Job Manager release notes

Job Manager v160

Fri, 16 Sep 2022 00:00:00 +0000

New Features

Added an instance refresh script

Improvements

Reduced logging levels for container events

Job Manager v162

Fri, 23 Sep 2022 00:00:00 +0000

New Features

Adding MAX_JOB_CAPACITY, which is the maximum number of heavyweight jobs that the job manager will run in parallel, as an environment variable

Improvements

Added a pending queue for private job managers, before getting jobs from Horde

Job Manager v166

Tue, 04 Oct 2022 00:00:00 +0000

New Features

Adding DESIRED_RUNTIMES as an environment variable, so users can supply their particularly desired runtime(s) and tags

Improvements

Making DOCKER_REGISTRY and DOCKER_REPOSITORY configurable via environment variables to replace the default docker.io and newrelic values, respectively

Fixes

Sending all events data via the environment variable rather than just through US_EAST_1

Job Manager v172

Thu, 06 Oct 2022 00:00:00 +0000

Improvements

Improved AWS error messages

Job Manager v168

Wed, 05 Oct 2022 00:00:00 +0000

Fixes

Fixed a bug where the PrivateRuntimeDownloadUtility wasn't evaluating the default registry correctly

Job Manager v183

Mon, 10 Oct 2022 00:00:00 +0000

New Features

Added the ability to configure a CPU core limit for each runtime type

Improvements

Reduced CPU usage while the job manager is waiting for results from ephemeral runtimes by implementing a more efficient waiting algorithm

Job Manager v204

Thu, 03 Nov 2022 00:00:00 +0000

Improvements

Largely improved the reduction in compute resources due to more efficient usage of each job manager
Added more detailed logging for when a job not found
Provided better logging around jobs coming off the parking log

Fixes

Increased container memory to 3.256 Gib and shm size to 2.256 Gib to allow Chrome to have enough resources
Updated dropwizard to version 2.0.34 to remediate Text4Shell Vulnerability (CVE-2022-42889)

Job Manager v191

Mon, 17 Oct 2022 00:00:00 +0000

New Features

Changed the MAX_JOB_CAPACITY environment variable to HEAVYWEIGHT_WORKERS environment variable, which is the maximum number of heavyweight jobs that the job manager will run in parallel

Improvements

Updated the synthetics-utilities version we are using to 1.0.24

Fixes

Added better logging around the error message for not finding the runtimes
Fixed an NPE error about the ping-runtime could not be found after all the runtimes have been downloaded successfully
Replaced docker cpu quotas with docker cpu shares to ensure that unused capacity is not wasted

Job Manager v206

Thu, 10 Nov 2022 00:00:00 +0000

Fixes

Skipped querying for the instanceId if the Metadata field is disabled to avoid Server Side Request Forgery attacks that can leak information

Job Manager v208

Thu, 10 Nov 2022 00:00:00 +0000

Improvements

Adds upgraded logging functionality to include exceptions when they are thrown.

Job Manager v210

Tue, 17 Jan 2023 00:00:00 +0000

Improvements

Adds the type of monitor being staging for execution in key logs in our system.

Job Manager v209

Tue, 17 Jan 2023 00:00:00 +0000

Fixes

Reduces the amount of data pushed to SQS when running non-simple jobs.

Job Manager v212

Tue, 17 Jan 2023 00:00:00 +0000

Improvements

Added additional logging to give insight on when new runtimes are pulled for use.

Job Manager v211

Tue, 17 Jan 2023 00:00:00 +0000

Improvements

Added some additional logging where our local runtime images are checked against the new images.

Job Manager v215

Fri, 20 Jan 2023 00:00:00 +0000

Improvements

Adds NTLM (NT LAN Manager) proxy authentication option

Fixes

Accommodate use of local registries for private Synthetics Job Managers

Job Manager v213

Tue, 17 Jan 2023 00:00:00 +0000

Fixes

Fixes a bug to allow both simple and scripted browser jobs to be recognized as browser jobs.

Job Manager v222

Thu, 16 Feb 2023 00:00:00 +0000

Improvements

Updated java minor version

Feature

Adds configurable option for setting memory limits on heavy worker containers for docker deploys.
Adds configuration option to mount the hosts’s dev/shm to heavy workers.

