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[英]Maven - ClassNotFoundException: org.apache.commons.lang.StringUtils
[英]NoClassDefFoundError : org.apache.commons.lang.StringUtils
Caused by: java.lang.NoClassDefFoundError: org/apache/commons/lang/StringUtils
at org.apache.maven.wagon.providers.file.FileWagon.resolveDestinationPath(FileWagon.java:206)
at org.apache.maven.wagon.providers.file.FileWagon.putDirectory(FileWagon.java:157)
at org.apache.maven.plugins.site.deploy.AbstractDeployMojo.push(AbstractDeployMojo.java:441)
at org.apache.maven.plugins.site.deploy.AbstractDeployMojo.deploy(AbstractDeployMojo.java:323)
at org.apache.maven.plugins.site.deploy.AbstractDeployMojo.deployTo(AbstractDeployMojo.java:284)
at org.apache.maven.plugins.site.deploy.AbstractDeployMojo.execute(AbstractDeployMojo.java:166)
at org.apache.maven.plugins.site.deploy.SiteStageMojo.execute(SiteStageMojo.java:78)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:132)
... 20 more
Caused by: java.lang.ClassNotFoundException: org.apache.commons.lang.StringUtils
at org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass(SelfFirstStrategy.java:50)
at org.codehaus.plexus.classworlds.realm.ClassRealm.unsynchronizedLoadClass(ClassRealm.java:259)
at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:235)
at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:227)
... 28 more
當我嘗試運行時會發生這種情況
mvn site site:stage
pom.xml是:
<dependencyManagement>
<dependencies>
<!-- Appengine Dependencies -->
<dependency>
<groupId>com.google.appengine</groupId>
<artifactId>appengine-api-1.0-sdk</artifactId>
<version>${appengine.target.version}</version>
</dependency>
<dependency>
<groupId>com.google.appengine</groupId>
<artifactId>appengine-testing</artifactId>
<version>${appengine.target.version}</version>
</dependency>
<dependency>
<groupId>com.google.appengine</groupId>
<artifactId>appengine-api-stubs</artifactId>
<version>${appengine.target.version}</version>
</dependency>
<dependency>
<groupId>com.google.appengine</groupId>
<artifactId>appengine-api-labs</artifactId>
<version>${appengine.target.version}</version>
</dependency>
<!-- Libraries -->
<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
<version>18.0</version>
</dependency>
<dependency>
<groupId>joda-time</groupId>
<artifactId>joda-time</artifactId>
<version>2.5</version>
</dependency>
<dependency>
<groupId>com.googlecode.lambdaj</groupId>
<artifactId>lambdaj</artifactId>
<version>2.3.3</version>
</dependency>
</dependencies>
</dependencyManagement>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-site-plugin</artifactId>
<version>3.4</version>
<configuration>
<port>9000</port>
<tempWebappDirectory>${basedir}/target/site/tempdir</tempWebappDirectory>
</configuration>
<executions>
<execution>
<id>attach-descriptor</id>
<goals>
<goal>attach-descriptor</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
<pluginManagement>
<plugins>
<!--This plugin's configuration is used to store Eclipse m2e settings
only. It has no influence on the Maven build itself. -->
<plugin>
<groupId>org.eclipse.m2e</groupId>
<artifactId>lifecycle-mapping</artifactId>
<version>1.0.0</version>
<configuration>
<lifecycleMappingMetadata>
<pluginExecutions>
<pluginExecution>
<pluginExecutionFilter>
<groupId>
org.codehaus.mojo
</groupId>
<artifactId>
versions-maven-plugin
</artifactId>
<versionRange>
[2.1,)
</versionRange>
<goals>
<goal>
display-dependency-updates
</goal>
<goal>
display-plugin-updates
</goal>
</goals>
</pluginExecutionFilter>
<action>
<ignore></ignore>
</action>
</pluginExecution>
</pluginExecutions>
</lifecycleMappingMetadata>
</configuration>
</plugin>
<!-- standard plugins -->
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>versions-maven-plugin</artifactId>
<version>2.1</version>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<version>3.2</version>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>1.7</source>
<target>1.7</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<version>2.5</version>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-resources-plugin</artifactId>
<version>2.7</version>
<configuration>
<encoding>UTF-8</encoding>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-assembly-plugin</artifactId>
<version>2.5.2</version>
<configuration>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-project-info-reports-plugin</artifactId>
<version>2.7</version>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-deploy-plugin</artifactId>
<version>2.5</version>
</plugin>
<!-- appengine -->
<plugin>
<groupId>com.google.appengine</groupId>
<artifactId>appengine-maven-plugin</artifactId>
<version>${appengine.target.version}</version>
<configuration>
<enableJarClasses>false</enableJarClasses>
