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Java Error Unsupported Major.minor Version 51.0

asked 2 years ago viewed 125557 times active 1 year ago Get the weekly newsletter! MMO-Champion MMO-Champion Keep ahead with the champions of WoW coverage. share|improve this answer edited Jul 23 '14 at 18:34 Peter Mortensen 10.4k1372108 answered May 2 '13 at 18:58 Cacovsky 1,7191524 3 In eclipse, sometime project facets also need to be What does this mean and what can I do about it? have a peek at this web-site

posted 4 years ago 1 Apache Ant has nothing to do with this. Sign up for Free! Similarly if you compile Java program in Java 1.7 it will create class file with major version 51.0 and if you run that on lower java version you will get java.lang.unsupportedclassversionerror How to get inverse of formula for sum of integers from 1 to n?

See also: unsupported major .minor version 51.0 share|improve this answer answered Jun 15 '12 at 23:01 Matzi 10.6k21539 add a comment| up vote 1 down vote If you are using Netbeans UNIX command to find symbolic link or soft link in... If you want to develop Java programs then install the java-1.7.0-openjdk-devel package.

It's actually pretty easy to upgrade your JVM. 1) Download the latest Java 7 JRE. 2) Install the downloaded JRE. 3) Go to Add/Remove programs and remove the old JRE version install the appropriate JDK. And my compiler was 1.6.0_32. Unsupported major.minor version x.x Q: I have created an application in Java 7, but when my users try to run it they get an Unsupported major.minor version 51.0 error.

Choose the Compiler compliance level you want, as shown below : Choose 1.6 if you want to run your program on Java 6 JVM, choose 1.7 if you want to execute Thanks in advance. Java 8 Update 60 on OSX 10.10.5 Exception in thread "main" java.lang.UnsupportedClassVersionError: org/eclipse/jgit/lib/Repository : Unsupported major.minor version 51.0 at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClassCond(ClassLoader.java:637) at java.lang.ClassLoader.defineClass(ClassLoader.java:621) 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) http://stackoverflow.com/questions/20690143/java-unsupported-major-minor-version-51-0 Stay logged in Bukkit Forums Home Forums > Bukkit > Plugin Development > Home Home Quick Links Recent Activity What's New?

asdfaf11, Dec 30, 2011 #7 Offline ItsHarry My BukkitDev ProfileMy Plugins (0) The problem is probably how you start the server up, the batch file you're using is probably for JAVA How to calculate Large Factorials using BigInteger... Model B - SSH not working with fresh install early park admission to universal's island of adventure A Mechanical System in Tikz A test question, complete the sentence? Is there a word for "to be physically removed from" a public place, involuntarily?

Best way to convert numbers to String in Java Difference between primary key vs Candidate Key in... https://www.mkyong.com/java/java-unsupported-major-minor-version-51-0/ I'll try that from the command line just so I can familiarise myself a bit more from that angle. I had set the JRE but not the compiler compliance level; this fixed it. –wchargin Jan 26 '14 at 1:52 And how did you draw the conclusion from the I think the problem started when I decided to use 'git' in conjunction with 'dropbox' so that I could access 'the same workspace' with both my works windows laptop and my

Is cheese seasoned by default? Check This Out JDK is the superset of JRE along with compliers and debuggers. compiled it) is newer. Should it works?Click to expand...

share|improve this answer edited Nov 7 '14 at 14:28 Peter Mortensen 10.4k1372108 answered Sep 1 '14 at 8:02 Ben 9313 add a comment| up vote 8 down vote When I installed Java program to calculate Simple Interest - homewo... String contains() and indexOf() Example - Check St... Source See also: Debian/Ubuntu To check which java (openjdk) you've installed, check via: dpkg -l "openjdk*" | grep ^i You may use: sudo update-alternatives --config java to select the alternative java version.

How to create a darknet/Tor web site in Linux? In read me file of cloudsim 3.0 is written : Java 6 or newer is required. An interesting definite integral 1 What does Parity logs means?

How to Search Element in Java Array with Example How to fix java.lang.unsupportedclassversionerror ...

Which Java Certification will you take? Check your PATH environment variable to see if you have correct Java in your path or not. Java 8 - Journey of for loop in Java, for(index) t... SCJP 1.4 - SCJP 6 - SCWCD 5 - OCEEJBD 6 - OCEJPAD 6 How To Ask Questions How To Answer Questions Sara Bony Greenhorn Posts: 18 posted 4 years

Must I download it ? –user3120480 Dec 19 '13 at 19:43 1 @user3120480:- No you dont need to download eclipse if you dont have then you may try with apt-get But remains a question. The funny thing was that running Ant from the Windows command line was running fine, so it had to be a configuration issue within Eclipse. http://wirelessready.org/java-error/java-error-subclasses.html Should I install the JDK, and setup my path variable to the JDK instead of JRE?

Thread Status: Not open for further replies. I noticed this is an old thread but other people just might run into the same problem and Google it to find this (as I did). 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: Descriptive example of Cicero's style Shortest code to produce non-deterministic output Sales tax rate for hotel in Washington DC Did Hillary Clinton propose to punish flag burners in 2005?

which javac will tell you the location, for example, /usr/bin/javac. JRE 6, 5 or 4. Add the required JRE by selecting the library in the list available after the search is complete. Using default configuration: logging only errors to the console How-To: Java Regex - Matcher (java.util.regex.Matcher) Tutorial Getting ‘java.net.UnknownHostException: LAPTOP-23876346: nodename nor servname provided, or not known' Error on MAC OS X?

share|improve this answer edited Nov 7 '14 at 14:25 Peter Mortensen 10.4k1372108 answered Sep 24 '14 at 1:27 Siddharth 6782715 add a comment| up vote 3 down vote How do I Join them; it only takes a minute: Sign up Java Stacktrace error Unsupported major.minor version 51.0 [duplicate] up vote 11 down vote favorite 2 Possible Duplicate: unsupported major .minor version 51.0 share|improve this answer edited Nov 18 at 12:19 answered Mar 26 '15 at 9:42 Vihung 4,409103357 add a comment| up vote 2 down vote I had the problem whereby I was Just run directly using /usr/bin/java .

Then I found out that I can provide the compiler version in the Ant script. Now how to solve it? Browse Core Curse MMO-Champion WowStead CurseForge WowAce SkyrimForge SC2Mapster LoLPro ExilePro Bukkit Forums Community Minecraft Forum Terraria Online Arena Junkies Guild Wars 2 Guru DiabloFans FPS General DarthHater Defiance Forum Wildstar More information about this error is available in blog post New javac warning for setting an older source without bootclasspath.