leizhiyuan opened a new issue, #15113:
URL: https://github.com/apache/pulsar/issues/15113
**Describe the bug**
A clear and concise description of what the bug is.
```
public ResourceGroupConfigListener(ResourceGroupService rgService,
PulsarService pulsarService) {
this.rgService = rgService;
this.pulsarService = pulsarService;
this.rgResources =
pulsarService.getPulsarResources().getResourcegroupResources();
loadAllResourceGroups(); // THIS IS ASYNC 1
this.rgResources.getStore().registerListener(this);
rgNamespaceConfigListener = new ResourceGroupNamespaceConfigListener(
rgService, pulsarService, this);
}
```
loadAllResourceGroups(); // THIS IS ASYNC 1
add invoke
resourceGroupsMap.put(rgName, rg);
```
public ResourceGroupNamespaceConfigListener(ResourceGroupService
rgService, PulsarService pulsarService,
ResourceGroupConfigListener rgConfigListener) {
this.rgService = rgService;
this.pulsarService = pulsarService;
this.namespaceResources =
pulsarService.getPulsarResources().getNamespaceResources();
this.tenantResources =
pulsarService.getPulsarResources().getTenantResources();
this.rgConfigListener = rgConfigListener;
loadAllNamespaceResourceGroups(); // THIS IS ASYNC 2
this.namespaceResources.getStore().registerListener(this);
}
```
loadAllNamespaceResourceGroups(); // THIS IS ASYNC 2
will invoke
rgService.registerNameSpace(policy.resource_group_name, ns);
then
```
private ResourceGroup checkResourceGroupExists(String rgName) throws
PulsarAdminException {
ResourceGroup rg = this.getResourceGroupInternal(rgName);
if (rg == null) {
throw new PulsarAdminException("Resource group does not exist: "
+ rgName);
}
return rg;
}
```
inside
```
/**
* Get the RG with the given name. For internal operations only.
*/
private ResourceGroup getResourceGroupInternal(String resourceGroupName)
{
if (resourceGroupName == null) {
throw new IllegalArgumentException("Invalid null resource group
name: " + resourceGroupName);
}
return resourceGroupsMap.get(resourceGroupName);
}
```
if 2 run earlier than 1, it will occur error, if no resource group is added,
it won't recover.
**To Reproduce**
review the code
**Expected behavior**
A clear and concise description of what you expected to happen.
maybe we need loadAllResourceGroups sync, or when it done, then
loadAllNamespaceResourceGroups
**Screenshots**
If applicable, add screenshots to help explain your problem.
**Desktop (please complete the following information):**
- OS: [e.g. iOS]
**Additional context**
Add any other context about the problem here.
master branch
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