<!-- Comment in the below snippet to bind to all IPs instead of just
localhost -->
<!-- address>0.0.0.0</address> <port>8080</port -->
<!-- Comment in the below snippet to enable local debugging with a remove
debugger like those included with Eclipse or IntelliJ -->
<!-- jvmFlags> <jvmFlag>-agentlib:jdwp=transport=dt_socket,address=8000,server=y,suspend=n</jvmFlag>
</jvmFlags -->
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.17</version>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-report-plugin</artifactId>
<version>2.17</version>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-failsafe-plugin</artifactId>
<version>2.17</version>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<version>2.9</version>
</plugin>
</plugins>
</pluginManagement>
</build>
<reporting>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-project-info-reports-plugin</artifactId>
<version>2.7</version>
<reportSets>
<reportSet>
<reports>
<report>index</report>
<report>dependencies</report>
<report>dependency-convergence</report>
<report>dependency-management</report>
<report>distribution-management</report>
<report>modules</report>
<report>plugin-management</report>
<report>plugins</report>
<report>summary</report>
<report>issue-tracking</report>
<report>scm</report>
</reports>
</reportSet>
</reportSets>
</plugin>
</plugins>
</reporting>
在存儲庫中,我在commons-lang/commons-lang/
文件夾中看到
其中有四個 2.1、2.4、2.5、2.6 但 2.1 和 2.4 在文件夾中沒有 jar,只有其他文件。 2.5 和 2.6 文件夾中有 jars。
在org/apache/commons/commons-lang3
文件夾中,我看到一個帶有 jar 的 3.1
我已將其分解為絕對基本的觀察點,以便具有類似經驗的人可以幫助我。
由於 OP 沒有指定細節,我猜這可能是關於在 Ubuntu 14 上運行 maven。
Ubuntu 上的 Maven 打包似乎有一些“問題”。 在 Ubuntu 14.04.1 LTS 中apt-get install maven
並嘗試使用mvn package
打包我的項目后,我遇到了同樣的異常。
github上評論的解決方法是:
sudo ln -s ../../java/commons-lang.jar /usr/share/maven/lib
至少在我的情況下,那個固定的專家。
檢查您的 commons-lang 版本,我的是 2.6 版使用 sudo find / | grep 公共語言
在插件之前添加依賴項並確保 id 以 I not i 開頭:
<dependency>
<groupId>commons-lang</groupId>
<artifactId>commons-lang</artifactId>
<version>2.6</version>
</dependency>
不按照 wiki 構建,沒有控制器/opendaylight/distribution/opendaylight/target 以 ./run.sh 所以我現在正在尋找它??
您沒有將commons-lang
聲明為依賴項。 添加
<dependencies>
<dependency>
<groupId>commons-lang</groupId>
<artifactId>commons-lang</artifactId>
<version>2.3</version>
</dependency>
</dependencies>
到你的pom.xml
您的 pom.xml 應如下所示:
<dependencies>
<dependency>
<groupId>commons-lang</groupId>
<artifactId>commons-lang</artifactId>
<version>2.3</version>
</dependency>
</dependencies>
<dependencyManagement>
<dependencies>
<!-- Appengine Dependencies -->
<dependency>
<groupId>com.google.appengine</groupId>
<artifactId>appengine-api-1.0-sdk</artifactId>
<version>${appengine.target.version}</version>
</dependency>
<dependency>
<groupId>com.google.appengine</groupId>
<artifactId>appengine-testing</artifactId>
<version>${appengine.target.version}</version>
</dependency>
<dependency>
<groupId>com.google.appengine</groupId>
<artifactId>appengine-api-stubs</artifactId>
<version>${appengine.target.version}</version>
</dependency>
<dependency>
<groupId>com.google.appengine</groupId>
<artifactId>appengine-api-labs</artifactId>
<version>${appengine.target.version}</version>
</dependency>
<!-- Libraries -->
<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
<version>18.0</version>
</dependency>
<dependency>
<groupId>joda-time</groupId>
<artifactId>joda-time</artifactId>
<version>2.5</version>
</dependency>
<dependency>
<groupId>com.googlecode.lambdaj</groupId>
<artifactId>lambdaj</artifactId>
<version>2.3.3</version>
</dependency>
</dependencies>
</dependencyManagement>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-site-plugin</artifactId>
<version>3.4</version>
<configuration>
<port>9000</port>
<tempWebappDirectory>${basedir}/target/site/tempdir</tempWebappDirectory>
</configuration>
<executions>
<execution>
<id>attach-descriptor</id>
<goals>
<goal>attach-descriptor</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
<pluginManagement>
<plugins>
<!--This plugin's configuration is used to store Eclipse m2e settings
only. It has no influence on the Maven build itself. -->
<plugin>
<groupId>org.eclipse.m2e</groupId>
<artifactId>lifecycle-mapping</artifactId>
<version>1.0.0</version>
<configuration>
<lifecycleMappingMetadata>
<pluginExecutions>
<pluginExecution>
<pluginExecutionFilter>
<groupId>
org.codehaus.mojo
</groupId>
<artifactId>
versions-maven-plugin
</artifactId>
<versionRange>
[2.1,)
</versionRange>
<goals>
<goal>
display-dependency-updates
</goal>
<goal>
display-plugin-updates
</goal>
</goals>
</pluginExecutionFilter>
<action>
<ignore></ignore>
</action>
</pluginExecution>
</pluginExecutions>
</lifecycleMappingMetadata>
</configuration>
</plugin>
<!-- standard plugins -->
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>versions-maven-plugin</artifactId>
