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From "Vladimir Melnik (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CLOUDSTACK-8456) The agent on Linux host doesn't restart
Date Tue, 12 May 2015 14:51:01 GMT

     [ https://issues.apache.org/jira/browse/CLOUDSTACK-8456?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vladimir Melnik updated CLOUDSTACK-8456:
----------------------------------------
    Description: 
The agent doesn't restart. :(

Here is what's going on.

When it starts for the first time it creates /var/named/agent.pid file, but there are no numbers,
the file has zero length.

When I restart it (e.g. by "service cloudstack-agent restart" command), it's being shut down,
but file isn't being removed. So it can't start again, here is what I see in /var/log/cloudstack/agent/cloudstack-agent.out
file:
{code}
2015-05-12 17:04:37,504{GMT} INFO  [cloud.agent.AgentShell] (Thread-1:) Agent started
2015-05-12 17:04:37,506{GMT} INFO  [cloud.agent.AgentShell] (Thread-1:) Implementation Version
is 4.2.1
2015-05-12 17:04:37,507{GMT} INFO  [cloud.agent.AgentShell] (Thread-1:) agent.properties found
at /etc/cloudstack/agent/agent.properties
2015-05-12 17:04:37,508{GMT} INFO  [cloud.agent.AgentShell] (Thread-1:) Defaulting to using
properties file for storage
2015-05-12 17:04:37,509{GMT} INFO  [cloud.agent.AgentShell] (Thread-1:) Defaulting to the
constant time backoff algorithm
2015-05-12 17:04:37,510{GMT} INFO  [cloud.utils.LogUtils] (Thread-1:) log4j configuration
found at /etc/cloudstack/agent/log4j-cloud.xml
2015-05-12 17:04:37,626{GMT} ERROR [cloud.agent.AgentShell] (Thread-1:) Unable to start agent:
Java process is being started twice.  If this is not true, remove /var/run/agent.pid
Unable to start agent: Java process is being started twice.  If this is not true, remove /var/run/agent.pid
{code}

I remove this file by hands and do "restart" again. The agent starts, but /var/run/agent.pid
has zero length again.

This server is just the same as other CentOS hosts (there are many of them in my farm), but
other hosts don't seem to be having this issue.

  was:
The agent doesn't restart. :(

Here is what's going on.

When it starts for the first time it creates /var/named/agent.pid file, but there are no numbers,
the file has zero length.

When I restart it (e.g. by "service cloudstack-agent restart" command), it's being shut down,
but file isn't being removed. So it can't start again, here is what I see in /var/log/cloudstack/agent/cloudstack-agent.out
file:
2015-05-12 17:04:37,504{GMT} INFO  [cloud.agent.AgentShell] (Thread-1:) Agent started
2015-05-12 17:04:37,506{GMT} INFO  [cloud.agent.AgentShell] (Thread-1:) Implementation Version
is 4.2.1
2015-05-12 17:04:37,507{GMT} INFO  [cloud.agent.AgentShell] (Thread-1:) agent.properties found
at /etc/cloudstack/agent/agent.properties
2015-05-12 17:04:37,508{GMT} INFO  [cloud.agent.AgentShell] (Thread-1:) Defaulting to using
properties file for storage
2015-05-12 17:04:37,509{GMT} INFO  [cloud.agent.AgentShell] (Thread-1:) Defaulting to the
constant time backoff algorithm
2015-05-12 17:04:37,510{GMT} INFO  [cloud.utils.LogUtils] (Thread-1:) log4j configuration
found at /etc/cloudstack/agent/log4j-cloud.xml
2015-05-12 17:04:37,626{GMT} ERROR [cloud.agent.AgentShell] (Thread-1:) Unable to start agent:
Java process is being started twice.  If this is not true, remove /var/run/agent.pid
Unable to start agent: Java process is being started twice.  If this is not true, remove /var/run/agent.pid

I remove this file by hands and do "restart" again. The agent starts, but /var/run/agent.pid
has zero length again.

This server is just the same as other CentOS hosts (there are many of them in my farm), but
other hosts don't seem to be having this issue.


> The agent on Linux host doesn't restart
> ---------------------------------------
>
>                 Key: CLOUDSTACK-8456
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-8456
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: KVM
>    Affects Versions: 4.2.1
>         Environment: CentOS-6.6 with following packages installed:
> acl-2.2.49-6.el6.x86_64
> alsa-lib-1.0.22-3.el6.x86_64
> atk-1.30.0-1.el6.x86_64
> attr-2.4.44-7.el6.x86_64
> audit-2.3.7-5.el6.x86_64
> audit-libs-2.3.7-5.el6.x86_64
> augeas-libs-1.0.0-7.el6_6.1.x86_64
> authconfig-6.1.12-19.el6.x86_64
> avahi-libs-0.6.25-15.el6.x86_64
> b43-openfwwf-5.2-4.el6.noarch
> basesystem-10.0-4.el6.noarch
> bash-4.1.2-29.el6.x86_64
> binutils-2.20.51.0.2-5.42.el6.x86_64
> bridge-utils-1.2-10.el6.x86_64
> bzip2-1.0.5-7.el6_0.x86_64
> bzip2-libs-1.0.5-7.el6_0.x86_64
> ca-certificates-2015.2.4-65.0.1.el6_6.noarch
> cairo-1.8.8-3.1.el6.x86_64
> celt051-0.5.1.3-0.el6.x86_64
> centos-release-6-6.el6.centos.12.2.x86_64
> checkpolicy-2.0.22-1.el6.x86_64
> chkconfig-1.3.49.3-2.el6_4.1.x86_64
> cloudstack-agent-4.2.1-1.el6.x86_64
> cloudstack-common-4.2.1-1.el6.x86_64
> ConsoleKit-0.4.1-3.el6.x86_64
> ConsoleKit-libs-0.4.1-3.el6.x86_64
> coreutils-8.4-37.el6.x86_64
> coreutils-libs-8.4-37.el6.x86_64
> cpio-2.10-12.el6_5.x86_64
> cracklib-2.8.16-4.el6.x86_64
> cracklib-dicts-2.8.16-4.el6.x86_64
> cronie-1.4.4-12.el6.x86_64
> cronie-anacron-1.4.4-12.el6.x86_64
> crontabs-1.10-33.el6.noarch
> cryptsetup-luks-1.2.0-11.el6.x86_64
> cryptsetup-luks-libs-1.2.0-11.el6.x86_64
> cups-libs-1.4.2-67.el6.x86_64
> curl-7.19.7-40.el6_6.4.x86_64
> cvs-1.11.23-16.el6.x86_64
> cyrus-sasl-2.1.23-15.el6_6.2.x86_64
> cyrus-sasl-lib-2.1.23-15.el6_6.2.x86_64
> cyrus-sasl-md5-2.1.23-15.el6_6.2.x86_64
> dash-0.5.5.1-4.el6.x86_64
> db4-4.7.25-18.el6_4.x86_64
> db4-utils-4.7.25-18.el6_4.x86_64
> dbus-1.2.24-8.el6_6.x86_64
> dbus-glib-0.86-6.el6.x86_64
> dbus-libs-1.2.24-8.el6_6.x86_64
> device-mapper-1.02.90-2.el6_6.2.x86_64
> device-mapper-event-1.02.90-2.el6_6.2.x86_64
> device-mapper-event-libs-1.02.90-2.el6_6.2.x86_64
> device-mapper-libs-1.02.90-2.el6_6.2.x86_64
> device-mapper-multipath-0.4.9-80.el6_6.3.x86_64
> device-mapper-multipath-libs-0.4.9-80.el6_6.3.x86_64
> device-mapper-persistent-data-0.3.2-1.el6.x86_64
> dhclient-4.1.1-43.P1.el6.centos.1.x86_64
> dhcp-common-4.1.1-43.P1.el6.centos.1.x86_64
> diffutils-2.8.1-28.el6.x86_64
> dmidecode-2.12-5.el6_5.x86_64
> dnsmasq-2.48-14.el6.x86_64
> dracut-004-356.el6_6.2.noarch
> dracut-kernel-004-356.el6_6.2.noarch
> e2fsprogs-1.41.12-21.el6.x86_64
> e2fsprogs-libs-1.41.12-21.el6.x86_64
> ebtables-2.0.9-6.el6.x86_64
> ed-1.1-3.3.el6.x86_64
> efibootmgr-0.5.4-12.el6.x86_64
> eggdbus-0.6-3.el6.x86_64
> elfutils-libelf-0.158-3.2.el6.x86_64
> epel-release-6-8.noarch
> ethtool-3.5-5.el6.x86_64
> expat-2.0.1-11.el6_2.x86_64
> fail2ban-0.8.14-1.el6.noarch
> file-5.04-21.el6.x86_64
> file-libs-5.04-21.el6.x86_64
> filesystem-2.4.30-3.el6.x86_64
> findutils-4.4.2-6.el6.x86_64
> fipscheck-1.2.0-7.el6.x86_64
> fipscheck-lib-1.2.0-7.el6.x86_64
> flac-1.2.1-7.el6_6.x86_64
> fontconfig-2.8.0-5.el6.x86_64
> freetype-2.3.11-15.el6_6.1.x86_64
> fuse-2.8.3-4.el6.x86_64
> gamin-0.1.10-9.el6.x86_64
> gamin-python-0.1.10-9.el6.x86_64
> gawk-3.1.7-10.el6.x86_64
> gdbm-1.8.0-36.el6.x86_64
> gdk-pixbuf2-2.24.1-5.el6.x86_64
> gettext-0.17-18.el6.x86_64
> giflib-4.1.6-3.1.el6.x86_64
> glib2-2.28.8-4.el6.x86_64
> glibc-2.12-1.149.el6_6.7.x86_64
> glibc-common-2.12-1.149.el6_6.7.x86_64
> glusterfs-3.6.0.29-2.el6.x86_64
> glusterfs-api-3.6.0.29-2.el6.x86_64
> glusterfs-libs-3.6.0.29-2.el6.x86_64
> gmp-4.3.1-7.el6_2.2.x86_64
> gnupg2-2.0.14-8.el6.x86_64
> gnutls-2.8.5-14.el6_5.x86_64
> gnutls-utils-2.8.5-14.el6_5.x86_64
> gpgme-1.1.8-3.el6.x86_64
> gpg-pubkey-0608b895-4bd22942
> gpg-pubkey-c105b9de-4e0fd3a3
> gpm-libs-1.20.6-12.el6.x86_64
> gpxe-roms-qemu-0.9.7-6.12.el6.noarch
> grep-2.6.3-6.el6.x86_64
> groff-1.18.1.4-21.el6.x86_64
> grub-0.97-93.el6.x86_64
> grubby-7.0.15-7.el6.x86_64
> gtk2-2.24.23-6.el6.x86_64
> gzip-1.3.12-22.el6.x86_64
> hal-0.5.14-14.el6.x86_64
> hal-info-20090716-3.1.el6.noarch
> hal-libs-0.5.14-14.el6.x86_64
> hdparm-9.43-4.el6.x86_64
> hicolor-icon-theme-0.11-1.1.el6.noarch
> hwdata-0.233-11.1.el6.noarch
> info-4.13a-8.el6.x86_64
> initscripts-9.03.46-1.el6.centos.1.x86_64
> iotop-0.3.2-7.el6.noarch
> ipmitool-1.8.11-21.el6.x86_64
> iproute-2.6.32-33.el6_6.x86_64
> ipset-6.11-3.el6.x86_64
> iptables-1.4.7-14.el6.x86_64
> iptables-ipv6-1.4.7-14.el6.x86_64
> iputils-20071127-17.el6_4.2.x86_64
> iscsi-initiator-utils-6.2.0.873-13.el6.x86_64
> jakarta-commons-daemon-1.0.1-8.9.el6.x86_64
> jakarta-commons-daemon-jsvc-1.0.1-8.9.el6.x86_64
> jasper-libs-1.900.1-16.el6_6.3.x86_64
> java-1.5.0-gcj-1.5.0.0-29.1.el6.x86_64
> java-1.8.0-openjdk-1.8.0.45-28.b13.el6_6.x86_64
> java-1.8.0-openjdk-headless-1.8.0.45-28.b13.el6_6.x86_64
> java_cup-0.10k-5.el6.x86_64
> jna-3.2.4-2.el6.x86_64
> jpackage-utils-1.7.5-3.12.el6.noarch
> kbd-1.15-11.el6.x86_64
> kbd-misc-1.15-11.el6.noarch
> kernel-2.6.32-504.16.2.el6.x86_64
> kernel-2.6.32-504.el6.x86_64
> kernel-firmware-2.6.32-504.16.2.el6.noarch
> keyutils-1.4-5.el6.x86_64
> keyutils-libs-1.4-5.el6.x86_64
> kpartx-0.4.9-80.el6_6.3.x86_64
