Lukasz Wiechec lwiechec

#System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

##Basic Steps

User cases (description of sequences of events that, taken together, lead to a system doing something useful)
- Who is going to use it?
- How are they going to use it?

	(defmaven 'sample/csd-publisher "1.0-SNAPSHOT"

	:model-version "4.0.0"
	:parent [ 'sample/pom :version "LATEST" ]
	:packaging "jar"
	:name "Simple CSD Publisher webapp"
	:url "http://goo.com/csd-publisher-web"

	:properties {
	:project.build.sourceEncoding "UTF-8"

	1) Error : NCIA.CCIF.CSDQuery.ClientServiceLibrary.CSDQueryHelperTest.GetCapabilitiesTest
	System.ServiceModel.EndpointNotFoundException : There was no endpoint listening at http://csd-query-service.docker-cdte.
	nu.majiic2/CSDQueryService that could accept the message. This is often caused by an incorrect address or SOAP action. S
	ee InnerException, if present, for more details.
	----> System.Net.WebException : The remote name could not be resolved: 'csd-query-service.docker-cdte.nu.majiic2'

	Server stack trace:
	at System.ServiceModel.Channels.HttpOutput.WebRequestHttpOutput.GetOutputStream()
	at System.ServiceModel.Channels.HttpOutput.Send(TimeSpan timeout)
	at System.ServiceModel.Channels.HttpChannelFactory`1.HttpRequestChannel.HttpChannelRequest.SendRequest(Message messag

	luke@luke-new-laptop:~/fun/blackberry/wget-1.19$ sh bb10_compile
	make all-recursive
	make[1]: Entering directory '/home/luke/fun/blackberry/wget-1.19'
	Making all in lib
	make[2]: Entering directory '/home/luke/fun/blackberry/wget-1.19/lib'
	make all-recursive
	make[3]: Entering directory '/home/luke/fun/blackberry/wget-1.19/lib'
	make[4]: Entering directory '/home/luke/fun/blackberry/wget-1.19/lib'
	CC base32.o
	CC binary-io.o

	Debugger entered--Lisp error: (error "The connected server(s) does not support method textDocument/documentHighlight\nTo find out what capabilities support your server use ‘M-x lsp-describe-session’ and expand the capabilities section.")
	signal(error ("The connected server(s) does not support method textDocument/documentHighlight\nTo find out what capabilities support your server use ‘M-x lsp-describe-session’ and expand the capabilities section."))
	error("The connected server(s) does not support method %s\nTo find out what capabilities support your server use `M-x lsp-describe-session' and expand the capabilities section." "textDocument/documentHighlight")
	lsp--send-request-async((:jsonrpc "2.0" :method "textDocument/documentHighlight" :params (:textDocument (:uri "file:///home/luke/work/projects/bruc-testcases/src/test/java/int_/nato/ncia/majiic/testing/testng/cucumber/UTPasswordCallbackHandler.java") :position (:line 0 :character 0))) lsp--document-highlight-callback tick nil nil :highlights)
	lsp-r

	!SESSION 2020-11-20 11:05:57.657 -----------------------------------------------
	eclipse.buildId=unknown
	java.version=1.8.0_202
	java.vendor=Oracle Corporation
	BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US
	Command-line arguments: -data /home/luke/.emacs.d/workspace/

	This is a continuation of log file /home/luke/dotfiles/etc/emacs.d/workspace/.metadata/.bak_0.log
	Created Time: 2020-11-20 11:06:00.906

	<!DOCTYPE html>
	<html>
	<head>
	<title>Cucumber Feature Report</title>
	<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/3.4.1/css/bootstrap.min.css" >
	<style type="text/css">
	.panel-heading {
	padding: 0;
	}

	Directory._config_load()
	load_config(/var/www/acme2certifier/./acme_srv/acme_srv.cfg:Directory)
	CAhandler._config_load() ended
	192.168.252.148 /
	Directory.directory_get()
	[pid: 18\|app: 0\|req: 6/13] 192.168.252.148 () {32 vars in 396 bytes} [Fri Sep 10 23:54:47 2021] GET / => generated 610 bytes in 0 msecs (HTTP/1.1 200) 1 headers in 51 bytes (1 switches on core 0)
	Nonce.nonce_generate_and_add()
	Nonce.nonce__new()
	got nonce: 99cd7247dd2d4488abd3ef7198bb19f3
	DBStore.nonce_add(99cd7247dd2d4488abd3ef7198bb19f3)