Java Maven 构建在访问项目 lombok 注释方法时找不到符号，
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Maven build cannot find symbol when accessing project lombok annotated methods,
提问by simonC
I'm using project lombok for the first time and I have problems compiling the project via maven when I run the build I receive errors where methods annotated with project lombok annotations are called.
我是第一次使用 lombok 项目，当我运行构建时，我在通过 maven 编译项目时遇到问题，我收到错误，其中调用了用项目 lombok 注释注释的方法。
This is the annotated parameter:
这是带注释的参数：
private @Getter @Setter String paymentNonce = null;
and in this line for example the maven breaks the build:
例如，在这一行中，maven 破坏了构建：
if (!StringUtilities.isNullOrEmpty(getPaymentNonce())) {
this is my maven dependency
这是我的 maven 依赖
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.16.4</version>
</dependency>
the maven error:
Maven 错误：
[INFO] Compiling 158 source files to C:\java\repos\luna\cloudflow\cloudflow-ejb\target\classes
[INFO] -------------------------------------------------------------
[ERROR] COMPILATION ERROR :
[INFO] -------------------------------------------------------------
[ERROR] \java\repos\luna\cloudflow\cloudflow-ejb\src\main\java\si\arctur\controller\PaymentProcessor.java:[94,38] error: cannot find symbol
[ERROR] \java\repos\luna\cloudflow\cloudflow-ejb\src\main\java\si\arctur\controller\PaymentProcessor.java:[97,106] error: cannot find symbol
[ERROR] \java\repos\luna\cloudflow\cloudflow-ejb\src\main\java\si\arctur\controller\PaymentProcessor.java:[142,2] error: cannot find symbol
[ERROR] \java\repos\luna\cloudflow\cloudflow-ejb\src\main\java\si\arctur\controller\ShoppingCart.java:[27,6] error: cannot find symbol
[ERROR] \java\repos\luna\cloudflow\cloudflow-ejb\src\main\java\si\arctur\controller\ShoppingCart.java:[32,75] error: cannot find symbol
.....
I'm using java 8
我正在使用 Java 8
采纳答案by simonC
I have downgraded the lombok to 1.14.8 this version works with maven build, I havent found why the 1.16 verson is not working :(
我已经将 lombok 降级到 1.14.8 这个版本适用于 maven build，我还没有找到为什么 1.16 版本不起作用:(
回答by Roel Spilker
Could it be that you've specified -proc:noneor explicitly specified annotation processors using -processor <processorclass>in your java compilation (javac)?
可能是您在 java 编译 (javac) 中指定-proc:none或明确指定了注释处理器-processor <processorclass>吗？
回答by Andrew Onischenko
Had the same problem using maven-compiler-plugin v.2.3.2 After updating the version up to 3.5 problem disappeared
使用 maven-compiler-plugin v.2.3.2 有同样的问题 更新版本到 3.5 问题消失后
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.5</version>
<configuration>
...
</configuration>
</plugin>
Hope this helps
希望这可以帮助
回答by liudongmiao
In short, upgrade maven-compiler-pluginto up 2.4, or downgrade lombokto below 1.14.*.
简而言之，升级maven-compiler-plugin到 up 2.4，或降级lombok到 below 1.14.*。
It seems that maven-compiler-pluginbelow 2.4doesn't support javax.annotation.processing.Processorwith a name with $.
似乎maven-compiler-plugin下面2.4不支持javax.annotation.processing.Processor带有$.
Update: You can configuration maven-compiler-pluginto fork, or update plexus-compiler-javacto 1.8.6. (maven-compiler-plugin2.3.2requires 1.8.1, and 2.4requires 1.8.6)
更新：您可以配置maven-compiler-plugin到fork，或更新plexus-compiler-javac到1.8.6。（maven-compiler-plugin2.3.2需要1.8.1，并且2.4需要1.8.6）
Since 1.16, lombok uses ShadowClassLoader, which prevents the IDE promotion for lombok's internal class. However, it doesn't use the ShadowClassLoaderif the classloader is org.codehaus.plexus.compiler.javac.IsolatedClassLoader. (I don't known why lombok guys use hard code to solve other issue mayrelated with plexus-compiler-javac.)
由于1.16， lombok 使用ShadowClassLoader，这阻止了 lombok 内部类的 IDE 升级。但是，ShadowClassLoader如果类加载器是，则不使用org.codehaus.plexus.compiler.javac.IsolatedClassLoader。（我不知道为什么 lombok 人使用硬代码来解决可能与plexus-compiler-javac.相关的其他问题。）
maven-compiler-plugin2.4, or rather, plexus-compiler-javac1.8.6, doesn't use org.codehaus.plexus.compiler.javac.IsolatedClassLoader, so it works again.
maven-compiler-plugin2.4，或者更确切地说， plexus-compiler-javac1.8.6不使用org.codehaus.plexus.compiler.javac.IsolatedClassLoader，因此它再次起作用。
回答by Vituel
In my case it was solved by upgrading JDK (was 1.8.0_66, now 1.8.0_92)
就我而言，它是通过升级 JDK 解决的（以前是 1.8.0_66，现在是 1.8.0_92）
回答by vishal
If you are using lombok annotations in static classes in that case you will have to mention the full name of the class ie. instead of @Datato @lombok.Data. This has worked for me.
如果您在静态类中使用 lombok 注释，则必须提及类的全名，即。而不是@Datato @lombok.Data。这对我有用。
回答by gilad
If you're using Lombok related static methods (mainly @Builder) with static imports, you might experience similar issues (even in other parts of your code!).
如果您将 Lombok 相关的静态方法（主要是 @Builder）与静态导入一起使用，您可能会遇到类似的问题（甚至在代码的其他部分！）。
There is an open issue about it: https://github.com/rzwitserloot/lombok/issues/979
有一个关于它的公开问题：https: //github.com/rzwitserloot/lombok/issues/979
The current workaround is to simply not use static imports, e.g. change
当前的解决方法是简单地不使用静态导入，例如更改
import static my.org.Foo.FooBuilder
...
FooBuilder builder = Foo.builder();
to:
到：
Foo.FooBuilder builder = Foo.builder(); // note >>Foo.<<FooBuilder; without static import
回答by B. Stackhouse
My solution was to prefix the annotation with lombok package name.
我的解决方案是在注释前加上 lombok 包名称。
@lombok.Builder
@lombok.experimental.Accessors(prefix = "m", chain = true)
rather than
而不是
@Builder
@Accessors(prefix = "m", chain = true)
回答by 0x52616A657368
try to specify parameter for "lombok" module within dependencies.I faced the same issue and resolved this by this work around.
尝试在依赖项中为“lombok”模块指定参数。我遇到了同样的问题并通过这个工作解决了这个问题。
回答by Fabian
I was actually able to solve this by following an answer posted here :
我实际上能够通过遵循此处发布的答案来解决此问题：
MapStruct and Lombok not working togather
Basically I had to add lombokto the maven-compiler-plugin<annotationProcessorPaths>
基本上我不得不添加lombok到maven-compiler-plugin<annotationProcessorPaths>