> krb5-libs-1.10.3-37.el6_6.x86_64
> less-436-13.el6.x86_64
> libacl-2.2.49-6.el6.x86_64
> libaio-0.3.107-10.el6.x86_64
> libart_lgpl-2.3.20-5.1.el6.x86_64
> libasyncns-0.8-1.1.el6.x86_64
> libattr-2.4.44-7.el6.x86_64
> libblkid-2.17.2-12.18.el6.x86_64
> libcap-2.16-5.5.el6.x86_64
> libcap-ng-0.6.4-3.el6_0.1.x86_64
> libcgroup-0.40.rc1-15.el6_6.x86_64
> libcom_err-1.41.12-21.el6.x86_64
> libcurl-7.19.7-40.el6_6.4.x86_64
> libdrm-2.4.52-4.el6.x86_64
> libedit-2.11-4.20080712cvs.1.el6.x86_64
> libevent-1.4.13-4.el6.x86_64
> libffi-3.0.5-3.2.el6.x86_64
> libfontenc-1.0.5-2.el6.x86_64
> libgcc-4.4.7-11.el6.x86_64
> libgcj-4.4.7-11.el6.x86_64
> libgcrypt-1.4.5-11.el6_4.x86_64
> libgomp-4.4.7-11.el6.x86_64
> libgpg-error-1.7-4.el6.x86_64
> libgssglue-0.1-11.el6.x86_64
> libICE-1.0.6-1.el6.x86_64
> libidn-1.18-2.el6.x86_64
> libjpeg-turbo-1.2.1-3.el6_5.x86_64
> libmnl-1.0.2-3.el6.x86_64
> libnih-1.0.1-7.el6.x86_64
> libnl-1.1.4-2.el6.x86_64
> libogg-1.1.4-2.1.el6.x86_64
> libpcap-1.4.0-1.20130826git2dbcaa1.el6.x86_64
> libpciaccess-0.13.3-0.1.el6.x86_64
> libpng-1.2.49-1.el6_2.x86_64
> libselinux-2.0.94-5.8.el6.x86_64
> libselinux-utils-2.0.94-5.8.el6.x86_64
> libsemanage-2.0.43-4.2.el6.x86_64
> libsepol-2.0.41-4.el6.x86_64
> libSM-1.2.1-2.el6.x86_64
> libsndfile-1.0.20-5.el6.x86_64
> libss-1.41.12-21.el6.x86_64
> libssh2-1.4.2-1.el6_6.1.x86_64
> libstdc++-4.4.7-11.el6.x86_64
> libtasn1-2.3-6.el6_5.x86_64
> libthai-0.1.12-3.el6.x86_64
> libtiff-3.9.4-10.el6_5.x86_64
> libtirpc-0.2.1-10.el6.x86_64
> libudev-147-2.57.el6.x86_64
> libusb-0.1.12-23.el6.x86_64
> libusb1-1.0.9-0.6.rc1.el6.x86_64
> libuser-0.56.13-5.el6.x86_64
> libutempter-1.1.5-4.1.el6.x86_64
> libuuid-2.17.2-12.18.el6.x86_64
> libvirt-0.10.2-46.el6_6.6.x86_64
> libvirt-client-0.10.2-46.el6_6.6.x86_64
> libvorbis-1.2.3-4.el6_2.1.x86_64
> libX11-1.6.0-2.2.el6.x86_64
> libX11-common-1.6.0-2.2.el6.noarch
> libXau-1.0.6-4.el6.x86_64
> libxcb-1.9.1-2.el6.x86_64
> libXcomposite-0.4.3-4.el6.x86_64
> libXcursor-1.1.14-2.1.el6.x86_64
> libXdamage-1.1.3-4.el6.x86_64
> libXext-1.3.2-2.1.el6.x86_64
> libXfixes-5.0.1-2.1.el6.x86_64
> libXfont-1.4.5-4.el6_6.x86_64
> libXft-2.3.1-2.el6.x86_64
> libXi-1.7.2-2.2.el6.x86_64
> libXinerama-1.1.3-2.1.el6.x86_64
> libxml2-2.7.6-17.el6_6.1.x86_64
> libXrandr-1.4.1-2.1.el6.x86_64
> libXrender-0.9.8-2.1.el6.x86_64
> libxslt-1.1.26-2.el6_3.1.x86_64
> libXtst-1.2.2-2.1.el6.x86_64
> lm_sensors-libs-3.1.1-17.el6.x86_64
> logrotate-3.7.8-17.el6.x86_64
> ltrace-0.5-28.45svn.el6.x86_64
> lua-5.1.4-4.1.el6.x86_64
> lvm2-2.02.111-2.el6_6.2.x86_64
> lvm2-libs-2.02.111-2.el6_6.2.x86_64
> lzo-2.03-3.1.el6_5.1.x86_64
