java - Log4j2 + MongoDb不起作用-6ren

java - Log4j2 + MongoDb不起作用

转载作者：行者123 更新时间：2023-11-30 02:04:15

我尝试将log4j2配置为在gradle项目中使用MongoDB，当我在Eclipse中运行并进行测试时，它工作正常，但是当我生成一个jar并启动它时，出现错误:

2018-08-13 09:30:11,534主要错误无法找到MongoDb的插件类型
2018-08-13 09:30:11,548主要错误无法找到MongoDb的插件
2018-08-13 09:30:11,597主要错误无法为元素NoSql创建类型为org.apache.logging.log4j.core.appender.nosql.NoSqlAppender类型的插件:java.lang.NullPointerException java.lang.NullPointerException
在org.apache.logging.log4j.core.config.plugins.visitors.PluginElementVisitor.findNamedNode(PluginElementVisitor.java:103)
在org.apache.logging.log4j.core.config.plugins.visitors.PluginElementVisitor.visit(PluginElementVisitor.java:87)
在org.apache.logging.log4j.core.config.plugins.util.PluginBuilder.injectFields(PluginBuilder.java:181)
在org.apache.logging.log4j.core.config.plugins.util.PluginBuilder.build(PluginBuilder.java:122)
在org.apache.logging.log4j.core.config.AbstractConfiguration.createPluginObject(AbstractConfiguration.java:959)
在org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:899)
在org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:891)
在org.apache.logging.log4j.core.config.AbstractConfiguration.doConfigure(AbstractConfiguration.java:514)
在org.apache.logging.log4j.core.config.AbstractConfiguration.initialize(AbstractConfiguration.java:238)
在org.apache.logging.log4j.core.config.AbstractConfiguration.start(AbstractConfiguration.java:250)
在org.apache.logging.log4j.core.LoggerContext.setConfiguration(LoggerContext.java:547)
在org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:619)
在org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:636)
在org.apache.logging.log4j.core.LoggerContext.start(LoggerContext.java:231)
在org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:153)
在org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:45)
在org.apache.logging.log4j.LogManager.getContext(LogManager.java:194)
在org.apache.logging.log4j.LogManager.getLogger(LogManager.java:581)
在br.com.serversocket.main.Main。(Main.java:15)

2018-08-13 09:30:11,607主要错误无法为元素NoSql调用类org.apache.logging.log4j.core.appender.nosql.NoSqlAppender中的工厂方法:java.lang.IllegalStateException:没有为类找到工厂方法org.apache.logging.log4j.core.appender.nosql.NoSqlAppender java.lang.IllegalStateException:找不到类org.apache.logging.log4j.core.appender.nosql.NoSqlAppender的工厂方法
在org.apache.logging.log4j.core.config.plugins.util.PluginBuilder.findFactoryMethod(PluginBuilder.java:235)
在org.apache.logging.log4j.core.config.plugins.util.PluginBuilder.build(PluginBuilder.java:135)
在org.apache.logging.log4j.core.config.AbstractConfiguration.createPluginObject(AbstractConfiguration.java:959)
在org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:899)
在org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:891)
在org.apache.logging.log4j.core.config.AbstractConfiguration.doConfigure(AbstractConfiguration.java:514)
在org.apache.logging.log4j.core.config.AbstractConfiguration.initialize(AbstractConfiguration.java:238)
在org.apache.logging.log4j.core.config.AbstractConfiguration.start(AbstractConfiguration.java:250)
在org.apache.logging.log4j.core.LoggerContext.setConfiguration(LoggerContext.java:547)
在org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:619)
在org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:636)
在org.apache.logging.log4j.core.LoggerContext.start(LoggerContext.java:231)
在org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:153)
在org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:45)
在org.apache.logging.log4j.LogManager.getContext(LogManager.java:194)
在org.apache.logging.log4j.LogManager.getLogger(LogManager.java:581)
在br.com.serversocket.main.Main。(Main.java:15)

2018-08-13 09:30:11,617主要错误在Appender中为NoSql返回了空对象。
2018-08-13 09:30:11,655主要错误无法找到记录器配置“根”的附加程序“NoSql”

我的log4j2.yaml:

