| A | |
| Abort [Unixqueue] | 
Event handlers can raise this exception to cancel a group 
 of handlers, events, and resources.
 | 
| Addressing_method_not_supported [Uq_engines] | 
Raised by  client_socket_connectorandserver_socket_acceptorto
 indicate that the passed address is not supported by the class. | 
| Already_installed [Shell_sys] | 
Raised when the job handlers are already installed
 | 
| B | |
| Bad_glob_expr [Netglob] | 
An syntax error in the glob expression; the argument is the bad
      expression
 | 
| Bad_header_field [Nethttp] | 
Raised when a header field cannot be parsed.
 | 
| Bad_message [Http_client] | 
The server sent a message which cannot be interpreted.
 | 
| Bad_state [Netpop] | |
| Break [Netshm] | |
| Broken_communication [Uq_engines] | 
Some engines indicate this error when they cannot continue because the
 other endpoint of communication signals an error.
 | 
| 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 | |
| Cancelled [Uq_engines] | 
The callback function of a  multiplex_controlleris invoked with this
 exception if the operation is cancelled. | 
| Cannot_represent [Rtypes] | 
raised if a conversion can't be done
      (same as  Netnumber.Cannot_represent) | 
| Cannot_represent [Netnumber] | 
raised if a conversion can't be done
 | 
| Cannot_represent [Netconversion] | 
Raised when a certain Unicode code point cannot be represented in
 the selected output encoding
 | 
| Client_is_down [Rpc_client] | 
The RPC call cannot be performed because the client has been shut down
 in the meantime.
 | 
| Closed_channel [Netchannels] | 
Raised when channel operations are called when the channel is closed
 | 
| Closed_channel [Uq_engines] | 
Raised when a method of a closed channel object is called (only channel
 methods count).
 | 
| Cluster_service_unavailable [Rpc_proxy.ManagedSet] | 
Raised by  mset_pickwhen no available endpoint can be found,
        or all available endpoints have reached their maximum load. | 
| Command_failure [Netchannels] | 
Raised by  close_inorclose_outif the channel is connected with
 another process, and the execution of that process fails. | 
| Communication_error [Rpc_client] | 
an I/O error happened
 | 
| Config_error [Netplex_config] | |
| Connection_lost [Rpc_server] | 
raised by the 'reply' function if the connection to the original caller
 has been lost in the meantime.
 | 
| Container_variable_not_found [Netplex_cenv] | 
The variable does not exist
 | 
| Container_variable_type_mismatch [Netplex_cenv] | 
The (dynamically typed) variable has the wrong type
 | 
| Corrupt_file [Netshm] | 
Raised when a violation of the object format is detected
 | 
| 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.
 | 
| D | |
| Deadlock [Netshm] | 
Raised when a deadlock situation was detected.
 | 
| Dest_failure [Xdr] | 
raised if the dest_* function are applied to non-matching xdr_value
 | 
| E | |
| Empty [Netmcore_queue] | 
Raised when the queue is empty and the operation cannot be done
 | 
| Empty [Netcamlbox] | |
| 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 [Rpc_transport] | 
Passed back as  `Error. | 
| Error [Netulex.Ulexing] | 
Lexical error
 | 
| Executable_not_found [Shell_sys] | 
Raised when an executable file cannot be found; the argument is the
  search name
 | 
| Extensions_not_supported [Netmech_scram] | 
Raised by clients when the server enables an unsupported extension.
 | 
| F | |
| FTP_error [Ftp_client] | 
Something went wrong, often on socket level
 | 
| FTP_method_perm_failure [Ftp_client] | |
| FTP_method_temp_failure [Ftp_client] | |
| FTP_method_unexpected_reply [Ftp_client] | 
These exceptions may be raised during execution by the FTP method.
 | 
| FTP_protocol_violation [Ftp_client] | 
The server violates the FTP specification
 | 
| FTP_timeout [Ftp_client] | 
A timeout on the control or data connection (this is a fatal error)
 | 
| Fatal_error [Shell_sys] | 
An error is fatal if it is not possible to recover from it in a
 predictable manner.
 | 
| H | |
| HTTP [Netcgi_common] | 
Exception raised by various functions of this library to return
      to the user agent an appropriate error page with the specified
      http-status (this exception must be caught by the connector and
      a default answer sent).
 | 
| Host_not_found [Uq_resolver] | 
This host cannot be resolved
 | 
| Http_error [Http_client] | 
Deprecated.
 | 
| Http_protocol [Http_client] | 
The request could not be processed because the exception condition 
 was raised.
 | 
| I | |
| Immutable [Netmime] | 
Raised if it is tried to modify a read-only value.
 | 
| Integrity_error [Netmech_scram.Cryptosystem] | |
| Invalid_encoding [Netmech_scram] | 
Raised by clients when something cannot be decoded.
 | 
| Invalid_server_signature [Netmech_scram] | 
Raised by clients when the signature sent by the server is invalid
      (i.e.
 | 
| Invalid_username_encoding [Netmech_scram] | 
Raised by clients when the username does not match the requirements.
 | 
| K | |
| Keep_call [Rpc_client] | 
This exception can be raised by the callback function that is invoked
 when the server response arrives.
 | 
| Key_service_problem [Rpc_key_service] | 
All exceptions (except the exceptions defined above) are wrapped into
  Key_service_problem. | 
| L | |
| Late_drop [Rpc_server] | 
This can be raised in encryption/decryption functions to prevent
      that a response is sent.
