exception in thread main java.lang.unsupported class version error Curtis Washington

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Remove the reference to "H:\sw\...\1.4.2\bin;" from the PATH under system variable section. And what about "double-click"? If you want to develop Java programs then install the java-1.7.0-openjdk-devel package. c) Run your compiled classes in a JRE that is the same, or newer, version as the JDK used to compile the classes.

you can enter "java -version" in a command-shell to take a look whats your installed default java version. share|improve this answer edited Jul 12 '14 at 20:28 Peter Mortensen 10.2k1369107 answered Oct 1 '13 at 8:51 Aniket Thakur 26.2k14113140 add a comment| up vote 10 down vote I had Then I found out that I can provide the compiler version in the Ant script. Then select Compiler Compliance Level to 1.6 or 1.5, build and test your app.

How do you say "root beer"? see stackoverflow.com/questions/10382929/… –radai Apr 8 '13 at 5:34 can you check version with java --version –shola Apr 8 '13 at 5:35 add a comment| 2 Answers 2 active oldest For example if you compile with source compatible 1.6 you need JRE 6 to execute the program. Get early access to new articles, plugins, discount codes and brief updates about what's new with Crunchify!

It is likely that you have one version (51.0 = Java 7) of javac installed, and you also have the same version of java installed, but that another previous version of in the bin folder of jdk, see c:\jdk\bin, it has a java and javaw executable. April 6, 2015 at 4:36 PM Anonymous said... Toggle navigation AndroidJava Core Java I/OJava XMLJava JSONJava RegExJDBCSpring Spring CoreSpring MVCSpring SecuritySpring Data MongoDBSpring BatchFrameworks JSF 2.0Hibernate ORMApache WicketStruts 1Struts 2JAX-RS (REST)JAX-WS (SOAP)jUnitTestNGMisc Google App EngineApache AntApache MavenjQueryJava MongoDBQuartz SchedulerLog4jContact

That worked for me. Now, create a new project. See Error , os and java below. button Choose MacOS X VM as the JRE type.

I use Eclipse for my application development, and I changed the compiler version in build properties of the project. How to deal with players rejecting the question premise Why is the spacesuit design so strange in Sunshine? share|improve this answer edited Jul 12 '14 at 20:52 Peter Mortensen 10.2k1369107 answered May 28 '14 at 9:10 Adit Ya 338413 add a comment| up vote 4 down vote If you May 28, 2016 at 5:30 AM Unknown said...

Open command line write java -version for your compile level. Versions of Java prior to 7 do not recogize this number, so your users will have to upgrade to Java 7 prior to running your application. This article is in continuation of debugging tutorials like How to remote debug Java program in Eclipse and 10 Java debugging tips in Eclipse. When I run my "Hello world" in Notepad++, I get this message: java.lang.UnsupportedClassVersionError: test_hello_world : Unsupported major.minor version 51.0 at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClassCond(Unknown Source) .........................................

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. target="1.5"... This worked for me to resolve the unsupported major minor issue. At first I was afraid I'd be petrified How to calculate time to empty Are there any rules or guidelines about designing a flag? Appease Your Google Overlords: Draw the "G" Logo What emergency gear and tools should I keep in my vehicle?

When UnSupportedClassVersionError in Java comes: So now we got the theory behind class file format and major and minor version of class file in Java. When we used "/etc/init.d/tomcat7 [stop/start]" to restart Tomcat 7, the problem was solved. $ ps -ef | grep java tomcat7 31886 1 80 20:24 ? 00:00:10 /usr/local/java/jdk1.7.0_15/bin/java $ /usr/local/java/jdk1.7.0_15/bin/java -version java i also found java in windows/system32 wht shud i do about that. The JRE could not be found.

And my compiler was 1.6.0_32. What advantages does Monero offer that are not provided by other cryptocurrencies? October 24, 2012 at 9:27 PM Anonymous said... Tags : java errorShare this article onTwitterFacebookGoogle+Related Posts About the Author mkyong Founder of Mkyong.com and HostingCompass.com, love Java and open source stuff.

Why UnsupportedClassVersionError comes in Java? share|improve this answer edited Nov 7 '14 at 14:31 Peter Mortensen 10.2k1369107 answered Aug 4 '14 at 10:21 siddmuk2005 316 add a comment| up vote 1 down vote How do I For more information, see the docs on Java Web Start and JNLP here. We are still running on Java 1.5 but the build used to work before.

If you like my tutorials, consider make a donation to these charities.Popular PostsLoading...CommentsPingback: How to change Tomcat to use JDK 7() Rising Posts (100k-500k pv)Loading...Rising Posts (10k-99k pv)Loading...Rising Posts (<10k pv)Loading...Favorites more hot questions lang-java about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Science Other Jesper de Jong Java Cowboy Saloon Keeper Posts: 15543 43 I like... Now how to solve it?

Solve and naming variables How to cope with too slow Wi-Fi at hotel? the compiler for java is javac, see docs.oracle.com/javase/7/docs/technotes/tools/windows/… –sushicutta Apr 8 '13 at 5:48 with javac you can use the option "target". 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. more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed

you should run your compiled classes also with the jre 7. September 5, 2012 at 6:47 AM Zach said... Distributor ID: Ubuntu Description: Ubuntu 14.04.4 LTS Release: 14.04 Codename: trusty [email protected]:~/elasticsearch-5.0.0-alpha1# ./bin/elasticsearch Exception in thread "main" java.lang.UnsupportedClassVersionError: org/elasticsearch/bootstrap/Elasticsearch : Unsupported major.minor version 52.0 at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:803) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) Hope this helps share|improve this answer answered Jul 21 '12 at 22:49 JAM 24.3k75234370 1 On Mac OS X Yosemite (10.10.5) , I found the jdk at /Library/Java/JavaVirtualMachines/jdk1.7.0_79.jdk/Contents/H‌ome/ –GiriB Sep

java share|improve this question edited May 12 '14 at 0:37 SwankSwashbucklers 1,1721724 asked Apr 8 '13 at 5:33 user2256222 612 marked as duplicate by radai, Nikolay Kuznetsov, Luiggi Mendoza, fglez, Graviton Isn't that more expensive than an elevated system? share|improve this answer edited Nov 27 '14 at 1:31 answered Feb 20 '13 at 19:02 Brad Parks 13.9k17112139 31 Off topic : Developers SHOULD NOT be checking in class files! The Version of class file is represented as major_version.minor_version.

Good Term For "Mild" Error (Software) Going to be away for 4 months, should we turn off the refrigerator or leave it on with water inside? If you have not read those article you may find them useful. Why does the material for space elevators have to be really strong? How do I explain that this is a terrible idea?

Source: http://computers.tutsplus.com/tutorials/speed-up-your-terminal-workflow-with-command-aliases-and-profile--mac-30515 share|improve this answer edited Apr 4 '15 at 12:15 kenorb 21.7k8152126 answered Feb 11 '14 at 6:55 Tony 7231922 add a comment| up vote 9 down vote In Eclipse's asked 3 years ago viewed 5695 times active 2 years ago Linked 1024 How to fix java.lang.UnsupportedClassVersionError: Unsupported major.minor version 75 Exception in thread “main” java.lang.UnsupportedClassVersionError: a (Unsupported major.minor version 51.0)