Bug 107826 Serial version quick fix improvements [quick fix]
- Do not put everything on the user class path - Use only the standard output for result and error messages - Remove waitFor() - Read from stream until -1
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/correction/SerialVersionHashProposal.java
Assert.isNotNull(fragment);
		try {
			PlatformUI.getWorkbench().getProgressService().busyCursorWhile(new IRunnableWithProgress() {
				public final void run(final IProgressMonitor monitor) {
					Assert.isNotNull(monitor);
					fragment.setInitializer(computeDefaultExpression(monitor));
				}
			});
		} catch (InvocationTargetException exception) {
			JavaPlugin.log(exception);
		} catch (InterruptedException exception) {
			
		}
	}
	/*
	 * @see org.eclipse.jdt.internal.ui.text.correction.AbstractSerialVersionProposal#addLinkedPositions(org.eclipse.jdt.core.dom.rewrite.ASTRewrite, org.eclipse.jdt.core.dom.VariableDeclarationFragment)
	 */
	protected final void addLinkedPositions(final ASTRewrite rewrite, final VariableDeclarationFragment fragment) {
		
	}
	/*
	 * @see org.eclipse.jdt.internal.ui.text.correction.AbstractSerialVersionProposal#computeDefaultExpression(org.eclipse.core.runtime.IProgressMonitor)
	 */
	protected final Expression computeDefaultExpression(final IProgressMonitor monitor) {
		Assert.isNotNull(monitor);
		long serialVersionID= SERIAL_VALUE;
		ILaunchConfiguration configuration= null;
		try {
			monitor.beginTask(CorrectionMessages.SerialVersionHashProposal_computing_id, 7);
			final ICompilationUnit unit= getCompilationUnit();