[英]How to fix `Compilation failure` about javac parameter `--add-exports` in maven3
我的代碼包含sun.misc.SharedSecrets
類和sun.nio.ch.Interruptible
類,我希望它們在java模塊化maven中工作。
代碼在Java 11,maven 3.6.1中運行, maven-compiler-plugin
版本為3.8.1。
maven-compiler-plugin
的配置是:
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.1</version>
<configuration>
<source>11</source>
<target>11</target>
<encoding>UTF-8</encoding>
<showWarnings>true</showWarnings>
<showDeprecation>true</showDeprecation>
<compilerArgs>
<arg>--add-exports java.base/jdk.internal.misc=cn.piumnl.learning.java.interrupt</arg>
<arg>--add-exports java.base/sun.nio.ch=cn.piumnl.learning.java.interrupt</arg>
</compilerArgs>
</configuration>
</plugin>
並運行maven package -X
,輸出錯誤信息:
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.8.1:compile (default-compile) on project concurrent: Fatal error compiling: 錯誤: 無效的標記: --add-exports java.base/jdk.internal.misc=cn.piumnl.learning.java.interrupt -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.8.1:compile (default-compile) on project concurrent: Fatal error compiling
我猜因為maven編譯時的javac版本太低了。 所以我更新了maven-compiler-plugin
的配置:
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.1</version>
<configuration>
<source>11</source>
<target>11</target>
<encoding>UTF-8</encoding>
<showWarnings>true</showWarnings>
<showDeprecation>true</showDeprecation>
<!-- update -->
<verbose>false</verbose>
<fork>true</fork>
<executable>C:\Program Files\Java\jdk-11\bin\javac</executable>
<compilerVersion>11</compilerVersion>
<!-- update -->
<compilerArgs>
<arg>--add-exports java.base/jdk.internal.misc=cn.piumnl.learning.java.interrupt</arg>
<arg>--add-exports java.base/sun.nio.ch=cn.piumnl.learning.java.interrupt</arg>
</compilerArgs>
</configuration>
</plugin>
並運行maven package -X
,輸出錯誤信息:
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.8.1:compile (default-compile) on project concurrent: Compilation failure -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.8.1:compile (default-compile) on project concurrent: Compilation failure
at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:215)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:156)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:148)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:117)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:81)
at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build (SingleThreadedBuilder.java:56)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute (LifecycleStarter.java:128)
at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:305)
at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
at org.apache.maven.cli.MavenCli.execute (MavenCli.java:956)
at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:288)
at org.apache.maven.cli.MavenCli.main (MavenCli.java:192)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62)
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke (Method.java:566)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced (Launcher.java:282)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:225)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launcher.java:406)
at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:347)
at org.codehaus.classworlds.Launcher.main (Launcher.java:47)
Caused by: org.apache.maven.plugin.compiler.CompilationFailureException: Compilation failure
at org.apache.maven.plugin.compiler.AbstractCompilerMojo.execute (AbstractCompilerMojo.java:1224)
at org.apache.maven.plugin.compiler.CompilerMojo.execute (CompilerMojo.java:187)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo (DefaultBuildPluginManager.java:137)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:210)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:156)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:148)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:117)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:81)
at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build (SingleThreadedBuilder.java:56)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute (LifecycleStarter.java:128)
at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:305)
at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
at org.apache.maven.cli.MavenCli.execute (MavenCli.java:956)
at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:288)
at org.apache.maven.cli.MavenCli.main (MavenCli.java:192)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62)
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke (Method.java:566)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced (Launcher.java:282)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:225)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launcher.java:406)
at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:347)
at org.codehaus.classworlds.Launcher.main (Launcher.java:47)
[ERROR]
[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/MojoFailureException
這次maven沒有提供更多有用的信息。 maven-compiler-plugin
不支持--add-exports
嗎?
或者,當maven編譯時,還有其他方法可以獲取參數--add-exports
to javac嗎?
在這個問題上,我犯了三個錯誤。
SharedSecrets
全名是sun.misc.SharedSecrets
,但在JDK9中,后來是jdk.internal.misc.SharedSecrets
。 maven-compiler-plugin
, <compilerArgs></compilerArgs>
只支持一個參數。 必須更改<compilerArgs><arg></arg></compilerArgs>
。 --add-exports=java.base/jdk.internal.misc=<you moudle>
而不是--add-exports java.base/jdk.internal.misc=<you moudle>
最后,maven的配置應該是這樣的:
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.1</version>
<configuration>
<source>11</source>
<target>11</target>
<encoding>UTF-8</encoding>
<showWarnings>true</showWarnings>
<showDeprecation>true</showDeprecation>
<!-- update -->
<verbose>false</verbose>
<fork>true</fork>
<executable>C:\Program Files\Java\jdk-11\bin\javac</executable>
<compilerVersion>11</compilerVersion>
<!-- update -->
<compilerArgs>
<arg>--add-exports=java.base/jdk.internal.misc=cn.piumnl.learning.java.interrupt</arg>
<arg>--add-exports=java.base/sun.nio.ch=cn.piumnl.learning.java.interrupt</arg>
</compilerArgs>
</configuration>
</plugin>
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.