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Java Error Unsupported Major Minor Version 50.0

Submit feedback to IBM Support 1-800-IBM-7378 (USA) Directory of worldwide contacts Contact Privacy Terms of use Accessibility Toggle navigation AndroidJava Core Java I/OJava XMLJava JSONJava RegExJDBCSpring Spring CoreSpring MVCSpring SecuritySpring Exit the editor, then type the following command make it become effective source ~/.profile Then type java -version to check the result java -version What is .profile file? .profile file is As for me, it's 1.6 for jre 1.6 –Sam Sep 25 '13 at 14:58 4 This may occur when compiler source is set in non-compliance with currently compiling JRE/JDK. share|improve this answer edited Nov 7 '14 at 14:25 Peter Mortensen 10.3k1369107 answered Sep 24 '14 at 1:27 Siddharth 6531715 add a comment| up vote 1 down vote I had the click site

Because it has attracted low-quality or spam answers that had to be removed, posting an answer now requires 10 reputation on this site (the association bonus does not count). Linked 232 Unsupported major.minor version 52.0 125 java.lang.UnsupportedClassVersionError Unsupported major.minor version 51.0 75 Exception in thread “main” java.lang.UnsupportedClassVersionError: a (Unsupported major.minor version 51.0) 50 Java unsupported major minor version 52.0 40 share|improve this answer edited Mar 2 '15 at 8:01 answered Mar 10 '14 at 11:01 Thamme Gowda N 2,4211727 a snippet on how to use the plugin to cross-compilte Is it illegal for regular US citizens to possess or read the Podesta emails published by WikiLeaks?

Java program to calculate Simple Interest - homewo... 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 the configurations are confusing you can always give absolute path /home/user/jdk1.7.0_11/bin/javac and /home/user/jdk1.7.0_11/bin/java. If you want to develop Java programs then install the java-1.7.0-openjdk-devel package.

I hope it helps someone. Nest a string inside an array n times Could winds of up to 150 km/h impact the structural loads on a Boeing 777? share|improve this answer answered Jul 23 '12 at 12:15 false9striker 1,20922126 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign The error should have been: The current Java version, 50, is unsupported.

So basically you must have compiled your code with a higher version and trying to run it using a lower version. UNIX command to find symbolic link or soft link in... Watson Product Search Search None of the above, continue with my search Runtime Java error: Unsupported major.minor - UnsupportedClassVersionError Java version Unsupported major.minor version 49.0 Technote (troubleshooting) Problem(Abstract) You compile and What is difference between primary key and unique ...

I use Eclipse for my application development, and I changed the compiler version in build properties of the project. Make sure you use the same JDK version in these different boxes. For example, if you are trying to run a jar file using the "java" executable provided with WMQ FTE 7.0.4 in Linux, you can issue: /opt/IBM/WMQFTE/java/jre/bin/java -jar file.jar Cross reference information 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:

java jvm incompatibility unsupported-class-version share|improve this question edited Oct 11 at 18:49 Victor Stafusa 5,31763054 asked Apr 30 '12 at 11:28 ERJAN 6,32951635 did you install jdk as well Java Code to find Prime Factors of a Number. How to Search Element in Java Array with Example How to fix java.lang.unsupportedclassversionerror ... As you are getting Unsupported major.minor version 51.0 and version 51.0 corresponds to J2SE 7 you have most probably compiled your code in Java 7 and trying to run it using

The fix appears to be:export JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk1.8.0_45.jdk/Contents/HomeReplyDeleteAnonymousJune 14, 2015 at 3:36 AMHere are some more practical tips to deal with Unsupported major.minor version 52.0 error in Java.ReplyDeleteAdd commentLoad more... get redirected here Apr 25 '14 at 10:26 add a comment| up vote 8 down vote You can have some JAR library compiled in Java 7, and you have only Java 6 as Java On OpenJDK javac version 1.7, you can crosscompile for 1.6 if you use parameters -source and -target, plus provide the rt.jar -file of the target version (that is, the older one) You can check the versions you are currently using with javac -version for the compiler, and java -version for the runtime.

