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错误信息 |
错误说明 |
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"upstream prematurely（过早的） closed connection" |
请求uri的时候出现的异常，是由于upstream还未返回应答给用户时用户断掉连接造成的，对系统没有影响，可以忽略 |
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"recv() failed (104: Connection reset by peer)" |
（1）服务器的并发连接数超过了其承载量，服务器会将其中一些连接Down掉； （2）客户关掉了浏览器，而服务器还在给客户端发送数据； （3）浏览器端按了Stop |
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"(111: Connection refused) while connecting to upstream" |
用户在连接时，若遇到后端upstream挂掉或者不通，会收到该错误 |
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"(111: Connection refused) while reading response header from upstream" |
用户在连接成功后读取数据时，若遇到后端upstream挂掉或者不通，会收到该错误 |
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"(111: Connection refused) while sending request to upstream" |
Nginx和upstream连接成功后发送数据时，若遇到后端upstream挂掉或者不通，会收到该错误 |
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"(110: Connection timed out) while connecting to upstream" |
nginx连接后面的upstream时超时 |
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"(110: Connection timed out) while reading upstream" |
nginx读取来自upstream的响应时超时
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"(110: Connection timed out) while reading response header from upstream" |
nginx读取来自upstream的响应头时超时 |
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"(110: Connection timed out) while reading upstream" |
nginx读取来自upstream的响应时超时 |
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"(104: Connection reset by peer) while connecting to upstream" |
upstream发送了RST，将连接重置 |
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"upstream sent invalid header while reading response header from upstream" |
upstream发送的响应头无效 |
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"upstream sent no valid HTTP/1.0 header while reading response header from upstream" |
upstream发送的响应头无效 |
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"client intended to send too large body" |
用于设置允许接受的客户端请求内容的最大值，默认值是1M，client发送的body超过了设置值 |
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"reopening logs" |
用户发送kill -USR1命令 |
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"gracefully shutting down", |
用户发送kill -WINCH命令 |
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"no servers are inside upstream" |
upstream下未配置server |
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"no live upstreams while connecting to upstream" |
upstream下的server全都挂了 |
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"SSL_do_handshake() failed" |
SSL握手失败 |
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"SSL_write() failed (SSL:) while sending to client" |
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"(13: Permission denied) while reading upstream" |
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"(98: Address already in use) while connecting to upstream" |
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"(99: Cannot assign requested address) while connecting to upstream" |
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"ngx_slab_alloc() failed: no memory in SSL session shared cache" |
ssl_session_cache大小不够等原因造成 |
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"could not add new SSL session to the session cache while SSL handshaking" |
ssl_session_cache大小不够等原因造成 |
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"send() failed (111: Connection refused)" |