FAQs

These are known and common FAQs. We welcome you to contribute yours.

Design

• Why doesn't SkyWalking involve MQ in the architecture?

Compiling

• Protoc plugin fails in maven build
• Required items could not be found, when import project into Eclipse

Runtime

• Why only traces in UI?
• Too many GRPC logs in the console
• The trace doesn't continue in kafka consumer side
• Agent or collector version upgrade
• EnhanceRequireObjectCache class cast exception
• ElasticSearch server performance FAQ, including ERROR CODE:429
• IllegalStateException when install Java agent on WebSphere 7
• “FORBIDDEN/12/index read-only / allow delete (api)” appears in the log
• No data shown and backend replies with “Variable ‘serviceId’ has coerced Null value for NonNull type ‘ID!’”
• Unexpected endpoint register warning after 6.6.0