init global tracer in premain #171
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realark
added
type: bug
tylerbenson
approved these changes
Dec 9, 2017
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Ran into another spring-boot issue. The springboot classloader was the context loader for the thread that initialized the global tracer. This caused the ServiceLoader to look on the spring classpath for loading the tracer services, which couldn't see our agent jar.
Doing the init at premain bypasses the problem by using the system classloader to set up the global tracer.