<version>2.1</version>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<version>3.2</version>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>1.7</source>
<target>1.7</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<version>2.5</version>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-resources-plugin</artifactId>
<version>2.7</version>
<configuration>
<encoding>UTF-8</encoding>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-assembly-plugin</artifactId>
<version>2.5.2</version>
<configuration>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-project-info-reports-plugin</artifactId>
<version>2.7</version>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-deploy-plugin</artifactId>
<version>2.5</version>
</plugin>
<!-- appengine -->
<plugin>
<groupId>com.google.appengine</groupId>
<artifactId>appengine-maven-plugin</artifactId>
<version>${appengine.target.version}</version>
<configuration>
<enableJarClasses>false</enableJarClasses>
<!-- Comment in the below snippet to bind to all IPs instead of just
localhost -->
<!-- address>0.0.0.0</address> <port>8080</port -->
<!-- Comment in the below snippet to enable local debugging with a remove
debugger like those included with Eclipse or IntelliJ -->
<!-- jvmFlags> <jvmFlag>-agentlib:jdwp=transport=dt_socket,address=8000,server=y,suspend=n</jvmFlag>
</jvmFlags -->
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.17</version>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-report-plugin</artifactId>
<version>2.17</version>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-failsafe-plugin</artifactId>
<version>2.17</version>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<version>2.9</version>
</plugin>
</plugins>
</pluginManagement>
</build>
<reporting>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-project-info-reports-plugin</artifactId>
<version>2.7</version>
<reportSets>
<reportSet>
<reports>
<report>index</report>
<report>dependencies</report>
<report>dependency-convergence</report>
<report>dependency-management</report>
<report>distribution-management</report>
<report>modules</report>
<report>plugin-management</report>
<report>plugins</report>
<report>summary</report>
<report>issue-tracking</report>
<report>scm</report>
</reports>
</reportSet>
</reportSets>
</plugin>
</plugins>
</reporting>
嘗試將此依賴項添加到您的 pom.xml
<dependency>
<groupId>commons-lang</groupId>
<artifactId>commons-lang</artifactId>
<version>2.6</version>
</dependency>
對我來說,問題似乎在於訪問本地 maven 存儲庫中的工件,所以我只是從本地 maven 存儲庫中刪除了整個 org/apache 文件夾,它解決了問題。
您應該更改 pom.xml 中的 commons-lang3.jar 依賴版本。 如果您在 java 簡單項目中編寫代碼,請添加另一個 jar,無論您使用的是什么版本。 或者您可以檢查不應該存在 jar 復制。
org.apache.maven.lifecycle.LifecycleExecutionException:無法在項目 a1 上執行目標 org.apache.maven.plugins:maven-site-plugin:3.6:stage (default-cli):執行目標 org.apache 的默認 cli。 maven.plugins:maven-site-plugin:3.6:stage 失敗:執行 org.apache.maven.plugins:maven-site-plugin:3.6:stage:org/apache/commons/lang/StringUtils 時缺少必需的類
國外進口數量:1進口:Entry[import from realm ClassRealm[maven.api, parent: null]]
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:125)
... 20 more
引起:java.lang.NoClassDefFoundError: org.apache.maven.wagon.providers.file.FileWagon.resolveDestinationPath(FileWagon.java:206) at org.apache.maven.wagon 的 org/apache/commons/lang/StringUtils。 provider.file.FileWagon.putDirectory(FileWagon.java:157) 在 org.apache.maven.plugins.site.deploy.AbstractDeployMojo.push(AbstractDeployMojo.java:452) 在 org.apache.maven.plugins.site.deploy。 AbstractDeployMojo.deploy(AbstractDeployMojo.java:332) at org.apache.maven.plugins.site.deploy.AbstractDeployMojo.deployTo(AbstractDeployMojo.java:293) at org.apache.maven.plugins.site.deploy.AbstractDeployMojo.execute( AbstractDeployMojo.java:172) 在 org.apache.maven.plugins.site.deploy.SiteStageMojo.execute(SiteStageMojo.java:71) 在 org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101) .. . 20 更多原因:java.lang.ClassNotFoundException: org.apache.commons.lang.StringUtils at org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass(SelfFirstSt rategy.java:50) 在 org.codehaus.plexus.classworlds.realm.ClassRealm.unsynchronizedLoadClass(ClassRealm.java:259) 在 org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:235) 在 org .codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:227)
在 Ubuntu 上運行 Maven 時缺少org.apache.commons.lang.StringUtils
一些 Maven 目標,如site:stage
在 Ubuntu 14.04 下失敗
A required class was missing while executing
org.apache.maven.plugins:maven-site-plugin:3.4:stage: org/apache/commons/lang/StringUtils
如果您使用commons-lang
依賴項的 Ubuntu Maven 包,就會發生這種情況。 您可以解壓縮獨立的 Maven 存檔或使用以下命令: cd /usr/share/maven/lib sudo ln -s ../../java/commons-lang.jar 。 https://wiki.apache.org/commons/VfsProblems
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