Configuration:
  status: WARN
  appenders:    
    NoSql:
      name: NoSql
      MongoDb:
        databaseName: tracker
        collectionName: appLog
        server: ds261755.mlab.com
        port: 61755
        username: admin
        password: XXXXX
  Loggers:
    logger:
      -
        name: com.memorynotfound
        level: info
      -
        name: com.mchange.v2.c3p0
        level: warn
    Root:
      level: info
      AppenderRef:
        ref: NoSql

我的buil.gradle:

apply plugin: 'java'
apply plugin: 'application'
apply plugin: 'eclipse'
archivesBaseName = 'ServerSocket'
version = '3.2.1'

mainClassName = 'br.com.serversocket.main.Main'

compileTestJava {
    sourceCompatibility = 1.8
    targetCompatibility = 1.8
}

compileJava {
    sourceCompatibility = 1.7
    targetCompatibility = 1.7
}

jar {
    dependsOn 'test'
    archiveName = "ServerSocket.jar"
    from {
        configurations.runtime.collect {
            it.isDirectory() ? it : zipTree(it)
        }

        configurations.compile.collect {
            it.isDirectory() ? it : zipTree(it)
        }
    }

    manifest {
        attributes 'Main-Class': 'br.com.serversocket.main.Main'
    }

    exclude 'META-INF/*.RSA', 'META-INF/*.SF','META-INF/*.DSA'
}

test{
    useJUnitPlatform()
    dependsOn 'cleanTest'

    testLogging {
        events "passed", "skipped", "failed"
    }
    afterTest { desc, result -> 
        logger.quiet "Executing test ${desc.name} [${desc.className}] with result: ${result.resultType}"
    }
    testLogging {
        exceptionFormat = 'full'
    }   
}

eclipse.classpath.file.whenMerged {
  entries.each { println it.path }
}
configurations { 
    providedCompile 
}

repositories {
    mavenCentral()
    mavenLocal()
}

ext {
    jacksonVersion = '2.9.1'
    hibernateVerison = '5.1.0.Final'
    slf4jVerison = '1.7.25'
    log4jVerison = '2.11.1'
    junitVersion = '5.2.0'
    emailVersion = '1.6.1'
}

dependencies {

    //compile files(fileTree(dir: 'lib', includes: ['*.jar']))  
    compile "org.hibernate:hibernate-jpamodelgen:${hibernateVerison}"
    compile "org.hibernate:hibernate-c3p0:${hibernateVerison}"
    compile "org.hibernate:hibernate-core:${hibernateVerison}"
    compile "org.hibernate:hibernate-entitymanager:${hibernateVerison}"

    compile "org.slf4j:slf4j-simple:${slf4jVerison}"
    compile "org.slf4j:slf4j-api:${slf4jVerison}"

    compile "org.apache.logging.log4j:log4j-slf4j-impl:${log4jVerison}"
    compile "org.apache.logging.log4j:log4j-api:${log4jVerison}"
    compile "org.apache.logging.log4j:log4j-core:${log4jVerison}"
    compile "org.apache.logging.log4j:log4j-nosql:2.9.1"
    compile "org.apache.logging.log4j:log4j-jcl:${log4jVerison}"


    compile "com.fasterxml.jackson.core:jackson-core:${jacksonVersion}"
    compile "com.fasterxml.jackson.core:jackson-databind:${jacksonVersion}"
    compile "com.fasterxml.jackson.core:jackson-annotations:${jacksonVersion}"
    compile "com.fasterxml.jackson.dataformat:jackson-dataformat-yaml:${jacksonVersion}"

    compile "javax.mail:javax.mail-api:${emailVersion}"
    compile "com.sun.mail:javax.mail:${emailVersion}"

    compile group: 'org.projectlombok', name: 'lombok', version: '1.18.2'
    compile group: 'org.yaml', name: 'snakeyaml', version: '1.21'

