tag:blogger.com,1999:blog-8712770457197348465.post4925529764363638095..comments2024-03-18T23:01:42.768-07:00Comments on Javarevisited: How to resolve java.lang.UnsupportedClassVersionError:Unsupported major.minor version 49.0 to 65 with examplejavin paulhttp://www.blogger.com/profile/15028902221295732276noreply@blogger.comBlogger25125tag:blogger.com,1999:blog-8712770457197348465.post-36129038490323244762023-10-23T21:41:49.681-07:002023-10-23T21:41:49.681-07:00Thankfulness to my father who informed me on the
...Thankfulness to my father who informed me on the <br />topic of this blog, this weblog is truly awesome.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-8712770457197348465.post-49917205950653188162021-09-24T07:13:35.624-07:002021-09-24T07:13:35.624-07:00How to customize this error and show a validation ...How to customize this error and show a validation message to user so that the user can understand about Java version compatibility?Pruthivirajhttps://www.blogger.com/profile/08616743474011150884noreply@blogger.comtag:blogger.com,1999:blog-8712770457197348465.post-72542008778873214382018-10-04T13:24:48.660-07:002018-10-04T13:24:48.660-07:00Thank you very much!Thank you very much!Anonymoushttps://www.blogger.com/profile/01857165650526437253noreply@blogger.comtag:blogger.com,1999:blog-8712770457197348465.post-87917491835519333892016-08-01T03:24:42.924-07:002016-08-01T03:24:42.924-07:00Hello there, I am getting "java.lang.unsuppor...Hello there, I am getting "java.lang.unsupportedclassversionerror unsupported major.minor version 50.0" while running a Java program in our production environment. We are still running on Java 1.5 but the build used to work before.<br /><br /> <br />Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-8712770457197348465.post-21034037437176600092016-05-28T05:30:41.778-07:002016-05-28T05:30:41.778-07:00@Vijay Kulkarni, didn't get the context, are y...@Vijay Kulkarni, didn't get the context, are you describing how did you fix the java.lang.UnSupportedClassVersionError in Eclipse IDE?javin paulhttps://www.blogger.com/profile/15028902221295732276noreply@blogger.comtag:blogger.com,1999:blog-8712770457197348465.post-70722194191593261992016-05-25T00:20:30.281-07:002016-05-25T00:20:30.281-07:00Rework on the settings and attach the compiler sam...Rework on the settings and attach the compiler same as mentioned in Properties->Java Compiler, of eclipse setup. Rebuild the project. If necessary delete the class files manually and rebuild the projectto viewhttps://www.blogger.com/profile/17839437653079093386noreply@blogger.comtag:blogger.com,1999:blog-8712770457197348465.post-23808338167334306182016-02-18T02:57:37.871-08:002016-02-18T02:57:37.871-08:00Great post, than you very much!Great post, than you very much!Anonymoushttps://www.blogger.com/profile/04229084223176371119noreply@blogger.comtag:blogger.com,1999:blog-8712770457197348465.post-64414654679425258772015-09-24T07:50:36.417-07:002015-09-24T07:50:36.417-07:00Another probable case of seeing this error is, whe...Another probable case of seeing this error is, when you have a serialization issue.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-8712770457197348465.post-45142488739087162892015-04-06T21:24:33.945-07:002015-04-06T21:24:33.945-07:00Hello there, I am getting "java.lang.unsuppor...Hello there, I am getting "java.lang.unsupportedclassversionerror unsupported major.minor version 50.0" while running a Java program in our production environment. We are still running on Java 1.5 but the build used to work before. Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-8712770457197348465.post-38077183550891622472015-04-06T16:36:10.804-07:002015-04-06T16:36:10.804-07:00Hello admin, I am getting "Exception in threa...Hello admin, I am getting "Exception in thread "main" java.lang.UnsupportedClassVersionError: HelloWorld : Unsupported major.minor version 51.0" error while trying to run my HelloWorld class from command line. Can you please help to fix this error?Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-8712770457197348465.post-70267414538072445552014-04-05T22:12:43.313-07:002014-04-05T22:12:43.313-07:00I did this error, while working with Murex before,...I did this error, while working with Murex before, especially while installing Murex on one of our test box, which was running on Java 5 from long time. If you are installing MError message Exception in thread "main" java.lang.UnsupportedClassVersionError: org/apache/lucene/document/Fieldable (Unsupported major.minor version 48.0) means that your java version is not suitable for Murex. Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-8712770457197348465.post-61659939841585446272013-07-24T22:03:30.136-07:002013-07-24T22:03:30.136-07:00Hello, I am getting following error message :
