全新安装。 OSX 10.10.5。我找到了几年的帖子，提到了确保127.0.0.1（null）不在/ etc / hosts中的解决方案。没效果。
这是错误的转储：
Process: MAMP [2867]
Path: /Applications/MAMP/MAMP.app/Contents/MacOS/MAMP
Identifier: de.appsolute.MAMP
Version: 3.4 (3.4)
Code Type: X86-64 (Native)
Parent Process: ??? [1]
Responsible: MAMP [2867]
User ID: 962435817
Date/Time: 2015-11-09 11:29:13.754 -0500
OS Version: Mac OS X 10.10.5 (14F1021)
Report Version: 11
Anonymous UUID: C3B21FD3-E569-950C-7452-43A3D5CEDC99
Time Awake Since Boot: 1300 seconds
Crashed Thread: 0 Dispatch queue: com.apple.main-thread
Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000000
VM Regions Near 0:
-->
__TEXT 0000000100000000-0000000100015000 [ 84K] r-x/rwx SM=COW /Applications/MAMP/MAMP.app/Contents/MacOS/MAMP
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 de.appsolute.MAMP 0x0000000100006a6b 0x100000000 + 27243
1 de.appsolute.MAMP 0x0000000100006d7a 0x100000000 + 28026
2 de.appsolute.MAMP 0x0000000100008b84 0x100000000 + 35716
3 de.appsolute.MAMP 0x000000010000313d 0x100000000 + 12605
4 com.apple.CoreFoundation 0x00007fff887be45c