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Support Article

Packet versions are not matching! - Warning in logs

SA-56000

Summary



Hazelcast packet versions are not matching with Pega 7.2.2.

Error Messages



java.lang.IllegalArgumentException: Packet versions are not matching! This -> 3, Incoming -> 4
    at com.hazelcast.nio.Packet.readFrom(Packet.java:148)
    at com.hazelcast.nio.tcp.DefaultPacketReader.readPacket(DefaultPacketReader.java:45)
    at com.hazelcast.nio.tcp.SocketPacketReader.read(SocketPacketReader.java:41)
    at com.hazelcast.nio.tcp.ReadHandler.handle(ReadHandler.java:79)
    at com.hazelcast.nio.tcp.InSelectorImpl.handleSelectionKey(InSelectorImpl.java:49)
    at com.hazelcast.nio.tcp.AbstractIOSelector.handleSelectionKeys(AbstractIOSelector.java:159)
    at com.hazelcast.nio.tcp.AbstractIOSelector.run(AbstractIOSelector.java:132)


Steps to Reproduce



Not Applicable


Root Cause



A defect or configuration issue in the operating environment:

In this instance there was another application using the default ports and in some cases the ports were not available or open.

Resolution



Make the following change to the operating environment:

Provide open and available ports for Hazelcast using the DSS:

 

As an example:

Description: Hazelcast Cluster TCP/IP ports Pega 7.1.7 cluster
Owning Ruleset: Pega-Engine
Setting Purpose: prconfig/cluster/hazelcast/ports/default
Value: 5701-5750

Description: Hazelcast Cluster TCP/IP ports Pega 7.2.2 cluster
Owning Ruleset: Pega-Engine
Setting Purpose: prconfig/cluster/hazelcast/ports/default
Value: 5750-5800

Published August 24, 2018 - Updated October 8, 2020

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