> lzop-1.02-0.9.rc1.el6.x86_64
> m4-1.4.13-5.el6.x86_64
> mailcap-2.1.31-2.el6.noarch
> make-3.81-20.el6.x86_64
> MAKEDEV-3.24-6.el6.x86_64
> man-1.6f-32.el6.x86_64
> mc-4.7.0.2-3.el6.x86_64
> mdadm-3.3-6.el6_6.1.x86_64
> MegaCli-8.07.14-1.noarch
> mingetty-1.08-5.el6.x86_64
> module-init-tools-3.9-24.el6.x86_64
> munin-common-2.0.25-2.el6.noarch
> munin-node-2.0.25-2.el6.noarch
> mysql-libs-5.1.73-3.el6_5.x86_64
> nagios-common-3.5.1-1.el6.x86_64
> nagios-plugins-1.4.16-10.el6.x86_64
> nagios-plugins-disk-1.4.16-10.el6.x86_64
> nagios-plugins-load-1.4.16-10.el6.x86_64
> nagios-plugins-procs-1.4.16-10.el6.x86_64
> nagios-plugins-swap-1.4.16-10.el6.x86_64
> nagios-plugins-users-1.4.16-10.el6.x86_64
> nc-1.84-22.el6.x86_64
> ncurses-5.7-3.20090208.el6.x86_64
> ncurses-base-5.7-3.20090208.el6.x86_64
> ncurses-libs-5.7-3.20090208.el6.x86_64
> netcf-libs-0.2.4-1.el6.x86_64
> net-snmp-libs-5.5-50.el6_6.1.x86_64
> net-tools-1.60-110.el6_2.x86_64
> newt-0.52.11-3.el6.x86_64
> newt-python-0.52.11-3.el6.x86_64
> nfs-utils-1.2.3-54.el6.x86_64
> nfs-utils-lib-1.1.5-9.el6.x86_64
> nrpe-2.15-2.el6.x86_64
> nspr-4.10.8-1.el6_6.x86_64
> nss-3.18.0-5.3.el6_6.x86_64
> nss-softokn-3.14.3-22.el6_6.x86_64
> nss-softokn-freebl-3.14.3-22.el6_6.x86_64
> nss-sysinit-3.18.0-5.3.el6_6.x86_64
> nss-tools-3.18.0-5.3.el6_6.x86_64
> nss-util-3.18.0-1.el6_6.x86_64
> ntp-4.2.6p5-3.el6.centos.x86_64
> ntpdate-4.2.6p5-3.el6.centos.x86_64
> numactl-2.0.9-2.el6.x86_64
> numad-0.5-11.20140620git.el6.x86_64
> OpenIPMI-2.0.16-14.el6.x86_64
> OpenIPMI-libs-2.0.16-14.el6.x86_64
> openldap-2.4.39-8.el6.x86_64
> openssh-5.3p1-104.el6_6.1.x86_64
> openssh-clients-5.3p1-104.el6_6.1.x86_64
> openssh-server-5.3p1-104.el6_6.1.x86_64
> openssl-1.0.1e-30.el6.8.x86_64
> p11-kit-0.18.5-2.el6_5.2.x86_64
> p11-kit-trust-0.18.5-2.el6_5.2.x86_64
> pam-1.1.1-20.el6.x86_64
> pango-1.28.1-10.el6.x86_64
> parted-2.1-25.el6.x86_64
> passwd-0.77-4.el6_2.2.x86_64
> pciutils-libs-3.1.10-4.el6.x86_64
> pcre-7.8-6.el6.x86_64
> perl-5.10.1-136.el6_6.1.x86_64
> perl-Compress-Raw-Zlib-2.021-136.el6_6.1.x86_64
> perl-Compress-Zlib-2.021-136.el6_6.1.x86_64
> perl-Crypt-DES-2.05-9.el6.x86_64
> perl-DBD-Pg-2.15.1-4.el6_3.x86_64
> perl-DBI-1.609-4.el6.x86_64
> perl-Digest-HMAC-1.01-22.el6.noarch
> perl-Digest-SHA1-2.12-2.el6.x86_64
> perl-HTML-Parser-3.64-2.el6.x86_64
> perl-HTML-Tagset-3.20-4.el6.noarch
> perl-IO-Compress-Base-2.021-136.el6_6.1.x86_64
> perl-IO-Compress-Zlib-2.021-136.el6_6.1.x86_64
> perl-IO-Multiplex-1.13-1.el6.noarch
> perl-libs-5.10.1-136.el6_6.1.x86_64
> perl-libwww-perl-5.833-2.el6.noarch
> perl-List-MoreUtils-0.22-10.el6.x86_64
