https://community.splunk.com/t5/Installation/dbx-verison-1-2-0-failure-to-start-the-java-bridge/m-p/186572#M10007 <P>DBX 1.2 only support Jre 1.8. </P> Tue, 12 May 2015 19:17:49 GMT bwang_splunk 2015-05-12T19:17:49Z https://community.splunk.com/t5/Installation/dbx-verison-1-2-0-failure-to-start-the-java-bridge/m-p/186571#M10006 <P>I upgraded the dbx app version 1 to 1.2.0<BR /> and the java is pointing to /usr/lib/jvm/java-7-oracle-amd64</P> <P>but it fails to load and report in jbridge.log</P> <P>&gt; <BR /> 2015-05-12 19:06:10,074 ERROR Java process returned error code 1! Error: Exception in thread "main" java.lang.UnsupportedClassVersionError: com/splunk/bridge/JavaBridgeServer : 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 sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:482) <BR /> 2015-05-12 19:06:10,074 ERROR Command output: None</P> Tue, 12 May 2015 19:12:58 GMT https://community.splunk.com/t5/Installation/dbx-verison-1-2-0-failure-to-start-the-java-bridge/m-p/186571#M10006 yannK 2015-05-12T19:12:58Z https://community.splunk.com/t5/Installation/dbx-verison-1-2-0-failure-to-start-the-java-bridge/m-p/186572#M10007 <P>DBX 1.2 only support Jre 1.8. </P> Tue, 12 May 2015 19:17:49 GMT https://community.splunk.com/t5/Installation/dbx-verison-1-2-0-failure-to-start-the-java-bridge/m-p/186572#M10007 bwang_splunk 2015-05-12T19:17:49Z https://community.splunk.com/t5/Installation/dbx-verison-1-2-0-failure-to-start-the-java-bridge/m-p/186573#M10008 <P>yes, this is the reason:</P> <P>"Supported versions: DB Connect 1.1.x requires Java 1.6 or 1.7 only. DB Connect 1.2 requires Java 8 only. DB Connect 2.0 requires Java 8 only."</P> <P><A href="http://docs.splunk.com/Documentation/DBX/1.2.0/DeployDBX/Deploymentrequirements#Java_Runtime_Environment_.28JRE.29">http://docs.splunk.com/Documentation/DBX/1.2.0/DeployDBX/Deploymentrequirements#Java_Runtime_Environment_.28JRE.29</A></P> Tue, 12 May 2015 19:18:40 GMT https://community.splunk.com/t5/Installation/dbx-verison-1-2-0-failure-to-start-the-java-bridge/m-p/186573#M10008 yannK 2015-05-12T19:18:40Z