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Erro no ao construir o maven

Oi

Quando eu dou um build no projeto ele da erro:

[INFO] Scanning for projects... [INFO][INFO] ------------------------------------------------------------------------ [INFO] Building Livraria Alura 0.0.1-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] [INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ livraria-maven --- [INFO] Deleting C:\Users\lucas\eclipse-workspace\livraria-maven\target [INFO] [INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ livraria-maven --- [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) @ livraria-maven --- [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 27 source files to C:\Users\lucas\eclipse-workspace\livraria-maven\target\classes [INFO] ------------------------------------------------------------- [ERROR] COMPILATION ERROR : [INFO] ------------------------------------------------------------- [ERROR] No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK? [INFO] 1 error [INFO] ------------------------------------------------------------- [INFO] ------------------------------------------------------------------------ [INFO] BUILD FAILURE [INFO] ------------------------------------------------------------------------ [INFO] Total time: 4.876 s [INFO] Finished at: 2018-10-17T20:02:20-03:00 [INFO] Final Memory: 8M/123M [INFO] ------------------------------------------------------------------------ [ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on project livraria-maven: Compilation failure [ERROR] No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK? [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.

e esta falando que no prom tem um erro:

Description Resource Path Location Type C:\Users\lucas\eclipse-workspace\livraria-maven\target\m2e-wtp\web-resources\META-INF\MANIFEST.MF (O sistema não pode encontrar o caminho especificado)

segue o prom:

<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.caelum</groupId>
    <artifactId>livraria-maven</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>war</packaging>
    <name>Livraria Alura</name>

    <properties>
        <maven.compiler.source>1.8</maven.compiler.source>
        <maven.compiler.target>1.8</maven.compiler.target>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.jboss.weld.servlet</groupId>
            <artifactId>weld-servlet</artifactId>
            <version>2.4.8.Final</version>
        </dependency>

        <dependency>
            <groupId>javax.validation</groupId>
            <artifactId>validation-api</artifactId>
            <version>2.0.1.Final</version>
        </dependency>

        <dependency>
            <groupId>org.primefaces</groupId>
            <artifactId>primefaces</artifactId>
            <version>6.2</version>
        </dependency>

        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.47</version>
        </dependency>

        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-entitymanager</artifactId>
            <version>5.3.7.Final</version>
        </dependency>

        <dependency>
            <groupId>com.sun.faces</groupId>
            <artifactId>jsf-api</artifactId>
            <version>2.2.18</version>
        </dependency>

        <dependency>
            <groupId>com.sun.faces</groupId>
            <artifactId>jsf-impl</artifactId>
            <version>2.2.18</version>
        </dependency>

        <dependency>
            <groupId>org.primefaces.themes</groupId>
            <artifactId>all-themes</artifactId>
            <version>1.0.10</version>
        </dependency>

    </dependencies>

    <repositories>

        <repository>
            <id>prime-repo</id>
            <name>PrimeFaces Maven Repository</name>
            <url>http://repository.primefaces.org</url>
            <layout>default</layout>
        </repository>

    </repositories>
</project>
2 respostas

Bom dia Lucas, confirma uma coisa antes da gente passar para o resto do problema por favor. Na stack gerada pelo maven tem o seguinte trecho:

No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?

Se isso não estiver correto o problema vai ser decorrente dele.

Oi André

Consegui arrumar, eu só tive q ir em WINDOW -> PREFERENCES -> JAVA -> INSTALED JREs

estava instalado o jre, eu apenas instalei a jdk e deixei ela selecionada, ai funcionou normalmente