 | 
| Line_too_long [Mimestring] | 
Raised when the hard limit of the line length is exceeded
 | 
| Line_too_long [Uq_io] | 
May be raised by  Uq_io.input_line_e | 
| 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
 | 
| Mem_not_supported [Uq_engines] | 
May be raised by multiplex controller methods  start_mem_readingandstart_mem_writingif these methods are not supported for the kind
      of file descriptor | 
| Message_lost [Rpc_client] | 
got EOF when some pending procedure calls were not replied or even sent
 | 
| Message_timeout [Rpc_client] | 
After all retransmissions, there was still no reply
 | 
| Message_too_big [Netcamlbox] | |
| N | |
| Name_resolution_error [Http_client] | 
Could not resolve this name - same as  Uq_engines.Host_not_found | 
| Netname_unknown [Rpc_key_service] | 
The netname is invalid
 | 
| Next [Netshm] | |
| No_Unix_process_group [Shell_sys] | 
Raised by functions referring to Unix process groups when the
 job has not been started in its own process group.
 | 
| No_reply [Http_client] | 
There was no response to the request because some other request failed
 earlier and it was not allowed to send the request again.
 | 
| No_resource [Netmcore] | 
No such resource, or no resource of the expected type
 | 
| No_secret_key [Rpc_key_service] | 
The user does not have a secret key for the netname
 | 
| Not_implemented [Netcgi1_compat] | 
Raised by some functions/exceptions when a feature of the old model
 cannot be implemented in the new model or vice versa
 | 
| Not_in_container_thread [Netplex_cenv] | 
Raised when the caller's thread is not a container thread
 | 
| O | |
| Out_of_handlers [Equeue] | 
Raised by  runwhen the event source adds new events to the queue
 but there are no event handlers to process them | 
| Out_of_pool_memory [Netmcore_mempool] | |
| Out_of_range [Rtypes] | 
raised if string position out of range
      (same as  Netnumber.Out_of_range) | 
| Out_of_range [Netnumber] | 
raised if string position out of range
 | 
| Out_of_space [Netsys_mem] | |
| Oversized [Netcgi.Argument] | |
| Oversized [Netcgi_common] | |
| 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). | 
| Permanent_error [Netsmtp] | |
| Protocol_error [Netsmtp] | |
| Protocol_error [Netpop] | |
| Protocol_error [Netmech_scram] | 
Raised by clients when the server violates the protocol.
 | 
| Proxy_error [Http_client] | 
An error status from a proxy.
 | 
| 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.
 | 
| Reject [Equeue] | 
May be raised by event handlers to reject events
 | 
| Response_dropped [Rpc_client] | 
Drop reason: The response exceeded the configured maximum message size
 | 
| Response_too_large [Http_client] | 
The length of the response exceeds the configured maximum
 | 
| Rpc_cannot_unpack [Rpc] | 
RPC protocol error (bad data)
 | 
| Rpc_server [Rpc] | 
an exception generated by the RPC server
 | 
| S | |
| Send_queue_empty [Nethttpd_kernel] | |
| Server_error [Netmech_scram] | 
Raised by clients when the server sent an error code
 | 
| Service_unavailable [Rpc_proxy.ManagedClient] | 
Procedure calls may end with this exception when the reliability
        cache disables the service
 | 
| Sharedvar_no_permission [Netplex_sharedvar] | 
It is not allowed to set the value
 | 
| Sharedvar_not_found [Netplex_sharedvar] | 
The variable does not exist.
 | 
| Sharedvar_null [Netplex_sharedvar] | 
The initial value of a shared exception variable
 | 
| Sharedvar_type_mismatch [Netplex_sharedvar] | 
The (dynamically typed) variable has the wrong type (string/exn)
 | 
| Shutdown_not_supported [Netsys] | 
See  gshutdown | 
| Socks_error [Uq_socks5] | 
Raised when error messages of the SOCKS proxy are received, or
 because of other SOCKS-related problems.
 | 
| Ssl_error [Uq_ssl] | 
Used in  when_donecallbacks to indicate an SSL-specific error code | 
| Standard_response [Nethttpd_types] | 
Some HTTP containers allow you to raise this exception.
 | 
| Subprocess_error [Shell] | 
The string contains the called commands in a readable representation.
 | 
| T | |
| Telnet_protocol [Telnet_client] | 
Wrapper for exceptions that already passed the exception handler.
 | 
| Terminate [Equeue] | 
May be raised by event handlers to accept events while terminating
 themselves
 | 
| Time_not_available [Rpc_time] | |
| Timeout [Http_client] | 
A timeout.
 | 
| Timeout [Uq_engines] | 
Used by  input_engineandoutput_engineto indicate timeouts | 
| Too_many_arguments [Netcgi_common] | 
Hit the limit  max_arguments | 
| Too_many_descriptors [Netsys_pollset_win32] | |
| Too_many_redirections [Http_client] | 
While following redirections the limit has been reached
 | 
| Transient_error [Netsmtp] | |
| Type_mismatch [Netplex_encap] | 
Raised when an encapulated type is tried to be unwrapped by the
      wrong encapsulation module
 | 
| U | |
| URL_syntax_error [Http_client] | 
This URL cannot be parsed after a redirection has been followed.
 | 
| Unbound_exception [Rpc_client] | 
This exception can be raised by the callback function that is invoked
 when the server response arrives.
 | 
| Unsupported_expr [Netglob] | 
The notations  :class:,.symbol.,=eqclass=inside...are
 not supported by this implementation. | 
| W | |
| Watchdog_timeout [Uq_engines] | 
Used by the watchdog engine to indicate a timeout.
 | 
| X | |
| Xdr_failure [Xdr] | 
Usually a problem during packing
 | 
| Xdr_format [Xdr] | 
Format error found during unpacking a string
 | 
| Xdr_format_message_too_long [Xdr] | 
The message is too long and cannot be packed into a string
 |