APM & OpenTelemetry

Java APM, or bring your OpenTelemetry.

Build the reference wrapper from this repository, or point an auto-instrumented Spring Boot service's OTLP exporter at RootTrace. No Maven artifact is currently published.

What RootTrace watches

Every reading is checked continuously; bad readings become grouped issues with the evidence attached. RootTrace also remembers whether it has seen the same incident before.

Endpoint percentilesp50/p95/p99 latency and throughput per endpoint.
Grouped errorsExceptions grouped across requests with counts and stack context.
Traces & spansRequest waterfalls with dependency timing.
OTLP ingestAuto-instrumented Spring Boot supported via OTLP/JSON over HTTP.

Warn and fail thresholds, prefilled

Sensible defaults out of the box, overridable per host with environment variables. No threshold spreadsheet required on day one.

Latency and error-rate anomalies open issues automatically

Setup

java apm setup

# No Maven artifact is published. Build apm/java from this repository,
# or, with OpenTelemetry auto-instrumentation:
$ OTEL_EXPORTER_OTLP_PROTOCOL=http/json

Outbound HTTPS only: the wrapper aggregates in memory and posts to the API; nothing listens on your hosts and nothing touches production.

The Java wrapper is a source-only reference implementation; use OTLP/JSON for the supported package-manager path.

Questions, answered honestly

Do I have to change my code for OTLP?

No. An auto-instrumented JVM only needs exporter environment variables pointed at the RootTrace endpoint with a collector key.

Is this safe to run next to production?

The collector is read-only by architecture, not by policy: there is no write path, no remediation executor, and no privileged mode to switch on. It sends short-lived outbound HTTPS requests, opens no inbound ports, and redacts credential-like evidence before anything leaves the host.

Do I need a separate agent for this?

No. One RootTrace collector per host covers every integration on this site: databases, web servers, containers, endpoints, and the Linux host itself, all from one signed package or container. You point it at targets with environment variables; there is nothing else to deploy.

Free on 5 hosts. Live in minutes.

Create a workspace, install one collector, and watch issues explain themselves.

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