https://www.hermetiq.com/learn Technical guides for Bazel, Buildbarn, remote cache, remote execution, BEP, and AI build intelligence. en-us Mon, 20 Jul 2026 12:00:00 GMT https://www.hermetiq.com/learn/errors/bazel-remote-execution-deadline-exceededhttps://www.hermetiq.com/learn/errors/bazel-remote-execution-deadline-exceededMon, 20 Jul 2026 12:00:00 GMTSeparate the meaning of the gRPC timeout from the queue, worker, transfer, and execution phases that may have consumed the deadline. https://www.hermetiq.com/learn/errors/bazel-remote-cache-unavailablehttps://www.hermetiq.com/learn/errors/bazel-remote-cache-unavailableMon, 20 Jul 2026 12:00:00 GMTTroubleshoot remote-cache UNAVAILABLE errors across transport, TLS, proxies, overload, and service health. https://www.hermetiq.com/learn/errors/buildbarn-action-stuck-in-queuehttps://www.hermetiq.com/learn/errors/buildbarn-action-stuck-in-queueMon, 20 Jul 2026 12:00:00 GMTCheck action-to-worker platform matching, size classes, worker health, and queue capacity. https://www.hermetiq.com/learn/errors/buildbarn-cas-not-foundhttps://www.hermetiq.com/learn/errors/buildbarn-cas-not-foundMon, 20 Jul 2026 12:00:00 GMTInvestigate missing digests, incomplete uploads, eviction, routing, and storage visibility. https://www.hermetiq.com/learn/errors/bazel-no-matching-toolchainshttps://www.hermetiq.com/learn/errors/bazel-no-matching-toolchainsMon, 20 Jul 2026 12:00:00 GMTDebug registered toolchains, target and execution constraints, and execution-platform selection. https://www.hermetiq.com/learn/errors/bazel-cache-misses-across-machineshttps://www.hermetiq.com/learn/errors/bazel-cache-misses-across-machinesMon, 20 Jul 2026 12:00:00 GMTCompare action inputs, commands, environments, platforms, toolchains, and cache configuration across machines. https://www.hermetiq.com/learn/errors/buildbarn-worker-not-receiving-actionshttps://www.hermetiq.com/learn/errors/buildbarn-worker-not-receiving-actionsMon, 20 Jul 2026 12:00:00 GMTCheck worker registration, scheduler connectivity, platform queues, size classes, and demand. https://www.hermetiq.com/learn/errors/bazel-action-key-changedhttps://www.hermetiq.com/learn/errors/bazel-action-key-changedMon, 20 Jul 2026 12:00:00 GMTCompare key-forming action fields and trace the first meaningful difference back to build configuration. https://www.hermetiq.com/tools/bazel-action-diffhttps://www.hermetiq.com/tools/bazel-action-diffMon, 20 Jul 2026 12:00:00 GMTA client-side JSON comparison tool for narrowing down changed action fields. https://www.hermetiq.com/guides/bazel-performancehttps://www.hermetiq.com/guides/bazel-performanceMon, 20 Jul 2026 12:00:00 GMTMeasure the critical path, repeated work, and remote-execution phases before choosing an optimization. https://www.hermetiq.com/guides/remote-cachehttps://www.hermetiq.com/guides/remote-cacheMon, 20 Jul 2026 12:00:00 GMTMove from an aggregate hit rate to comparable actions, key-forming fields, and a verified cause. https://www.hermetiq.com/guides/buildbarn-rbehttps://www.hermetiq.com/guides/buildbarn-rbeMon, 20 Jul 2026 12:00:00 GMTTrace work through scheduling, platform routing, workers, storage, transfers, and execution.