- Software and systems
- HTTP service
102
HTTP 102 Processing: meaning and next diagnostic branch
Risk level
Low
Usually safe to check without specialist tools.
Urgency
Medium
Quick answer
HTTP 102 Processing means: The WebDAV server accepted the complete request but has not yet completed it. It identifies a protocol result, not the failed component. Preserve one request/response pair and discriminate the exact HTTP version, connection hop, Upgrade/Expect fields and whether an intermediary rewrote them.
Safety first
Stop and check this first
- Do not downgrade transport security or disable protocol validation globally to make one request pass.
Safe checks you can perform
- Freeze one complete failing exchange
- Change one variable and repeat once
- Stop before retries hide the first failure
Leave these tasks to a qualified professional
- Do not attempt this professional task: Trace-led handoff for HTTP 102
What a technician must be able to justify
A technician is coming
These are the steps they must carry out and show you. Tick them as they work: if steps are skipped, do not accept a part swap.
These are not instructions for opening or handling the equipment yourself. They are the checks that should support a technical conclusion.
Trace-led handoff for HTTP 102
What they doCorrelate wire-level protocol/version, connection reuse and intermediary transformations at every hop before changing TLS, HTTP/2/3 or proxy configuration.
Before accepting a part or repair
Nothing has been shown yet. Do not accept a part swap based on the code alone.
Checks and evidence, step by step
Follow the documented order. An error code identifies the affected system, but it does not prove by itself which part has failed.
- 1
Freeze one complete failing exchange
No special tools
Procedure
Record HTTP 102, timestamp, method, scheme/host/path without secrets, response headers and body, request ID, client, deployment version and every proxy/CDN/gateway hop. Redact credentials and personal data.
Do not downgrade transport security or disable protocol validation globally to make one request pass.
Evidence: IANA HTTP Status Code Registry · RFC 2518 - HTTP Extensions for Distributed Authoring
- 2
Change one variable and repeat once
No special tools
Procedure
Compare the raw exchange at the client edge and origin once. Keep the same method and payload; change only the protocol/hop under test.
Do not downgrade transport security or disable protocol validation globally to make one request pass.
Evidence: IANA HTTP Status Code Registry · RFC 2518 - HTTP Extensions for Distributed Authoring
- 3
Stop before retries hide the first failure
No special tools
Procedure
A mismatch between hops isolates negotiation or intermediary behavior. Identical behavior at the origin belongs to server protocol support, not DNS or application data.
Do not downgrade transport security or disable protocol validation globally to make one request pass.
Evidence: IANA HTTP Status Code Registry · RFC 2518 - HTTP Extensions for Distributed Authoring
Where this code applies
A code is meaningful only inside the right product and version context.
Primary scope
- System
- Software and systems
- Brand
- HTTP
- Product type
- HTTP service
Known code variants
- 102 Elaborazione
- 102 Procesando
- 102 Processing
- 102 Traitement
- 102 Verarbeitung
- cargador Wallbox 102
- caricatore Wallbox 102
- chargeur Wallbox 102
- code Wallbox 102
- codice Wallbox 102
- código Wallbox 102
- erreur Wallbox 102
- error Wallbox 102
- errore Wallbox 102
- événement Fronius 102
- événement SMA 102
- evento Fronius 102
- evento SMA 102
- Fronius Ereignis 102
- Fronius event 102
- Fronius inverter 102
- Fronius Symo / Eco 102
- Fronius Wechselrichter 102
- HTTP 102
- HTTP status 102
- inversor Fronius 102
- inversor SMA 102
- inverter Fronius 102
- inverter SMA 102
- onduleur Fronius 102
- onduleur SMA 102
- SMA Ereignis 102
- SMA event 102
- SMA inverter 102
- SMA Wechselrichter 102
- Sunny Tripower X 102
- Wallbox app code 102
- Wallbox charger 102
- Wallbox error 102
- Wallbox Fehler 102
- Wallbox Fehlercode 102
- Wallbox Ladegerät 102
What it means
Registered meaning: The WebDAV server accepted the complete request but has not yet completed it. The next decision boundary is the exact HTTP version, connection hop, Upgrade/Expect fields and whether an intermediary rewrote them. Before changing infrastructure or buying support, require: Correlate wire-level protocol/version, connection reuse and intermediary transformations at every hop before changing TLS, HTTP/2/3 or proxy configuration.
Warnings and stop conditions
- Lowsource verified
Do not downgrade transport security or disable protocol validation globally to make one request pass.
Evidence: IANA HTTP Status Code Registry · RFC 2518 - HTTP Extensions for Distributed Authoring
Symptoms and causes
Probable causes · in order
- What the registered HTTP status establishesConfirmed
IANA registers 102 as Processing. The controlling specification establishes: The WebDAV server accepted the complete request but has not yet completed it.
Evidence: IANA HTTP Status Code Registry · RFC 2518 - HTTP Extensions for Distributed Authoring
- The evidence that changes the next branchPossible
Capture the exact HTTP version, connection hop, Upgrade/Expect fields and whether an intermediary rewrote them. A mismatch between hops isolates negotiation or intermediary behavior. Identical behavior at the origin belongs to server protocol support, not DNS or application data.
Evidence: IANA HTTP Status Code Registry · RFC 2518 - HTTP Extensions for Distributed Authoring
Virtual technician
Does 102 still appear after these checks?
Answer a few questions to narrow down the likely cause and the safest next action. Guidance only - it never replaces a professional.
Sources and technical references
- 1
IANA HTTP Status Code Registry
Internet Assigned Numbers Authority · 2025 · standard
- 2
RFC 2518 - HTTP Extensions for Distributed Authoring
IETF / RFC Editor · 1999 · standard
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