Atlas (Failed to obtain graph instance)

[#1]

Hi,

I am trying to install Atlas using (solr, Hbase, and Kafka), the issue when trying to start Atlas, I got the below logs and Atlas web UI give the below error

Note:- cluster kerberized and SSL Enabled

HTTP ERROR 503 Service Unavailable

URI:STATUS:MESSAGE:SERVLET:

/

503

Service Unavailable

-

2024-06-15 07:07:08,377 INFO - [main:] ~ Cluster at utility01.swntq.corp:2181,master01.swntq.corp:2181,master02.swntq.corp:2181/solr-infra ready (ZkClientClusterStateProvider:178)
2024-06-15 07:07:09,265 INFO - [main:] ~ Failed to obtain graph instance, retrying 3 times, error: java.lang.NullPointerException (AtlasGraphProvider:100)
2024-06-15 07:08:08,550 WARN - [Thread-23:] ~ TGT renewal thread has been interrupted and will exit. (Login$1:203)
2024-06-15 07:08:08,550 INFO - [ReadOnlyZKClient-utility01.swntq.corp:2181,master01.swntq.corp:2181,master02.swntq.corp:2181@0x076b05c0:] ~ Session: 0x2001da1e4992ffd closed (ZooKeeper:1288)
2024-06-15 07:08:08,550 INFO - [ReadOnlyZKClient-utility01.swntq.corp:2181,master01.swntq.corp:2181,master02.swntq.corp:2181@0x076b05c0-EventThread:] ~ EventThread shut down for session: 0x2001da1e4992ffd (ClientCnxn$EventThread:568)

[#2]

@AElbehwash Could you check the stdout/stderr for any errors? Ideally located at "/var/run/cloudera-scm-agent/process/##########-atlas-ATLAS_SERVER/logs/*" in the Atlas server node.

[#3]

@AElbehwash, Did the response assist in resolving your query? If it did, kindly mark the relevant reply as the solution, as it will aid others in locating the answer more easily in the future.