Job Manager v229

Thu, 09 Mar 2023 00:00:00 +0000

Improvements

Dependency patches to resolve the following CVEs:

CVE-2017-15288
CVE-2022-41915
CVE-2021-37136
CVE-2021-37137
CVE-2020-11612
CVE-2021-29425
CVE-2022-31159
CVE-2021-26291

Job Manager v227

Mon, 06 Mar 2023 00:00:00 +0000

Improvements

Accepts a configurable CHECK_TIMEOUT value for private locations

Job Manager v225

Tue, 28 Feb 2023 00:00:00 +0000

Improvements

Updated jackson version used to 2.14.0 to remediate multiple CVEs

Feature

Grabs the device emulation values pulled from the job and passes them along to the runtime

Job Manager v230

Wed, 15 Mar 2023 00:00:00 +0000

Fixes

Fixes related to our public location offerings. No private location changes.

Job Manager v231

Wed, 05 Apr 2023 00:00:00 +0000

Improvements

Require docker utils to respect the CHECK_TIMEOUT value.

Job Manager v232

Thu, 06 Apr 2023 00:00:00 +0000

Improvements

Fixes a bug in the Kubernetes private Job Manager that caused jobs to be evicted if they weren't picked up quickly enough

Job Manager v233

Tue, 11 Apr 2023 00:00:00 +0000

Improvements

Fails jobs that are missing scripts when a script is expected (browser runtime, api runtime)

Job Manager v246

Thu, 04 May 2023 00:00:00 +0000

Fixes

Appropriately sets the minionDeploymentMode attribute to private on the SyntheticCheckEvent when running a Private Job Manager

Improvements

Dependency patches to resolve CVEs:
Updated okhttp version to 4.10.0 to remediate CVE-2016-2402
Updated bcprov version to 1.66 to remediate CVE-2020-15522

Job Manager v270

Wed, 24 May 2023 00:00:00 +0000

Fixes

Fixed bug where SJM would not fetch a new job after runtime crash.

Improvements

Added loging around parsing exceptions.

Security Patches

CVE-2021-28170
CVE-2023-1370
CVE-2022-31159
CVE-2021-37137
CVE-2021-37136
CVE-2022-42920
CVE-2023-24998

Job Manager v257

Mon, 15 May 2023 00:00:00 +0000

Fixes

SJM will not attempt to run a job that does not have a script.

Job Manager v275

Tue, 30 May 2023 00:00:00 +0000

Fixes

Ignores un-parsable values when runtimes submit results to avoid dropped jobs.

Job Manager v276

Thu, 01 Jun 2023 00:00:00 +0000

Security Patches

CVE-2022-1471

Job Manager v280

Fri, 23 Jun 2023 00:00:00 +0000

Fixes

Fixes related to our public location offerings. No private location changes.

Job Manager v278

Tue, 13 Jun 2023 00:00:00 +0000

Fixes

Bug fixes for internal migration

Improvements

Add code supporting internal migration
Add handlers to improve recognition of string parsing issues

Job Manager v286

Mon, 17 Jul 2023 00:00:00 +0000

Improvements

Increased memory allocation for the ping-runtime from 0.5 GB to 1.0 GB to improve overall reliability and stability of the ping-runtime.

Fixes

Customers occasionally encountered obstacles due to the minimum thread count being sourced from the environment, while the maximum count remained static. Customers can now boot SJM with fewer problems.

Job Manager v291

Thu, 10 Aug 2023 00:00:00 +0000

Improvements

Various quality of life changes for engineering team.

Fixes

Patched the issue where Synthetics Job Managers running on Private Locations were reporting negative values for the statistic minionJobsRunning.

Job Manager v296

Wed, 04 Oct 2023 00:00:00 +0000

Fixes

Fixes the Job Manager image cleanup service to more reliably remove redundant runtime images from the host.

Improvements

Sets the hostname for Job Manager containers in the SyntheticsPrivateMinion event to help identify a Job Manager from NRDB.

Job Manager v297

Thu, 05 Oct 2023 00:00:00 +0000

Improvements

Updates internal models and dependencies to better support the features of Synthetics

Job Manager v298

Mon, 16 Oct 2023 00:00:00 +0000

Fixes

In the Kubernetes private Job Manager, reintroduce a job eviction timer once the job has been picked up by a runtime pod.

Job Manager v299

Tue, 17 Oct 2023 00:00:00 +0000

Improvements

Upgrade Job Manager base image to Ubuntu 22.04
Upgrade JDK to 11.0.20 release of Amazon Corretto 11

Job Manager v310

Thu, 09 Nov 2023 00:00:00 +0000

Security patches

CVE-2023-44487
CVE-2023-36478
CVE-2023-40167
CVE-2023-36479

Job Manager v321

Wed, 06 Dec 2023 00:00:00 +0000

Security fixes

CVE-2023-4586
CVE-2023-2976
CWE-611
CVE-2023-3635

Job Manager v315

Thu, 30 Nov 2023 00:00:00 +0000

Improvements

Upgrade Job Manager Ubuntu minor version

Security fixes

CVE-2023-34462

Job Manager v325

Fri, 15 Dec 2023 00:00:00 +0000

Fixes

Fix for servlet filter class to resolve customer-reported error
Fix error log for fetching job requests

Improvements

Update internal models

Job Manager v326

Wed, 10 Jan 2024 00:00:00 +0000

Improvements

Internal improvements

Job Manager v333

Mon, 29 Jan 2024 00:00:00 +0000

Improvements

For private Docker Synthetics Job Managers, prevents worker threads from spinning up when corresponding runtime type was not requested. This improves CPU resource utilization in these scenarios.

Job Manager v332

Thu, 25 Jan 2024 00:00:00 +0000

New Features

Step monitor support

Improvements

Includes work to support cert check monitors and broken link monitors in the future
Reduce default number of concurrent Browser & API runtime jobs by 1 to reduce likelihood of CPU resource contention in private Docker Synthetics Job Managers

Job Manager v337

Mon, 05 Feb 2024 00:00:00 +0000

Improvements

Docker and Kubernetes are now available as collected metadata.
Upgrades SJM to Java 21.
Recharacterizes Error: timeout of ###ms exceeded to an InternalEngineError (code: 41) so these no longer count against customer checks.

Security Fixes

Package updates to resolve CVE-2024-21634.

Job Manager v339

Tue, 13 Feb 2024 00:00:00 +0000

Improvements

Sets DNS Caching TTL to 60 seconds.

Fixes

Access logging is disabled at WARN, ERROR, and OFF log levels.

Job Manager v341

Wed, 28 Feb 2024 00:00:00 +0000

Security patches

Addresses CVE-2024-25710

Improvements

Adds internal improvements

Job Manager v345

Fri, 15 Mar 2024 00:00:00 +0000

Security patches

Addresses CVE-2024-22201

New Features

Adds support for Verified Script Execution in private locations

Improvements

Adds internal improvements

Job Manager v350

Mon, 25 Mar 2024 00:00:00 +0000

New Features

Shows the customer's website's daysUntilExpiration in the Synthetic event.

Job Manager v347

Tue, 19 Mar 2024 00:00:00 +0000

New Features

Adds support for User-Defined Variables in private locations

Improvements

Adds internal improvements

Job Manager v363

Wed, 10 Apr 2024 00:00:00 +0000

Fixes

Adds null checks for HAR deserialization
Fixes issue with usesCustomNodeModules event attribute so it is no longer always false

Job Manager v360

Fri, 05 Apr 2024 00:00:00 +0000

New Features

Adds Custom Node Modules support for private Job Managers

Job Manager v367

Thu, 18 Apr 2024 00:00:00 +0000

New Features

Adds Webassembly (WASM) support for private Job Managers

Job Manager v370

Wed, 01 May 2024 00:00:00 +0000

Fixes

Fixes issue where being unable to get the instance id would pollute logs with error messages.

Job Manager v368

Tue, 30 Apr 2024 00:00:00 +0000

Security patches

Addresses CVE-2024-30172

Job Manager v380

Wed, 15 May 2024 00:00:00 +0000

Improvements

Updates private location key validation error codes to differentiate failure scenarios
Adds internal improvements

Job Manager v386

Thu, 27 Jun 2024 00:00:00 +0000

Improvements

Modify HMAC to prevent mismatch error.

Job Manager v403

Thu, 05 Sep 2024 00:00:00 +0000

Improvements

Adds internal improvements.

Job Manager v400

Thu, 08 Aug 2024 00:00:00 +0000

Features

Supports running Firefox.

Fixes

Fixes issues where users were un able to launch SJM as a specific user.

Job Manager v404

Mon, 09 Sep 2024 00:00:00 +0000

Fixes

Fixes private location bug where temporary issues communicating with New Relic would cause the Job Manager to stop processing jobs even after connectivity was restored.

Job Manager v424

Thu, 19 Dec 2024 00:00:00 +0000

Fixes

Fix for the bug introduced in VSE enabled monitors in Private Location in release-418.

