当我从命令行运行“mvn site”时(使用far manageR),一切都运行得非常好,它会将所有必要的jar下载到存储库并执行任务。
但是当我尝试使用m2eclipse插件从eclipse做同样的(mvn网站)时,它会告诉我:
[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building jdbc_maven 0.0.1-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- maven-resources-plugin:2.5:resources (default-resources) @ jdbc_maven ---
[debug] execute contextualize
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 1 resource
[INFO]
[INFO] --- maven-compiler-plugin:3.0:compile (default-compile) @ jdbc_maven ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 7 source files to G:\workspace\jdbc_maven\target\classes
[INFO] -------------------------------------------------------------
[ERROR] COMPILATION ERROR :
[INFO] -------------------------------------------------------------
[ERROR] G:\workspace\jdbc_maven\src\main\java\com\nixsolutions\JdbcRoleDao.java:[8,23] error: package org.apache.log4j does not exist
[ERROR] G:\workspace\jdbc_maven\src\main\java\com\nixsolutions\JdbcRoleDao.java:[13,16] error: cannot find symbol
[ERROR] symbol: class Logger
location: class JdbcRoleDao
G:\workspace\jdbc_maven\src\main\java\com\nixsolutions\User.java:[5,23] error: package org.apache.log4j does not exist
[ERROR] G:\workspace\jdbc_maven\src\main\java\com\nixsolutions\User.java:[28,16] error: cannot find symbol
[ERROR] symbol: class Logger
location: class User
G:\workspace\jdbc_maven\src\main\java\com\nixsolutions\JdbcUserDao.java:[13,23] error: package org.apache.log4j does not exist
[ERROR] G:\workspace\jdbc_maven\src\main\java\com\nixsolutions\JdbcUserDao.java:[19,16] error: cannot find symbol
[ERROR] symbol: class Logger
location: class JdbcUserDao
G:\workspace\jdbc_maven\src\main\java\com\nixsolutions\JdbcRoleDao.java:[13,29] error: cannot find symbol
[ERROR] symbol: variable Logger
location: class JdbcRoleDao
G:\workspace\jdbc_maven\src\main\java\com\nixsolutions\User.java:[28,29] error: cannot find symbol
[ERROR] symbol: variable Logger
location: class User
G:\workspace\jdbc_maven\src\main\java\com\nixsolutions\JdbcUserDao.java:[19,29] error: cannot find symbol
[INFO] 9 errors
[INFO] -------------------------------------------------------------
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 1.387s
[INFO] Finished at: Sat Feb 16 11:05:13 EET 2013
[INFO] Final Memory: 7M/154M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.0:compile (default-compile) on project jdbc_maven: Compilation failure: Compilation failure:
[ERROR] G:\workspace\jdbc_maven\src\main\java\com\nixsolutions\JdbcRoleDao.java:[8,23] error: package org.apache.log4j does not exist
[ERROR] G:\workspace\jdbc_maven\src\main\java\com\nixsolutions\JdbcRoleDao.java:[13,16] error: cannot find symbol
[ERROR] symbol: class Logger
[ERROR] location: class JdbcRoleDao
[ERROR] G:\workspace\jdbc_maven\src\main\java\com\nixsolutions\User.java:[5,23] error: package org.apache.log4j does not exist
[ERROR] G:\workspace\jdbc_maven\src\main\java\com\nixsolutions\User.java:[28,16] error: cannot find symbol
[ERROR] symbol: class Logger
[ERROR] location: class User
[ERROR] G:\workspace\jdbc_maven\src\main\java\com\nixsolutions\JdbcUserDao.java:[13,23] error: package org.apache.log4j does not exist
[ERROR] G:\workspace\jdbc_maven\src\main\java\com\nixsolutions\JdbcUserDao.java:[19,16] error: cannot find symbol
[ERROR] symbol: class Logger
[ERROR] location: class JdbcUserDao
[ERROR] G:\workspace\jdbc_maven\src\main\java\com\nixsolutions\JdbcRoleDao.java:[13,29] error: cannot find symbol
[ERROR] symbol: variable Logger
[ERROR] location: class JdbcRoleDao
[ERROR] G:\workspace\jdbc_maven\src\main\java\com\nixsolutions\User.java:[28,29] error: cannot find symbol
[ERROR] symbol: variable Logger
[ERROR] location: class User
