1、500 Internal Server Error:服務(wù)器遇到了不知道如何處理的情況。
1. 500 Internal Server Error: the server encountered a situation that it did not know how to handle.
2、501 Not Implemented:此請(qǐng)求方法不被服務(wù)器支持且無(wú)法被處理。只有GET和HEAD是要求服務(wù)器支持的,它們必定不會(huì)返回此錯(cuò)誤代碼。
2. 501 not implemented: this request method is not supported by the server and cannot be processed. Only get and head are supported by the server, and they must not return this error code.
3、502 Bad Gateway:此錯(cuò)誤響應(yīng)表明服務(wù)器作為網(wǎng)關(guān)需要得到一個(gè)處理這個(gè)請(qǐng)求的響應(yīng),但是得到一個(gè)錯(cuò)誤的響應(yīng)。
3. 502 bad gateway: this error response indicates that the server as a gateway needs to get a response to handle this request, but it gets an error response.
4、503 Service Unavailable:服務(wù)器沒(méi)有準(zhǔn)備好處理請(qǐng)求。 常見原因是服務(wù)器因維護(hù)或重載而停機(jī)。
4. 503 service unavailable: the server is not ready to process requests. Common causes are server downtime due to maintenance or heavy load.
6、504 Gateway Timeout:當(dāng)服務(wù)器作為網(wǎng)關(guān),不能及時(shí)得到響應(yīng)時(shí)返回此錯(cuò)誤代碼。

6. 504 gateway timeout: this error code is returned when the server, as a gateway, cannot receive a response in time.
7、505 HTTP Version Not Supported:服務(wù)器不支持請(qǐng)求中所使用的HTTP協(xié)議版本。
7. 505 HTTP version not supported: the server does not support the HTTP protocol version used in the request.
8、506 Variant Also Negotiates:服務(wù)器有一個(gè)內(nèi)部配置錯(cuò)誤:對(duì)請(qǐng)求的透明內(nèi)容協(xié)商導(dǎo)致循環(huán)引用。
8. 506 variant also negotiations: the server has an internal configuration error: transparent content negotiation on the request leads to circular reference.
9、507 Insufficient Storage:服務(wù)器有內(nèi)部配置錯(cuò)誤:所選的變體資源被配置為參與透明內(nèi)容協(xié)商本身,因此不是協(xié)商過(guò)程中的適當(dāng)端點(diǎn)。
9. 507 insufficient storage: the server has an internal configuration error: the selected variant resource is configured to participate in the transparent content negotiation itself, so it is not the appropriate endpoint in the negotiation process.
10、508 Loop Detected (WebDAV (en-US)):服務(wù)器在處理請(qǐng)求時(shí)檢測(cè)到無(wú)限循環(huán)。
10. 508 loop detected (WebDAV (EN US)): the server detected an infinite loop while processing the request.
11、510 Not Extended:客戶端需要對(duì)請(qǐng)求進(jìn)一步擴(kuò)展,服務(wù)器才能實(shí)現(xiàn)它。服務(wù)器會(huì)回復(fù)客戶端發(fā)出擴(kuò)展請(qǐng)求所需的所有信息。
11. 510 not extended: the client needs to further extend the request before the server can implement it. The server replies to all the information the client needs to make an extension request.
12、511 Network Authentication Required:511 狀態(tài)碼指示客戶端需要進(jìn)行身份驗(yàn)證才能獲得網(wǎng)絡(luò)訪問(wèn)權(quán)限
12. 511 network authentication required: the 511 status code indicates that the client needs authentication to obtain network access