unsupported-class-version

Java 6 Unsupported major.minor version 51.0

由 主宰稳场 提交于 2019-12-17 17:42:12
问题 I recently uninstalled Java 8, to use Java 6 as I want my code/creations to be usable by more people than just those on Java 8. When I do mvn - version it returns: Exception in thread "main" java.lang.UnsupportedClassVersionError: org/apache/maven/cli/MavenCli : Unsupported major.minor version 51.0 at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631) at java.lang.ClassLoader.defineClass(ClassLoader.java:615) at java.security

java.lang.UnsupportedClassVersionError [duplicate]

由 只谈情不闲聊 提交于 2019-12-17 09:39:11
问题 This question already has answers here : How to fix java.lang.UnsupportedClassVersionError: Unsupported major.minor version (48 answers) Closed 3 years ago . When I ran a java program I received this error.. Could you please suggest why do we get this error: Exception in thread "main" java.lang.UnsupportedClassVersionError: GenerateInvoice (Unsupported major.minor version 49.0) at java.lang.ClassLoader.defineClass0(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:539) at

Exception in thread “main” java.lang.UnsupportedClassVersionError: a (Unsupported major.minor version 51.0) [duplicate]

由 北慕城南 提交于 2019-12-16 22:23:15
问题 This question already has answers here : Closed 6 years ago . Possible Duplicate: unsupported major .minor version 51.0 I installed JDK7, a simple hello word program gets compile but when I run this I got following exception. Exception in thread "main" java.lang.UnsupportedClassVersionError: a (Unsupported major.minor version 51.0) at java.lang.ClassLoader.defineClass0(Native Method) at java.lang.ClassLoader.defineClass(Unknown Source) at java.security.SecureClassLoader.defineClass(Unknown

Could not find main class error [duplicate]

由 孤人 提交于 2019-12-14 03:34:48
问题 This question already has answers here : How to fix java.lang.UnsupportedClassVersionError: Unsupported major.minor version (48 answers) Closed 6 years ago . My class path in environment variables are set to C:\WINDOWS\system32;C:\Program Files (x86)\Java\jdk1.7.0_25\bin I can compile fine, but I get an error when I try to run the java file. Exception in thread "main" java.lang.UnsupportedClassVersionError: ASILogger : U nsupported major.minor version 51.0 at java.lang.ClassLoader

java.lang.UnsupportedClassVersionError: (org/json/JSONObject) bad major version at offset=6

由 天大地大妈咪最大 提交于 2019-12-13 05:14:46
问题 In project i am using Websepear as server. After adding Json to my project i am getting below error. ---Original exception--- java.lang.UnsupportedClassVersionError: (org/json/JSONObject) bad major version at offset=6 at java.lang.ClassLoader.defineClassImpl(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:222) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:148) at com.ibm.ws.classloader.CompoundClassLoader._defineClass(CompoundClassLoader.java:526)

UnsupportedClassVersionError

由 点点圈 提交于 2019-12-11 16:35:10
问题 I am trying to run some Java code using PuTTY. I have all the jar files I need in a folder and when in the folder with the 'classname.class' folder I try to run the file but I get the following error. Exception in thread "main" java.lang.UnsupportedClassVersionError: dueDate (Unsupported major.minor version 49.0) at java.lang.ClassLoader.defineClass0(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:489) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java

java.lang.UnsupportedClassVersionError: Bad version number in .class file

由 不问归期 提交于 2019-12-07 05:06:38
问题 I'm having this error in eclipes java.lang.UnsupportedClassVersionError: Bad version number in .class file . When I run javac -version it prints javac 1.5.0_28 Within eclipes if I right click, properties->java compiler it says I'm using 1.5 and if I then go to java build path , I have JRE System Library [JVM 1.5.0 (MacOS X Default)] in there. Why am i getting this error and how do I fix it? EDITS java -version prints java version "1.5.0_28" Java(TM) 2 Runtime Environment, Standard Edition

Resolving version conflict between java and javac on Ubuntu

由 早过忘川 提交于 2019-12-03 05:02:36
问题 I have a problem with my compiled Java application on Ubuntu. It throws UnsupportedClassVersionError . I am compiling with a higher JDK version than the one that is configured in my PATH to run Java: $ javac -version javac 1.7.0_147 $ java -version java version "1.6.0_23" OpenJDK Runtime Environment (IcedTea6 1.11pre) (6b23~pre11-0ubuntu1.11.10.2) OpenJDK Client VM (build 20.0-b11, mixed mode, sharing) How can I resolve this? 回答1: Run either of the following to locate where the location is of

ERROR Source option 1.5 is no longer supported. Use 1.6 or later

由 北慕城南 提交于 2019-12-03 00:56:40
It all happens when I was trying to build a springboot application by ./mvnw clean install When I first run the install command, it runs into following problem. [INFO] ------------------------------------------------------------------------ [INFO] BUILD FAILURE [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.749s [INFO] Finished at: Fri Jun 21 02:14:32 IST 2013 [INFO] Final Memory: 4M/15M [INFO] ------------------------------------------------------------------------ **[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler

UnsupportedClassVersionError Java Error

由 冷暖自知 提交于 2019-12-02 19:09:48
问题 So I was trying to merge two databases using a java app called merjapp to merge sqlite databases, and I get this annoying java error message which I have no idea how to fix even after countless google searches. Here it is: Exception in thread "main" java.lang.UnsupportedClassVersionError: con/merjapp/Merge has been compiled by a more recent version of the Java Runtime <class file version 8243.8224>, this version of the Java Runtime only recognizes class file versions up to 52.0 at java.lang
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