mirror of
https://git.asonix.dog/asonix/background-jobs.git
synced 2024-11-24 21:11:03 +00:00
actix: simplify worker & server implementations
This commit is contained in:
asonix
parent
8af4af8374
commit
45c5bb946c
2 changed files with 60 additions and 119 deletions
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@ -1,11 +1,9 @@
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use crate::{
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storage::{ActixStorage, StorageWrapper},
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worker::Worker,
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};
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use crate::storage::{ActixStorage, StorageWrapper};
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use anyhow::Error;
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use background_jobs_core::{NewJobInfo, ReturnJobInfo, Storage};
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use background_jobs_core::{JobInfo, NewJobInfo, ReturnJobInfo, Storage};
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use std::sync::Arc;
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use tracing::{error, trace};
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use tracing::trace;
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use uuid::Uuid;
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/// The server Actor
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///
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@ -28,33 +26,16 @@ impl Server {
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}
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pub(crate) async fn new_job(&self, job: NewJobInfo) -> Result<(), Error> {
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let ready = job.is_ready();
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self.storage.new_job(job).await?;
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if !ready {
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trace!("New job is not ready for processing yet, returning");
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return Ok(());
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}
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Ok(())
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self.storage.new_job(job).await.map(|_| ())
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}
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pub(crate) async fn request_job(
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&self,
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worker: Box<dyn Worker + Send + Sync + 'static>,
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) -> Result<(), Error> {
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trace!("Worker {} requested job", worker.id());
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let job = self
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.storage
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.request_job(worker.queue(), worker.id())
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.await?;
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if let Err(job) = worker.process(job).await {
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error!("Worker {} has hung up", worker.id());
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self.storage.return_job(job.unexecuted()).await?;
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}
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Ok(())
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worker_id: Uuid,
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worker_queue: &str,
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) -> Result<JobInfo, Error> {
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trace!("Worker {} requested job", worker_id);
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self.storage.request_job(worker_queue, worker_id).await
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}
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pub(crate) async fn return_job(&self, job: ReturnJobInfo) -> Result<(), Error> {
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@ -1,63 +1,10 @@
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use std::future::Future;
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use crate::Server;
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use background_jobs_core::{CachedProcessorMap, JobInfo};
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use tokio::sync::mpsc::{channel, Sender};
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use background_jobs_core::CachedProcessorMap;
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use std::future::Future;
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use tracing::Span;
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use tracing_futures::Instrument;
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use uuid::Uuid;
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#[async_trait::async_trait]
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pub trait Worker {
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async fn process(&self, job: JobInfo) -> Result<(), JobInfo>;
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fn id(&self) -> Uuid;
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fn queue(&self) -> &str;
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}
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#[derive(Clone)]
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pub(crate) struct LocalWorkerHandle {
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tx: Sender<JobInfo>,
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id: Uuid,
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queue: String,
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}
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impl LocalWorkerHandle {
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fn span(&self, operation: &str) -> Span {
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tracing::info_span!(
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"Worker",
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worker.id = tracing::field::display(&self.id),
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worker.queue = tracing::field::display(&self.queue),
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worker.operation.id = tracing::field::display(&Uuid::new_v4()),
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worker.operation.name = tracing::field::display(operation),
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exception.message = tracing::field::Empty,
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exception.details = tracing::field::Empty,
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)
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}
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}
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#[async_trait::async_trait]
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impl Worker for LocalWorkerHandle {
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async fn process(&self, job: JobInfo) -> Result<(), JobInfo> {
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match self.tx.clone().send(job).await {
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Err(e) => {
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tracing::error!("Unable to send job");
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Err(e.0)
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}
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_ => Ok(()),
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}
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}
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fn id(&self) -> Uuid {
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self.id
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}
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fn queue(&self) -> &str {
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&self.queue
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}
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}
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struct LocalWorkerStarter<State: Clone + 'static, Extras: 'static> {
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queue: String,
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processors: CachedProcessorMap<State>,
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@ -146,53 +93,66 @@ pub(crate) async fn local_worker<State, Extras>(
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};
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let id = Uuid::new_v4();
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let (tx, mut rx) = channel(16);
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let handle = LocalWorkerHandle { tx, id, queue };
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let log_on_drop = LogOnDrop(|| handle.span("closing"));
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let log_on_drop = LogOnDrop(|| make_span(id, &queue, "closing"));
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loop {
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let span = handle.span("request");
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if let Err(e) = server
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.request_job(Box::new(handle.clone()))
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.instrument(span.clone())
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let request_span = make_span(id, &queue, "request");
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let job = match request_span
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.in_scope(|| server.request_job(id, &queue))
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.instrument(request_span.clone())
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.await
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{
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metrics::counter!("background-jobs.worker.failed-request", 1);
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Ok(job) => job,
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Err(e) => {
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metrics::counter!("background-jobs.worker.failed-request", 1);
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let display = format!("{}", e);
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let debug = format!("{:?}", e);
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span.record("exception.message", &tracing::field::display(&display));
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span.record("exception.details", &tracing::field::display(&debug));
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span.in_scope(|| tracing::error!("Failed to notify server of ready worker, {}", e));
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break;
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}
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drop(span);
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if let Some(job) = rx.recv().await {
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let job_id = job.id();
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let return_job = time_job(Box::pin(processors.process(job)), job_id)
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.instrument(handle.span("process"))
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.await;
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let span = handle.span("return");
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if let Err(e) = server.return_job(return_job).instrument(span.clone()).await {
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metrics::counter!("background-jobs.worker.failed-return", 1);
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let display = format!("{}", e);
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let display_val = format!("{}", e);
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let debug = format!("{:?}", e);
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span.record("exception.message", &tracing::field::display(&display));
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span.record("exception.details", &tracing::field::display(&debug));
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span.in_scope(|| tracing::warn!("Failed to return completed job, {}", e));
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request_span.record("exception.message", &tracing::field::display(&display_val));
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request_span.record("exception.details", &tracing::field::display(&debug));
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request_span
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.in_scope(|| tracing::error!("Failed to notify server of ready worker"));
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break;
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}
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};
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drop(request_span);
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continue;
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let job_id = job.id();
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let return_job = time_job(Box::pin(processors.process(job)), job_id)
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.instrument(make_span(id, &queue, "process"))
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.await;
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let return_span = make_span(id, &queue, "return");
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if let Err(e) = return_span
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.in_scope(|| server.return_job(return_job))
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.instrument(return_span.clone())
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.await
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{
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metrics::counter!("background-jobs.worker.failed-return", 1);
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let display_val = format!("{}", e);
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let debug = format!("{:?}", e);
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return_span.record("exception.message", &tracing::field::display(&display_val));
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return_span.record("exception.details", &tracing::field::display(&debug));
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return_span.in_scope(|| tracing::warn!("Failed to return completed job"));
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}
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break;
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drop(return_span);
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}
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drop(log_on_drop);
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drop(starter);
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}
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fn make_span(id: Uuid, queue: &str, operation: &str) -> Span {
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tracing::info_span!(
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"Worker",
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worker.id = tracing::field::display(id),
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worker.queue = tracing::field::display(queue),
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worker.operation.id = tracing::field::display(&Uuid::new_v4()),
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worker.operation.name = tracing::field::display(operation),
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exception.message = tracing::field::Empty,
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exception.details = tracing::field::Empty,
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)
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}
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