Backport PR #16323 to 8.15: make pipeline resilient to stack overflow during compilation#16336
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Backport PR #16323 to 8.15: make pipeline resilient to stack overflow during compilation#16336
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…16323) This commit improves error handling when pipelines that are too big hit the Xss limit and throw a StackOverflowError. Currently the exception is printed outside of the logger, and doesn’t even show if log.format is json, leaving the user to wonder what happened. A couple of thoughts on the way this is implemented: * There should be a first barrier to handle pipelines that are too large based on the PipelineIR compilation. The barrier would use the detection of Xss to determine how big a pipeline could be. This however doesn't reduce the need to still handle a StackOverflow if it happens. * The catching of StackOverflowError could also be done on the WorkerLoop. However I'd suggest that this is unrelated to the Worker initialization itself, it just so happens that compiledPipeline.buildExecution is computed inside the WorkerLoop class for performance reasons. So I'd prefer logging to not come from the existing catch, but from a dedicated catch clause. Solves #16320 (cherry picked from commit 8f2dae6)
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Backport PR #16323 to 8.15 branch, original message:
A couple of thoughts on the way this is implemented:
compiledPipeline.buildExecutionis computed inside the WorkerLoop class for performance reasons. So I'd prefer logging to not come from the existingcatch, but from a dedicated catch clause.Solves #16320