[jira] [Created] (AMBARI-5274) Supervisor under supervision fails w/o ganglia server

["Aleksandr Kovalenko (JIRA)" <ji...@apache.org>]

Aleksandr Kovalenko created AMBARI-5274:
-------------------------------------------

             Summary: Supervisor under supervision fails w/o ganglia server
                 Key: AMBARI-5274
                 URL: https://issues.apache.org/jira/browse/AMBARI-5274
             Project: Ambari
          Issue Type: Bug
          Components: client
    Affects Versions: 1.5.1
            Reporter: Aleksandr Kovalenko
             Fix For: 1.5.1


{code}
JMXetricAgent instrumented JVM, see https://github.com/ganglia/jmxetric
Mar 28, 2014 6:40:13 PM info.ganglia.jmxetric.JMXetricAgent premain
SEVERE: Exception starting JMXetricAgent
java.net.UnknownHostException: {0}: Name or service not known
        at java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method)
        at java.net.InetAddress$1.lookupAllHostAddr(InetAddress.java:901)
        at java.net.InetAddress.getAddressesFromNameService(InetAddress.java:129
3)
        at java.net.InetAddress.getAllByName0(InetAddress.java:1246)
        at java.net.InetAddress.getAllByName(InetAddress.java:1162)
        at java.net.InetAddress.getAllByName(InetAddress.java:1098)
        at java.net.InetAddress.getByName(InetAddress.java:1048)
        at info.ganglia.gmetric4j.gmetric.AbstractProtocol.<init>(AbstractProtoc
ol.java:29)
        at info.ganglia.gmetric4j.gmetric.Protocolv31x.<init>(Protocolv31x.java:
34)
        at info.ganglia.gmetric4j.gmetric.GMetric.<init>(GMetric.java:108)
        at info.ganglia.jmxetric.XMLConfigurationService.configureGangliaFromXML
(XMLConfigurationService.java:165)
        at info.ganglia.jmxetric.XMLConfigurationService.configure(XMLConfigurat
ionService.java:67)
        at info.ganglia.jmxetric.JMXetricAgent.premain(JMXetricAgent.java:51)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        at sun.instrument.InstrumentationImpl.loadClassAndStartAgent(Instrumenta
tionImpl.java:382)
        at sun.instrument.InstrumentationImpl.loadClassAndCallPremain(Instrument
ationImpl.java:397)
{code}

The reason here is this config send from ui:
{code}
...childopts: '-javaagent:/usr/lib/storm/contrib/storm-jmxetric/lib/jmxetric-1.0.4.jar=host={0},...'
{code}

it can't find hostname {0}, however this works fine:
{code}
...childopts: '-javaagent:/usr/lib/storm/contrib/storm-jmxetric/lib/jmxetric-1.0.4.jar=host=,port...'
{code}

So let's leave it as empty if no ganglia server is present



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