Bug 73347 NPE in AdvancedQuickAssistProcessor.getInverseConditionProposals
I20040901 + plug-in export, J9 JXE Got this in log several times a day. No steps. !ENTRY org.eclipse.jdt.ui 4 10001 Sep 06, 2004 18:46:20.502 !MESSAGE Internal Error !STACK 0 java.lang.NullPointerException at org.eclipse.jdt.internal.ui.text.correction.AdvancedQuickAssistProcessor.getInverseConditionProposals(Unknown Source) at org.eclipse.jdt.internal.ui.text.correction.AdvancedQuickAssistProcessor.hasAssists(Unknown Source) at org.eclipse.jdt.internal.ui.text.correction.JavaCorrectionProcessor.hasAssists(Unknown Source) at org.eclipse.jdt.internal.ui.text.correction.QuickAssistLightBulbUpdater.calculateLightBulb(Unknown Source) at org.eclipse.jdt.internal.ui.text.correction.QuickAssistLightBulbUpdater.doSelectionChanged(Unknown Source) at org.eclipse.jdt.internal.ui.text.correction.QuickAssistLightBulbUpdater.access$0(Unknown Source) at org.eclipse.jdt.internal.ui.text.correction.QuickAssistLightBulbUpdater$1.selectionChanged(Unknown Source) at org.eclipse.jdt.internal.ui.viewsupport.SelectionListenerWithASTManager$PartListenerGroup.calculateASTandInform(Unknown Source) at org.eclipse.jdt.internal.ui.viewsupport.SelectionListenerWithASTManager$3.run(Unknown Source) at org.eclipse.core.internal.jobs.Worker.run(Unknown Source)
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/correction/AdvancedQuickAssistProcessor.java
} else {
			if (getExpressionPrecedence(expression) > getInfixOperatorPrecedence(InfixExpression.Operator.PLUS)) {
				ParenthesizedExpression newExpression = ast.newParenthesizedExpression();
				newExpression.setExpression((Expression) rewrite.createCopyTarget(expression));
				parenthesizedExpression = newExpression;
			} else {
				parenthesizedExpression = (Expression) rewrite.createCopyTarget(expression);
			}
		}
		outExpression.setRightOperand(parenthesizedExpression);
		
		MethodInvocation sysout = ast.newMethodInvocation();
		sysout.setExpression(ast.newName(new String[]{"System", "out"})); 
		sysout.setName(ast.newSimpleName("println")); 
		sysout.arguments().add(outExpression);
		Statement newStatement = ast.newExpressionStatement(sysout);
		
		ListRewrite listRewriter = rewrite.getListRewrite(parentBlock,
				(ChildListPropertyDescriptor) parentStatement.getLocationInParent());
		listRewriter.insertAt(newStatement, insertIndex, null);
		
		String label = CorrectionMessages.getString("AdvancedQuickAssistProcessor.debugOutput.description"); 
		Image image = JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_LOCAL);
		ASTRewriteCorrectionProposal proposal = new ASTRewriteCorrectionProposal(label, context.getCompilationUnit(),
				rewrite, 1, image);
		resultingCollections.add(proposal);
		return true;
	}
}