tl; dr:如何在使用GMaven從Maven內運行Groovy腳本時解決「No such property: project
」錯誤?我使用的是GMaven 1.5,Groovy 2.2.1。和Java 1.7,以及Maven 3.1.0。從GMaven運行腳本導致「無此屬性:項目」異常
我有一個Groovy腳本 - DeltaCodeGen
(它沒有包) - 生成的Java代碼(Java項目,這是唯一的Groovy項目)。它曾經是我們會讓腳本生成.java
文件,並且這些文件將被檢入,但現在我們正試圖在generate-sources
階段期間在Maven構建期間構建它們。
我可以從我的IDE成功運行該腳本,但是當我嘗試運行它爲我構建的一部分,我得到
Caused by: org.codehaus.groovy.runtime.metaclass.MissingPropertyExceptionNoStack: No such property: project for class: DeltaCodeGen
儘管other answers,我的劇本沒有一個叫project
變量,也沒有完全包含字符串「project」。它不擴展任何其他腳本。它使用的唯一的庫是Reflections(對Servlet API的需求仍然是open question)。
運行的身材,我在stderr
注意到(運行mvn -X 2>mvn_err.log
)以下錯誤:
java.lang.NoSuchMethodError: org.codehaus.groovy.runtime.InvokerHelper.getVersion()Ljava/lang/String;
at org.codehaus.gmaven.runtime.v1_6.ProviderImpl.name(ProviderImpl.java:70)
at org.codehaus.gmaven.feature.support.ProviderSupport.asString(ProviderSupport.java:175)
at org.codehaus.gmaven.feature.support.ProviderSupport.toString(ProviderSupport.java:68)
at org.slf4j.helpers.MessageFormatter.safeObjectAppend(MessageFormatter.java:304)
at org.slf4j.helpers.MessageFormatter.deeplyAppendParameter(MessageFormatter.java:276)
at org.slf4j.helpers.MessageFormatter.arrayFormat(MessageFormatter.java:230)
at org.slf4j.helpers.MessageFormatter.format(MessageFormatter.java:152)
at org.slf4j.impl.SimpleLogger.formatAndLog(SimpleLogger.java:414)
at org.slf4j.impl.SimpleLogger.debug(SimpleLogger.java:512)
at org.codehaus.gmaven.runtime.loader.DefaultProviderSelector.register(DefaultProviderSelector.java:135)
at org.codehaus.gmaven.runtime.loader.DefaultProviderSelector.select(DefaultProviderSelector.java:72)
at org.codehaus.gmaven.runtime.loader.DefaultProviderManager.select(DefaultProviderManager.java:102)
at org.codehaus.gmaven.plugin.ProviderMojoSupport.provider(ProviderMojoSupport.java:120)
at org.codehaus.gmaven.plugin.ComponentMojoSupport.feature(ComponentMojoSupport.java:49)
at org.codehaus.gmaven.plugin.ComponentMojoSupport.feature(ComponentMojoSupport.java:42)
at org.codehaus.gmaven.plugin.ComponentMojoSupport.doExecute(ComponentMojoSupport.java:53)
at org.codehaus.gmaven.plugin.MojoSupport.execute(MojoSupport.java:71)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:106)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)
at org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:318)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:153)
at org.apache.maven.cli.MavenCli.execute(MavenCli.java:555)
at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:214)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:158)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:414)
at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:357)
我的Maven配置爲:
<build>
<plugins>
<plugin>
<!-- see: http://docs.codehaus.org/display/GMAVEN/Executing+Groovy+Code#ExecutingGroovyCode-ExecuteaLocalGroovyScript -->
<groupId>org.codehaus.gmaven</groupId>
<artifactId>gmaven-plugin</artifactId>
<version>1.5</version>
<executions>
<execution>
<phase>generate-sources</phase>
<goals>
<goal>execute</goal>
</goals>
<configuration>
<source>${pom.basedir}/src/main/groovy/DeltaCodeGen.groovy</source>
</configuration>
</execution>
</executions>
<dependencies>
<dependency>
<groupId>org.reflections</groupId>
<artifactId>reflections</artifactId>
<version>0.9.9-RC1</version>
</dependency>
<dependency>
<groupId>org.codehaus.groovy</groupId>
<artifactId>groovy-all</artifactId>
<version>2.2.1</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
</dependency>
</dependencies>
</plugin>
</plugins>
</build>
你好ArtB ..我也有類似的問題,因爲無法訪問我的groovy腳本中的POM屬性。因此,儘可能按照您的建議嘗試gmaven-plus,但在運行腳本時仍然會出現錯誤(並訪問項目屬性),如: def String myProp = project.getProperty('myProp') 引起:groovy.lang。 MissingPropertyException:沒有這樣的屬性:System for class:org.apache.maven.project。MavenProject – javdev
@Abhinav我會幫助你的[問題](http://stackoverflow.com/questions/30051201),不需要雙重發布:) – Keegan