    compile group: 'mysql', name: 'mysql-connector-java', version: '5.1.44'
    compile group: 'org.hibernate.common', name: 'hibernate-commons-annotations', version: '5.0.1.Final'
    compile group: 'org.hibernate.javax.persistence', name: 'hibernate-jpa-2.1-api', version: '1.0.2.Final'
    compile group: 'com.mchange', name: 'c3p0', version: '0.9.2.1'
    compile group: 'org.eclipse.persistence', name: 'javax.persistence', version: '2.1.0'
    compile group: 'org.jboss.logging', name: 'jboss-logging', version: '3.3.1.Final'
    compile group: 'commons-logging', name: 'commons-logging', version: '1.0.3'
    compile group: 'org.apache.mina', name: 'mina-core', version: '2.0.19'
    compile group: 'antlr', name: 'antlr', version: '2.7.7'
    compile group: 'com.fasterxml', name: 'classmate', version: '1.3.0'
    compile group: 'commons-codec', name: 'commons-codec', version: '1.11'
    compile group: 'commons-beanutils', name: 'commons-beanutils', version: '1.6'
    compile group: 'commons-collections', name: 'commons-collections', version: '3.2.1'
    compile group: 'org.apache.commons', name: 'commons-email', version: '1.5'
    compile group: 'commons-httpclient', name: 'commons-httpclient', version: '3.1'
    compile group: 'commons-lang', name: 'commons-lang', version: '2.3'
    compile group: 'commons-discovery', name: 'commons-discovery', version: '0.2'
    compile group: 'dom4j', name: 'dom4j', version: '1.6.1'
    compile group: 'net.sf.ehcache', name: 'ehcache', version: '1.5.0'
    compile group: 'org.apache.geronimo.specs', name: 'geronimo-jta_1.1_spec', version: '1.1.1'
    compile group: 'org.jboss', name: 'jandex', version: '2.0.3.Final'
    compile group: 'org.javassist', name: 'javassist', version: '3.22.0-GA'
    compile group: 'jdom', name: 'jdom', version: '1.1'
    compile group: 'javax.transaction', name: 'jta', version: '1.1'
    compile group: 'com.vividsolutions', name: 'jts', version: '1.13'
    compile group: 'org.apache.axis', name: 'axis', version: '1.4'
    compile group: 'axis', name: 'axis-jaxrpc', version: '1.4'
    compile group: 'javax.xml.soap', name: 'saaj-api', version: '1.3'
    compile group: 'wsdl4j', name: 'wsdl4j', version: '1.6.2'
    compile group: 'com.mchange', name: 'mchange-commons-java', version: '0.2.3.4'
    compile group: 'org.mongodb', name: 'mongo-java-driver', version: '3.8.0'


    testCompile group: 'com.h2database', name: 'h2', version: '1.4.197'
    testCompile "org.junit.jupiter:junit-jupiter-api:${junitVersion}"
    testCompile "org.junit.jupiter:junit-jupiter-engine:${junitVersion}"
    testCompile "org.junit.jupiter:junit-jupiter-params:${junitVersion}"
    testCompile group: 'org.junit.platform', name: 'junit-platform-launcher', version: '1.2.0'
}

configurations {
    all*.exclude group: 'javassist', module: 'javassist'
}

我的问题是在配置中？我需要做什么？

[编辑]

我更改一些配置:

build.gradle:

apply plugin: 'java'
apply plugin: 'application'
apply plugin: 'eclipse'
archivesBaseName = 'ServerSocket'
version = '3.2.1'

mainClassName = 'br.com.serversocket.main.Main'

compileTestJava {
    sourceCompatibility = 1.8
    targetCompatibility = 1.8
}

compileJava {
    sourceCompatibility = 1.7
    targetCompatibility = 1.7
}

jar {
    //dependsOn 'test'
    archiveName = "ServerSocket.jar"
    from {
        configurations.runtime.collect {
            it.isDirectory() ? it : zipTree(it)
        }

        configurations.compile.collect {
            it.isDirectory() ? it : zipTree(it)
        }
    }

    manifest {
        attributes 'Main-Class': 'br.com.serversocket.main.Main'
    }

    exclude 'META-INF/*.RSA', 'META-INF/*.SF','META-INF/*.DSA'
}

test{
    useJUnitPlatform()
    dependsOn 'cleanTest'

    testLogging {
        events "passed", "skipped", "failed"
    }
    afterTest { desc, result -> 
        logger.quiet "Executing test ${desc.name} [${desc.className}] with result: ${result.resultType}"
    }
    testLogging {
        exceptionFormat = 'full'
    }   
}

eclipse.classpath.file.whenMerged {
  entries.each { println it.path }
}
configurations { 
    providedCompile 
}

repositories {
    mavenCentral()
    mavenLocal()
}

ext {
    jacksonVersion = '2.9.1'
    hibernateVerison = '5.1.0.Final'
    slf4jVerison = '1.7.25'
    log4jVerison = '2.11.1'
    junitVersion = '5.2.0'
    emailVersion = '1.6.1'
    mongoDBVersion = '3.8.0'
}

