Unable to reinstall the Information Server DataStage engine tier after removing a previous installation

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Technote (troubleshooting)

Problem(Abstract)

After uninstalling a DataStage Engine, the installation of a new Engine on the same system is failing.

Symptom

Receiving the following error during reinstallation :

CDIIN5123E: RegistrationCommandAction failed: the process returned error code 1:
The following exception has occurred: Caught an unexpected exception.
CDIIN5106I: Details: InstallAction (_id = agent.registration, _installUnitModelId = ISFAgent)
WARNING: com.ibm.is.install.core.CommonProcess Exit

Cause

The Engine tiers has not been uninstalled properly

Resolving the problem

Execute the following commands (.sh or .bat) located in directory <ISHOME>/ASBNode/bin to remove previously existing references of the DataStage Engine :

./RegistrationCommand<.sh/.bat>-remove-node <node name> -hostname <hostname>
port <port_number> -user <isadmin_user> -password <isadmin_password>


And


./AgentConfig<.sh/.bat> -user <isadmin_user> -password <isadmin_password> -v -level TRACE
-unregisterAgesterAgent -host <hostname> -port <port number>

with

<isadmin_password> the IS user defined with "Suite Administrator" role

<node name> and <hostname> the hostname of the system defined when the product was installed

<port number> the port number of the ASBAgent, by default this is 31531

Note : these commandes are also available on the Services tiers system, under <IS_HOME>/ASBServer/bin

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