title: java.net.MalformedURLException: Local host name unknown: java.net.UnknownHostException:
body: <p>I need to configure SymmtricDS in Linux redhat Machine as Master.I am referring URL to configure in linux
  I installed symmtricDS but when i start the service, using the below command</p>
  
  <pre><code>[root@samrtcity bin]# sudo sh sym_service start
  </code></pre>
  
  <p>it will show error like this    </p>
  
  <pre><code>Waiting for server to start
  ..
  java -Djava.io.tmpdir=/opt/SymmtricDS/symmetric-server-3.7.28/symmetric-server-3.7.28/tmp -jar /opt/SymmtricDS/symmetric-server-3.7.28/symmetric-server-3.7.28/lib/symmetric-wrapper.jar exec /opt/SymmtricDS/symmetric-server-3.7.28/symmetric-server-3.7.28/conf/sym_service.conf
      Error: Exception thrown by the agent : java.net.MalformedURLException: Local host name unknown: java.net.UnknownHostException: samrtcity.in: samrtcity.in: unknown error
      java.lang.IllegalThreadStateException: process hasn't exited
              at java.lang.UNIXProcess.exitValue(UNIXProcess.java:424)
              at org.jumpmind.symmetric.wrapper.WrapperService.execJava(WrapperService.java:201)
              at org.jumpmind.symmetric.wrapper.WrapperHelper.run(WrapperHelper.java:32)
              at org.jumpmind.symmetric.wrapper.Wrapper.main(Wrapper.java:48)
      Error 8: Failed second stage
      Native error 8
  </code></pre>
  
  <p>Where did I go wrong?</p>