Exce...Hello, I am getting following error message :<br />Exception in thread "main" java.lang.UnsupportedClassVersionError (Unsupported major.minor version 48.0), while running a Java application? We have Java version 1.5 installed on Server, Please advise?Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-8712770457197348465.post-43545767416653784552013-04-27T20:24:41.899-07:002013-04-27T20:24:41.899-07:00Why java errors are so hard t solve. There are man...Why java errors are so hard t solve. There are many Like this which takes long time to fixAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-8712770457197348465.post-59754445578783501452012-10-24T21:27:17.732-07:002012-10-24T21:27:17.732-07:00Hello, What is cause of How to fix java.lang.unsup...Hello, What is cause of How to fix java.lang.unsupportedclassversionerror unsupported major.minor version 50.0, It Seems everything on my PATH and Classpath are fine and I am using Java 6 ?Reenanoreply@blogger.comtag:blogger.com,1999:blog-8712770457197348465.post-76591290964658866432012-10-24T21:16:44.202-07:002012-10-24T21:16:44.202-07:00I am getting java.lang.unsupportedclassversionerro...I am getting java.lang.unsupportedclassversionerror unsupported major.minor version while building by Java application using ANT build file. My JDK version are 1.6.20, Please help me to fix this error.Zachnoreply@blogger.comtag:blogger.com,1999:blog-8712770457197348465.post-63131752195149625162012-09-05T06:47:26.367-07:002012-09-05T06:47:26.367-07:00Nice one..easy to understand.Nice one..easy to understand.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-8712770457197348465.post-81963710302595975302012-07-17T11:53:15.902-07:002012-07-17T11:53:15.902-07:00I was getting this error as the system variables P...I was getting this error as the system variables PATH, JAVA_HOME were not set correctly and I had not restarted my system after setting these.Nehanoreply@blogger.comtag:blogger.com,1999:blog-8712770457197348465.post-39130386626683108822012-07-13T01:04:28.441-07:002012-07-13T01:04:28.441-07:00Real cause of java.lang.UnsupportedClassVersionErr...Real cause of java.lang.UnsupportedClassVersionError: Bad version number in .class file is having different version of Javac compiler and JRE version during build and deployment process. suppose you are creating your build with JDK 1.6 compiler but your web server or application server is running on JRE 1.5 which is lower source version than you will get this error whenever that particular class Vividhanoreply@blogger.comtag:blogger.com,1999:blog-8712770457197348465.post-58155076377155229802012-01-26T01:13:05.851-08:002012-01-26T01:13:05.851-08:00Had on mac OSX
Exception in thread "main&quo...Had on mac OSX<br /><br />Exception in thread "main" java.lang.UnsupportedClassVersionError: Bad version number in .class file<br /><br />Problem was solved by:<br /><br />Clearing the cache in Java preferences<br />open "/Applications/Utilities/Java Preferences.app"Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-8712770457197348465.post-18267583765227547202012-01-05T04:38:39.362-08:002012-01-05T04:38:39.362-08:00is it possible to use from 1.5 a child class ...is it possible to use from 1.5 a child class loader with version java version 1.6.<br /><br />I mean something what C/C++ can do when needs to use java code and runs a JVM in v 1.5 or 1.6, depending on needs.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-8712770457197348465.post-82838345365625869142011-12-28T00:09:36.590-08:002011-12-28T00:09:36.590-08:00@Anonymous here is what Javadoc says "UnSuppo...@Anonymous here is what Javadoc says "UnSupportedClassVersionError thrown when the Java Virtual Machine attempts to read a class file and determines that the major and minor version numbersin the file are not supported.<br /><br />by the way "java.lang.UnsupportedClassVersionError: Bad version number in .class file" comes when you compile your source code in higher JDK and running Rickynoreply@blogger.comtag:blogger.com,1999:blog-8712770457197348465.post-85143693445842100612011-12-27T20:42:18.039-08:002011-12-27T20:42:18.039-08:00Does java.lang.UnsupportedClassVersionError: Bad v...Does java.lang.UnsupportedClassVersionError: Bad version number in .class file is also comes due to same reason ? we are getting this error in Java and JSP code and appreciate your help .Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-8712770457197348465.post-22505285815199426142011-12-27T20:37:23.127-08:002011-12-27T20:37:23.127-08:00java.lang.UnsupportedClassVersionError Comes not b...java.lang.UnsupportedClassVersionError Comes not because of different JDK at compile time at run-time but an higher JDK during compile time and lower JDK during runtime.Surajnoreply@blogger.comtag:blogger.com,1999:blog-8712770457197348465.post-29000785596582060072011-12-16T08:37:52.552-08:002011-12-16T08:37:52.552-08:00I like very much your all explanation for answers ...I like very much your all explanation for answers about all java hectic questions. thank you so much for sharing your knowledge. It will definitely help us in interview.Snehanoreply@blogger.comtag:blogger.com,1999:blog-8712770457197348465.post-84473361317347511702011-07-28T21:48:59.355-07:002011-07-28T21:48:59.355-07:00Hi I am trying to run my program and getting below...Hi I am trying to run my program and getting below error:<br /><br />java.lang.UnsupportedClassVersionError: Bad version number in .class file<br /> at java.lang.ClassLoader.defineClass1(Native Method)<br /> at java.lang.ClassLoader.defineClass(Unknown Source)<br /> at java.security.SecureClassLoader.defineClass(Unknown Source)<br /> at Anonymousnoreply@blogger.com