Why is tomcat crashing?

Question

tomcat

When connecting via ssh, there is an occasional message that the connection was broken:
[[email protected] logs]# Write failed: Broken pipe
For example, in /var/log/messages
Dec 3 09:47:48 alim xinetd[4096]: EXIT: gds_db status= 0 pid=6121 duration=324(sec)
........................................ ................................................. ................................................. ................................................. ...............................................
.... ..............Dec 3 09:51:55 alim kernel: imklog 5.8.10, log source = /proc /kmsg started.
Dec 3 09:51:55 alim rsyslogd: [origin software="rsyslogd" swVersion="5.8.10" x-pid="3610" x-info=" www.rsyslog.com "] start
Dec 3 09:51:55 alim kernel: Initializing cgroup subsys cpuset
Dec 3 09:51:55 alim kernel: Initializing cgroup subsys cpu
Dec 3 09:51:55 alim kernel: Initializing cgroup subsys cpuacct
Dec 3 09:51:55 alim kernel: Linux version 3.10.0-1.el6ml.x86_64 ([email protected]) (gcc version 4.4.7 20120313 (Red Hat 4.4.7-3) (GCC)) #1 SMP Thu Jul 4 16:34:47 MSK 2013
Dec 3 09:51:55 alim kernel: Command line: ro root=UUID=97398289-d919-47f7-8396-4b4153ca03c5 LANG=ru_RU.UTF-8 rd_NO_LUKS rd_NO_LVM rd_NO_MD KEYBOARDTYPE=pc KEYTABLE=us rd_NO_DM rhgb quiet
Dec 3 09 :51:55 alim kernel: e820: BIOS-provided physical RAM map:
In ncore-server.log
12/03/15 09:49:33.686,http-bio-8080-exec-5,INFO,Application,Application shutdown complete
................................................. .............................
In firebird.log
alim Thu Dec 3 09:49:11 2015
Can't delete file" /data/attachment/20151008/45481006920551__160532-XW2ICJjbMn3hS3dEP0V6hF.bin":
OS errno is 2
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