title: Solr, Service Unavailable 503
body: <p>I've just install jetty 9 and solr 4.4.0, I tried to access <code>http://localhost:8080/solr</code> but got 503 service error "service unavailable" when try to access solr. try to run <code>sudo service jetty check</code> I got this result:</p>
  
  <pre><code>agan@dancing:/var/www/sites/all$ sudo service jetty start
  Starting Jetty: . . . OK Tue Jan 28 09:39:50 UTC 2014
  agan@dancing:/var/www/sites/all$ sudo service jetty check
  Checking arguments to Jetty:
  START_INI      =  /opt/jetty/start.ini
  JETTY_HOME     =  /opt/jetty
  JETTY_BASE     =  /opt/jetty
  JETTY_CONF     =  /opt/jetty/etc/jetty.conf
  JETTY_PID      =  /var/run/jetty.pid
  JETTY_START    =  /opt/jetty/start.jar
  JETTY_LOGS     =  /opt/jetty/logs
  CLASSPATH      =
  JAVA           =  /usr/bin/java
  JAVA_OPTIONS   =  -Dsolr.solr.home=/opt/solr  -Djetty.state=/opt/jetty/jetty.state -Djetty.logs=/opt/jetty/logs -Djetty.home=/opt/jetty -Djetty.base=/opt/jetty -Djava.io.tmpdir=/tmp
  JETTY_ARGS     =  jetty.port=8080 jetty-logging.xml jetty-started.xml
  RUN_CMD        =  /usr/bin/java -Dsolr.solr.home=/opt/solr -Djetty.state=/opt/jetty/jetty.state -Djetty.logs=/opt/jetty/logs -Djetty.home=/opt/jetty -Djetty.base=/opt/jetty -Djava.io.tmpdir=/tmp -jar /opt/jetty/start.jar jetty.port=8080 jetty-logging.xml jetty-started.xml
  
  Jetty running pid=3018
  </code></pre>
  
  <p>how to get it fixed?</p>
  
  <p>regards,</p>