dependencies {

    //compile files(fileTree(dir: 'lib', includes: ['*.jar']))  
    compile "org.hibernate:hibernate-jpamodelgen:${hibernateVerison}"
    compile "org.hibernate:hibernate-c3p0:${hibernateVerison}"
    compile "org.hibernate:hibernate-core:${hibernateVerison}"
    compile "org.hibernate:hibernate-entitymanager:${hibernateVerison}"

    compile "org.slf4j:slf4j-simple:${slf4jVerison}"
    compile "org.slf4j:slf4j-api:${slf4jVerison}"

    compile "org.apache.logging.log4j:log4j-api:${log4jVerison}"
    compile "org.apache.logging.log4j:log4j-core:${log4jVerison}"
    compile "org.apache.logging.log4j:log4j-jcl:${log4jVerison}"
    compile "org.apache.logging.log4j:log4j-mongodb3:${log4jVerison}"
    //compile "org.apache.logging.log4j:log4j-nosql:${log4jVerison}"

    compile "com.fasterxml.jackson.core:jackson-core:${jacksonVersion}"
    compile "com.fasterxml.jackson.core:jackson-databind:${jacksonVersion}"
    compile "com.fasterxml.jackson.core:jackson-annotations:${jacksonVersion}"
    compile "com.fasterxml.jackson.dataformat:jackson-dataformat-yaml:${jacksonVersion}"

    compile "javax.mail:javax.mail-api:${emailVersion}"
    compile "com.sun.mail:javax.mail:${emailVersion}"

    //compile "org.mongodb:mongo-java-driver:${mongoDBVersion}"
    compile "org.mongodb:mongodb-driver:${mongoDBVersion}"
    compile "org.mongodb:mongodb-driver-core:${mongoDBVersion}"
    compile "org.mongodb:bson:${mongoDBVersion}"


    compile group: 'org.projectlombok', name: 'lombok', version: '1.18.2'
    compile group: 'org.yaml', name: 'snakeyaml', version: '1.21'

    compile group: 'mysql', name: 'mysql-connector-java', version: '5.1.44'
    compile group: 'org.hibernate.common', name: 'hibernate-commons-annotations', version: '5.0.1.Final'
    compile group: 'org.hibernate.javax.persistence', name: 'hibernate-jpa-2.1-api', version: '1.0.2.Final'
    compile group: 'com.mchange', name: 'c3p0', version: '0.9.2.1'
    compile group: 'org.eclipse.persistence', name: 'javax.persistence', version: '2.1.0'
    compile group: 'org.jboss.logging', name: 'jboss-logging', version: '3.3.1.Final'
    compile group: 'commons-logging', name: 'commons-logging', version: '1.0.3'
    compile group: 'org.apache.mina', name: 'mina-core', version: '2.0.19'
    compile group: 'antlr', name: 'antlr', version: '2.7.7'
    compile group: 'com.fasterxml', name: 'classmate', version: '1.3.0'
    compile group: 'commons-codec', name: 'commons-codec', version: '1.11'
    compile group: 'commons-beanutils', name: 'commons-beanutils', version: '1.6'
    compile group: 'commons-collections', name: 'commons-collections', version: '3.2.1'
    compile group: 'org.apache.commons', name: 'commons-email', version: '1.5'
    compile group: 'commons-httpclient', name: 'commons-httpclient', version: '3.1'
    compile group: 'commons-lang', name: 'commons-lang', version: '2.3'
    compile group: 'commons-discovery', name: 'commons-discovery', version: '0.2'
    compile group: 'dom4j', name: 'dom4j', version: '1.6.1'
    compile group: 'net.sf.ehcache', name: 'ehcache', version: '1.5.0'
    compile group: 'org.apache.geronimo.specs', name: 'geronimo-jta_1.1_spec', version: '1.1.1'
    compile group: 'org.jboss', name: 'jandex', version: '2.0.3.Final'
    compile group: 'org.javassist', name: 'javassist', version: '3.22.0-GA'
    compile group: 'jdom', name: 'jdom', version: '1.1'
    compile group: 'javax.transaction', name: 'jta', version: '1.1'
    compile group: 'com.vividsolutions', name: 'jts', version: '1.13'
    compile group: 'org.apache.axis', name: 'axis', version: '1.4'
    compile group: 'axis', name: 'axis-jaxrpc', version: '1.4'
    compile group: 'javax.xml.soap', name: 'saaj-api', version: '1.3'
    compile group: 'wsdl4j', name: 'wsdl4j', version: '1.6.2'
    compile group: 'com.mchange', name: 'mchange-commons-java', version: '0.2.3.4'


    testCompile group: 'com.h2database', name: 'h2', version: '1.4.197'
    testCompile "org.junit.jupiter:junit-jupiter-api:${junitVersion}"
    testCompile "org.junit.jupiter:junit-jupiter-engine:${junitVersion}"
    testCompile "org.junit.jupiter:junit-jupiter-params:${junitVersion}"
    testCompile group: 'org.junit.platform', name: 'junit-platform-launcher', version: '1.2.0'
}

configurations {
    all*.exclude group: 'javassist', module: 'javassist'
}

log4j2.yaml:

Configuration:
  status: WARN
  appenders:    
    NoSql:
      name: databaseAppender
      MongoDb3:
        databaseName: tracker
        collectionName: appLog
        server: ds261755.mlab.com
        port: 61755
        username: admin
        password: xxxx

  Loggers:
    logger:
      -
        name: com.memorynotfound
        level: info
      -
        name: com.mchange.v2.c3p0
        level: warn
    Root:
      level: info
      AppenderRef:
        ref: databaseAppender

我收到一条新的错误消息:

2018-08-14 10:29:26,690 main ERROR Unable to locate plugin type for MongoDb3
2018-08-14 10:29:26,703 main ERROR Unable to locate plugin for MongoDb3
2018-08-14 10:29:26,753 main ERROR Could not create plugin of type class org.apache.logging.log4j.core.appender.nosql.NoSqlAppender for element NoSql: java.lang.NullPointerException java.lang.NullPointerException
    at org.apache.logging.log4j.core.config.plugins.visitors.PluginElementVisitor.findNamedNode(PluginElementVisitor.java:103)
    at org.apache.logging.log4j.core.config.plugins.visitors.PluginElementVisitor.visit(PluginElementVisitor.java:87)
    at org.apache.logging.log4j.core.config.plugins.util.PluginBuilder.injectFields(PluginBuilder.java:181)
    at org.apache.logging.log4j.core.config.plugins.util.PluginBuilder.build(PluginBuilder.java:122)
    at org.apache.logging.log4j.core.config.AbstractConfiguration.createPluginObject(AbstractConfiguration.java:959)
    at org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:899)
    at org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:891)
    at org.apache.logging.log4j.core.config.AbstractConfiguration.doConfigure(AbstractConfiguration.java:514)
    at org.apache.logging.log4j.core.config.AbstractConfiguration.initialize(AbstractConfiguration.java:238)
    at org.apache.logging.log4j.core.config.AbstractConfiguration.start(AbstractConfiguration.java:250)
    at org.apache.logging.log4j.core.LoggerContext.setConfiguration(LoggerContext.java:547)
    at org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:619)
    at org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:636)
    at org.apache.logging.log4j.core.LoggerContext.start(LoggerContext.java:231)
    at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:153)
    at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:45)
    at org.apache.logging.log4j.LogManager.getContext(LogManager.java:194)
    at org.apache.logging.log4j.LogManager.getLogger(LogManager.java:581)
    at br.com.serversocket.main.Main.<clinit>(Main.java:15)

2018-08-14 10:29:26,764 main ERROR Unable to invoke factory method in class org.apache.logging.log4j.core.appender.nosql.NoSqlAppender for element NoSql: java.lang.IllegalStateException: No factory method found for class org.apache.logging.log4j.core.appender.nosql.NoSqlAppender java.lang.IllegalStateException: No factory method found for class org.apache.logging.log4j.core.appender.nosql.NoSqlAppender
    at org.apache.logging.log4j.core.config.plugins.util.PluginBuilder.findFactoryMethod(PluginBuilder.java:235)
    at org.apache.logging.log4j.core.config.plugins.util.PluginBuilder.build(PluginBuilder.java:135)
    at org.apache.logging.log4j.core.config.AbstractConfiguration.createPluginObject(AbstractConfiguration.java:959)
    at org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:899)
    at org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:891)
    at org.apache.logging.log4j.core.config.AbstractConfiguration.doConfigure(AbstractConfiguration.java:514)
    at org.apache.logging.log4j.core.config.AbstractConfiguration.initialize(AbstractConfiguration.java:238)
    at org.apache.logging.log4j.core.config.AbstractConfiguration.start(AbstractConfiguration.java:250)
    at org.apache.logging.log4j.core.LoggerContext.setConfiguration(LoggerContext.java:547)
    at org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:619)
    at org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:636)
    at org.apache.logging.log4j.core.LoggerContext.start(LoggerContext.java:231)
    at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:153)
    at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:45)
    at org.apache.logging.log4j.LogManager.getContext(LogManager.java:194)
    at org.apache.logging.log4j.LogManager.getLogger(LogManager.java:581)
    at br.com.serversocket.main.Main.<clinit>(Main.java:15)

