Authentication error in the Decision Data Store landing page

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.

Condition

The DDS landing page displays the following error:

Caused by: java.lang.IllegalArgumentException: initialArraySize cannot be negative but was: -2147483648  
at com.google.common.collect.CollectPreconditions.checkNonnegative(CollectPreconditions.java:39)  
at com.google.common.collect.Lists.newArrayListWithCapacity(Lists.java:186)  
at com.datastax.driver.core.HostConnectionPool.initAsync(HostConnectionPool.java:108)  
at com.datastax.driver.core.SessionManager.replacePool(SessionManager.java:323)  
at com.datastax.driver.core.SessionManager.maybeAddPool(SessionManager.java:359)  
at com.datastax.driver.core.SessionManager.createPools(SessionManager.java:119)  
at com.datastax.driver.core.SessionManager.initAsync(SessionManager.java:89)  
at com.datastax.driver.core.Cluster.connectAsync(Cluster.java:332)  
at com.datastax.driver.core.Cluster.connectAsync(Cluster.java:305)  
at com.datastax.driver.core.Cluster.connect(Cluster.java:247)  

Remedy

• Specify the Cassandra user credentials for connecting to an external Cassandra database.

  For more information, see Connecting to an external Cassandra database.