Comment 2 for bug 1745123

ElasticSearch doens't log anything itself. There's just this in journalctl -xe

-- Unit elasticsearch.service has begun starting up.
Jan 24 18:34:26 logness systemd[1]: Started Elasticsearch.
-- Subject: Unit elasticsearch.service has finished start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit elasticsearch.service has finished starting up.
--
-- The start-up result is done.
Jan 24 18:34:27 logness kernel: kernel tried to execute NX-protected page - exploit attempt? (uid: 111)
Jan 24 18:34:27 logness kernel: BUG: unable to handle kernel paging request at 00007f8429f767a0
Jan 24 18:34:27 logness kernel: IP: 0x7f8429f767a0
Jan 24 18:34:27 logness kernel: PGD 8000000136028067
Jan 24 18:34:27 logness kernel: P4D 8000000136028067
Jan 24 18:34:27 logness kernel: PUD 139ea5067
Jan 24 18:34:27 logness kernel: PMD 139f07067
Jan 24 18:34:27 logness kernel: PTE 8000000109a6f867
Jan 24 18:34:27 logness kernel:
Jan 24 18:34:27 logness kernel: Oops: 0011 [#9] SMP PTI
Jan 24 18:34:27 logness kernel: Modules linked in: ppdev snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep input_leds snd_pcm joydev serio_raw snd_timer snd i2c_piix4 soundcore
Jan 24 18:34:27 logness kernel: linear hid_generic usbhid hid qxl ttm drm_kms_helper syscopyarea sysfillrect psmouse virtio_blk virtio_net sysimgblt fb_sys_fops drm pata_acpi floppy
Jan 24 18:34:27 logness kernel: CPU: 0 PID: 2305 Comm: java Tainted: G D 4.13.0-31-generic #34~16.04.1-Ubuntu
Jan 24 18:34:27 logness kernel: Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014
Jan 24 18:34:27 logness kernel: task: ffff984ff604d800 task.stack: ffffac7b41dfc000
Jan 24 18:34:27 logness kernel: RIP: 0010:0x7f8429f767a0
Jan 24 18:34:27 logness kernel: RSP: 0018:ffffac7b41dfff50 EFLAGS: 00010202
Jan 24 18:34:27 logness kernel: RAX: 00000000000003e7 RBX: 0000000000000000 RCX: 00007f84298884d9
Jan 24 18:34:27 logness kernel: RDX: 00007f8429f76f50 RSI: 00007f8429f77030 RDI: 0000000000000000
Jan 24 18:34:27 logness kernel: RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000c
Jan 24 18:34:27 logness kernel: R10: 00007f8429f767a0 R11: ffff984ff604d800 R12: 0000000000000000
Jan 24 18:34:27 logness kernel: R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Jan 24 18:34:27 logness kernel: FS: 00007f8429f78700(0000) GS:ffff984fffc00000(0000) knlGS:0000000000000000
Jan 24 18:34:27 logness kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jan 24 18:34:27 logness kernel: CR2: 00007f8429f767a0 CR3: 0000000136022000 CR4: 00000000000006f0
Jan 24 18:34:27 logness kernel: Call Trace:
Jan 24 18:34:27 logness kernel: ? entry_SYSCALL_64_fastpath+0x33/0xa3
Jan 24 18:34:27 logness kernel: Code: Bad RIP value.
Jan 24 18:34:27 logness kernel: RIP: 0x7f8429f767a0 RSP: ffffac7b41dfff50
Jan 24 18:34:27 logness kernel: CR2: 00007f8429f767a0
Jan 24 18:34:27 logness kernel: ---[ end trace 2b5dfc9417bb8d5f ]---