2018-08-14 10:29:26,773 main ERROR Null object returned for NoSql in appenders.
2018-08-14 10:29:26,813 main ERROR Unable to locate appender "databaseAppender" for logger config "root"

我检查了类的log4j-core以尝试更好地理解该错误，并找到了以下方法:

protected void preConfigure(final Node node) {
    try {
        for (final Node child : node.getChildren()) {
            if (child.getType() == null) {// problem happen here in production
                LOGGER.error("Unable to locate plugin type for " + child.getName());
                continue;
            }
            final Class<?> clazz = child.getType().getPluginClass();
            if (clazz.isAnnotationPresent(Scheduled.class)) {
                configurationScheduler.incrementScheduledItems();
            }
            preConfigure(child);
        }
    } catch (final Exception ex) {
        LOGGER.error("Error capturing node data for node " + node.getName(), ex);
    }
}

当我在IDE中运行项目时，节点的属性“getType()”为“PluginType [pluginClass = class org.apache.logging.log4j.mongodb3.MongoDbProvider，key = mongodb3，elementName = MongoDb3，isObjectPrintable = true，isDeferChildren == false， category = core]”
但我生产时，我想jar如何在log4j-mongodb3中找不到类。
我检查了生成的jar，但该类已打包，没有问题。发生什么事了？

[编辑]

我发现了问题，我创建了一个没有gradle的测试项目，并生成了一个jar，我需要复制依赖项而不是将它们解压缩，如何配置gradle在jar任务中执行此操作？

最佳答案

我使用2 gradle的插件解决了我的问题:

阴影:
http://imperceptiblethoughts.com/shadow/#shadowing_gradle_plugins

这个插件可以解决与log4j不兼容的问题:

https://github.com/TheBoegl/shadow-log4j-transformer#using-the-gradle-plugin-dsl

按照我的build.gradle:

buildscript {
    repositories {
        jcenter()
    }
    dependencies {
        classpath 'com.github.jengelman.gradle.plugins:shadow:2.0.4'
        classpath 'de.sebastianboegl.gradle.plugins:shadow-log4j-transformer:2.2.0'
    }
}

apply plugin: 'java'
apply plugin: 'application'
apply plugin: 'eclipse'
apply plugin: 'com.github.johnrengelman.shadow'
archivesBaseName = 'ServerSocket'
version = '3.2.1'

mainClassName = 'br.com.serversocket.main.Main'

compileTestJava {
    sourceCompatibility = 1.8
    targetCompatibility = 1.8
}

compileJava {
    sourceCompatibility = 1.7
    targetCompatibility = 1.7
}

shadowJar {
    //dependsOn 'test'
    transform(de.sebastianboegl.gradle.plugins.shadow.transformers.Log4j2PluginsFileTransformer)
    archiveName = "ServerSocket.jar"

    manifest {
        attributes 'Main-Class': 'br.com.serversocket.main.Main'
    }

    exclude 'META-INF/*.RSA', 'META-INF/*.SF','META-INF/*.DSA'
}

jar {
    //dependsOn 'test'
    archiveName = "ServerSocket.jar"
    from {
        configurations.runtime.collect {
            it.isDirectory() ? it : zipTree(it)
        }

        configurations.compile.collect {
            it.isDirectory() ? it : zipTree(it)
        }
    }

    manifest {
        attributes 'Main-Class': 'br.com.serversocket.main.Main'
    }

    exclude 'META-INF/*.RSA', 'META-INF/*.SF','META-INF/*.DSA'
}

test{
    useJUnitPlatform()
    dependsOn 'cleanTest'

    testLogging {
        events "passed", "skipped", "failed"
    }
    afterTest { desc, result -> 
        logger.quiet "Executing test ${desc.name} [${desc.className}] with result: ${result.resultType}"
    }
    testLogging {
        exceptionFormat = 'full'
    }   
}

