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Musomi,
> Musomi,
>
> On 8/6/19 11:04, Musomi Motilewa wrote:
>> Hi-
>
>> I'm currently running a two node cluster of Tomcat servers. I'm
>> trying to implment Farm War Deployer
>> (org.apache.catalina.ha.deploy.FarmWarDeployer) to deploy my war
>> files to the cluster. The deployer is successfully deploying
>> wars on the primary node when placed in the watch directory. On
>> the secondary node the war file makes it to the tmp directory but
>> is not deployed. The secondary node returns the following error:
>
>> 06-Aug-2019 09:56:31.082 SEVERE
>> [Tribes-Task-Receiver[localhost-Channel]-3]
>> org.apache.catalina.ha.deploy.FarmWarDeployer.messageReceived
>> Failed to rename [/var/tmp/war-tmp/ServerHealth.war] to
>> [/opt/tomcat/latest/webapps/ServerHealth.war]
>
>> Server Configuration
>
>> - Apache Tomcat/9.0.22, - openjdk 12.0.2 2019-07-16 OpenJDK
>> Runtime Environment 19.3 (build 12.0.2+9) OpenJDK 64-Bit Server
>> VM 19.3 (build 12.0.2+9, mixed mode, sharing)
>
>> The <Cluster> tag is placed in the <Host> tag on both machines.
>> The deployer tag is setup as follows with watchEnabled set to
>> true on the primary server and false on the secondary. "{{
>> tomcat_McastAddress }}" is replaced by Ansible.
>
>> <Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster"
>> channelSendOptions="8">
>
>> <Manager className="org.apache.catalina.ha.session.DeltaManager"
>> expireSessionsOnShutdown="false"
>> notifyListenersOnReplication="true"/>
>
>> <Channel
>> className="org.apache.catalina.tribes.group.GroupChannel">
>> <Membership
>> className="org.apache.catalina.tribes.membership.McastService"
>> address="{{ tomcat_McastAddress }}" port="45564" frequency="500"
>> dropTime="3000"/>
>
>> <Receiver
>> className="org.apache.catalina.tribes.transport.nio.NioReceiver"
>> address="auto" port="4000" autoBind="100" selectorTimeout="5000"
>> maxThreads="6"/>
>
>> <Sender
>> className="org.apache.catalina.tribes.transport.ReplicationTransmitte
r
>
>>
">
>
>
> <Transport
> className="org.apache.catalina.tribes.transport.nio.PooledParallelSend
er
>
>
"/>
>> </Sender>
>
>> <Interceptor
>> className="org.apache.catalina.tribes.group.interceptors.TcpFailureDe
t
>
>>
ector"/>
>
>
> <Interceptor
> className="org.apache.catalina.tribes.group.interceptors.MessageDispat
ch
>
>
Interceptor"/>
>> </Channel>
>
>> <Valve className="org.apache.catalina.ha.tcp.ReplicationValve"
>> filter=".*\.gif|.*\.js|.*\.jpg|.*\.jpeg|.*\.png|.*\.htm|.*\.html|.*\.
c
>
>>
ss|.*\.txt"/>
>
>> <Valve
>> className="org.apache.catalina.ha.session.JvmRouteBinderValve"/>
>
>> <Deployer
>> className="org.apache.catalina.ha.deploy.FarmWarDeployer"
>> tempDir="/var/tmp/war-tmp/"
>> deployDir="/opt/tomcat/latest/webapps/"
>> watchDir="/var/tmp/war-watch/" watchEnabled="{{
>> tomcat_deployerWatchEnabled|default('false', true) }}"
>> processDeployFrequency="2" />
>
>> <ClusterListener
>> className="org.apache.catalina.ha.session.ClusterSessionListener"/>
>
>>
>
> </Cluster>
>
>> The tempDir, deployDir and watchDir have the following owner and
>> group permissions set.
>
>> /var/tmp/ drwxrwxr-x. 2 tomcat tomcat 30 Aug 6 09:56 war-tmp
>> drwxrwxr-x. 2 tomcat tomcat 6 Aug 6 08:18 war-watch
>
>> /opt/tomcat/lastest/ drwxr-x---. 7 tomcat tomcat 81 Aug 6
>> 09:45 webapps
>
>> A checksum of the war file on both servers match so the file is
>> being transfered to the secondary server's tempDir correctly. It
>> just doesnt seem to be getting transered from the tempdir to the
>> deployDir successfully.
>
>> Any help in this matter would be greatly appreciated. Thanks.
>
> What do you get when you run these commands on the "secondary
> node"?
>
> $ id tomcat
>
> $ ps aux | grep catalina.base
>
> $ mount
>
> My guess is that your server is running as "tomcat" and your file
> permissions are correct. I'm guessing that /var/tmp and
> /opt/tomcat are on different filesystems and that File.rename
> doesn't work across filesystems in your environment.
Confirmed on Linux with ext4 and tmpfs, Java 1.8 File.renameTo will
return false and perform no action across those two filesystems.
- -chris
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