我正在使用Spoon在带注释的类上生成代码，这样我就可以减少我正在处理的项目中的样板和代码重复。
由于项目很小，我一直在寻找方法，因此我不必将整个事情分成两个甚至三个必须按顺序编译的不同项目，因此我的AnnotationProcessor可以在
查看Spoon 文档，我发现了这个--precompile标志，据我了解，它应该预编译整个源并将其添加到类路径中，以便Spoon在运行时找到处理器和其他东西。
但是根据我在运行它时遇到的错误，它似乎不起作用，即使我添加了该选项，我仍然缺少处理器。
[INFO] --- exec-maven-plugin:1.5.0:java (execute-spoon) @ JHTML5 ---
12:29:50.454 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - output: spooned
12:29:50.456 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - destination: C:\Data\CrumbleWorks_java\JHTML5\spooned-classes
12:29:50.457 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - source classpath: null
12:29:50.457 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - template classpath: []
12:29:50.466 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - output: spooned
12:29:50.466 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - destination: C:\Data\CrumbleWorks_java\JHTML5\spooned-classes
12:29:50.466 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - source classpath: null
12:29:50.467 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - template classpath: []
12:29:50.467 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - compiling sources: []
12:29:50.539 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - compile args: [-encoding, UTF-8, -cp, .;/C:/Data/CrumbleWorks_java/JHTML5/target/classes;/C:/Data/Maven/repo/fr/inria/gforge/spoon/spoon-core/5.4.0/spoon-core-5.4.0.jar;/C:/Data/Maven/repo/org/eclipse/jdt/org.eclipse.jdt.core/3.12.0.v20160516-2131/org.eclipse.jdt.core-3.12.0.v20160516-2131.jar;/C:/Data/Maven/repo/com/martiansoftware/jsap/2.1/jsap-2.1.jar;/C:/Data/Maven/repo/commons-io/commons-io/1.4/commons-io-1.4.jar;/C:/Data/Maven/repo/org/slf4j/log4j-over-slf4j/1.7.21/log4j-over-slf4j-1.7.21.jar;/C:/Data/Maven/repo/ch/qos/logback/logback-classic/1.1.7/logback-classic-1.1.7.jar;/C:/Data/Maven/repo/ch/qos/logback/logback-core/1.1.7/logback-core-1.1.7.jar;/C:/Data/Maven/repo/org/crumbleworks/forge/crumbutil/crumbutil/0.1.0/crumbutil-0.1.0.jar;/C:/Data/Maven/repo/org/slf4j/slf4j-api/1.7.21/slf4j-api-1.7.21.jar, -d, C:\Data\CrumbleWorks_java\JHTML5\spooned-classes, -1.8, -proc:none, -preserveAllLocals, -noExit, -enableJavadoc, .]
12:29:50.790 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - compiled in 323 ms
12:29:50.792 [spoon.Launcher.main()] INFO spoon.support.StandardEnvironment - Spoon version 5.4.0
12:29:50.792 [spoon.Launcher.main()] INFO spoon.support.StandardEnvironment - running Spoon...
12:29:50.792 [spoon.Launcher.main()] INFO spoon.support.StandardEnvironment - start processing...
12:29:50.792 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - building sources: []
12:29:50.792 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - built in 0 ms
12:29:50.792 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - building templates: []
12:29:50.792 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - built in 0 ms
12:29:50.793 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - model built in 1
[WARNING]
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.codehaus.mojo.exec.ExecJavaMojo$1.run(ExecJavaMojo.java:294)
at java.lang.Thread.run(Thread.java:745)
Caused by: spoon.SpoonException: Unable to load processor "org.crumbleworks.forge.jhtml5.spoon.AttributeProcessor" - Check your classpath. Did you use the --precompile option?
at spoon.support.QueueProcessingManager.addProcessor(QueueProcessingManager.java:79)
at spoon.support.compiler.jdt.JDTBasedSpoonCompiler.instantiateAndProcess(JDTBasedSpoonCompiler.java:169)
at spoon.Launcher.process(Launcher.java:719)
at spoon.Launcher.run(Launcher.java:665)
at spoon.Launcher.run(Launcher.java:106)
at spoon.Launcher.main(Launcher.java:99)
... 6 more
Caused by: java.lang.ClassNotFoundException: org.crumbleworks.forge.jhtml5.spoon.AttributeProcessor
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at spoon.support.QueueProcessingManager.addProcessor(QueueProcessingManager.java:77)
... 11 more
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 1.202 s
[INFO] Finished at: 2016-10-31T12:29:50+01:00
[INFO] Final Memory: 14M/284M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.codehaus.mojo:exec-maven-plugin:1.5.0:java (execute-spoon) on project JHTML5: An exception occured while executing the Java class. null: InvocationTargetException: Unable to load processor "org.crumbleworks.forge.jhtml5.spoon.AttributeProcessor" - Check your classpath. Did you use the --precompile option? -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException
完整的maven错误输出
唉，这条线让我感到困惑......
Caused by: spoon.SpoonException: Unable to load processor "org.crumbleworks.forge.jhtml5.spoon.AttributeProcessor" - Check your classpath. Did you use the --precompile option?
...因为是的，我确实使用了 --precompile 选项。谢谢你的慰问
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>${exec-plugin.version}</version>
<executions>
<execution>
<id>execute-spoon</id>
<phase>process-sources</phase>
<goals>
<goal>java</goal>
</goals>
<configuration>
<classpathScope>compile</classpathScope>
<mainClass>spoon.Launcher</mainClass>
<arguments>
<argument>--with-imports</argument>
<argument>--processors</argument>
<argument>org.crumbleworks.forge.jhtml5.spoon.AttributeProcessor</argument>
<argument>--enable-comments</argument>
<argument>--precompile</argument>
</arguments>
</configuration>
</execution>
</executions>
</plugin>
使用exec-maven-plugin（执行任何 java 可执行文件）运行 spoon 的 Maven 插件声明
那么：--precompile 标志应该做什么？
分别我做错了什么？
编辑：
这是一个带有maven-pom的简化示例和描述如何在不使用 maven 的情况下运行和显示的自述文件：https ://github.com/CrumbleWorks/Spoon-Precompile-Issue