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Authentication error in the Decision Data Store landing page

Updated on May 17, 2024

This content applies only to On-premises and Client-managed cloud environments

If you do not specify user credentials for connecting to an external Cassandra database or if the credentials are incorrect, the Decision Data Store (DDS) landing page displays an authentication error.


The DDS landing page displays the following error:

Caused by: java.lang.IllegalArgumentException: initialArraySize cannot be negative but was: -2147483648  
at com.datastax.driver.core.HostConnectionPool.initAsync(  
at com.datastax.driver.core.SessionManager.replacePool(  
at com.datastax.driver.core.SessionManager.maybeAddPool(  
at com.datastax.driver.core.SessionManager.createPools(  
at com.datastax.driver.core.SessionManager.initAsync(  
at com.datastax.driver.core.Cluster.connectAsync(  
at com.datastax.driver.core.Cluster.connectAsync(  
at com.datastax.driver.core.Cluster.connect(  


  • Previous topic Unable to add a node to the Decision Data Store service
  • Next topic Cassandra user does not have the required permissions

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