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
Maven compilation failure with
python2 not found
error
Fix compiling on Mac M1 chip
Runtime
8.x+ upgrade
Why metrics indexes(ElasticSearch) in Hour and Day precisions stop update after upgrade to 7.x?
6.x version upgrade
Why only traces in UI?
The trace doesn't continue in kafka consumer side
Agent or collector version upgrade, 3.x -> 5.0.0-alpha
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
Use the profile exporter tool if the profile analysis is not right
Compatible with other javaagent bytecode processing
Java agent memory leak
when enhance
Worker thread
at use Thread Pool
Thrift plugin
UI
What is
VNode
? And why does SkyWalking have that?