Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Samebug tips

  1. ,
    via GitHub by Athou

    You're using an older version of java with classes compiled for java7

  2. ,
    via Google Groups by Marcus Haebler

    Update "latest" to Java 8 on DockerHub.

Solutions on the web

via GitHub by gigglespirit
, 2 years ago
SampleExtension : Unsupported major.minor version 51.0
via Stack Overflow by Marine
, 5 months ago
time/TimeExtension : Unsupported major.minor version 52.0
via GitHub by mattsap
, 2 years ago
SampleExtension : Unsupported major.minor version 51.0
via portswigger.net by Unknown author, 1 year ago
burp/BurpExtender : Unsupported major.minor version 51.0
via Stack Overflow by user2993815
, 2 years ago
javax/servlet/http/HttpSession : Unsupported major.minor version 51.0
java.lang.UnsupportedClassVersionError: TimeExtension : Unsupported major.minor version 51.0	at java.lang.ClassLoader.defineClass1(Native Method)	at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631)	at java.lang.ClassLoader.defineClass(ClassLoader.java:615)	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)	at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)	at java.net.URLClassLoader.access$000(URLClassLoader.java:58)	at java.net.URLClassLoader$1.run(URLClassLoader.java:197)	at java.security.AccessController.doPrivileged(Native Method)	at java.net.URLClassLoader.findClass(URLClassLoader.java:190)	at java.lang.ClassLoader.loadClass(ClassLoader.java:306)	at java.net.FactoryURLClassLoader.loadClass(URLClassLoader.java:627)	at java.lang.ClassLoader.loadClass(ClassLoader.java:247)	at org.nlogo.workspace.ExtensionManager.getClassManager(ExtensionManager.java:404)	at org.nlogo.workspace.ExtensionManager.importExtension(ExtensionManager.java:170)	at org.nlogo.compiler.StructureParser.parseImport(StructureParser.scala:459)	at org.nlogo.compiler.StructureParser.parse(StructureParser.scala:196)	at org.nlogo.compiler.CompilerMain$.compile(CompilerMain.scala:25)	at org.nlogo.compiler.Compiler$.compileProgram(Compiler.scala:28)	at org.nlogo.window.CompilerManager.compileProcedures(CompilerManager.java:107)	at org.nlogo.window.CompilerManager.compileAll(CompilerManager.java:87)	at org.nlogo.window.CompilerManager.handle(CompilerManager.java:309)	at org.nlogo.window.Events$CompileAllEvent.beHandledBy(Events.java:175)	at org.nlogo.window.Event.doRaise(Event.java:198)	at org.nlogo.window.Event.raise(Event.java:122)	at org.nlogo.app.ProceduresTab.recompile(ProceduresTab.scala:125)	at org.nlogo.app.ProceduresTab.handle(ProceduresTab.scala:103)	at org.nlogo.app.Events$SwitchedTabsEvent.beHandledBy(Events.java:42)	at org.nlogo.window.Event.doRaise(Event.java:198)	at org.nlogo.window.Event.raise(Event.java:122)	at org.nlogo.app.Tabs.stateChanged(Tabs.scala:45)	at javax.swing.JTabbedPane.fireStateChanged(JTabbedPane.java:400)	at javax.swing.JTabbedPane$ModelListener.stateChanged(JTabbedPane.java:253)	at javax.swing.DefaultSingleSelectionModel.fireStateChanged(DefaultSingleSelectionModel.java:116)	at javax.swing.DefaultSingleSelectionModel.setSelectedIndex(DefaultSingleSelectionModel.java:50)	at javax.swing.JTabbedPane.setSelectedIndexImpl(JTabbedPane.java:599)	at javax.swing.JTabbedPane.setSelectedIndex(JTabbedPane.java:574)	at javax.swing.plaf.basic.BasicTabbedPaneUI$Handler.mousePressed(BasicTabbedPaneUI.java:3628)	at java.awt.Component.processMouseEvent(Component.java:6294)	at javax.swing.JComponent.processMouseEvent(JComponent.java:3275)	at java.awt.Component.processEvent(Component.java:6062)	at java.awt.Container.processEvent(Container.java:2039)	at java.awt.Component.dispatchEventImpl(Component.java:4660)	at java.awt.Container.dispatchEventImpl(Container.java:2097)	at java.awt.Component.dispatchEvent(Component.java:4488)	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4575)	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4233)	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4166)	at java.awt.Container.dispatchEventImpl(Container.java:2083)	at java.awt.Window.dispatchEventImpl(Window.java:2489)	at java.awt.Component.dispatchEvent(Component.java:4488)	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:674)	at java.awt.EventQueue.access$400(EventQueue.java:81)	at java.awt.EventQueue$2.run(EventQueue.java:633)	at java.awt.EventQueue$2.run(EventQueue.java:631)	at java.security.AccessController.doPrivileged(Native Method)	at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)	at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:98)	at java.awt.EventQueue$3.run(EventQueue.java:647)	at java.awt.EventQueue$3.run(EventQueue.java:645)	at java.security.AccessController.doPrivileged(Native Method)	at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)	at java.awt.EventQueue.dispatchEvent(EventQueue.java:644)	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)	at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)