Event Manager service fails to start.

Products

• Network Observability

Issue/Introduction

In review of the opt\CA\PerformanceCenter\EM\logs\wrapper.log file the following Kafka errors are seen:

INFO   | jvm 1    | 2025/07/07 09:35:40 | ERROR | KafkaEventProducerTask-0 | 2025-07-07 09:35:40,292 | com.ca.im.portal.em.kafka.producer.KafkaEventProducerTask        
INFO   | jvm 1    | 2025/07/07 09:35:40 |       | Failed to send NPCEventID 170 to Kafka.
INFO   | jvm 1    | 2025/07/07 09:35:40 | java.util.concurrent.ExecutionException: org.apache.kafka.common.errors.TimeoutException: Expiring 9 record(s) for netops.eventmanager.events-1:120000 ms has passed since batch creation
INFO   | jvm 1    | 2025/07/07 09:35:40 |     at org.apache.kafka.clients.producer.internals.FutureRecordMetadata.valueOrError(FutureRecordMetadata.java:97) ~[kafka-clients-3.9.0.jar:?]
INFO   | jvm 1    | 2025/07/07 09:35:40 |     at org.apache.kafka.clients.producer.internals.FutureRecordMetadata.get(FutureRecordMetadata.java:65) ~[kafka-clients-3.9.0.jar:?]
INFO   | jvm 1    | 2025/07/07 09:35:40 |     at org.apache.kafka.clients.producer.internals.FutureRecordMetadata.get(FutureRecordMetadata.java:30) ~[kafka-clients-3.9.0.jar:?]
INFO   | jvm 1    | 2025/07/07 09:35:40 |     at com.ca.im.portal.em.kafka.producer.KafkaEventProducerTask.handleResults(KafkaEventProducerTask.java:225) [classes/:?]
INFO   | jvm 1    | 2025/07/07 09:35:40 |     at com.ca.im.portal.em.kafka.producer.KafkaEventProducerTask.run(KafkaEventProducerTask.java:147) [classes/:?]
INFO   | jvm 1    | 2025/07/07 09:35:40 |     at java.lang.Thread.run(Unknown Source) [?:?]
INFO   | jvm 1    | 2025/07/07 09:35:40 | Caused by: org.apache.kafka.common.errors.TimeoutException: Expiring 9 record(s) for netops.eventmanager.events-1:120000 ms has passed since batch creation

Cause

Kafka processes not running on Kafka host

Resolution

Start the kafka processes on the Kafka server.