Java Platform, Enterprise Edition (Java EE) 8 The Java EE Tutorial

## Concurrency and Security

Concurrency Utilities for Java EE defers most security decisions to the application server implementation. If, however, the container supports a security context, that context can be propagated to the thread of execution. The `ContextService` can support several runtime behaviors, and the `security` attribute, if enabled, will propagate the container security principal.

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