nosuchmethod

What is a NoSuchMethod error and how do I fix it?

由 为君一笑 提交于 2020-12-15 05:47:12
问题 I have some code and when I run it produces an error, saying: NoSuchMethod: the method 'XYZ' was called on null What does that mean and how do I fix it? 回答1: Why do I get this error? Example As a real world comparison, what just happened is this conversation: Hey, how much gas is left in the tank of the car? What are you talking about, we don't have a car. That is exactly what is happening in your program. You wanted to call a function like _car.getGasLevel(); but there is no car , the

What is a NoSuchMethod error and how do I fix it?

由 ▼魔方 西西 提交于 2020-12-15 05:45:29
问题 I have some code and when I run it produces an error, saying: NoSuchMethod: the method 'XYZ' was called on null What does that mean and how do I fix it? 回答1: Why do I get this error? Example As a real world comparison, what just happened is this conversation: Hey, how much gas is left in the tank of the car? What are you talking about, we don't have a car. That is exactly what is happening in your program. You wanted to call a function like _car.getGasLevel(); but there is no car , the

NoSuchMethodError: LocalSessionFactoryBuilder.addAnnotatedClass(Ljava/lang/Class;)Lorg/hibernate/cfg/Configuration;

由 ☆樱花仙子☆ 提交于 2019-12-24 23:16:32
问题 I am using Spring 3.2 and Hibernate4. I included all Jars required. Using JBoss AS. Deploying from Eclipse. But I am getting this error. org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'personController': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: private com.springmvcsample.service.PersonService com.springmvcsample.controller.PersonController

How to use dart to implement a delegate/proxy?

由 生来就可爱ヽ(ⅴ＜●) 提交于 2019-12-22 07:47:50
问题 I have two classes Parser and Proxy , and when I invoke a method from Parser , which does not exist, it will delegate it to Proxy class. My code: class Parser { noSuchMethod(Invocation invocation) { // how to pass the `invocation` to `Proxy`??? } } class Proxy { static String hello() { return "hello"; } static String world() { return "world"; } } That when I write: var parser = new Parser(); print(parser.hello()); It will print: hello 回答1: You have to use dart:mirrors . Here's how to do :

How to use dart to implement a delegate/proxy?

由 删除回忆录丶 提交于 2019-12-22 07:45:10
问题 I have two classes Parser and Proxy , and when I invoke a method from Parser , which does not exist, it will delegate it to Proxy class. My code: class Parser { noSuchMethod(Invocation invocation) { // how to pass the `invocation` to `Proxy`??? } } class Proxy { static String hello() { return "hello"; } static String world() { return "world"; } } That when I write: var parser = new Parser(); print(parser.hello()); It will print: hello 回答1: You have to use dart:mirrors . Here's how to do :

Android Dialog NoSuchMethodException error when using XML onClick

由 风流意气都作罢 提交于 2019-12-10 19:09:06
问题 I'm new to Java and Android, and I'm working on my first test app. I've progressed with it, but I'm blocked with a Dialog. I show the dialog from the Activity like this: //BuyActivity.java public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_shop); initialize_PR(); display_PR(); BuyDialog=new Dialog(this); BuyDialog.setContentView(R.layout.dialog_buy); } public void Action_ShowDialog_Buy(View view) { BuyDialog.show() ; } And

Java NoSuchMethodException - method does exist in class

由 ╄→尐↘猪︶ㄣ 提交于 2019-12-02 17:07:32
问题 I am building a JavaFx application and I want to create a method that receives a GridPane and a Node[] with the amount of items being added to the pane. However, when I call the method I get a NoSuchMethodException. As a test, I tried to create a simple method private String helloWorld() that would return "Hello World"; . This method does work, but when I try to run gridLogin = buildForm(gridLogin, items); , I get the Exception in thread "main" java.lang.NoSuchMethodException error.

Is there Object.watch for all properties / a shim for __noSuchMethod__ available?

由 早过忘川 提交于 2019-12-02 13:16:37
问题 I would like to extend localStorage by executing some code each time a setting is fetched/stored. I could define a getter/setter for all existing properties of localStorage , but the problem lies in new settings. For example, localStorage['somenewsetting'] = 123 creates a new setting. I would like to automatically define a getter/setter for this property so that my addition code is also executed for new settings. Basically I need Object.watch , but for all properties. What I found was _

Java NoSuchMethodException - method does exist in class

由 早过忘川 提交于 2019-12-02 10:01:40
I am building a JavaFx application and I want to create a method that receives a GridPane and a Node[] with the amount of items being added to the pane. However, when I call the method I get a NoSuchMethodException. As a test, I tried to create a simple method private String helloWorld() that would return "Hello World"; . This method does work, but when I try to run gridLogin = buildForm(gridLogin, items); , I get the Exception in thread "main" java.lang.NoSuchMethodException error. Application.java public class DesktopApplication extends Application { @Override public void start(Stage
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