Now I have the same problem on ONAP R9 Istanbul version, my K8S platform is 
microK8S.
Can you give me some advice? Thanks a lot.

the POD list of AAI:
root@onapserver:~# kubectl -n onap get pod | grep onap-aai
onap-aai-modelloader-548bcd8cdc-6ww85              2/2     Running     0        
       100m
onap-aai-babel-598d878fdc-2jvcx                    2/2     Running     0        
       100m
onap-aai-schema-service-84b84bddf4-m9t5z           2/2     Running     0        
       100m
onap-aai-graphadmin-create-db-schema-lbtkz         0/1     Error       0        
       100m
onap-aai-graphadmin-create-db-schema-5lx9s         0/1     Error       0        
       99m
and many onap-aai-graphadmin-create-db-schema error pods...

the error logs:
root@onapserver:~#
root@onapserver:~# kubectl -n onap logs 
onap-aai-graphadmin-create-db-schema-bjctt
Project Build Version: 1.0.0

Tue Sep 20 14:34:30 CST 2022    Starting 
/opt/app/aai-graphadmin/bin/createDBSchema.sh
2022-09-20 06:34:33.433  INFO   --- [           main] 
org.onap.logging.filter.base.MDCSetup    : Checking for system property 
[partnerName]
2022-09-20 06:34:33.441  INFO   --- [           main] 
org.onap.logging.filter.base.MDCSetup    : System property was null or empty. 
Checking environment variable for: partnerName
2022-09-20 06:34:33.441  INFO   --- [           main] 
org.onap.logging.filter.base.MDCSetup    : Environment variable: partnerName 
was null or empty
2022-09-20 06:34:33.442 DEBUG   --- [           main] 
org.onap.aai.restclient.RestClient       : Request Headers: {}
2022-09-20 06:34:33.453 DEBUG   --- [           main] 
org.onap.aai.restclient.RestClient       : METHOD=GET, 
URL=http://aai-schema-service.onap:8452/aai/schema-service/v1/versions, BODY=
2022-09-20 06:34:33.573  INFO   --- [           main] 
org.onap.logging.filter.base.MDCSetup    : Checking for system property 
[partnerName]
2022-09-20 06:34:33.574  INFO   --- [           main] 
org.onap.logging.filter.base.MDCSetup    : System property was null or empty. 
Checking environment variable for: partnerName
2022-09-20 06:34:33.574  INFO   --- [           main] 
org.onap.logging.filter.base.MDCSetup    : Environment variable: partnerName 
was null or empty
2022-09-20 06:34:33.574  INFO   --- [           main] 
o.o.l.f.base.AbstractMetricLogFilter     : Invoke
2022-09-20 06:34:33.706  WARN   --- [           main] 
s.c.a.AnnotationConfigApplicationContext : Exception encountered during context 
initialization - cancelling refresh attempt: 
org.springframework.beans.factory.BeanCreationException: Error creating bean 
with name 'schemaServiceVersions' defined in 
org.onap.aai.config.SchemaServiceConfiguration: Bean instantiation via factory 
method failed; nested exception is 
org.springframework.beans.BeanInstantiationException: Failed to instantiate 
[org.onap.aai.setup.SchemaServiceVersions]: Factory method 
'schemaServiceVersions' threw exception; nested exception is 
org.springframework.beans.factory.BeanCreationException: Error creating bean 
with name 'schemaVersionsBean': Invocation of init method failed; nested 
exception is org.springframework.web.client.ResourceAccessException: I/O error 
on GET request for 
"http://aai-schema-service.onap:8452/aai/schema-service/v1/versions": null; 
nested exception is org.apache.http.client.ClientProtocolException
2022-09-20 06:34:33.724  INFO   --- [           main] 
org.onap.aai.util.ExceptionTranslator    : Exception is The server failed to 
respond with a valid HTTP responseRoot cause 
isorg.apache.http.ProtocolException: The server failed to respond with a valid 
HTTP response
2022-09-20 06:34:33.733 DEBUG   --- [           main] 
org.onap.aai.util.AAIConfig              : Reloading config from 
/opt/app/aai-graphadmin/resources/etc/appprops/aaiconfig.properties
2022-09-20 06:34:33.733  INFO   --- [           main] 
org.onap.aai.util.AAIConfig              : Found the aaiconfig.properties in 
the following location: 
/opt/app/aai-graphadmin/resources/etc/appprops/aaiconfig.properties
2022-09-20 06:34:33.739 ERROR   --- [           main] 
org.onap.aai.logging.ErrorLogHelper      : E RR.5.4.3025 
ex=org.onap.aai.exceptions.AAIException: Error creating bean with name 
'schemaServiceVersions' defined in 
org.onap.aai.config.SchemaServiceConfiguration: Bean instantiation via factory 
method failed; nested exception is 
org.springframework.beans.BeanInstantiationException: Failed to instantiate 
[org.onap.aai.setup.SchemaServiceVersions]: Factory method 
'schemaServiceVersions' threw exception; nested exception is 
org.springframework.beans.factory.BeanCreationException: Error creating bean 
with name 'schemaVersionsBean': Invocation of init method failed; nested 
exception is org.springframework.web.client.ResourceAccessException: I/O error 
on GET request for 
"http://aai-schema-service.onap:8452/aai/schema-service/v1/versions": null; 
nested exception is org.apache.http.client.ClientProtocolException, resolve and 
retry ClassName- org.onap.aai.logging.ErrorLogHelper :LineNumber- 616 
:MethodName- logError ClassName- org.onap.aai.schema.GenTester :LineNumber- 72 
:MethodName- main ClassName- sun.reflect.NativeMethodAccessorImpl :LineNumber- 
-2 :MethodName- invoke0 ClassName- sun.reflect.NativeMethodAccessorImpl 
:LineNumber- 62 :MethodName- invoke ClassName- 
sun.reflect.DelegatingMethodAccessorImpl :LineNumber- 43 :MethodName- invoke 
ClassName- java.lang.reflect.Method :LineNumber- 498 :MethodName- invoke 
ClassName- org.springframework.boot.loader.MainMethodRunner :LineNumber- 48 
:MethodName- run ClassName- org.springframework.boot.loader.Launcher 
:LineNumber- 87 :MethodName- launch ClassName- 
org.springframework.boot.loader.Launcher :LineNumber- 50 :MethodName- launch 
ClassName- org.springframework.boot.loader.PropertiesLauncher :LineNumber- 595 
:MethodName- main
Exception in thread "main" java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at 
org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:48)
at org.springframework.boot.loader.Launcher.launch(Launcher.java:87)
at org.springframework.boot.loader.Launcher.launch(Launcher.java:50)
at 
org.springframework.boot.loader.PropertiesLauncher.main(PropertiesLauncher.java:595)
Caused by: org.onap.aai.exceptions.AAIException: Error connecting to 
SchemaService - Please Investigate
at 
org.onap.aai.util.ExceptionTranslator.schemaServiceExceptionTranslator(ExceptionTranslator.java:51)
at org.onap.aai.schema.GenTester.main(GenTester.java:70)
... 8 more
Failed to run the tool /opt/app/aai-graphadmin/bin/createDBSchema.sh 
successfully
Failed to run the createDBSchema.sh
root@onapserver:~#

