Não estou conseguindo importar/rodar o projeto.

Oi Anderson,

Esse projeto que você citou não está no curso de Maven.

Não seria outro, ou talvez de outro curso?

Olá, professor

Desculpe o equivoco, o nome do arquivo é "2067-maven-gerenciamento-dependencias-build-aplicacoes-java-projeto_inicial.zip" e após importar o projeto, na opção "Existing Maven Projects", ele começou a apontar uma série de erros do tipo "Test cannot be resolved to a type", para isso eu selecionei o projeto escolhi a opção "Run > Maven Install", para ver se instalava as dependências do projeto, contudo, continua com os erros. Faltou alguma configuração?

SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/C:/Users/Anderson/.p2/pool/plugins/org.eclipse.m2e.maven.runtime.slf4j.simple_1.16.0.20200610-1735/jars/slf4j-simple-1.7.5.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [file:/C:/Users/Anderson/eclipse/jee-2020-09/eclipse/configuration/org.eclipse.osgi/5/0/.cp/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
SLF4J: Actual binding is of type [org.slf4j.impl.SimpleLoggerFactory]
SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/C:/Users/Anderson/.p2/pool/plugins/org.eclipse.m2e.maven.runtime.slf4j.simple_1.16.0.20200610-1735/jars/slf4j-simple-1.7.5.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [file:/C:/Users/Anderson/eclipse/jee-2020-09/eclipse/configuration/org.eclipse.osgi/5/0/.cp/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
SLF4J: Actual binding is of type [org.slf4j.impl.SimpleLoggerFactory]
[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  0.078 s
[INFO] Finished at: 2021-03-08T19:58:42-03:00
[INFO] ------------------------------------------------------------------------
[ERROR] No goals have been specified for this build. You must specify a valid lifecycle phase or a goal in the format <plugin-prefix>:<goal> or <plugin-group-id>:<plugin-artifact-id>[:<plugin-version>]:<goal>. Available lifecycle phases are: validate, initialize, generate-sources, process-sources, generate-resources, process-resources, compile, process-classes, generate-test-sources, process-test-sources, generate-test-resources, process-test-resources, test-compile, process-test-classes, test, prepare-package, package, pre-integration-test, integration-test, post-integration-test, verify, install, deploy, pre-clean, clean, post-clean, pre-site, site, post-site, site-deploy. -> [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/NoGoalSpecifiedException

Oi Anderson,

Esse erro é referente a alguma dependência que está dando conflito, mas o projeto inicial do curso não inclui nenhuma dependência.

Posta aqui o conteúdo do seu arquivo pom.xml para a gente entender o que pode ser o problema.

Olá, Professor, segue o pom.xml e a classe que está dando erro

<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>br.com.alura</groupId>
    <artifactId>loja</artifactId>
    <version>1.0.0</version>
</project>

e está dando erro aqui:

package br.com.alura.loja;

import static org.junit.Assert.*;

import org.junit.Test;

public class ProdutoTest {

    @Test
    public void test() {
        fail("Not yet implemented");
    }

}

Eu abaixei o maven também e configueirei ele nas minhas variaveis de ambiente (como era mostrado no curso antigo), tem algum problema?

Quando eu executo o programa eu também uso a minha propria JRE para rodar, já que usando a do proprio eclipse não rodava nem esses erros

Oi Anderson,

Está dando erro nessa classe porque no seu pom.xmlestá faltando adicionar a dependência do Junit, que foi mostrado nessa aula: https://cursos.alura.com.br/course/maven-gerenciamento-dependencias-build-aplicacoes-java/task/86410

Olá, professor

Muito obrigado, estou avançando bem. Resolveu o problema dos códigos do programa, porém ainda continua com um erro ao tentar rodar o programa

SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/C:/Users/Anderson/.p2/pool/plugins/org.eclipse.m2e.maven.runtime.slf4j.simple_1.16.0.20200610-1735/jars/slf4j-simple-1.7.5.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [file:/C:/Users/Anderson/eclipse/jee-2020-09/eclipse/configuration/org.eclipse.osgi/5/0/.cp/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
SLF4J: Actual binding is of type [org.slf4j.impl.SimpleLoggerFactory]
SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/C:/Users/Anderson/.p2/pool/plugins/org.eclipse.m2e.maven.runtime.slf4j.simple_1.16.0.20200610-1735/jars/slf4j-simple-1.7.5.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [file:/C:/Users/Anderson/eclipse/jee-2020-09/eclipse/configuration/org.eclipse.osgi/5/0/.cp/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
SLF4J: Actual binding is of type [org.slf4j.impl.SimpleLoggerFactory]
[INFO] Scanning for projects...
[WARNING] 
[WARNING] Some problems were encountered while building the effective model for br.com.alura:loja:jar:1.0.0
[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-compiles-plugin is missing. @ line 34, column 12
[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] -------------------------< br.com.alura:loja >--------------------------
[INFO] Building loja 1.0.0
[INFO] --------------------------------[ jar ]---------------------------------
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  0.100 s
[INFO] Finished at: 2021-03-10T19:48:35-03:00
[INFO] ------------------------------------------------------------------------
[ERROR] Error resolving version for plugin 'org.apache.maven.plugins:maven-compiles-plugin' from the repositories [local (C:\Users\Anderson\.m2\repository), central (https://repo.maven.apache.org/maven2)]: Plugin not found in any plugin repository -> [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/PluginVersionResolutionException

meu pom.xml ficou deste jeito:

<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>br.com.alura</groupId>
    <artifactId>loja</artifactId>
    <version>1.0.0</version>

    <dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>com.thoughtworks.xstream</groupId>
            <artifactId>xstream</artifactId>
            <version>1.4.14</version>
        </dependency>
    </dependencies>

    <repositories>
        <repository>
            <id>spring-repo</id>
            <url>http://repo.spring.io/release</url>
        </repository>
    </repositories>

    <build>
        <finalName>Loja</finalName>
        <plugins>
            <plugin>
                <artifactId>maven-compiles-plugin</artifactId>
                <configuration>
                    <source>11</source>
                    <target>11</target>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project>

já dei um update project e já limpei a pasta project do .M2, porém na primeira linha do código ele dá o seguinte erro:

Error resolving version for plugin 'org.apache.maven.plugins:maven-compiles-plugin' from the repositories [local (C:\Users\Anderson\.m2\repository), central (https://repo.maven.apache.org/maven2)]

Oi Anderson,

Agora o problema é no nome do plugin:

maven-compiles-plugin

O correto é:

maven-compile-plugin

Olá, Professor

Obrigado pela orientação, sumiu os erros de código, porém ainda não consigo executar o programa, devo acompanhar mais o curso para conseguir rodar?:

SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/C:/Users/Anderson/.p2/pool/plugins/org.eclipse.m2e.maven.runtime.slf4j.simple_1.16.0.20200610-1735/jars/slf4j-simple-1.7.5.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [file:/C:/Users/Anderson/eclipse/jee-2020-09/eclipse/configuration/org.eclipse.osgi/5/0/.cp/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
SLF4J: Actual binding is of type [org.slf4j.impl.SimpleLoggerFactory]
SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/C:/Users/Anderson/.p2/pool/plugins/org.eclipse.m2e.maven.runtime.slf4j.simple_1.16.0.20200610-1735/jars/slf4j-simple-1.7.5.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [file:/C:/Users/Anderson/eclipse/jee-2020-09/eclipse/configuration/org.eclipse.osgi/5/0/.cp/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
SLF4J: Actual binding is of type [org.slf4j.impl.SimpleLoggerFactory]
[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  0.081 s
[INFO] Finished at: 2021-03-10T19:19:16-03:00
[INFO] ------------------------------------------------------------------------
[ERROR] No goals have been specified for this build. You must specify a valid lifecycle phase or a goal in the format <plugin-prefix>:<goal> or <plugin-group-id>:<plugin-artifact-id>[:<plugin-version>]:<goal>. Available lifecycle phases are: validate, initialize, generate-sources, process-sources, generate-resources, process-resources, compile, process-classes, generate-test-sources, process-test-sources, generate-test-resources, process-test-resources, test-compile, process-test-classes, test, prepare-package, package, pre-integration-test, integration-test, post-integration-test, verify, install, deploy, pre-clean, clean, post-clean, pre-site, site, post-site, site-deploy. -> [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/NoGoalSpecifiedException

Anderson,

Esse erro acontece quando você executa qual comando?

