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Exception on sending or receiving a chat text



Exception occurs when a customer service representative sends a chat text to the user or the user sends a chat text.

Error Messages

Unable to obtain session. Cassandra hasn't been started or is unavailable.

Type .common.util.concurrent.UncheckedExecutionException
Message Unable to obtain session. Cassandra hasn't been started or is unavailable
at com.pega.decision.adm.client.impl.cache.ModelCache.getModel(
at com.pega.decision.adm.client.impl.ModelInitializer.getOrCreateModel(
at com.pega.decision.adm.client.impl.ClientImpl.scoreAndCreateModelIfNew(
at com.pegarules.generated.adaptivemodel.ra_action_predictwin_21d542423037d4588c28058ec7a21a1a.perform(
at com.pega.decision.dsm.strategy.CachedExternalRuleExecutor.doAction(
at com.pegarules.generated.strategy.ra_action_evaluateopportunity_caab1d2de62668532e8298b8aeb1f8ec$12.executeOverallWin(
at com.pegarules.generated.strategy.ra_action_evaluateopportunity_caab1d2de62668532e8298b8aeb1f8ec$12.execute(
at com.pega.decision.strategy.impl.exec.CustomComponentExecutor.inlineExecute(
at com.pega.decision.strategy.impl.exec.SequenceComponentExecutor.execute(

Steps to Reproduce

Log in to PegaChat and attempt to chat with a user.

Root Cause

A defect in Pegasystems’ code or rules.


Apply HFix-44177.



Published July 23, 2018 - Updated December 2, 2021

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