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Friday, February 13, 2015

Creating a sequence diagram from a stack trace

Install AmaterasUML:
- download AmaterasUML from http://amateras.sourceforge.jp/cgi-bin/fswiki_en/wiki.cgi?page=AmaterasUML
- unzip AmaterasUML_1.3.4.zip
- copy the three jars to eclipse plugin folder, e.g. D:\App\eclipse-jee-luna-R-win32-x86_64\eclipse\plugins
- install Graphical Editing Framework eclipse plugin. It was already installed in mine, maybe through a dependency on BPMN2 Modeler or something else.
- restart eclipse
Get the stack trace
- in Eclipse put a breakpoint in some method you want to analyze via sequence diagram
- start debug 
- in the debug view right-click the Daemon Thread and click Copy Stack
- paste into text editor
Fix up stack trace
- remove unwanted lines including lines that end with "line: 1" or start with "Daemon Thread" or "owns:" leaving only the lines that start with entities to be added to the sequence diagram
- save the file e.g. D:\work\AmaterasPrepWork\MyStackTrace.txt
- create a second text file and paste into it the following awk script:
{
str = $0;\
sub(/^\t/, "", str);\
sub(/\(.*\./,".",str);\
sub(/\$.*\./,".",str);\
match(str, /(.*)\./, arr);\
sub(/^/, "at ", str);\
#print str;\
sub(/\([^\)]*\)/, "(", str);\
sub(/ line: /, arr[1]".java:", str);\
sub(/$/, ")", str);\
sub(/\t\)$/, ")", str);\
print str}
- save the file as e.g. D:\work\AmaterasPrepWork\AmaterasPrepProg.txt
- download gawk and run file e.g. gawk-3.1.6-1-setup.exe
- open a command prompt and cd to e.g. D:\work\AmaterasPrepWork
- execute the following commands:
D:\AmaterasPrepWork>set path=%path%;D:\Program Files (x86)\GnuWin32\bin
D:\AmaterasPrepWork>echo awk -f AmaterasPrepProg.txt MyStackTrace.txt ^> out.txt > run.bat
D:\AmaterasPrepWork>run.bat
Make sequence diagram in eclipse
- Do Window, Show View, AmaterasUML, Stack Trace Sample, OK
- paste the contents of D:\AmaterasPrepWork\out.txt into the window
- click the 'i' (image of lower case 'i') button in upper right-hand corner of the Stack Trace Sample view
- select a folder in your project as the destination of new sequence
- refresh the folder in eclipse
- open sequence.sqd
- do finishing touches. It appears e.g. that some entities weren't added and need to be added?? will check on this...
- save the file as MySequence.sqd or save sequence.sqd and refactor to another name because AmaterasUML uses sequence.sqd as the target file name evidently.


ref:

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