Hi, I had the same problem after upgrade to 2.6. As a workaround, i have uninstalled java-1.8.0-openjdk*, and postgresql-jdbc-9.4.1207-3.rhel6.noarch because of dependencies.
Then I've installed postgresql-jdbc-8.4.704-2.el6.noarch and now takomatic works > Hello All, > > > > I just upgraded to Spacewalk 2.6 and everything seems to be working > fine with the exception of Taskomatic which will not fire up… From > the Taskomatic log: > > > > STATUS | wrapper | 2016/12/14 16:03:25 | Launching a JVM... > > ERROR | wrapper | 2016/12/14 16:03:25 | JVM exited while loading the > application. > > INFO | jvm 5 | 2016/12/14 16:03:25 | Exception in thread "main" > java.lang.UnsupportedClassVersionError: > com/redhat/rhn/taskomatic/core/TaskomaticDaemon : Unsupported > major.minor version 51.0 > > INFO | jvm 5 | 2016/12/14 16:03:25 | at > java.lang.ClassLoader.defineClass1(Native Method) > > INFO | jvm 5 | 2016/12/14 16:03:25 | at > java.lang.ClassLoader.defineClass(ClassLoader.java:648) > > INFO | jvm 5 | 2016/12/14 16:03:25 | at > java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) > > INFO | jvm 5 | 2016/12/14 16:03:25 | at > java.net.URLClassLoader.defineClass(URLClassLoader.java:277) > > INFO | jvm 5 | 2016/12/14 16:03:25 | at > java.net.URLClassLoader.access$000(URLClassLoader.java:73) > > INFO | jvm 5 | 2016/12/14 16:03:25 | at > java.net.URLClassLoader$1.run(URLClassLoader.java:212) > > INFO | jvm 5 | 2016/12/14 16:03:25 | at > java.net.URLClassLoader$1.run(URLClassLoader.java:206) > > INFO | jvm 5 | 2016/12/14 16:03:25 | at > java.security.AccessController.doPrivileged(Native Method) > > INFO | jvm 5 | 2016/12/14 16:03:25 | at > java.net.URLClassLoader.findClass(URLClassLoader.java:205) > > INFO | jvm 5 | 2016/12/14 16:03:25 | at > java.lang.ClassLoader.loadClass(ClassLoader.java:325) > > INFO | jvm 5 | 2016/12/14 16:03:25 | at > sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:296) > > INFO | jvm 5 | 2016/12/14 16:03:25 | at > java.lang.ClassLoader.loadClass(ClassLoader.java:270) > > INFO | jvm 5 | 2016/12/14 16:03:25 | at > sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:406) > > FATAL | wrapper | 2016/12/14 16:03:25 | There were 5 failed launches > in a row, each lasting less than 300 seconds. Giving up. > > FATAL | wrapper | 2016/12/14 16:03:25 | There may be a > configuration problem: please check the logs. > > STATUS | wrapper | 2016/12/14 16:03:25 | <-- Wrapper Stopped > > > > Any help/insight would be much appreciated… > > > > Cheers!
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