Routes Throwing 500 in API, fixed after cycling about clout HOT 3 CLOSED

Given that this error occurred with a Ring class as well, it's almost certainly nothing to do with Clout directly.

However, I'm afraid I can't offer you much insight. This is the first time I've seen an error like this, in Ring or any other Clojure application.

I do have a few questions:

How are you running the application? What's your JVM version? Your OS version? Your Clojure version? Do you have enough memory/disk space? Are you running this on a VM? How long is "some time"? Are you expecting your app to take up 1G of memory?

from clout.

Hi James,

How are you running the application?

As a war in a Jetty 9 container. jetty-distribution-9.0.4.v20130625

What's your JVM version?

java version "1.7.0_15"

Your OS version?

$ uname -a
Linux host 2.6.32-22-pve #1 SMP Mon Jul 15 08:36:46 CEST 2013 x86_64 x86_64 x86_64 GNU/Linux

$ cat /etc/redhat-release
CentOS release 6.4 (Final)

Your Clojure version?

[org.clojure/clojure "1.5.1"]

Do you have enough memory/disk space?

Im not sure, let me check.

Are you running this on a VM?

Yes

How long is "some time"?

I think it was live for 3 or 4 weeks without cycling

Are you expecting your app to take up 1G of memory?

Yes, up to 3 or 4 Gigs in fact. Is there an issue doing that?

from clout.

This is a typical system footprint

$ free -m
total used free shared buffers cached
Mem: 8192 2865 5326 0 0 553
-/+ buffers/cache: 2311 5880
Swap: 0 0 0

$ top
top - 07:25:08 up 35 days, 19:38, 1 user, load average: 0.77, 1.15, 0.55
Tasks: 16 total, 1 running, 15 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 8388608k total, 2932992k used, 5455616k free, 0k buffers
Swap: 0k total, 0k used, 0k free, 566884k cached

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
10012 www-data 20 0 7715m 2.2g 11m S 0.3 27.3 9:57.12 java
396 root 20 0 185m 5452 784 S 0.0 0.1 0:03.74 rsyslogd
30085 root 20 0 93748 3796 2900 S 0.0 0.0 0:00.00 sshd
18749 postfix 20 0 78880 3332 2500 S 0.0 0.0 0:00.50 qmgr
18746 root 20 0 78732 3300 2448 S 0.0 0.0 0:04.70 master
27334 postfix 20 0 78812 3264 2440 S 0.0 0.0 0:00.00 pickup
30088 dwilliam 20 0 105m 1932 1552 S 0.0 0.0 0:00.07 bash
30087 dwilliam 20 0 93748 1724 808 S 0.0 0.0 0:00.11 sshd
1 root 20 0 19232 1476 1212 S 0.0 0.0 0:12.17 init
421 nagios 20 0 40980 1308 724 S 0.0 0.0 2:51.89 nrpe
30720 dwilliam 20 0 14896 1228 1012 R 0.0 0.0 0:00.05 top
414 root 20 0 64120 1188 516 S 0.0 0.0 0:04.23 sshd
503 root 20 0 20372 1000 640 S 0.0 0.0 0:07.29 crond
97 root 16 -4 10640 400 288 S 0.0 0.0 0:00.00 udevd
2 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kthreadd/619
3 root 20 0 0 0 0 S 0.0 0.0 0:00.00 khelper/619

from clout.