Troubleshooting Deployment and Undeployment Issues
Troubleshooting Deployment and Undeployment Issues
You are not able to undeploy a rule.
The following error message appears when you undeploy a rule:
Error YDR-3007. Grid Manager unreachable.
You might not be able to undeploy a rule if there is an issue with the topology server and the controllers.
On the Dashboard, verify whether the topology server and the controllers are running. In addition, verify whether the node agent is running.
The Dashboard does not display events for a deployed source.
This error can occur in the following situations:
The database table to which the source tries to connect does not have data.
There might be a time lag from when a topic is updated until the time the events status appears on the Dashboard.
Perform one of the following actions:
Run a query against the database to which you want the source to connect and ensure that the table or view that you are trying to connect contains data.
Click the
Refresh
button on the Dashboard to update the status of events.
In a high availability setup, the Dashboard does not display the digit 1 in the red or green boxes under the Activity Managers, Nodes, or Hosts sections.
This issue occurs if the topology is not in the running state.
To resolve this issue, terminate all the stale topology processes and restart the topology.
You are not able to deploy a sample project.
The following error message appears when you deploy a sample project:
Error YDR-3005. A runtime error occurred.
This issue occurs if you start the host agent by using the host name instead of the IP address.
Start the host agent by using the IP address. The following is an example of using the IP address to start the host agent: