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 Stack Overflow by ERJAN

    This exception occurs when using an older version of java. Mainly when trying to run a jar compiled with a newer Java version in an older Java version. We can avoid this issue by executing the jar in the same version which it was compiled.

  2. ,
    Expert tip

    This might be caused by and outdated version of Java, SonarQube now uses Java 8 as default. You might upgrade java or use an older version of SonarQube.

Solutions on the web

via com.br by Unknown author, 1 year ago
Bad version number in .class file
via Stack Overflow by Daneel S. Yaitskov
, 1 year ago
Ooo has been compiled by a more recent version of the Java Runtime (class file version 0.0), this version of the Java Runtime only recognizes class file versions up to 52.0
via sourceforge.net by Unknown author, 2 years ago
Bad version number in .class file
via GitHub by dequis
, 2 years ago
MCPCPlusXNmsBlock_147 : Unsupported major.minor version 51.0
via jetbrains.com by Unknown author, 2 years ago
Bad version number in .class file
via Google Groups by dehrmann, 2 years ago
java.lang.UnsupportedClassVersionError: Bad version number in .class file	at java.lang.ClassLoader.defineClass1(Native Method)	at java.lang.ClassLoader.defineClass(Unknown Source)	at java.lang.ClassLoader.defineClass(Unknown Source)	at dori.jasper.engine.util.JRClassLoader.loadClass(JRClassLoader.java:247)	at dori.jasper.engine.util.JRClassLoader.loadClassFromBytes(JRClassLoader.java:162)	at dori.jasper.engine.design.JRAbstractJavaCompiler.loadCalculator(JRAbstractJavaCompiler.java:197)	at dori.jasper.engine.design.JRDefaultCompiler.loadCalculator(JRDefaultCompiler.java:184)	at dori.jasper.engine.fill.JRBaseFiller.loadCalculator(JRBaseFiller.java:630)	at dori.jasper.engine.fill.JRBaseFiller.(JRBaseFiller.java:327)	at dori.jasper.engine.fill.JRVerticalFiller.(JRVerticalFiller.java:124)	at dori.jasper.engine.fill.JRVerticalFiller.(JRVerticalFiller.java:116)	at dori.jasper.engine.fill.JRFiller.fillReport(JRFiller.java:111)	at dori.jasper.engine.JasperFillManager.fillReport(JasperFillManager.java:222)	at dori.jasper.engine.JasperFillManager.fillReport(JasperFillManager.java:209)	at Utilities.abrirRelatorioJasper(Utilities.java:848)	at Utilities.geraRelatorioJasper(Utilities.java:805)	at RegrasGuiaOdontologica.mouseReleased(RegrasGuiaOdontologica.java:152)	at java.awt.AWTEventMulticaster.mouseReleased(Unknown Source)	at java.awt.Component.processMouseEvent(Unknown Source)	at javax.swing.JComponent.processMouseEvent(Unknown Source)	at java.awt.Component.processEvent(Unknown Source)	at java.awt.Container.processEvent(Unknown Source)	at java.awt.Component.dispatchEventImpl(Unknown Source)	at java.awt.Container.dispatchEventImpl(Unknown Source)	at java.awt.Component.dispatchEvent(Unknown Source)	at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)	at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)	at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)	at java.awt.Container.dispatchEventImpl(Unknown Source)	at java.awt.Window.dispatchEventImpl(Unknown Source)	at java.awt.Component.dispatchEvent(Unknown Source)	at java.awt.EventQueue.dispatchEvent(Unknown Source)	at java.awt.EventDispatchThread.pumpOneEventForHierarchy(Unknown Source)	at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)	at java.awt.EventDispatchThread.run(Unknown Source)