The error regarding the unsupported major.minor version is because during compile time you are using a higher JDK and a lower JDK during runtime. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information.ĭescription The server encountered an internal error (captiveportal/proccess : Unsupported major.minor version 52.0 (unable to load class captiveportal.proccess)) that prevented it from fulfilling this request.
unsupported major.minor version 52.0 (unable to load class Simplest way to fix this error is install the latest Java release i.e. Unsupported major.minor version 52.0 comes when you are trying to run a class compiled using Java 1.8 compiler into a lower JRE version e.g. It was related with the class file format, and the problem was caused by using a lower JDK (lower than the one used in compile time) during runtime. "Unsupported major.minor version 52.0" was the error which was seen in the logs and it was directly related with the Java major version of the environment.
Just follow these steps to confirm that your program is running under JRE 8 and if not then make sure it does. Unsupported major.minor version 52.0 in Eclipse In Eclipse, the setting which is used to run a Java program is configured program by program basis. unsupported major.minor version 52.0 linux So as you can see from the stack trace, a class has not been loaded. : Bad version number in.class file is an error that you may face in running a compiled java class file. class file Solution This is always caused by the conflict of different Java JDK at compile time and runtime, make sure you are using same JDK version to compile and run it.
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