> perl-Module-Pluggable-3.90-136.el6_6.1.x86_64
> perl-Net-CIDR-0.14-1.el6.noarch
> perl-Net-DNS-0.65-5.el6.x86_64
> perl-Net-Server-2.007-2.el6.noarch
> perl-Net-SNMP-5.2.0-4.el6.noarch
> perl-Pod-Escapes-1.04-136.el6_6.1.x86_64
> perl-Pod-Simple-3.13-136.el6_6.1.x86_64
> perl-Time-HiRes-1.9721-136.el6_6.1.x86_64
> perl-URI-1.40-2.el6.noarch
> perl-version-0.77-136.el6_6.1.x86_64
> perl-XML-LibXML-1.70-5.el6.x86_64
> perl-XML-NamespaceSupport-1.10-3.el6.noarch
> perl-XML-Parser-2.36-7.el6.x86_64
> perl-XML-SAX-0.96-7.el6.noarch
> pinentry-0.7.6-6.el6.x86_64
> pixman-0.32.4-4.el6.x86_64
> pkgconfig-0.23-9.1.el6.x86_64
> plymouth-0.8.3-27.el6.centos.1.x86_64
> plymouth-core-libs-0.8.3-27.el6.centos.1.x86_64
> plymouth-scripts-0.8.3-27.el6.centos.1.x86_64
> pm-utils-1.2.5-11.el6.x86_64
> policycoreutils-2.0.83-19.47.el6_6.1.x86_64
> polkit-0.96-7.el6.x86_64
> popt-1.13-7.el6.x86_64
> postfix-2.6.6-6.el6_5.x86_64
> postgresql-libs-8.4.20-2.el6_6.x86_64
> procps-3.2.8-30.el6.x86_64
> psmisc-22.6-19.el6_5.x86_64
> pth-2.0.7-9.3.el6.x86_64
> pulseaudio-libs-0.9.21-17.el6.x86_64
> pygpgme-0.1-18.20090824bzr68.el6.x86_64
> python-2.6.6-52.el6.x86_64
> python-iniparse-0.3.1-2.1.el6.noarch
> python-inotify-0.9.1-1.el6.noarch
> python-libs-2.6.6-52.el6.x86_64
> python-pycurl-7.19.0-8.el6.x86_64
> python-urlgrabber-3.9.1-9.el6.noarch
> qemu-img-0.12.1.2-2.448.el6_6.2.x86_64
> qemu-kvm-0.12.1.2-2.448.el6_6.2.x86_64
> radvd-1.6-1.el6.x86_64
> readline-6.0-4.el6.x86_64
> redhat-logos-60.0.14-12.el6.centos.noarch
> rootfiles-8.1-6.1.el6.noarch
> rpcbind-0.2.0-11.el6.x86_64
> rpm-4.8.0-38.el6_6.x86_64
> rpm-libs-4.8.0-38.el6_6.x86_64
> rpm-python-4.8.0-38.el6_6.x86_64
> rsync-3.0.6-12.el6.x86_64
> rsyslog-5.8.10-10.el6_6.x86_64
> screen-4.0.3-16.el6.x86_64
> seabios-0.6.1.2-28.el6.x86_64
> sed-4.2.1-10.el6.x86_64
> selinux-policy-3.7.19-260.el6_6.3.noarch
> selinux-policy-targeted-3.7.19-260.el6_6.3.noarch
> setup-2.8.14-20.el6_4.1.noarch
> sgabios-bin-0-0.3.20110621svn.el6.noarch
> shadow-utils-4.1.4.2-19.el6_6.1.x86_64
> shared-mime-info-0.70-6.el6.x86_64
> sinjdoc-0.5-9.1.el6.x86_64
> slang-2.2.1-1.el6.x86_64
> snappy-1.1.0-1.el6.x86_64
> spice-server-0.12.4-11.el6.x86_64
> sqlite-3.6.20-1.el6.x86_64
> sudo-1.8.6p3-15.el6.x86_64
> sysstat-9.0.4-27.el6.x86_64
> system-config-firewall-base-1.2.27-7.2.el6_6.noarch
> sysvinit-tools-2.87-5.dsf.el6.x86_64
> tar-1.23-11.el6.x86_64
> tcpdump-4.0.0-3.20090921gitdf3cb4.2.el6.x86_64
> tcp_wrappers-libs-7.6-57.el6.x86_64
> telnet-0.17-48.el6.x86_64
> ttmkfdir-3.0.9-32.1.el6.x86_64
> tzdata-2015d-1.el6.noarch
> tzdata-java-2015d-1.el6.noarch
> udev-147-2.57.el6.x86_64
