Trying to fix an NPE

java.lang.NullPointerException: Cannot invoke "org.eclipse.jdt.core.dom.IMethodBinding.getParameterTypes()" because "methodBinding" is null
	at org.eclipse.jdt.internal.debug.eval.ast.engine.ASTInstructionCompiler.containsALocalType(ASTInstructionCompiler.java:306)
	at org.eclipse.jdt.internal.debug.eval.ast.engine.ASTInstructionCompiler.visit(ASTInstructionCompiler.java:3055)
	at org.eclipse.jdt.core.dom.MethodInvocation.accept0(MethodInvocation.java:220)
	at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:3312)
	at org.eclipse.jdt.core.dom.ASTNode.acceptChild(ASTNode.java:3360)
	at org.eclipse.jdt.core.dom.ReturnStatement.accept0(ReturnStatement.java:128)
	at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:3312)
	at org.eclipse.jdt.core.dom.ASTNode.acceptChildren(ASTNode.java:3383)
	at org.eclipse.jdt.core.dom.Block.accept0(Block.java:128)
	at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:3312)
	at org.eclipse.jdt.core.dom.ASTNode.acceptChild(ASTNode.java:3360)
	at org.eclipse.jdt.core.dom.MethodDeclaration.accept0(MethodDeclaration.java:676)
	at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:3312)
	at org.eclipse.jdt.core.dom.ASTNode.acceptChildren(ASTNode.java:3383)
	at org.eclipse.jdt.core.dom.TypeDeclaration.accept0(TypeDeclaration.java:497)
	at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:3312)
	at org.eclipse.jdt.core.dom.ASTNode.acceptChildren(ASTNode.java:3383)
	at org.eclipse.jdt.core.dom.CompilationUnit.accept0(CompilationUnit.java:257)
	at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:3312)
	at org.eclipse.jdt.internal.debug.eval.ast.engine.ASTEvaluationEngine.createExpressionFromAST(ASTEvaluationEngine.java:644)
	at org.eclipse.jdt.internal.debug.eval.ast.engine.ASTEvaluationEngine.getCompiledExpression(ASTEvaluationEngine.java:371)
	at org.eclipse.jdt.internal.debug.eval.ast.engine.ASTEvaluationEngine.evaluate(ASTEvaluationEngine.java:145)
	at org.eclipse.jdt.internal.debug.ui.JavaWatchExpressionDelegate$EvaluationRunnable.run(JavaWatchExpressionDelegate.java:149)
	at org.eclipse.jdt.internal.debug.core.model.JDIThread$ThreadJob.run(JDIThread.java:3514)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)

Author: gzsombor

org.eclipse.jdt.debug/eval/org/eclipse/jdt/internal/debug/eval/ast/engine/ASTInstructionCompiler.java

@@ -3048,7 +3048,7 @@ public boolean visit(MethodInvocation node) {
 			}
 		}
 
-		if (hasErrors()) {
+		if (hasErrors() || methodBinding == null) {
 			return false;
 		}