5 Reasons Why Maven Sux JavaOne CommunityOne 2008 http://www.carlossanchez.eu/

3. #1 Losing control

4. <project> <modelVersion> 4.0.0 </modelVersion> <groupId> org.acme </groupId> <artifactId> acmeapp </artifactId> <version> 1.0-SNAPSHOT </version> <dependencies> <dependency> <groupId> org.hibernate </groupId> <artifactId> hibernate </artifactId> <version> 3.2.6.ga </version> </dependency> <dependency> <groupId> junit </groupId> <artifactId> junit </artifactId> <version> 3.8.1 </version> <scope> test </scope> </dependency> </dependencies> </project>

5. section .text global _start ;must be declared for linker (ld) _start: ;tell linker entry point mov edx,len ;message length mov ecx,msg ;message to write mov ebx,1 ;file descriptor (stdout) mov eax,4 ;system call number (sys_write) int 0x80 ;call kernel mov eax,1 ;system call number (sys_exit) int 0x80 ;call kernel section .data msg db 'Hello, world!',0xa ;our dear string len equ $ - msg ;length of our dear string

6. #2 Repository madness

7. <project> <modelVersion> 4.0.0 </modelVersion> <groupId> org.acme </groupId> <artifactId> acmeapp </artifactId> <version> 1.0-SNAPSHOT </version> <dependencies> <dependency> <groupId> org.hibernate </groupId> <artifactId> hibernate </artifactId> <version> 3.2.6.ga 3.2.7 </version> </dependency> <dependency> <groupId> junit </groupId> <artifactId> junit </artifactId> <version> 3.8.1 </version> <scope> test </scope> </dependency> </dependencies> </project>

9. myproject/lib hibernate.jar myotherproject/lib hibernate.jar

10. upgrading is so easy

11. productivity!

12. Oh, you forgot ASM or CGLIB or

13. #3 Snapshot downloads

14. <project> <modelVersion> 4.0.0 </modelVersion> <groupId> org.acme </groupId> <artifactId> acmeapp </artifactId> <version> 1.0-SNAPSHOT </version> <dependencies> <dependency> <groupId> org.acme </groupId> <artifactId> mylib </artifactId> <version> 1.0-SNAPSHOT </version> </dependency> </dependencies> </project>

15. Build mylib.jar

16. Send mylib.jar by email

17. Receive mylib.jar

18. Copy mylib.jar to myproject/lib

19. Copy mylib.jar to myotherproject/lib

20. Fix a bug ... shit happens

21. Build mylib.jar ... don't use versions, waste of time

22. Send mylib.jar by email

23. Receive mylib.jar

24. Copy mylib.jar to myproject/lib

26. you screwed mylib myotherproject doesn't work

27. #4 Reports

28. mvn checkstyle:checkstyle

29. New things to worry about

30. Real men write perfect code

31. any resemblance to existing persons is based on experience

33. Credits Matrix code : David Asch That was easy! : spackletoe Caution: Ice Fall Hazard : Jeff Wilcox Smiling Girl : Dey Gay Pride : Boss Tweed Magic! : Kaptain Kobold