Disabling the JIT

The JIT can be disabled in a number of different ways.

About this task

Turning off the JIT is a temporary measure that can help isolate problems when debugging Java™ applications.

Procedure

  • Use the -D option on the JVM command line to set the java.compiler property to NONE or the empty string.
    Type the following command at a shell or command prompt:
    java -Djava.compiler=NONE <class>
                                           
  • Use the -Xint option on the JVM command line.
    Type the following command at a shell or command prompt:
    java 
      -Xint 
    <class>