wso2 - workflow management - 400 Bad Request - wso2

Question

I was trying to configure workflow management as given in the documentation with 5.8.0 version.
The DB used is default H2.
Link followed:
https://is.docs.wso2.com/en/5.9.0/learn/workflow-management/
http://cdwijayarathna.blogspot.com/2016/04/making-use-of-wso2-identity-servers.html
When I logged into User Dashboard https://localhost:9443/dashboard nothing is displayed, PFA screenshot in approval section:
Getting 400 Bad request in network as below:
Get API
https://localhost:9443/portal/gadgets/approvals/index.jag?profileList=[object%20Object]
Response: 400 Bad Request
Bad Request Error
Here are the users created and user is waiting for approval:
Waiting for Approval
Below are the logs:
[2020-06-01 20:39:59,187] approver#abc.com [2] [IS] INFO {org.wso2.carbon.core.services.util.CarbonAuthenticationUtil} - 'approver#abc.com [2]' logged in at [2020-06-01 20:39:59,186+0530]
[2020-06-01 21:00:33,938] INFO {org.wso2.carbon.core.services.util.CarbonAuthenticationUtil} - 'admin#carbon.super [-1234]' logged in at [2020-06-01 21:00:33,938+0530]
[2020-06-01 21:00:43,044] INFO {org.wso2.carbon.core.services.authentication.AuthenticationAdmin} - 'admin#carbon.super [-1234]' logged out at [2020-06-01 21:00:43,0043]
[2020-06-01 21:00:54,059] #abc.com [2] [IS] INFO {org.wso2.carbon.user.core.ldap.ReadWriteLDAPUserStoreManager} - LDAP connection created successfully in read-write mode
[2020-06-01 21:00:54,102] pandry#abc.com [2] [IS] INFO {org.wso2.carbon.core.services.util.CarbonAuthenticationUtil} - 'pandry#abc.com [2]' logged in at [2020-06-01 21:00:54,102+0530]
[2020-06-01 21:31:22,815] #abc.com [2] [IS] INFO {org.wso2.carbon.core.multitenancy.utils.TenantAxisUtils} - Starting to clean tenant : abc.com
[2020-06-01 21:31:22,819] #abc.com [2] [IS] INFO {org.wso2.carbon.bpel.core.Axis2ConfigurationContextObserverImpl} - Unloading TenantProcessStore for tenant 2.
[2020-06-01 21:31:22,907] #abc.com [2] [IS] INFO {org.wso2.carbon.user.core.ldap.ReadWriteLDAPUserStoreManager} - LDAP connection created successfully in read-write mode
[2020-06-01 21:31:22,965] #abc.com [2] [IS] INFO {org.wso2.carbon.humantask.core.Axis2ConfigurationContextObserverImpl} - Unloading TenantTaskStore for tenant 2.
[2020-06-01 21:31:22,984] #abc.com [2] [IS] INFO {org.wso2.carbon.core.deployment.DeploymentInterceptor} - Removing Axis2 Service: LoginApprovalTaskService {abc.com[2]}
[2020-06-01 21:31:23,016] #abc.com [2] [IS] INFO {org.wso2.carbon.core.deployment.DeploymentInterceptor} - Removing Axis2 Service: userCreateApprovalTaskService {abc.com[2]}
[2020-06-01 21:31:23,028] #abc.com [2] [IS] WARN ***{org.wso2.carbon.humantask.core.store.HumanTaskStore} - Could not find matching AxisService in Tenant AxisConfiguration for service name*** :userCreateApprovalTaskService
[2020-06-01 21:31:23,039] #abc.com [2] [IS] INFO {org.wso2.carbon.core.multitenancy.utils.TenantAxisUtils} - Cleaned up tenant abc.com

Answer 1

With more research I found out this is an known issue as mentioned https://github.com/wso2/product-is/issues/5678 with the change mentioned https://github.com/wso2/product-is/pull/5887/files here