parallel processing: class file has wrong version 49.0, should be 48.0

Question

I run my code in supercomputer by used terminal.

I have 2 kind of code: 1- sequential and parallel (shared memory)

the sequential one it run correctly, but when I run the SM I have this error when I enter th command javac :

mycode.java:7: cannot access edu.rit.pj.Comm file has wrong version 49.0, should be 48.0 Please remove or make sure it appears in the correct subdirectory of the classpath. import edu.rit.pj.Comm;

the library for parallel is: parallel java.

score 1 · Answer 1 · answered Oct 20 '17 at 13:38

1

You trying to access a Java 5 library with a Java 4 compiler. This cannot work.

I wonder if you really need to use these old Java versions.

answered Oct 20 '17 at 13:38

J Fabian Meier

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I try to download jdk7 I used jdk8 but this version of the JDK is no longer current ? – Njood Alassmi Oct 20 '17 at 13:41
jdk9 is brand new, but jdk7 and jdk8 are still widely used. – J Fabian Meier Oct 20 '17 at 13:42

parallel processing: class file has wrong version 49.0, should be 48.0

1 Answers1