Mamp Pro 4: Apache won't start

Question

I used Mamp Pro 4 for a while with no problem on my Mac (Os X 10.11), then, suddenly, Apache won't start. I got an error: "Check the log" but log is empty.

I have made several test:

reinstalled Mamp Pro 4 (4.0.6);
rebuild permissions using utility disk and Onyx
update Mac os X El Captain to Sierra;
started Apache/MySql as "www" or as "user"

Note:

1) starting system Apache it works
2) using MAMP (not pro) Apache works fine.

Any other suggestions ? Thanks

Updated to MAMP PRO 4.1, still not works. – Uncoke Jan 10 '17 at 07:56 — Uncoke, Jan 10 '17 at 07:56

score 13 · Accepted Answer · answered Jan 10 '17 at 09:07

13

Fixed!! The issue was in SSL. For some reasons it stopped to works. No logs and no warning occurred: just an empty log. I deleted the SSL and created a new certificate. Now Apache works fine as well.

answered Jan 10 '17 at 09:07

Uncoke

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Very interestingly solved the issue. Anyone understands why this solves it? – Iceman Jun 07 '17 at 14:11
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Thanks man, you save me a whole day to search this into my Kernel installation. – Martin Tonev Sep 01 '17 at 10:22
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Lifesaver! I had deleted my 'self signed SSL' folder in a clean up. Reinstating it fixed the issue. – vaughanos Jan 15 '19 at 02:59
I just hate that MAMP don't have any logs or anything showing anywhere that this was the issue. Just wasted hours on multiple days until seeing this. Saved the day. Thanks a lot... – Mehmet Fatih Yıldız Feb 04 '22 at 16:57

score 3 · Answer 2 · answered Jan 06 '17 at 09:39

3

Have you tried to force-quit apache? I got this issue sometimes as well and using the terminal-commands sudo killall httpd and sudo killall mysqld fixed this issue.

Sometimes I have to repeat the commands a few times.

answered Jan 06 '17 at 09:39

Franky W.

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Thanks but... nothing. httpd is not running. – Uncoke Jan 10 '17 at 07:57

score 3 · Answer 3 · answered Nov 02 '17 at 18:51

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Upgraded to mamp pro 4.2.1. Now apache won't start. followed directions here: https://appsolute.zendesk.com/hc/en-us/articles/215197286 Nothing in activity monitor. Nothing in log file.

Resolved by deleting hosts in mamp pro, where the document root had been deleted.

If you are seeing a red circle-arrow next to the Hosts link in the upper left, find the hosts that are not resolving properly to a document root, then fix them or delete them. That resolved it.

answered Nov 02 '17 at 18:51

Marc Simpson

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This was the answer for me. I'd removed some old projects which invalidated some of the hosts in MAMP. No error marker is shown next to the problematic hosts which is incredibly unhelpful if you have a lot of them set up. – foamcow May 30 '19 at 09:39
In MAMP 6, one host was red and that caused Apache to fail silently. Thanks. https://documentation.mamp.info/en/MAMP-PRO-Mac/FAQ/Apache/Apache-will-not-start/ – EpicVoyage Jun 16 '21 at 14:58

Mamp Pro 4: Apache won't start

3 Answers3