HealthCheck endpoint behavior on TomEE

[Adam Wisniewski]

Hi,

I have a basic health check set up using TomEE. My HealthCheck implementation is annotated with @Health and @ApplicationScoped, and my jaxrs Application implementation has an @ApplicationPath annotation set. What is the expected url regarding the /health endpoint? My understanding is that the endpoint should be scoped to the context root for the application, ignoring whatever is set for @ApplicationPath. However, on TomEE I notice the health endpoint is appended to the application path. For example, if I have @ApplicationPath(“groups”), the health check url is <host>:<port>/groups/health, not <host>:<port>/health. With other runtimes, the health check url does not include the application path (i.e. “groups”). Is this just a difference in implementation or should this behavior be consistent? 

Thanks! 

[Antoine Sabot-Durand]

Hi,

MP Health doesn't spec doesn't say anything regarding @ApplicationPath, therefore the expected behavior is to have /<contextroot>/health as endpoint. Some implementation provide specific configuration to change these endpoints.

[Emily Jiang]

I checked MicroProfile Health Spec and TCK. The spec mentions: Contextual references of health check procedures are invoked by runtime when the outermost protocol entry point (i.e. http://HOST:PORT/health) receives an inbound request.

https://download.eclipse.org/microprofile/microprofile-health-2.1/microprofile-health-spec.html#_readiness_check

https://github.com/eclipse/microprofile-health/blob/master/tck/running_the_tck.asciidoc

"For any test runs, the TCK will append /health, so that a fully qualified URL to your health impoementation looks like http://<HOST:<PORT>/health"

See the detailed discussion on this issue, when I asked for the end point to be exposed under application context. Different impls can provide over and above than what is required, which is host:port/health/*.

Thanks

Emily

[Jonathan Gallimore]

Hi Adam

Could you report this on the TomEE mailing list? I'd be happy to take a look.

Cheers

Jon

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[Adam Wisniewski]

Hi Jon - will do.  Is that just us...@tomee.apache.org?

On Tuesday, October 1, 2019 at 8:51:57 AM UTC-4, Jonathan Gallimore wrote:

Hi Adam

Could you report this on the TomEE mailing list? I'd be happy to take a look.

Cheers

Jon

On Tue, Oct 1, 2019 at 2:34 AM Adam Wisniewski <adam.wis...@gmail.com> wrote:

Hi,

I have a basic health check set up using TomEE. My HealthCheck implementation is annotated with @Health and @ApplicationScoped, and my jaxrs Application implementation has an @ApplicationPath annotation set. What is the expected url regarding the /health endpoint? My understanding is that the endpoint should be scoped to the context root for the application, ignoring whatever is set for @ApplicationPath. However, on TomEE I notice the health endpoint is appended to the application path. For example, if I have @ApplicationPath(“groups”), the health check url is <host>:<port>/groups/health, not <host>:<port>/health. With other runtimes, the health check url does not include the application path (i.e. “groups”). Is this just a difference in implementation or should this behavior be consistent? 

Thanks! 

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[Jonathan Gallimore]

Yes - that should do the trick - thank you!

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