction</p><p>UPDATE ow_taskinfo SET receive_num = receive_num - 1, received_num = received_num + 1 WHERE id = '17819'</p><p>Filename: /data/www/offerwall/controllers/task.php</p><p>Line Number: 444</p>
ERROR - 2015-09-07 14:51:31 --> Severity: Warning --> chmod(): Operation not permitted /data/www/offerwall/system/libraries/Log.php 106
INFO - 2015-09-07 14:52:01 --> 开始自动发布任务单数
INFO - 2015-09-07 14:52:02 --> 已自动发布非第一日任务单数
INFO - 2015-09-07 14:52:02 --> 已自动发布非第一日任务单数
INFO - 2015-09-07 14:52:02 --> 已自动发布非第一日任务单数
INFO - 2015-09-07 14:52:02 --> 已自动发布第一日任务单数
INFO - 2015-09-07 14:52:02 --> 已自动发布第一日任务单数
INFO - 2015-09-07 14:52:02 --> 已自动发布第一日任务单数
INFO - 2015-09-07 14:52:02 --> 已结束自动发布任务单数
ERROR - 2015-09-07 14:52:22 --> Query error: Lock wait timeout exceeded; try restarting transaction
ERROR - 2015-09-07 14:52:22 --> Severity: Warning --> chmod(): Operation not permitted /data/www/offerwall/system/libraries/Log.php 106
ERROR - 2015-09-07 14:52:22 --> <p>Error Number: 1205</p><p>Lock wait timeout exceeded; try restarting transaction</p><p>update ow_task_key_words set can_use_num = can_use_num - 1 where id = '38011' and task_id = '17819'</p><p>Filename: /data/www/offerwall/controllers/task.php</p><p>Line Number: 428</p>
ERROR - 2015-09-07 14:52:22 --> Severity: Warning --> chmod(): Operation not permitted /data/www/offerwall/system/libraries/Log.php 106
INFO - 2015-09-07 14:53:01 --> 开始自动发布任务单数
INFO - 2015-09-07 14:53:02 --> 已自动发布第一日任务单数
INFO - 2015-09-07 14:53:02 --> 已自动发布非第一日任务单数
INFO - 2015-09-07 14:53:02 --> 已自动发布第一日任务单数
INFO - 2015-09-07 14:53:02 --> 已自动发布第一日任务单数
INFO - 2015-09-07 14:53:02 --> 已自动发布第一日任务单数
INFO - 2015-09-07 14:53:02 --> 已自动发布第一日任务单数
INFO - 2015-09-07 14:53:03 --> 已结束自动发布任务单数
ERROR - 2015-09-07 14:53:13 --> Query error: Lock wait timeout exceeded; try restarting transaction
ERROR - 2015-09-07 14:53:13 --> Severity: Warning --> chmod(): Operation not permitted /data/www/offerwall/system/libraries/Log.php 106
ERROR - 2015-09-07 14:53:13 --> <p>Error Number: 1205</p><p>Lock wait timeout exceeded; try restarting transaction</p><p>UPDATE ow_taskinfo SET receive_num = receive_num - 1, received_num = received_num + 1 WHERE id = '17819'</p><p>Filename: /data/www/offerwall/controllers/task.php</p><p>Line Number: 444</p>
ERROR - 2015-09-07 14:53:13 --> Severity: Warning --> chmod(): Operation not permitted /data/www/offerwall/system/libraries/Log.php 106
INFO - 2015-09-07 14:54:01 --> 开始自动发布任务单数
INFO - 2015-09-07 14:54:02 --> 已结束自动发布任务单数
ERROR - 2015-09-07 14:54:04 --> Query error: Lock wait timeout exceeded; try restarting transaction
ERROR - 2015-09-07 14:54:04 --> Severity: Warning --> chmod(): Operation not permitted /data/www/offerwall/system/libraries/Log.php 106
ERROR - 2015-09-07 14:54:04 --> <p>Error Number: 1205</p><p>Lock wait timeout exceeded; try restarting transaction</p><p>UPDATE ow_bind_taobao SET last_received_time = 1441608793, can_recevice_num = 18 WHERE id = '2119' and userid = '135' </p><p>Filename: /data/www/offerwall/controllers/task.php</p><p>Line Number: 440</p>
ERROR - 2015-09-07 14:54:04 --> Severity: Warning --> chmod(): Operation not permitted /data/www/offerwall/system/libraries/Log.php 106
ERROR - 2015-09-07 14:54:55 --> Query error: Lock wait timeout exceeded; try restarting transaction
ERROR - 2015-09-07 14:54:55 --> Severity: Warning --> chmod(): Operation not permitted /data/www/offerwall/system/libraries/Log.php 106
ERROR - 2015-09-07 14:54:55 --> <p>Error Number: 1205</p><p>Lock wait timeout exceeded; try restarting transaction</p><p>update ow_task_key_words set can_use_num = can_use_num - 1 where id = '38011' and task_id = '17819'</p><p>Filename: /data/www/offerwall/controllers/task.php</p><p>Line Number: 428</p>







上面是错误日志，每次自动发布结束后，很多人去抢出现这个错误，不知道是不是并发原因还是其他原因，求帮助