> unzip-6.0-2.el6_6.x86_64
> upstart-0.6.5-13.el6_5.3.x86_64
> usbredir-0.5.1-1.el6.x86_64
> ustr-1.0.4-9.1.el6.x86_64
> util-linux-ng-2.17.2-12.18.el6.x86_64
> vconfig-1.9-8.1.el6.x86_64
> vgabios-0.6b-3.7.el6.noarch
> vim-common-7.2.411-1.8.el6.x86_64
> vim-enhanced-7.2.411-1.8.el6.x86_64
> vim-minimal-7.2.411-1.8.el6.x86_64
> which-2.19-6.el6.x86_64
> xfsprogs-3.1.1-16.el6.x86_64
> xorg-x11-fonts-Type1-7.2-9.1.el6.noarch
> xorg-x11-font-utils-7.2-11.el6.x86_64
> xz-4.999.9-0.5.beta.20091007git.el6.x86_64
> xz-libs-4.999.9-0.5.beta.20091007git.el6.x86_64
> xz-lzma-compat-4.999.9-0.5.beta.20091007git.el6.x86_64
> yajl-1.0.7-3.el6.x86_64
> yum-3.2.29-60.el6.centos.noarch
> yum-metadata-parser-1.1.2-16.el6.x86_64
> yum-plugin-fastestmirror-1.1.30-30.el6.noarch
> zip-3.0-1.el6.x86_64
> zlib-1.2.3-29.el6.x86_64
>            Reporter: Vladimir Melnik
>
> The agent doesn't restart. :(
> Here is what's going on.
> When it starts for the first time it creates /var/named/agent.pid file, but there are
no numbers, the file has zero length.
> When I restart it (e.g. by "service cloudstack-agent restart" command), it's being shut
down, but file isn't being removed. So it can't start again, here is what I see in /var/log/cloudstack/agent/cloudstack-agent.out
file:
> {code}
> 2015-05-12 17:04:37,504{GMT} INFO  [cloud.agent.AgentShell] (Thread-1:) Agent started
> 2015-05-12 17:04:37,506{GMT} INFO  [cloud.agent.AgentShell] (Thread-1:) Implementation
Version is 4.2.1
> 2015-05-12 17:04:37,507{GMT} INFO  [cloud.agent.AgentShell] (Thread-1:) agent.properties
found at /etc/cloudstack/agent/agent.properties
> 2015-05-12 17:04:37,508{GMT} INFO  [cloud.agent.AgentShell] (Thread-1:) Defaulting to
using properties file for storage
> 2015-05-12 17:04:37,509{GMT} INFO  [cloud.agent.AgentShell] (Thread-1:) Defaulting to
the constant time backoff algorithm
> 2015-05-12 17:04:37,510{GMT} INFO  [cloud.utils.LogUtils] (Thread-1:) log4j configuration
found at /etc/cloudstack/agent/log4j-cloud.xml
> 2015-05-12 17:04:37,626{GMT} ERROR [cloud.agent.AgentShell] (Thread-1:) Unable to start
agent: Java process is being started twice.  If this is not true, remove /var/run/agent.pid
> Unable to start agent: Java process is being started twice.  If this is not true, remove
/var/run/agent.pid
> {code}
> I remove this file by hands and do "restart" again. The agent starts, but /var/run/agent.pid
has zero length again.
> This server is just the same as other CentOS hosts (there are many of them in my farm),
but other hosts don't seem to be having this issue.



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