Java unsupported major minor version 52 0

Question

I can not launch my java application as a web applet in HTML  I am using HTML 4 01  I know it doesn t work in html5   The error message it returns is      java   Unsupported major minor version 52 0   I have tried downgrading my java JRE JDK SDK but I still get the same error message  The current version of java I am now using is 1 8 0 05

User · Accepted Answer

Your code was compiled with Java Version 1.8 while it is being executed with Java Version 1.7 or below.

In your case it seems that two different Java installations are used, the newer to compile and the older to execute your code.

Try recompiling your code with Java 1.7 or upgrade your Java Plugin.

User · Answer

You have to compile with Java 1 7  But if you have   jsp files  you should also completely remove Java 1 8 from the system  If you use Mac  here is how you can do it

User · Answer

I noticed that in netbeans Apache configuration in the servers tab  you can state the platform for your web application  I changed to 1 8 and it worked fine   I am targeting java 8 platform in my application   Hope that might t help

User · Answer

I assumed openjdk8 would work with tomcat8 but I had to remove it and keep openjdk7 only  this fixed the issue in my case  I really don t know why or if there is something else I could have done

[java] Java unsupported major minor version 52.0

Examples related to java

Examples related to html

Examples related to applet