wburon edited a comment on issue #284:
URL: https://github.com/apache/pulsar-manager/issues/284#issuecomment-635255733


   I'm facing the same issue. 
   Thanks @Persi to share how to get logs.
   It seems to be a problem with the internal database in my case.
   I got "Failed to obtain JDBC Connection".
   
   > ### Error querying database.  Cause: 
org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain 
JDBC Connection; nested exception is org.postgresql.util.PSQLException: 
Connection to 127.0.0.1:5432 refused. Check that the hostname and port are 
correct and that the postmaster is accepting TCP/IP connections.
   > ### The error may exist in 
org/apache/pulsar/manager/mapper/EnvironmentsMapper.java (best guess)
   > ### The error may involve 
org.apache.pulsar.manager.mapper.EnvironmentsMapper.findByName
   > ### The error occurred while executing a query
   
   I add the pulsarui volume and it works. 
   
   I have trouble with creating environment on the pulsar manager ui but this 
is another story.


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