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Unable to connect to Cassandra cluster

Updated on April 5, 2022

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

A node cannot join the Decision Data Store (DDS) cluster.

This issue is caused by the failure of a DataStax driver. An error message is displayed in Pega Platform when trying to add a node to the cluster, for example:

[JAVA-1220] Driver should fail fast on subsequent connect/init calls if Cluster.manager.init() fails - DataStax
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:174)
at com.datastax.driver.core.HostConnectionPool.initAsync(HostConnectionPool.java:114)
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:336)
at com.datastax.driver.core.Cluster.connectAsync(Cluster.java:309)
at com.datastax.driver.core.Cluster.connect(Cluster.java:251

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