If you actually install the 1.6 JRE, you can point to its installation (for example, /usr/lib/jvm/java-6-openjdk-i386/jre/lib/rt.jar on Ubuntu, /usr/jdk/jdk1.6.0_60/jre/lib/rt.jar on SunOS apparently. How to sort Object in Java - Comparator and Compar... where X is class file version (major.minor) where Y is equivalent class file (major.minor) version for the Java Runtime version used If (Y is greater than X OR X How to escape HTML Special characters in JSP and J... http://btcherb.com/java-error/java-error-unsupported-major-minor-version-51-0.php
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: share|improve this answer edited Jul 12 '14 at 20:29 Peter Mortensen 10.3k1369107 answered Jan 7 '14 at 6:43 user3168034 7111 add a comment| up vote 6 down vote I have faced Code to check contents ... What does this mean and what can I do about it?
It is actually simple - you need to install BOTH JRE / JDK with the same version. Difference between Serializable vs Externalizable ... Always run with either same version of JDK which is use during compilation or higher version of JDK if same version is not available.
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 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 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 188.8.131.52 Check your PATH environment variable to see if you have correct Java in your path or not.
N(e(s(t))) a string Are non-english speakers better protected from (international) Phishing? But the opposite (compiled with higher compiler version and trying to run it with lower runtime version) is quite not possible sometimes. JDK is the superset of JRE along with compliers and debuggers. You can also check the same error for your own class.
Are leet passwords easily crackable? 4 dogs have been born in the same week. Difference between throw vs throws in Java Java Interview Questions for 2 to 3 years experien... Is it legal to bring board games (made of wood) to Australia? share|improve this answer edited Jul 12 '14 at 20:52 Peter Mortensen 10.3k1369107 answered May 28 '14 at 9:10 Adit Ya 338413 add a comment| up vote 4 down vote If you
Eventually, this answer solved the problem –Raghav May 13 '15 at 18:38 add a comment| up vote 29 down vote This error means you're trying to load a Java "class" file target="1.5"... This worked for me to resolve the unsupported major minor issue. 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 If your application is deployed using webstart you can specify the minimum version required.
Instead, set your path to JDK (I use NetBeans, and I set them using netbeans.conf in netbeans/etc/netbeans.conf and change the path). click site Java code to convert String to Lower Case with / w... 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 Set the compiler in Eclipse for JDK 7.0.55 by menu Windows -> Preferences -> Java -> Compiler - choose 1.7.
i.e. share|improve this answer edited Oct 6 '09 at 15:02 answered Oct 6 '09 at 14:56 dz. 1,01699 Unfortunately, javac will refuse to work with a -source set to a Write file in UTF-8 encoding using java.nio.file.... news Check what java -version displays.
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 How do you grow in a skill when you're the company lead in that area? Could not create the Java virtual machine Invalid ...
If source code use new language features they will not be compiled by with an earlier version of the Java Reference : http://www-01.ibm.com/support/docview.wss?uid=swg21496820 You may also like Java Program to calculate Sum Select the Ant build.xml for your project (if you have multiple projects) Activate the Tab 'JRE' Here was selected 'Separate JRE: jre6'. Had JDK 1.8 installed, but an older version of JRE, gave me trouble for some time. Or check which are available for install: sudo apt-cache search ^openjdk Then you can install, for example: sudo apt-get install openjdk-7-jre Fedora, Oracle Linux, Red Hat Install/upgrade appropriate package via: yum
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 which javac will tell you the location, for example, /usr/bin/javac. Not the answer you're looking for? Refer to the following Wikipedia Java class reference.
compiled it) is newer.
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