Job Manager v418

Tue, 03 Dec 2024 00:00:00 +0000

Features

Synthetics job manager now supports Podman. Use the latest versions of monitor runtimes for maximum compatibility.

Job Manager v428

Mon, 10 Feb 2025 00:00:00 +0000

Fixes

Added logic for deleting screenshot from /tmp folder.

Job Manager v438

Wed, 02 Apr 2025 00:00:00 +0000

Fixes

Updated compression and body size values generated in HAR files.
Vulnerability and bug fixes

Job Manager v443

Wed, 14 May 2025 00:00:00 +0000

Fixes

Vulnerability fixes

Job Manager v439

Thu, 10 Apr 2025 00:00:00 +0000

Fixes

Changed runtime polling frequency from 60 mins to 30 mins. to reduce the impact of faulity runtime releases

Job Manager v444

Wed, 18 Jun 2025 00:00:00 +0000

Fixes

Fixed an issue that prevented certain customers to see results for some monitors with longer execution time.

Job Manager v447

Thu, 26 Jun 2025 00:00:00 +0000

Fixes

Base image upgrade from ubuntu 22.04 to ubuntu 24.4

Security Patches

CVE-2024-12798
CVE-2024-12801

Job Manager v451

Mon, 28 Jul 2025 00:00:00 +0000

Fixes

Fixed vulnerabilities related to common-lang3 Java and Ubuntu to address security issues in the SJM.
Implemented processor queue migration changes related to the migration of our internal service architecture.
Fixed an issue to include full exception details to provide better context for troubleshooting in SJM logs.

Job Manager v452

Thu, 31 Jul 2025 00:00:00 +0000

Improvements

Added internal improvements for exception handling in processing queue messages.

Job Manager v464

Thu, 11 Sep 2025 00:00:00 +0000

Fixes

Customers weren't able to pull images from a custom registry using podman. This issue has been fixed now.

Job Manager v454

Thu, 14 Aug 2025 00:00:00 +0000

Improvements

Fixed the underlying Ubuntu vulnerabilities to address security vulnerabilities in SJM.

Job Manager v463

Thu, 04 Sep 2025 00:00:00 +0000

Improvements

Fixed the CVE-2025-55163 and underlying Ubuntu vulnerabilities to address security vulnerabilities in SJM.

Job Manager v467

Mon, 22 Sep 2025 00:00:00 +0000

Fixes

Fixed CVE-2025-58056,CVE-2025-58057 and the underlying Ubuntu vulnerabilities to address security vulnerabilities in sjm.

Job Manager v471

Tue, 07 Oct 2025 00:00:00 +0000

Improvements

Fixed underlying Ubuntu vulnerabilities to address security vulnerabilities in sjm, below are the CVE's fixed.

CVE-2025-6297
CVE-2025-8058
CVE-2024-10963
CVE-2025-9230

Job Manager v477

Thu, 30 Oct 2025 00:00:00 +0000

Improvements

Fixed underlying Ubuntu vulnerabilities and addressed CVE-2025-5115 security vulnerabilities in SJM.

Job Manager v486

Wed, 12 Nov 2025 00:00:00 +0000

Fixes

Fixed vulnerabilities related to Ubuntu and java to address security issues in the Synthetics Job Manager, below are the java CVE's fixed.
CVE-2024-6763
CVE-2025-11226

Job Manager v493

Fri, 19 Dec 2025 00:00:00 +0000

Fixes

Fixed Docker 29 compatiblity issue caused by minimum API version updated to 1.44
Added data masking for sensitive info to cover failed job results

Job Manager v500

Tue, 10 Feb 2026 00:00:00 +0000

Fixes

Fixed underlying Java vulnerabilities and addressed CVE-2026-1225 security vulnerabilities in SJM.
CVE-2026-1225

Job Manager v494

Thu, 08 Jan 2026 00:00:00 +0000

Fixes

Fixed CVE-2025-67735 vulnerability to address security issues in the Synthetics Job Manager.

Job Manager v499

Fri, 23 Jan 2026 00:00:00 +0000

Fixes

Fixed underlying Ubuntu vulnerabilities and addressed CVE-2025-68973 and CVE-2025-13151 security vulnerabilities in SJM.
CVE-2025-68973
CVE-2025-13151

Job Manager v509

Thu, 19 Feb 2026 00:00:00 +0000

Fixes

Fixed underlying OS vulnerabilities in SJM.

Job Manager v511

Tue, 03 Mar 2026 00:00:00 +0000

Fixes

Fixed underlying OS and Java vulnerabilities in SJM.