Question

我正在运行scala项目。我喜欢使用maven项目，但似乎并不认识scala。因为在我使用add scala nature之前我现在想通过maven添加scala，但我可以＆＃39 ;得到它不。我使用scala 2.11.8 这是pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<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>SynchData</groupId>
    <artifactId>SynchData</artifactId>
    <version>0.0.1-SNAPSHOT</version>


    <dependencies>
        <dependency>
            <groupId>org.apache.spark</groupId>
            <artifactId>spark-catalyst_2.11</artifactId>
            <version>2.2.0</version>
        </dependency>


        <dependency>
            <groupId>org.apache.spark</groupId>
            <artifactId>spark-core_2.11</artifactId>
            <version>2.2.0</version>
        </dependency>

        <dependency>
            <groupId>org.apache.spark</groupId>
            <artifactId>spark-sql_2.11</artifactId>
            <version>2.2.0</version>

        </dependency>

        <dependency>
            <groupId>org.apache.spark</groupId>
            <artifactId>spark-sql_2.11</artifactId>
            <version>2.2.0</version>

        </dependency>
        <dependency>
            <groupId>org.postgresql</groupId>
            <artifactId>postgresql</artifactId>
            <version>42.1.3</version>
        </dependency>

        <!-- <dependency> <groupId>org.postgresql</groupId> <artifactId>postgresql</artifactId> 
            <version>9.2-1002-jdbc4</version> </dependency> -->

        <!-- https://mvnrepository.com/artifact/oracle/ojdbc6 -->
        <dependency>
            <groupId>oracle</groupId>
            <artifactId>ojdbc6</artifactId>
            <version>11.2.0</version>
        </dependency>

    </dependencies>
    <build>
        <sourceDirectory>src</sourceDirectory>
        <plugins>
            <plugin>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.6.1</version>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project>

一旦我做了maven clean install我就得到了这个

[INFO] Scanning for projects...
[WARNING] 
[WARNING] Some problems were encountered while building the effective model for SynchData:SynchData:jar:0.0.1-SNAPSHOT
[WARNING] 'dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: org.apache.spark:spark-sql_2.11:jar -> duplicate declaration of version 2.2.0 @ line 31, column 15
[WARNING] 
[WARNING] It is highly recommended to fix these problems because they threaten the stability of your build.
[WARNING] 
[WARNING] For this reason, future Maven versions might no longer support building such malformed projects.
[WARNING] 
[INFO]                                                                         
[INFO] ------------------------------------------------------------------------
[INFO] Building SynchData 0.0.1-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO] 
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ SynchData ---
[INFO] Deleting C:\Users\MHT\eclipse-workspace\test.iptech\target
[INFO] 
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ SynchData ---
[WARNING] Using platform encoding (Cp1252 actually) to copy filtered resources, i.e. build is platform dependent!
[INFO] Copying 0 resource
[INFO] 
[INFO] --- maven-compiler-plugin:3.6.1:compile (default-compile) @ SynchData ---
[INFO] Changes detected - recompiling the module!
[WARNING] File encoding has not been set, using platform encoding Cp1252, i.e. build is platform dependent!
[INFO] Compiling 1 source file to C:\Users\MHT\eclipse-workspace\test.iptech\target\classes
[INFO] -------------------------------------------------------------
[ERROR] COMPILATION ERROR : 
[INFO] -------------------------------------------------------------
[ERROR] /C:/Users/MHT/eclipse-workspace/test.iptech/src/main/java/LauncherPack/SynchronizeData.java:[2,1] package SynchronizePackage does not exist
[ERROR] /C:/Users/MHT/eclipse-workspace/test.iptech/src/main/java/LauncherPack/SynchronizeData.java:[10,17] cannot find symbol
  symbol:   variable MainFunction
  location: class LauncherPack.SynchronizeData
[INFO] 2 errors 
[INFO] -------------------------------------------------------------
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 3.277 s
[INFO] Finished at: 2017-09-26T14:29:59+01:00
[INFO] Final Memory: 36M/281M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.6.1:compile (default-compile) on project SynchData: Compilation failure: Compilation failure:
[ERROR] /C:/Users/MHT/eclipse-workspace/test.iptech/src/main/java/LauncherPack/SynchronizeData.java:[2,1] package SynchronizePackage does not exist
[ERROR] /C:/Users/MHT/eclipse-workspace/test.iptech/src/main/java/LauncherPack/SynchronizeData.java:[10,17] cannot find symbol
[ERROR] symbol:   variable MainFunction
[ERROR] location: class LauncherPack.SynchronizeData
[ERROR] -> [Help 1]
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[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/MojoFailureException

请不要在eclipse中使用添加scala性质的任何帮助。

非常感谢

在maven项目下运行scala

0 个答案: