HTTP Status Codes of Load Balancers

**Table 1** Normal codes
Normal Code	Message	Description
200	OK	Specifies the normal response code for the GET and PUT operations.
201	Created	Specifies the normal response code for the POST operation.
204	No Content	Specifies the normal response code for the DELETE operation.
202	Accepted	Specifies the normal response code for the PUT operation.

**Table 2** Error codes
Error Code	Type	Description
400	Bad request	Malformed request URI or body
		Requested admin state invalid
		Invalid values entered
		Bulk operations disallowed
		Validation failed
		Method not allowed for request body (such as trying to update attributes that can be specified at create-time only)
		The network is not external, such as router:external=False.
		The internal OpenStack Networking port is not associated with the floating IP address.
		The requested floating IP address does not fall in the subnet range for the external network.
		The fixed IP address is not valid.
		Router port must have exactly one fixed IP
		Subnet for router interface must have a gateway IP
401	Unauthorized	Authentication required
403	Forbidden	Non existent URI Resource not found
404	Not Found	Non existent URI
		Resource not found
		The port UUID is not valid.
409	Conflict	Port configured on network
		IP allocated on subnet
		Conflicting IP allocation pools for subnet
		The requested floating IP address is already in use.
		The internal OpenStack Networking port and fixed IP address are already associated with another floating IP.
500	Internal server error	Internal OpenStack Networking error
503	Service unavailable	Failure in Mac address generation

**Table 3** Error codes for each module
Module	HTTP Status Code	Error Code	Error Message	Description	Solution
Load balancer	400	ELB.0002	RequestBody is null or empty,request is invalid.	The request body is empty.	Set parameters by following the instructions in this guide.
	401	ELB.1102	Token is error, Authentication required.	The token is empty.	Use a correct token that has not expired.
	400	ELB.0002	RequestBody is null, request is invalid.	Failed to convert the request body.	Set parameters by following the instructions in this guide.
	400	ELB.9805	RequestBody loadbalancer[vip_subnet_id] is null, this is a required parameter.	vip_subnet_id in the request body is empty.	Set the parameter by following the instructions in this guide.
	400	ELB.1202	1.decoded token is null. 2.checkEnterpriseProject is error.	The token is empty. An error occurred during verification of ep_id.	Check the enterprise project ID.
	403	ELB.9802	Policy doesn't allow elb:loadbalancers:list to be performed. etc.	Authentication failed.	Check whether you have the permission to perform this operation.
	403	ELB.9803	Policy doesn't allow elb:loadbalancers:list to be performed. etc.	Authentication failed.	Check whether you have the permission to perform this operation.
	403	ELB.9804	Policy doesn't allow elb:loadbalancers:list to be performed. etc.	Authentication failed.	Check whether you have the permission to perform this operation.
	400	ELB.0004	Api response is null or invaild.	The response returned by Neutron is null.	Contact customer service.
	400	ELB.9899	The default_tls_container_ref field of the TERMINATED_HTTPS listener does not allow updating to null etc.	Combined API failed to send the request to Neutron.	Rectify the fault based on the error information.
	400	ELB.9807	Quota exceeded for resources:['loadbalancer'].	The load balancer quota has been used up.	To expand the quota, contact customer service.
	400	ELB.1204	Bind fail.	Failed to associate the load balancer with the enterprise project.	Contact customer service.
	400	ELB.9805	Ep_id is not uuid.	ep_id in the URI is not a valid UUID.	Check the enterprise ID.
	400	ELB.9806	Loadbalancer_id in url is null or empty. etc.	loadbalancer_id in the URI is empty.	Check whether the load balancer ID in the URL is correct.
	404	ELB.9800	Resource could not be found.	The specified load balancer does not exist when ep_id is queried.	Check the load balancer ID.
	400	ELB.9808	Tenant_id in token mismatches with tenant_id in url.	The value of tenant_id in the token is different from that in the URL.	Check whether parameter tenant_id in the token and URL is correct.
	403	ELB.9801	Not be list action, enterprise_project_id must not be null.	In the fine-grained authorization scenario, the enterprise ID is not transmitted in the request for querying the load balancers.	Check whether the parameters in the request for querying the load balancers are correct.
Listener	400	ELB.0002	Listener is null, request is invalid.	The request body is empty.	Set parameters by following the instructions in this guide.
	400	ELB.9805	RequestBody listener[protocol] is null, this is a required parameter.	protocol in the request body is empty.	Set the parameter by following the instructions in this guide.
	400	ELB.9805	RequestBody listener[protocol_port] is null, this is a required parameter.	protocol_port is empty.	Set the parameter by following the instructions in this guide.
	400	ELB.9805	RequestBody listener[loadbalancer_id] is null, this is a required parameter.	loadbalancer_id is empty.	Set the parameter by following the instructions in this guide.
	400	ELB.6200	Load Balaner * already has a listener with protocol_port of *.	The port number is in use.	Change the port number.
	400	ELB.9807	Quota exceeded for resources:['listener'].	The listener quota has been used up.	To expand the quota, contact customer service.
Backend server group	400	ELB.0002	Pool is null, request is invalid.	The request body is empty.	Set parameters by following the instructions in this guide.
	400	ELB.9805	RequestBody pool[protocol] is null, this is a required parameter.	protocol is empty.	Set the parameter by following the instructions in this guide.
	400	ELB.9805	RequestBody pool[lb_algorithm] is null, this is a required parameter.	lb_algorithm is empty.	Set the parameter by following the instructions in this guide.
	400	ELB.9807	Quota exceeded for resources:['pool'].	The load balancer quota has been used up.	To expand the quota, contact customer service.
	400	ELB.9805	RequestBody pool[loadbalancer_id] and pool[listener_id] both are null, this has at least one parameter.	listener_id is empty.	Set the parameter by following the instructions in this guide.
Backend server	400	ELB.9805	RequestBody pool[session_persistence][type] is null. when pool[session_persistence] exists, this is a required parameter.	session_persistence is empty.	Set the parameter by following the instructions in this guide.
	400	ELB.0002	Member is null,request is invalid.	The request body is empty.	Set parameters by following the instructions in this guide.
	400	ELB.9805	RequestBody member[address] is null, this is a required parameter.	address is empty.	Set the parameter by following the instructions in this guide.
	400	ELB.9807	Quota exceeded for resources:['member'].	The backend server quota has been used up.	To expand the quota, contact customer service.
	400	ELB.9805	RequestBody member[address]'s length is %s, greater than 64.	The value of address contains more than 64 characters.	Set the parameter by following the instructions in this guide.
	400	ELB.9805	RequestBody member[protocol_port] is null, this is a required parameter.	protocol_port is empty.	Set the parameter by following the instructions in this guide.
Health check	400	ELB.9805	RequestBody member[subnet_id] is null, this is a required parameter.	subnet_id is empty.	Set the parameter by following the instructions in this guide.
	400	ELB.0002	healthmonitor is null,request is invalid.	The request body is empty.	Set the parameter by following the instructions in this guide.
	400	ELB.9805	RequestBody healthmonitor[delay] is null, this is a required parameter.	delay is empty.	Set the parameter by following the instructions in this guide.
	400	ELB.9805	RequestBody healthmonitor[max_retries] is null, this is a required parameter.	max_retries is empty.	Set the parameter by following the instructions in this guide.
	400	ELB.9805	RequestBody healthmonitor[pool_id] is null, this is a required parameter.	pool_id is empty.	Set the parameter by following the instructions in this guide.
	400	ELB.9807	Quota exceeded for resources:['healthmonitor'].	The health check quota has been used up.	To expand the quota, contact customer service.
	400	ELB.9805	RequestBody healthmonitor[timeout] is null, this is a required parameter.	timeout is empty.	Set the parameter by following the instructions in this guide.
Forwarding policy	400	ELB.9805	RequestBody healthmonitor[type] is null, this is a required parameter.	type is empty.	Set the parameter by following the instructions in this guide.
	400	ELB.0002	l7policy is null,request is invalid.	The request body is empty.	Set the parameter by following the instructions in this guide.
	400	ELB.9807	Quota exceeded for resources:['l7policiey'].	The forwarding policy quota has been used up.	To expand the quota, contact customer service.
	400	ELB.9805	RequestBody l7policy[listener_id] is null, this is a required parameter.	listener_id is empty.	Set the parameter by following the instructions in this guide.
Forwarding rule	400	ELB.9805	RequestBody l7policy[action] is null, this is a required parameter.	action is empty.	Set the parameter by following the instructions in this guide.
	400	ELB.0002	Rule is null,request is invalid.	The request body is empty.	Set the parameter by following the instructions in this guide.
	400	ELB.9805	RequestBody rule[type] is null, this is a required parameter.	type is empty.	Set the parameter by following the instructions in this guide.
	400	ELB.9807	Quota exceeded for resources:['l7policieyrule'].	The forwarding rule quota has been used up.	To expand the quota, contact customer service.
	400	ELB.9805	RequestBody rule[compare_type] is null, this is a required parameter.	compare_type is empty.	Set the parameter by following the instructions in this guide.
	400	ELB.9805	RequestBody rule[value] is null, this is a required parameter.	value is empty.	Set the parameter by following the instructions in this guide.
	400	ELB.9805	RequestBody rule[value]'s length is %s, greater than 128.	The parameter value contains more than 128 characters.	Set the parameter by following the instructions in this guide.
Whitelist	400	ELB.9807	Quota exceeded for resources:['whitelist'].	The whitelist quota has been used up.	To expand the quota, contact customer service.
	400	ELB.0002	whitelist is null,request is invalid.	The request body is empty.	Set the parameter by following the instructions in this guide.
	400	ELB.9805	RequestBody whitelist[listener_id] is null, this is a required parameter.	listener_id is empty.	Set the parameter by following the instructions in this guide.
	400	ELB.9805	RequestBody whitelist[listener_id]'s length is %s, greater than 255.	The value of listener_id contains more than 255 characters.	Set the parameter by following the instructions in this guide.
Tag	400	ELB.0002	RequestBody is null or empty.	Invalid request body.	Set parameters by following the instructions in this guide.
	401	ELB.1102	Token is error, Authentication required.	Invalid token.	Use a correct token that has not expired.
	400	ELB.0002	LogTankRequestBody is null, request is invalid.	Invalid request body.	Set parameters by following the instructions in this guide.
			LoadbalancerId in requestBody is null.	loadbalancer_id in the request body is empty.	Set the parameter by following the instructions in this guide.
			LoggroupId in requestBody is null.	log_group_id in the request body is empty.	Set the parameter by following the instructions in this guide.
			LogtopicId in requestBody is null.	log_topic_id in the request body is empty.	Set the parameter by following the instructions in this guide.
	403	ELB.9802	Policy doesn't allow elb:logtanks:create to be performed.	Permission verification failed.	Check whether you have the permission to perform this operation.
	403	ELB.9803	Policy doesn't allow elb:loadbalancers:list to be performed. etc.	Permission verification failed.	Check whether you have the permission to perform this operation.
	403	ELB.9804	Policy doesn't allow elb:loadbalancers:list to be performed. etc.	Permission verification failed.	Check whether you have the permission to perform this operation.
	400	ELB.9899	The default_tls_container_ref field of the TERMINATED_HTTPS listener does not allow updating to null.	Parameter default_tls_container_ref cannot be left blank.	Rectify the fault based on the error information.
Certificate	400	ELB.1001	Request parameters invalid.	Invalid parameter.	Enter a valid parameter.
	400	ELB.5010	The certificate URL contains more than four parts.	The certificate URL contains more than four parts.	Enter a valid certificate URL.
	400	ELB.5020	The certificate ID must be 32 characters.	The certificate ID is not a 32-character string.	Enter a valid certificate ID.
	400	ELB.5030	Incorrect certificate URL.	Incorrect certificate URL.	Enter a valid certificate URL.
	404	ELB.5040	The certificate does not exist.	The certificate does not exist.	Ensure that the certificate exists.
	400	ELB.5131	Failed to query the certificate quota.	Failed to query the certificate quota.	Contact customer service.
	400	ELB.5141	Failed to query the user certificate quota.	Failed to query the used certificate quota.	Contact customer service.
	400	ELB.5151	The certificate quantity exceeds the quota.	The quantity of certificates exceeds the quota.	Ensure that the quantity of certificates is less than the quota.
	400	ELB.1011	Private_key or certificate content is not valid.	Invalid public or private key of the server certificate.	Enter a valid public or private key.
	400	ELB.5051	CA certificate content is not valid.	Invalid CA certificate content.	Enter valid certificate content.
	400	ELB.5002	Failed to delete the certificate.	Failed to delete the certificate.	Contact customer service.
	400	ELB.5033	Failed to update certificate.	Failed to modify the certificate.	Contact customer service.
	400	ELB.5013	Private_key or certificate content is not valid.	Invalid public or private key of the server certificate.	Enter a valid public or private key.
	400	ELB.5053	CA certificate content is not valid.	Invalid CA certificate content.	Enter valid certificate content.
	400	ELB.5004	Invalid search criteria.	Invalid query condition.	Ensure that the query condition is correct.
API version	404	ELB.1110	version not found.	The API version does not exist.	Contact customer service.