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From "David Amorim Faria (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-9283) cloudstack-usage fails to start throwing Integer exception during PID retrieval
Date Wed, 10 Feb 2016 15:28:18 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-9283?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15140995#comment-15140995
] 

David Amorim Faria commented on CLOUDSTACK-9283:
------------------------------------------------

This is indeed an issue.

I changed the service definition to have the Dpid and now the usage server is no longer restarting
in a loop.

/usr/lib/systemd/system/cloudstack-usage.service: {code}
[Unit]
Description=CloudStack Usage Server
Documentation=http://www.cloudstack.org/
Wants=network.target network-online.target
After=network.target network-online.target

[Service]
Type=simple
Environment=JAVA_HOME=/usr/lib/jvm/jre
Environment=JAVA_HEAP_INITIAL=256m
Environment=JAVA_HEAP_MAX=2048m
Environment=JAVA_CLASS=com.cloud.usage.UsageServer
Environment=JAVA_PID=$$
ExecStart=/bin/sh -ec '\
    export UCP=`ls /usr/share/cloudstack-usage/cloud-usage-*.jar /usr/share/cloudstack-usage/lib/*.jar
| tr "\\n" ":"`; \
    export CLASSPATH="$UCP:/etc/cloudstack/usage:/usr/share/java/mysql-connector-java.jar";
\
    ${JAVA_HOME}/bin/java -Dpid=${JAVA_PID} -Xms${JAVA_HEAP_INITIAL} -Xmx${JAVA_HEAP_MAX}
-cp "$CLASSPATH" $JAVA_CLASS'
Restart=always
RestartSec=10s

[Install]
WantedBy=multi-user.target
{code}


> cloudstack-usage fails to start throwing Integer exception during PID retrieval
> -------------------------------------------------------------------------------
>
>                 Key: CLOUDSTACK-9283
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9283
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: Usage
>    Affects Versions: 4.7.0
>         Environment: CentOS 7, systemd, packages from official repo
>            Reporter: Linas Žilinskas
>
> I have very little knowledge of java, but I looked at the code where the exception is
thrown. The code is 
> {code}_pid = Integer.parseInt(System.getProperty("pid"));{code} 
> Based on the information I found, I guess the command line requires -Dpid=$$ to be passed,
which isn't. I modified the systemd service to include the parameter and service now starts.
I'm not sure if this is something specific to my environment or not, but seems strange that
this could go unnoticed.
> {code}
> 12:49:27,981 DEBUG UsageManagerImpl:187 - Checking to see if usage.vmops.pid exists.
> 12:49:27,982  INFO UsageManagerImpl:195 - Implementation Version is 4.7.0
> 12:49:28,737 DEBUG UsageManagerImpl:218 - Usage stats aggregation time zone: GMT
> 12:49:28,738 DEBUG UsageManagerImpl:250 - Execution Time: Wed Feb 10 12:25:00 UTC 2016
> 12:49:28,738 DEBUG UsageManagerImpl:252 - Current Time: Wed Feb 10 12:49:28 UTC 2016
> java.lang.NumberFormatException: null
>         at java.lang.Integer.parseInt(Integer.java:542)
>         at java.lang.Integer.parseInt(Integer.java:615)
>         at com.cloud.usage.UsageManagerImpl.configure(UsageManagerImpl.java:267)
>         at com.cloud.utils.component.ComponentContext.initComponentsLifeCycle(ComponentContext.java:116)
>         at com.cloud.usage.UsageServer.start(UsageServer.java:61)
>         at com.cloud.usage.UsageServer.main(UsageServer.java:47)
> 12:49:28,745 DEBUG DefaultListableBeanFactory:243 - Returning cached instance of singleton
bean 'usageManagerImpl'
> 12:49:28,745  INFO UsageServer:70 - UsageServer ready...
> {code}



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