找不到符号（它在那里......）
我在 netbeans 的 Maven 项目中有以下行。
Projection projection = two.translate(Vector.reg1).projection(direction);
二是一个 Shape 实例。
public abstract class Shape {
public double mass;
public double momentOfIntertia;
public Vector center;
public abstract List<Edge> normals(Vector direction);
public abstract Projection projection(Vector line);
public abstract Shape transform(Transformation transformation);
public abstract Shape translate(Vector translation);
public abstract void render(Graphics graphics);
}
当我编译时出现此错误。
[ERROR]BUILD FAILURE
------------------------------------------------------------------------
Compilation failure
org/curious/pounce/Collision.java:[89,39] cannot find symbol
symbol : method translate(org.curious.pounce.math.Vector)
location: class org.curious.pounce.Shape
我不确定这会出现什么问题，如果有任何问题，netbeans 应该在 IDE 中指出错误，但事实并非如此。
I have the following line in a maven project in netbeans.
Projection projection = two.translate(Vector.reg1).projection(direction);
two is a Shape instance.
public abstract class Shape {
public double mass;
public double momentOfIntertia;
public Vector center;
public abstract List<Edge> normals(Vector direction);
public abstract Projection projection(Vector line);
public abstract Shape transform(Transformation transformation);
public abstract Shape translate(Vector translation);
public abstract void render(Graphics graphics);
}
and when I compile I get this error.
[ERROR]BUILD FAILURE
------------------------------------------------------------------------
Compilation failure
org/curious/pounce/Collision.java:[89,39] cannot find symbol
symbol : method translate(org.curious.pounce.math.Vector)
location: class org.curious.pounce.Shape
I'm not sure what can be wrong with this, if anything was wrong netbeans should be pointing out the error in the IDE, which it isn't.
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评论（4）
尝试对所有涉及的项目运行清理（在 Maven 中，假设这就是消息的来源）。
Try running a clean on all projects involved (in maven, assuming that's where the message is from).
您可以尝试执行
mvn clean然后再次构建。You can try doing
mvn cleanand then building again.我遇到了同样的问题：Netbeans 指示无效方法，但他在那里！我尝试了多种方法来解决这个问题但没有成功。因此，我手动将 jar 存档上传到项目的依赖项中：右键单击依赖项，右键单击 jar 存档，手动安装工件。
I had the same problem: Netbeans indicates a invalid method but he was there! I tried several ways to resolve this issue without success. So, i upload manually the jar archive into dependence of project: right-click on dependency, right-click on jar-archive, install artifact manually.
我刚才遇到了这个问题。对我来说，符号位于包中，我使用 Maven 来管理代码。
只是运行：
没有帮助我，然后我运行：
之后，我发现符号消失了，这意味着我看到的代码不是我正在使用的代码。所以我想也许是因为IntelliJ没有更新代码，才导致了这种混乱。
I had this problem just now. For me, the symbol is in a package, and I'm using maven to manage the code.
Just running:
didn't help me, Then I ran:
After this, I found the symbol disappeared, which means the code I saw is not the code I was using. So I think maybe it is because the IntelliJ didn't update the code, which leads to this confusion.