# Index of exceptions

B
Bad_header_field [Nethttp] | Raised when a header field cannot be parsed.
Bad_state [Netpop] |
Buffer_underrun [Netchannels] | Raised by input methods if the internal buffer of the channel is too empty to read even one byte of data.
Byte_order_mark [Netconversion] | Raised when it is tried to get the code point of the BOM at the beginning of the string
C
Cannot_represent [Netconversion] | Raised when a certain Unicode code point cannot be represented in the selected output encoding
Closed_channel [Netchannels] | Raised when channel operations are called when the channel is closed
Command_failure [Netchannels] | Raised by `close_in` or `close_out` if the channel is connected with another process, and the execution of that process fails.
Cursor_out_of_range [Netconversion] | Raised when it is tried to move the cursor beyond the beginning of the string or beyond the end of the string.
E
End_of_string [Netconversion] | Raised when it is tried to access the character after the end of the string (at position `n_max`)
Err_status [Netpop] |
Error [Netulex.Ulexing] | Lexical error
F
FCGI_error [Netcgi_fcgi_10] |
I
Immutable [Netmime] | Raised if it is tried to modify a read-only value.
L
Line_too_long [Mimestring] | Raised when the hard limit of the line length is exceeded
M
Malformed_URL [Neturl] | Raised by a number of functions when encountering a badly formed URL.
Malformed_code [Netconversion] | Raised when an illegal byte sequence is found
Malformed_code_at [Netconversion] | An illegal byte sequence is found at this byte position
P
Parse_error [Netaddress] | A parsing error.
Partial_character [Netconversion] | Raised when the last character of the string is an incomplete multi-byte character, and it is tried to get the code point (using `uchar_at`).
Protocol_error [Netpop] |
R
Recv_queue_empty [Nethttpd_kernel] |
Redirect_request [Nethttpd_types] | The "early" redirect is only allowed in stage 1 of HTTP processing.
Redirect_response [Nethttpd_types] | The "late" redirect is only allowed in stage 3 of HTTP processing.
Resources_exceeded [Netcgi_types] | Raised when the CGI input is longer than the configured maximum
S
Send_queue_empty [Nethttpd_kernel] |
Server_is_down [Netcgi_jserv] | The AJP server is not connected with the web server
Signal_restart [Netcgi_jserv] | The web server signals to restart the AJP server
Signal_shutdown [Netcgi_jserv] | The web server signals to shut down the AJP server
Standard_response [Nethttpd_types] | Some HTTP containers allow you to raise this exception.
Std_environment_not_found [Netcgi_env] | Indicates that the process environment does not contain the variables that are typical of CGI