Created On: 6 August 2010 Problem Product Name: VisiBroker for Java Platform/OS version: All The following exception is encountered when VisiBroker ORB is started. java.lang.UnsupportedClassVersionError: Bad version number in .class file at java.lang.ClassLoader.defineClass2(Native Method) at java.lang.ClassLoader.defineClass(Unknown Source) ... at com.inprise.vbroker.orb.ORB.initializeServices(Unknown Source) at com.inprise.vbroker.orb.ORB.initialize(Unknown Source) at com.inprise.vbroker.orb.ORB.set_parameters(Unknown Source) at org.omg.CORBA.ORB.init(Unknown Source) Resolution SUN maintains forward compatibility for the compiled classes. A Java application compiled in JDK 1.5 can be run with JRE 6.0. However, an application compiled in JDK 1.5 will encountered the UnSupportedClassVersionError when run with a lower JDK like JRE 1.4.2. The common root cause of the issue is the JAVA_HOME is pointed to a lower version of the JDK. Follow the steps below to set the path and run the application again. · PATH=/bin:$PATH · export PATH · which java · java -version · Run the application
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