title: Sqldeveloper gives error on running using java on Fedora
body: <p>I'm tired to install sqldeveloper (sqldeveloper-4.1.0.17.29-1.noarch.rpm)
  on Fedora OS so I installed jdk successfully and installed sqldevelover successfully too then I started the sqldevelober from terminal and it ask for the directory for the jdk I set the directory and then I got the error I tried to Uninstall the sqldeveloper and install it again and the same error coming up so please help I will attach the screens of the processes:</p>
  
  <p>1-cheching that the java and sqldeveloper installed</p>
  
  <blockquote>
    <p>[root@alaadin-fedora RPMS]# yum list java-1*
    Loaded plugins: langpacks
    Installed Packages
    java-1.8.0-openjdk.x86_64                                1:1.8.0.31-3.b13.fc21                   @updates
    java-1.8.0-openjdk-headless.x86_64                       1:1.8.0.31-3.b13.fc21                   @updates
    Available Packages
    java-1.8.0-openjdk.i686                                  1:1.8.0.31-3.b13.fc21                   updates 
    java-1.8.0-openjdk-accessibility.x86_64                  1:1.8.0.31-3.b13.fc21                   updates 
    java-1.8.0-openjdk-demo.x86_64                           1:1.8.0.31-3.b13.fc21                   updates 
    java-1.8.0-openjdk-devel.i686                            1:1.8.0.31-3.b13.fc21                   updates 
    java-1.8.0-openjdk-devel.x86_64                          1:1.8.0.31-3.b13.fc21                   updates 
    java-1.8.0-openjdk-headless.i686                         1:1.8.0.31-3.b13.fc21                   updates 
    java-1.8.0-openjdk-javadoc.noarch                        1:1.8.0.31-3.b13.fc21                   updates 
    java-1.8.0-openjdk-src.x86_64                            1:1.8.0.31-3.b13.fc21                   updates 
    [root@alaadin-fedora RPMS]# rpm -q sql*
    package sqldeveloper-4.1.0.17.29-1.noarch.rpm is not installed</p>
  </blockquote>
  
  <p>2-after I gave it the pass of the jdk and when I run sqldeveloper it gives me that error:</p>
  
  <blockquote>
    <p>[root@alaadin-fedora RPMS]# sqldeveloper </p>
    
    <p>Oracle SQL Developer
     Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.</p>
    
    <p>Exception in thread "main" java.lang.UnsupportedClassVersionError: oracle/dbtools/raptor/startup/HomeSupport : Unsupported major.minor version 52.0
        at java.lang.ClassLoader.defineClass1(Native Method)
        at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
        at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:274)
        at java.util.ServiceLoader$LazyIterator.next(ServiceLoader.java:363)
        at java.util.ServiceLoader$1.next(ServiceLoader.java:445)
        at oracle.ide.osgi.boot.LauncherUtil.processOJStartupHook(LauncherUtil.java:356)
        at oracle.ide.osgi.boot.LauncherUtil.initialize(LauncherUtil.java:101)
        at oracle.ide.osgi.boot.OracleIdeLauncher.main(OracleIdeLauncher.java:80)</p>
  </blockquote>
  
  <p>as I said I tired to re install sqldeveloper and it gives the same error.</p>