bundles/org.apache.jasper.glassfish/src/org/apache/jasper/compiler/JspRuntimeContext.java
protected void threadStop() {

        if (thread == null) {
            return;
        }

        threadDone = true;
        thread.interrupt();
        try {
            thread.join();
        } catch (InterruptedException e) {
            ;
        }
        
        thread = null;
        
    }
protected void threadStop() {

        if (thread == null) {
            return;
        }

        threadDone = true;
        thread.interrupt();
        try {
            thread.join();
        } catch (InterruptedException e) {
            ;
        }
        
        thread = null;
        
    }
Stop the background thread that is periodically checking for
changes to compile time included files in a JSP.