Olá, professor

Ele acontece quanto tento rodar a aplicação " Maven >> 4. build..."

dentro do "Goals" eu coloco clean compile e usando a opção "File System" eu escolhi meu setting.xml que está dentro do meu usuário no caminho " C:\Users\Anderson.m2\settings.xml ". Dentro das minhas configurações tem as informações (eu ocultei alguns comentários):

<?xml version="1.0" encoding="UTF-8"?>

<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0 http://maven.apache.org/xsd/settings-1.0.0.xsd">
  <!-- localRepository
   | The path to the local repository maven will use to store artifacts.
   |
   | Default: ${user.home}/.m2/repository
  <localRepository>/path/to/local/repo</localRepository>
  -->

  <pluginGroups>

  </pluginGroups>

  <proxies>

  </proxies>

  <servers>

  </servers>

  <mirrors>

  </mirrors>

  <profiles>

  </profiles>

Dentro do pom.xml, na primeira linha ele tem uma marcação de erro com a seguinte observação:

Error resolving version plugin for plugin 'org.apache.maven.plugins:maven-compile-plugin' from the repositories [local (C:\Users\Anderson\.m2\repository), central (https://repo.maven.apache.org/maven2/)]: Plugin not found any plugin repository

Oi Anderson,

Declara o plugin assim:

<plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-compiler-plugin</artifactId>
    <configuration>
        <source>11</source>
        <target>11</target>
    </configuration>
</plugin>

Sobre o outro erro, parece ser alguma configuração sua nesse arquivo settings.xml, pois ele está procurando dependências nesse diretório tambem: C:/Users/Anderson/.p2 e isso está gerando um conflito.

Olá, professor

Finalmente, parece que sumiu o bug, agora finalmente ele mostra a seguinte mensagem:

SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/C:/Users/Anderson/.p2/pool/plugins/org.eclipse.m2e.maven.runtime.slf4j.simple_1.16.0.20200610-1735/jars/slf4j-simple-1.7.5.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [file:/C:/Users/Anderson/eclipse/jee-2020-09/eclipse/configuration/org.eclipse.osgi/5/0/.cp/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
SLF4J: Actual binding is of type [org.slf4j.impl.SimpleLoggerFactory]
SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/C:/Users/Anderson/.p2/pool/plugins/org.eclipse.m2e.maven.runtime.slf4j.simple_1.16.0.20200610-1735/jars/slf4j-simple-1.7.5.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [file:/C:/Users/Anderson/eclipse/jee-2020-09/eclipse/configuration/org.eclipse.osgi/5/0/.cp/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
SLF4J: Actual binding is of type [org.slf4j.impl.SimpleLoggerFactory]
[INFO] Scanning for projects...
[WARNING] 
[WARNING] Some problems were encountered while building the effective model for br.com.alura:loja:jar:1.0.0
[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-compiler-plugin is missing. @ line 34, column 12
[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] -------------------------< br.com.alura:loja >--------------------------
[INFO] Building loja 1.0.0
[INFO] --------------------------------[ jar ]---------------------------------
[INFO] 
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ loja ---
[INFO] Deleting C:\Users\Anderson\Desktop\Maven\2067-maven-gerenciamento-dependencias-build-aplicacoes-java-projeto_inicial\target
[INFO] 
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ loja ---
[WARNING] Using platform encoding (Cp1252 actually) to copy filtered resources, i.e. build is platform dependent!
[INFO] Copying 1 resource
[INFO] 
[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ loja ---
[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\Anderson\Desktop\Maven\2067-maven-gerenciamento-dependencias-build-aplicacoes-java-projeto_inicial\target\classes
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  1.325 s
[INFO] Finished at: 2021-03-15T19:40:14-03:00
[INFO] ------------------------------------------------------------------------