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Go Standard Library Errors

Go 1.22+35 codes

Sentinel errors from os, io, net, http, context, sql and runtime panics

Showing 35 of 35 errors

Code	Message	Severity	Tier
os.ErrNotExist	no such file or directory	ERROR	Common	→
os.ErrPermission	permission denied	ERROR	Common	→
os.ErrExist	file already exists	ERROR	Notable	→
os.ErrClosed	file already closed	ERROR	Notable	→
os.ErrDeadlineExceeded	i/o timeout	ERROR	Notable	→
io.EOF	EOF	INFO	Common	→
io.ErrUnexpectedEOF	unexpected EOF	ERROR	Notable	→
io.ErrClosedPipe	io: read/write on closed pipe	ERROR	Notable	→
io.ErrShortBuffer	short buffer	ERROR	Notable	→
io.ErrShortWrite	short write	ERROR	Notable	→
io.ErrNoProgress	multiple Read calls return no data or error	ERROR	Critical	→
net.ErrClosed	use of closed network connection	ERROR	Notable	→
http.ErrServerClosed	http: Server closed	INFO	Common	→
http.ErrNoCookie	http: named cookie not present	ERROR	Common	→
http.ErrNoLocation	http: no Location header in response	ERROR	Common	→
http.ErrBodyReadAfterClose	http: invalid Read on closed Body	ERROR	Notable	→
http.ErrHandlerTimeout	http: Handler timeout	ERROR	Notable	→
http.ErrLineTooLong	header line too long	ERROR	Notable	→
http.ErrAbortHandler	net/http: abort Handler	INFO	Notable	→
http.ErrContentLength	http: wrote more than the declared Content-Length	ERROR	Notable	→
context.Canceled	context canceled	INFO	Common	→
context.DeadlineExceeded	context deadline exceeded	ERROR	Common	→
sql.ErrNoRows	sql: no rows in result set	INFO	Common	→
sql.ErrConnDone	sql: connection is already closed	ERROR	Notable	→
sql.ErrTxDone	sql: transaction has already been committed or rolled back	ERROR	Notable	→
json.SyntaxError	invalid character … looking for …	ERROR	Notable	→
json.UnmarshalTypeError	cannot unmarshal … into Go value of type …	ERROR	Notable	→
json.InvalidUnmarshalError	json: Unmarshal(non-pointer …)	ERROR	Common	→
bufio.ErrBufferFull	bufio: buffer full	ERROR	Notable	→
bufio.ErrTooLong	bufio.Scanner: token too long	ERROR	Notable	→
strconv.ErrRange	value out of range	ERROR	Notable	→
strconv.ErrSyntax	invalid syntax	ERROR	Common	→
runtime panic (nil pointer)	runtime error: invalid memory address or nil pointer dereference	CRITICAL	Common	→
runtime panic (index out of range)	runtime error: index out of range [N] with length M	CRITICAL	Common	→
runtime panic (slice bounds out of range)	runtime error: slice bounds out of range [low:high]	CRITICAL	Common	→