Github user ykrips commented on the pull request:
https://github.com/apache/tajo/pull/412#issuecomment-78837635
Client does not check the connection status. Can you check this exception?
```
com.google.protobuf.ServiceException:
org.apache.tajo.rpc.TajoServiceException:
java.nio.channels.ClosedChannelException
at
org.apache.tajo.rpc.BlockingRpcClient$ProxyRpcChannel.callBlockingMethod(BlockingRpcClient.java:115)
at
org.apache.tajo.ipc.TajoMasterClientProtocol$TajoMasterClientProtocolService$BlockingStub.getAllDatabases(TajoMasterClientProtocol.java:2163)
at
org.apache.tajo.client.CatalogAdminClientImpl$4.call(CatalogAdminClientImpl.java:106)
at
org.apache.tajo.client.CatalogAdminClientImpl$4.call(CatalogAdminClientImpl.java:100)
at
org.apache.tajo.rpc.ServerCallable.withRetries(ServerCallable.java:94)
at
org.apache.tajo.client.CatalogAdminClientImpl.getAllDatabaseNames(CatalogAdminClientImpl.java:99)
at
org.apache.tajo.client.TajoClientImpl.getAllDatabaseNames(TajoClientImpl.java:186)
at
org.apache.tajo.client.TestTajoClient.testSelectDatabaseToInvalidOne(TestTajoClient.java:145)
```
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