[ERROR] G:\workspace\jdbc_maven\src\main\java\com\nixsolutions\JdbcUserDao.java:[19,29] error: cannot find symbol
这是我的pom.xml
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>jdbc_maven</groupId>
<artifactId>jdbc_maven</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>jdbc_maven</name>
<url>http://maven.apache.org</url>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
</properties>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.8.1</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.dbunit</groupId>
<artifactId>dbunit</artifactId>
<version>2.4.8</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-simple</artifactId>
<version>1.6.4</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>1.6.4</version>
</dependency>
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<version>1.3.169</version>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
<exclusions>
<exclusion>
<groupId>javax.jms</groupId>
<artifactId>jms</artifactId>
</exclusion>
<exclusion>
<groupId>com.sun.jmx</groupId>
<artifactId>jmxri</artifactId>
</exclusion>
<exclusion>
<groupId>com.sun.jdmk</groupId>
<artifactId>jmxtools</artifactId>
</exclusion>
</exclusions>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-site-plugin</artifactId>
<version>3.0</version>
<configuration>
<reportPlugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-report-plugin</artifactId>
<version>2.8</version>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-checkstyle-plugin</artifactId>
<version>2.6</version>
<configuration>
<configLocation>sun_checks.xml</configLocation>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-javadoc-plugin</artifactId>
<version>2.6.1</version>
</plugin>
</reportPlugins>
</configuration>
</plugin>
<!-- JDK 1.7 COMPILER - DON'T TOUCH -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.0</version>
<configuration>
<source>1.7</source>
<target>1.7</target>
<showDeprecation>true</showDeprecation>
<showWarnings>true</showWarnings>
<executable>${env.JAVA_HOME}/bin/javac</executable>
<fork>true</fork>
</configuration>
</plugin>
<!-- JDK 1.7 COMPILER - DON'T TOUCH -->
</plugins>
</build>
</project>
答案 0 :(得分:2)
这有时会发生在m2eclipse上,因为当你向pom.xml添加新的依赖项时,m2e会自动将它添加到类路径中,并且这个类路径生成有一些问题。
一个快速而又肮脏的方法是
Remove the project from the eclipse
navigate to the project folder
和delete .settings directory and .classpath file
Import the project into the eclipse
作为&#39; Maven项目&#39; 答案 1 :(得分:1)
在eclipse中执行project-&gt; clean(也尝试刷新项目)。当你从命令行编译代码时,它有时会在eclipse中引起一些问题,代码必须在eclipse中重新编译
答案 2 :(得分:0)
每个人都在使用m2eclipse插件并捣乱一些proglems,这是我的提示:
1)用户自己的maven,不是在m2eclipse中构建,你可以在m2eclipse首选项中切换到它
2)从愚蠢的C:\ Users \ current_user-m2 \ repository更改存储库位置 到D:\ repository或没有〜或任何其他特殊升的任何其他正常路径
3)在恐慌之前用自己的maven检查控制台中的所有内容。例如我的命令就像 mvn网站 mvn安装 mvn tomcat:redeploy
从控制台工作EXCELLENT,但从Eclipse内部失败。这意味着m2eclipse参数是错误的,你应该设置自己的参数。
4)不要依赖上下文命令(右键单击 - 运行as-maven test / site / build) 在运行中创建自己的命令 - 在maven build - in菜单中选择正确版本的JRE(在我的情况下为1.7)并添加任何其他参数,不要忘记给这个命令命名如:“maven tomcat:redeploy JDK 7” - 这将给你一个很好的机会运行你想要的任何东西,并且不会面临90%的m2eclipse问题和错误。
P.S。我在maven 2和m2eclipse上挣扎了20多个小时。希望我的提示对某些人有用。
答案 3 :(得分:0)
我有同样的问题,我想我找到了解决方案。问题是在运行配置下,项目的maven配置没有刷新整体配置中的新设置。
这是我的解决方案:
这个解决方案对我有用(我一直在使用值maven运行时,在嵌入式和外部之间进行切换,这似乎是问题所在。
答案 4 :(得分:0)
使用m2eclipse,目标javadoc:javadoc或javadoc:jar生成文档时的同样问题,同时Project - &gt;生成Javadoc工作正常。在第一种情况下,它在错误的类路径中似乎有问题 解决方法:
1.run Project - &gt;使用选项“将Javadoc导出的设置保存为antscript”生成Javadoc
2.将生成javadoc.xml
3.运行m2eclipse,失败javadoc.sh后,选项,包将在/ site / apidocs /
4.从javadoc.xml获取classpath的内容并将其放入选项文件中的classpath中
5.运行./javadoc.sh
答案 5 :(得分:0)
确保你在编译时有log4j范围
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-api</artifactId>
<version>2.5</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-web</artifactId>
<version>2.5</version>
<scope>compile</scope>
</dependency>
它仍然将log4j.jars放入.war。