from your information, I know that this is cause by IP resolution for 
aai-schema-service.onap

my pod and service IP information:
root@onapserver:~# kubectl -n onap get pod -o wide | grep onap-aai
onap-aai-modelloader-548bcd8cdc-6ww85              2/2     Running     0        
       98m     10.1.66.26    onapserver   <none>           <none>
onap-aai-babel-598d878fdc-2jvcx                    2/2     Running     0        
       98m     10.1.66.13    onapserver   <none>           <none>
onap-aai-schema-service-84b84bddf4-m9t5z           2/2     Running     0        
       98m     10.1.66.58    onapserver   <none>           <none>

root@onapserver:~# kubectl -n onap get svc| grep aai
aai-babel                          NodePort       10.152.183.85    <none>       
                          9516:30279/TCP                                        
   98m
aai-sparky-be                      NodePort       10.152.183.102   <none>       
                          8000:30220/TCP                                        
   98m
aai-resources                      ClusterIP      10.152.183.157   <none>       
                          8447/TCP,5005/TCP                                     
   98m
aai-traversal                      ClusterIP      10.152.183.71    <none>       
                          8446/TCP,5005/TCP                                     
   98m
aai-graphadmin                     ClusterIP      10.152.183.81    <none>       
                          8449/TCP,5005/TCP                                     
   98m
aai-modelloader                    NodePort       10.152.183.228   <none>       
                          8080:30210/TCP,8443:30229/TCP                         
   98m
aai                                NodePort       10.152.183.165   <none>       
                          80:30233/TCP                                          
   98m
aai-schema-service                 ClusterIP      10.152.183.61    <none>       
                          8452/TCP,5005/TCP 98m

Which IP should I use? And where should I add these records?
Thanks for you help.

BRs
Albert Chen


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