无法运行maven项目尝试使用“--enable preview”运行

r1zhe5dt  于 2021-07-14  发布在  Java
关注(0)|答案(1)|浏览(1288)

我只是无法让我的maven spring boot项目运行。。。我想我已经试过网上所有的东西了。我现在很绝望。
以下是我尝试运行项目时的输出：

olw@candidatis:/var/www/git/miw/tiger/TigerT1$ mvn -e org.springframework.boot:spring-boot-maven-plugin:run
[INFO] Error stacktraces are turned on.
[INFO] Scanning for projects...
[INFO] 
[INFO] -----------------------< net.candidatis:tierone >-----------------------
[INFO] Building tierone 0.0.1
[INFO] --------------------------------[ jar ]---------------------------------
[INFO] 
[INFO] >>> spring-boot-maven-plugin:2.4.1:run (default-cli) > test-compile @ tierone >>>
[INFO] 
[INFO] --- maven-resources-plugin:3.2.0:resources (default-resources) @ tierone ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Using 'UTF-8' encoding to copy filtered properties files.
[INFO] Copying 1 resource
[INFO] Copying 2 resources
[INFO] The encoding used to copy filtered properties files have not been set. This means that the same encoding will be used to copy filtered properties files as when copying other filtered resources. This might not be what you want! Run your build with --debug to see which files might be affected. Read more at https://maven.apache.org/plugins/maven-resources-plugin/examples/filtering-properties-files.html
[INFO] 
[INFO] --- maven-compiler-plugin:3.8.0:compile (default-compile) @ tierone ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 59 source files to /var/www/git/miw/tiger/TigerT1/target/classes
[INFO] 
[INFO] --- maven-resources-plugin:3.2.0:testResources (default-testResources) @ tierone ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Using 'UTF-8' encoding to copy filtered properties files.
[INFO] skip non existing resourceDirectory /var/www/git/miw/tiger/TigerT1/src/test/resources
[INFO] 
[INFO] --- maven-compiler-plugin:3.8.0:testCompile (default-testCompile) @ tierone ---
[INFO] Nothing to compile - all classes are up to date
[INFO] 
[INFO] <<< spring-boot-maven-plugin:2.4.1:run (default-cli) < test-compile @ tierone <<<
[INFO] 
[INFO] 
[INFO] --- spring-boot-maven-plugin:2.4.1:run (default-cli) @ tierone ---
[INFO] Attaching agents: []
Error: LinkageError occurred while loading main class net.candidatis.tierone.TieroneApplication
    java.lang.UnsupportedClassVersionError: Preview features are not enabled for net/candidatis/tierone/TieroneApplication (class file version 59.65535). Try running with '--enable-preview'
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  8.449 s
[INFO] Finished at: 2021-04-20T11:35:12+02:00
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.springframework.boot:spring-boot-maven-plugin:2.4.1:run (default-cli) on project tierone: Application finished with exit code: 1 -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.springframework.boot:spring-boot-maven-plugin:2.4.1:run (default-cli) on project tierone: Application finished with exit code: 1
    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:957)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:289)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:193)
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:64)
    at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:564)
    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)
Caused by: org.apache.maven.plugin.MojoExecutionException: Application finished with exit code: 1
    at org.springframework.boot.maven.RunMojo.runWithForkedJvm (RunMojo.java:101)
    at org.springframework.boot.maven.AbstractRunMojo.doRunWithForkedJvm (AbstractRunMojo.java:296)
    at org.springframework.boot.maven.AbstractRunMojo.run (AbstractRunMojo.java:261)
    at org.springframework.boot.maven.AbstractRunMojo.execute (AbstractRunMojo.java:233)
    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:957)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:289)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:193)
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:64)
    at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:564)
    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)
[ERROR] 
[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

我的pom.xml文件

<properties>
        <java.version>15</java.version>
</properties>

.
.
.
<build>
        <plugins>
            <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-compiler-plugin</artifactId>
            <version>3.8.0</version>
            <configuration>
                <release>15</release> <!-- <release>13/14/15</release> -->
                <compilerArgs>--enable-preview</compilerArgs>
            </configuration>
        </plugin>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-surefire-plugin</artifactId>
            <version>3.0.0-M3</version>
            <configuration>
                <argLine>--enable-preview</argLine>
            </configuration>
        </plugin>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <configuration>
                    <excludes>
                        <exclude>
                            <groupId>org.projectlombok</groupId>
                            <artifactId>lombok</artifactId>
                        </exclude>
                    </excludes>
                </configuration>
            </plugin>
        </plugins>
    </build>

我已经将maven环境变量maven\u opts=“--enable preview”添加到path中。

olw@candidatis:/var/www/git/miw/tiger/TigerT1$ echo $MAVEN_OPTS
--enable-preview

我创造了
我在projects.mvn子文件夹中创建了一个jvm.config文件

olw@candidatis:/var/www/git/miw/tiger/TigerT1/.mvn$ cat jvm.config 
--enable-preview

maven使用Java15

olw@candidatis:/var/www/git/miw/tiger/TigerT1$ mvn -version
Apache Maven 3.6.3 (cecedd343002696d0abb50b32b541b8a6ba2883f)
Maven home: /opt/apache-maven-3.6.3
Java version: 15.0.2, vendor: Oracle Corporation, runtime: /usr/lib/jvm/java-15-oracle
Default locale: de_AT, platform encoding: UTF-8
OS name: "linux", version: "4.2.0-42-generic", arch: "amd64", family: "unix"

我的javau home变量指向这个库

olw@candidatis:/var/www/git/miw/tiger/TigerT1$ echo $JAVA_HOME
/usr/lib/jvm/java-15-oracle

在我的道路上：

olw@candidatis:/var/www/git/miw/tiger/TigerT1$ echo $PATH
/usr/lib/jvm/java-15-oracle/bin/java:/opt/apache-maven-3.6.3/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games

我找到的所有解决方案都只是关于我已经做过的事情。
有人能帮我吗？
当做。。。

JavaMavenspring-bootpreview

1条答案

按热度按时间
zhte4eai

zhte4eai1#

我怀疑maven jvm.config 不起作用是因为这些参数应用于运行maven的jvm，而spring boot的 run 目标是派生一个没有这些参数的新jvm进程。
您可以使用 fork config属性，以便应用程序与maven在相同的jvm中运行，或者指定 jvmArguments 对于分叉过程。

<plugin>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-maven-plugin</artifactId>
    <configuration>
        <excludes>
            ...
        </excludes>
        <fork>false</fork><!-- jvmArguments OR this, but not both -->
        <jvmArguments>--enable-preview</jvmArguments>
    </configuration>
</plugin>

这两个属性的文档以及其他可能有用的文档都在这里

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