[JIRA] [core] (JENKINS-10442) RestartNotSupportedException when trying to do safeRestart

Fri, 21 Nov 2014 15:00:18 -0800

I believe I figured this out.

After experiencing this problem on a CentOS 6.5 VM, I decided to start the Jenkins server interactively (eg., java -jar jenkins.war ... )

I saw a very curious warning:

Nov 21, 2014 10:46:51 PM jenkins.diagnosis.HsErrPidList <init>
WARNING: Failed to list up hs_err_pid files
java.lang.UnsatisfiedLinkError: /tmp/jna/jna4408307760862063272.tmp: /tmp/jna/jna4408307760862063272.tmp: failed to map segment from shared object: Operation not permitted


This reminded me of a very similar problem on CentOS 6.5 with ruby-build that I documented @ https://github.com/sstephenson/ruby-build/issues/604#issuecomment-54310466



The cause seems to be when $TMPDIR is mounted as noexec.  Just re-mount your temp dir and tmpfs as executable:





$ mount
/dev/mapper/vglocal20140828-root00 on / type ext4 (rw)
proc on /proc type proc (rw)
sysfs on /sys type sysfs (rw)
devpts on /dev/pts type devpts (rw,gid=5,mode=620)
tmpfs on /dev/shm type tmpfs (rw,noexec,nosuid,nodev)
/dev/sda1 on /boot type ext3 (rw)
/dev/mapper/vglocal20140828-tmp00 on /tmp type ext4 (rw,noexec,nosuid,nodev)
/dev/mapper/vglocal20140828-log00 on /var/log type ext4 (rw)
none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)





I was able to resolve by removing the noexec option from /tmp and tmpfs and re-mounting both:





$ cp /etc/fstab /tmp/~fstab
$ sudo vi /etc/fstab
$ diff /tmp/~fstab /etc/fstab
11c11
< /dev/mapper/vglocal20140828-tmp00 /tmp ext4 defaults,nosuid,nodev,noexec 1 2
---
> /dev/mapper/vglocal20140828-tmp00 /tmp ext4 defaults,nosuid,nodev 1 2
14c14
< tmpfs /dev/shm tmpfs defaults,nosuid,nodev,noexec 0 0
---
> tmpfs /dev/shm tmpfs defaults,nosuid,nodev 0 0
$ sudo mount -o remount /tmp
$ sudo  mount -o remount tmpfs
$ mount
/dev/mapper/vglocal20140828-root00 on / type ext4 (rw)
proc on /proc type proc (rw)
sysfs on /sys type sysfs (rw)
devpts on /dev/pts type devpts (rw,gid=5,mode=620)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
/dev/sda1 on /boot type ext3 (rw)
/dev/mapper/vglocal20140828-tmp00 on /tmp type ext4 (rw,nosuid,nodev)
/dev/mapper/vglocal20140828-log00 on /var/log type ext4 (rw)
none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)
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