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[IJ25819] QRadar: How to resolve "java.lang.NoClassDefFoundError"

Troubleshooting


Problem

Steps to resolve defect IJ25819, "java.lang.NoClassDefFoundError" exception.

Symptom

  • The ecs-ec-Ingress service can fail to load properly due to:
    Error : java.lang.NoClassDefFoundError: com.amazonaws.auth.AWSCredentialsProvider
    NOTE: When the ecs-ec-ingress service fails to load, events are not being collected or processed by QRadar.
  • Error from /var/log/qradara.log indicating a missing class (java.lang.NoClassDefFoundError):
    Oct 2 22:52:46 ::ffff:10.204.251.206 [ecs-ec-ingress.ecs-ec-ingress] [Thread-20] Caused by: 
    java.lang.NoClassDefFoundError: com.amazonaws.services.securitytoken.model.AWSSecurityTokenServiceException

Document Location

Worldwide

[{"Type":"MASTER","Line of Business":{"code":"LOB77","label":"Automation Platform"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSBQAC","label":"IBM Security QRadar SIEM"},"ARM Category":[{"code":"a8m0z000000cwt0AAA","label":"Log Source"}],"ARM Case Number":"","Platform":[{"code":"PF016","label":"Linux"}],"Version":"All Versions"}]

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Document Information

Modified date:
18 September 2023

UID

ibm17028900