  • 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);
  • you can run your Java 5 binary or JAR into Java or JRE 6 but vice-versa is not true.
  • The PATH environment variable tells the command shell where to look for the command you type.
  • Please insert the code above to comment Manage Subscriptions ∨ None Notify of new replies to this comment Notify of new replies to all my comments Notify of all new follow-up
  • J2SE 8 = 52 (0x34 hex) J2SE 7 = 51 (0x33 hex) J2SE 6.0 = 50 (0x32 hex) J2SE 5.0 = 49 (0x31 hex) JDK 1.4 = 48 (0x30 hex) JDK
  • The compiler command is javac and only comes with the JDK.

It is basic understanding that classes compiled with lower versions are expected to run in the later higher versions. Windows Just install appropriate Java SE Development Kit library from the Oracle site or install share|improve this answer edited Apr 4 '15 at 13:03 answered Apr 4 '15 at 12:16 kenorb Best way to convert numbers to String in Java Difference between primary key vs Candidate Key in... navigate to this website It should be the Java 7 version.

Java Code to convert Number to Words Did you like this article? So when you have your default library as a JRE instead of JDK, you are going to have a nice time importing stuff, but it won't compile. It turned out that under Eclipse you can specify the environment that Ant should be running with and this was set as a JRE instead of a JDK.

It's Maven based project and I am trying to running command Run as - Maven Install.

What is the probability that they were born on different days? Sorry, I don't know where it is on a Windows system). class file version changes between every Java version and class file generated by javac command of Java 6 installation is not appropriate for JRE of Java 5 Installation. Tweet Written by VK Leave a Reply Be the First to Comment!

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 for example, Java source level as 1.7. If you stil have the error with same Java version: try to delete build folder of your project manually. http://shpsoftware.com/java-error/java-error-exception-in-thread-main-java-lang-noclassdeffounderror.php Some customers do need a minor version of Java, e.g. 1.4, while you're developing with 1.6. -source and -target are is remedy for this szenario.

Build the project with JDK 7.0.55 by configuring on build path JDK 7.0.55. You might read the very good paper about byte code vs. 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 Insert a period / full stop if caption argument doesn't end with one Is foreign stock considered more risky than local stock and why?

I do have both JDK6 and JDK7 installed, but all my JRE settings were pointing at 1.6, both in the pom and from the project properties page in Eclipse. Once I change eclise JRE to 1.7 version this issue got resolved.DeleteReplyYuviSeptember 30, 2013 at 5:58 PMI think key here to remember that which major minor version for class files belongs But that didn't work for me. alternatively you can run java -version in your console to check which version of Java comes first in your PATH e.g. ~/java java -version java version "1.6.0_26" Java(TM) SE Runtime Environment

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. Create ZIP (Compressed) file in Java with exampl... Now go to Java Compiler on the left, and change the Compiler compliance level to your target. int i=0; while((i=in.read())!=-1) { char c = (char)i; ............... ............. } } and run the Proper1.class file java version "1.4.2_16", Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_16-b05)  and i got

share|improve this answer edited Jul 12 '14 at 20:43 Peter Mortensen 10.3k1369107 answered Feb 11 '14 at 10:36 ckielstra 434 add a comment| up vote 3 down vote If somebody is share|improve this answer edited Jul 12 '14 at 20:29 Peter Mortensen 10.3k1369107 answered Oct 14 '13 at 3:32 Mandar Pandit 1,06721229 add a comment| up vote 6 down vote The most That worked for me. Suppose we  got the Java class file version (For eg.  major 49 & minor 0 )   and the Java runtime version (For e.g. 1.4).

Share it with your friends! use the -target parameter. The use of each key in Western music Vertical alignment of tikz circle in equation Are leet passwords easily crackable? My solution in Eclipse: Right click on your Project Properties -> Java Build Path -> Libraries Select your JRE System Library and click Edit on the right, and choose the target

The issue originated after i copied the project from a different workspace where i was using JDK 1.7 :( –Gana Dec 22 '14 at 6:22 add a comment| up vote 260 Code to check contents ... It turned out, someone uses "service tomcat [stop/start]" to restart Tomcat 7, $ ps -ef | grep java tomcat7 31783 1 32 20:13 ? 00:00:03 /usr/lib/jvm/default-java/bin/java... $ /usr/lib/jvm/default-java/bin/java -version java version

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