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Java Error Unsupported Major Minor Version 50.0

If your application is deployed using webstart you can specify the minimum version required. Java Program to Count Words in a File using java.u... 6 ways to Iterate elements in a HashMap in java w... java share|improve this question asked Oct 6 '09 at 14:31 Gourav 2512515 add a comment| 6 Answers 6 active oldest votes up vote 14 down vote You have a mismatch between I ran: JAVA_HOME=/usr/lib/jvm/java-7-openjdk-i386 The error is misleading, Unsupported major.minor version 51.0. have a peek at this web-site

I hope it helps someone. JRE 6 -> JDK 6 JRE 7 -> JDK 7 And so on. It is an optional file which tells the system which commands to run when the user whose profile file it is logs in. you have the java executable in multiple locations specified in the PATH variable, then the first one encountered when going from left to right will be the one that is executed.

Checking in/deploying by .class file will cause serious issues later. If you want to develop Java programs then install the java-1.7.0-openjdk-devel package. Other Java debugging and troubleshooting articles How to remote debugging Java application in Eclipse 10 Java debugging tips in Eclipse IDE How to fix java.util.NoSuchElementException in Java How to fix java.sql.SQLException: share|improve this answer edited Nov 7 '14 at 14:28 Peter Mortensen 10.3k1369107 answered Sep 1 '14 at 8:02 Ben 8313 add a comment| up vote 7 down vote When I installed

It needs to be "crosscompiled" for backward compatibility. Linked -2 Java error, please help me out 40 java.lang.UnsupportedClassVersionError 4 Very simple problem with my first “Hello World” Java code 0 Problems when deploying a War compiled with a 1.6.0.24 asked 4 years ago viewed 1170907 times active 6 days ago Blog Stack Overflow Podcast #91 - Can You Stump Nick Craver? What does this mean and what can I do about it?

No amount of Maven Update Project and/or refreshing solved this. Resolving the problem There are several options that you can use to resolve this problem.: 1) Upgrade the runtime Java to the one that is needed. If you stil have the error with same Java version: try to delete build folder of your project manually. Could not create the Java virtual machine Invalid ...

What would You-Know-Who want with Lily Potter? Write file in UTF-8 encoding using java.nio.file.... Top 10 Servlet JSP Interview Questions for Java J2... WMQ 7.1 ships a JRE at level 1.6 (major.minor 50) UNIX: /opt/mqm/java/jre/bin/java AIX: /usr/mqm/java/jre/bin/java Windows: C:\Program Files\IBM\WebSphere MQ\java\jre\bin\java.exe WMQ FTE 7.0.3 and 7.0.4 ship the JRE at level 1.6.

Example to convert web application to maven based in Eclipse. It is actually simple - you need to install BOTH JRE / JDK with the same version. Java is backward compatible i.e. java.lang.UnsupportedClassVersionError: com/ibm/protrace/gui/MainApplication (Unsupported major.minor version 49.0) Cause For the specific sample in this technote, the problem is that the executable was compiled with Java 1.5 (major 49) but the runtime is

If using Linux, you can use the command "file" to find out the version of Java used to compile the Java class file that you are trying to run, for example: Check This Out It is built on WordPress, hosted by Liquid Web, and the caches are served by CloudFlare CDN. EDIT : WAS 5.1 uses JDK 1.4, it would appear. Java program to read File in Java - Windows UNIX ► September (25) ► August (37) ► July (3) Powered by Blogger.

HTH share|improve this answer answered Jun 18 '14 at 16:29 Matthew Wise 831815 add a comment| up vote 1 down vote You have compiled your Java class with JDK 7 and Then select Compiler Compliance Level to 1.7, 1.6 or 1.5, build and test your app. –Vivek Kumar Ray Aug 16 '13 at 9:55 More details please see the link To put it another way, there is a mismatch between source and target Java versions. Source jre is Java RunTime environment , To create java apps , you need jdk as well –CyprUS Apr 30 '12 at 11:30 yes i did, and now my path

short version: Compile with JDK7, Run with JDK6, get this. –Warren P Oct 7 '13 at 4:00 4 In java ClassName should Be Start with Capital letter ;) –Ashish Panery When I changed this to a JDK from the 1.6 or 1.7 series, the error was gone. Then restart Eclipse.

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I think the problem here is about versions; some version of Java may be old or too new. J2SE 8 = 52 J2SE 7 = 51 J2SE 6.0 = 50 J2SE 5.0 = 49 JDK 1.4 = 48 JDK 1.3 = 47 JDK 1.2 = 46 JDK 1.1 = And we should use Java 6. There are several different ways to do this depending on the environment.

I compiled the below calss in jdk1.6.0_23 //Proper1.java (For the whole program , visit here Proper1.java) class Proper1 { public static String Proper(String line) throws IOException{ StringReader in = new StringReader(line); This gives the impression that version 51 (Java 7) is not supported. String contains() and indexOf() Example - Check St... http://canondrivebh.com/java-error/java-error-exception-in-thread-main-java-lang-noclassdeffounderror.html Process for valuing items for customs purposes at the Canadian border Recruiter wants me to take a loss upon hire Were students "forced to recite 'Allah is the only God'" in

Example using MySql how to display images in dataTable using p:graphicImage in Primefaces Categories ajax Android chart collection cordova core java date Design Pattern DOM eclipse error FIleUpload Filters Hello World For example, your .class file could have been compiled for JDK 7, and you're trying to run it with JDK 6.