When shutting down FlowController, wait up to gracefulShutdownSeconds seconds for the components to stop before shutting down thread pools. This allows for asynchronous operations such as disableControllerServicesAsync to complete during shutdown. Updated StandardStatelessFlow so that on shutdown it catches more general Exception to ensure that shutdown succeeds
Ensure that Max Concurrent Tasks cannot be set less than 1 for stateless group; fixed typo in ProcessGroupDTO's docs; on shutdown, we may need to disable controller services asynchronously. At that point, the thread pool used to do so may already be shutdown. If so, catch this and create a new single-thread pool, disable the service, and immediately shutdown the pool. Also, if we fail to disable services on shutdown of a stateless flow, instead of throwing an Exception, just log it and move on - it doesn't make much sense for shutdown() to throw an Exception in that case.
Updated system tests so that when emptying a queue, we check the result and if the queue still has data (because a Processor hasn't acknowledged the data, for example) then continue issuing request until the queue fully becomes empty.
When shutting down input/output ports for stateless group, ensure that we wait for the ports' active threads to complete before returning
When stopping StatelessGroupNode, ensure that all the Processors, Controller Services (even those not executed by the Stateless Engine) are stopped/disabled before considering the Stateless Group to be fully STOPPED.
This closes#7253
Signed-off-by: David Handermann <exceptionfactory@apache.org>
- Removed unnecessary references to jackson.version property
- Removed unnecessary dependency management references to Jackson libraries
This closes#5992
Signed-off-by: Mike Thomsen <mthomsen@apache.org>
- Updated stateless and StandardProcessGroup, etc. to make use of VersionedExternalFlow
- Updated StatelessDataflowDefinition to use ExternalVersionedFlow instead of generic type
- Updated Stateless Bootstrap to avoid loading stateless engine libs from root class path but instead use a NarClassLoader to load the statelss nar
Signed-off-by: Joe Gresock <jgresock@gmail.com>
This closes#5832.
- Addressed issue identified in system test where a flow can fail due to FailurePortEncounteredException but then purge the flow in the background after the call to trigger completes
Signed-off-by: Joe Gresock <jgresock@gmail.com>
This closes#5450.
- A few minor updates to Stateless in order to surface some concepts from the stateless engine up to the caller, such as bulletins, counters, etc.
Signed-off-by: Joe Gresock <jgresock@gmail.com>
This closes#5412.
