title: Strange error when installing sonarqube 4.3
body: <p>Im trying to install sonarQube and this is the steps I have taken:</p>
  
  <ul>
  <li>Downloaded sonarqube version 4.3</li>
  <li>Unpacked sonarqube-4.3.zip to C:\sonarqube</li>
  <li>Start sonarqube by running: C:\sonarqube\bin\windows-x86-64\StartSonar.bat </li>
  <li>Server running</li>
  <li>Testet access to server on <code>http://localhost:9000</code></li>
  <li>Comment out the following line in C:\sonarqube\conf\sonar.properties</li>
  <li><code>sonar.jdbc.url=jdbc:h2:tcp://localhost:9092/sonar</code></li>
  <li>Edit the following lines in C:\sonarqube\conf\sonar.properties</li>
  <li>sonar.jdbc.username=sonar to sonar.jdbc.username=username</li>
  <li>sonar.jdbc.password=sonar to sonar.jdbc.password=password</li>
  <li>#sonar.jdbc.url=jdbc:oracle:thin:@host/XE to sonar.jdbc.url=jdbc:oracle:thin:@host:port/db</li>
  <li>Download ojdbc6.jar</li>
  <li>Copy ojdbc6.jar to C:\sonarqube\extensions\jdbc-driver\oracle\</li>
  <li>Stop server</li>
  <li>Start server</li>
  <li>Starting server fails</li>
  </ul>
  
  <p>I get this in the log:</p>
  
  <p>Any help or pointers appreciated</p>
  
  <pre><code>2014.06.03 11:13:55 INFO  [o.s.a.Connectors]  HTTP connector is enabled on port 9000
  2014.06.03 11:13:56 INFO  [o.a.c.h.Http11Protocol]  Initializing ProtocolHandler ["http-bio-0.0.0.0-9000"]
  2014.06.03 11:13:56 INFO  [o.a.c.c.StandardService]  Starting service Tomcat
  2014.06.03 11:13:56 INFO  [o.a.c.c.StandardEngine]  Starting Servlet Engine: Apache Tomcat/7.0.42
  2014.06.03 11:13:57 INFO  [o.a.c.s.ContextConfig]  No global web.xml found
  2014.06.03 11:13:59 INFO  [o.s.s.p.ServerImpl]  SonarQube Server / 4.3 / 05cc0b97a0e8064857d02c03a8086695e154e2ba
  2014.06.03 11:13:59 ERROR [o.s.s.p.PlatformServletContextListener]  Fail to start server
  java.lang.NullPointerException: null
      at org.sonar.server.db.EmbeddedDatabaseFactory.start(EmbeddedDatabaseFactory.java:39) ~[EmbeddedDatabaseFactory.class:na]
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.7.0]
      at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[na:1.7.0]
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[na:1.7.0]
      at java.lang.reflect.Method.invoke(Unknown Source) ~[na:1.7.0]
      at org.picocontainer.lifecycle.ReflectionLifecycleStrategy.invokeMethod(ReflectionLifecycleStrategy.java:110) ~[picocontainer-2.14.3.jar:na]
      at org.picocontainer.lifecycle.ReflectionLifecycleStrategy.start(ReflectionLifecycleStrategy.java:89) ~[picocontainer-2.14.3.jar:na]
      at org.picocontainer.injectors.AbstractInjectionFactory$LifecycleAdapter.start(AbstractInjectionFactory.java:84) ~[picocontainer-2.14.3.jar:na]
      at org.picocontainer.behaviors.AbstractBehavior.start(AbstractBehavior.java:169) ~[picocontainer-2.14.3.jar:na]
      at org.picocontainer.behaviors.Stored$RealComponentLifecycle.start(Stored.java:132) ~[picocontainer-2.14.3.jar:na]
      at org.picocontainer.behaviors.Stored.start(Stored.java:110) ~[picocontainer-2.14.3.jar:na]
      at org.picocontainer.DefaultPicoContainer.potentiallyStartAdapter(DefaultPicoContainer.java:1015) ~[picocontainer-2.14.3.jar:na]
      at org.picocontainer.DefaultPicoContainer.startAdapters(DefaultPicoContainer.java:1008) ~[picocontainer-2.14.3.jar:na]
      at org.picocontainer.DefaultPicoContainer.start(DefaultPicoContainer.java:766) ~[picocontainer-2.14.3.jar:na]
      at org.sonar.api.platform.ComponentContainer.startComponents(ComponentContainer.java:91) ~[sonar-plugin-api-4.3.jar:na]
      at org.sonar.server.platform.Platform.startLevel1Container(Platform.java:91) ~[Platform.class:na]
      at org.sonar.server.platform.Platform.init(Platform.java:71) ~[Platform.class:na]
      at org.sonar.server.platform.PlatformServletContextListener.contextInitialized(PlatformServletContextListener.java:53) ~[PlatformServletContextListener.class:na]
      at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4939) [tomcat-embed-core-7.0.42.jar:7.0.42]
      at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5434) [tomcat-embed-core-7.0.42.jar:7.0.42]
      at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) [tomcat-embed-core-7.0.42.jar:7.0.42]
      at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559) [tomcat-embed-core-7.0.42.jar:7.0.42]
      at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549) [tomcat-embed-core-7.0.42.jar:7.0.42]
      at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source) [na:1.7.0]
      at java.util.concurrent.FutureTask.run(Unknown Source) [na:1.7.0]
      at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [na:1.7.0]
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [na:1.7.0]
      at java.lang.Thread.run(Unknown Source) [na:1.7.0]
  &lt;-- Wrapper Stopped
  </code></pre>