eclipse.classpath.file.whenMerged {
  entries.each { println it.path }
}
configurations { 
    providedCompile 
}

repositories {
    mavenCentral()
    mavenLocal()
}

ext {
    jacksonVersion = '2.9.1'
    hibernateVerison = '5.1.0.Final'
    slf4jVerison = '1.7.25'
    log4jVerison = '2.11.1'
    junitVersion = '5.2.0'
    emailVersion = '1.6.1'
    mongoDBVersion = '3.8.0'
}

dependencies {

    //compile files(fileTree(dir: 'lib', includes: ['*.jar']))  
    compile "org.hibernate:hibernate-jpamodelgen:${hibernateVerison}"
    compile "org.hibernate:hibernate-c3p0:${hibernateVerison}"
    compile "org.hibernate:hibernate-core:${hibernateVerison}"
    compile "org.hibernate:hibernate-entitymanager:${hibernateVerison}"

    compile "org.slf4j:slf4j-simple:${slf4jVerison}"
    compile "org.slf4j:slf4j-api:${slf4jVerison}"

    compile "org.apache.logging.log4j:log4j-api:${log4jVerison}"
    compile "org.apache.logging.log4j:log4j-core:${log4jVerison}"
    compile "org.apache.logging.log4j:log4j-mongodb3:${log4jVerison}"


    compile "com.fasterxml.jackson.core:jackson-core:${jacksonVersion}"
    compile "com.fasterxml.jackson.core:jackson-databind:${jacksonVersion}"
    compile "com.fasterxml.jackson.core:jackson-annotations:${jacksonVersion}"
    compile "com.fasterxml.jackson.dataformat:jackson-dataformat-yaml:${jacksonVersion}"

    compile "javax.mail:javax.mail-api:${emailVersion}"
    compile "com.sun.mail:javax.mail:${emailVersion}"

    compile "org.mongodb:mongodb-driver:${mongoDBVersion}"
    compile "org.mongodb:mongodb-driver-core:${mongoDBVersion}"
    compile "org.mongodb:bson:${mongoDBVersion}"


    compile group: 'org.projectlombok', name: 'lombok', version: '1.18.2'
    compile group: 'org.yaml', name: 'snakeyaml', version: '1.21'

    compile group: 'mysql', name: 'mysql-connector-java', version: '5.1.44'
    compile group: 'org.hibernate.common', name: 'hibernate-commons-annotations', version: '5.0.1.Final'
    compile group: 'org.hibernate.javax.persistence', name: 'hibernate-jpa-2.1-api', version: '1.0.2.Final'
    compile group: 'com.mchange', name: 'c3p0', version: '0.9.2.1'
    compile group: 'org.eclipse.persistence', name: 'javax.persistence', version: '2.1.0'
    compile group: 'org.jboss.logging', name: 'jboss-logging', version: '3.3.1.Final'
    compile group: 'commons-logging', name: 'commons-logging', version: '1.0.3'
    compile group: 'org.apache.mina', name: 'mina-core', version: '2.0.19'
    compile group: 'antlr', name: 'antlr', version: '2.7.7'
    compile group: 'com.fasterxml', name: 'classmate', version: '1.3.0'
    compile group: 'commons-codec', name: 'commons-codec', version: '1.11'
    compile group: 'commons-beanutils', name: 'commons-beanutils', version: '1.6'
    compile group: 'commons-collections', name: 'commons-collections', version: '3.2.1'
    compile group: 'org.apache.commons', name: 'commons-email', version: '1.5'
    compile group: 'commons-httpclient', name: 'commons-httpclient', version: '3.1'
    compile group: 'commons-lang', name: 'commons-lang', version: '2.3'
    compile group: 'commons-discovery', name: 'commons-discovery', version: '0.2'
    compile group: 'dom4j', name: 'dom4j', version: '1.6.1'
    compile group: 'net.sf.ehcache', name: 'ehcache', version: '1.5.0'
    compile group: 'org.apache.geronimo.specs', name: 'geronimo-jta_1.1_spec', version: '1.1.1'
    compile group: 'org.jboss', name: 'jandex', version: '2.0.3.Final'
    compile group: 'org.javassist', name: 'javassist', version: '3.22.0-GA'
    compile group: 'jdom', name: 'jdom', version: '1.1'
    compile group: 'javax.transaction', name: 'jta', version: '1.1'
    compile group: 'com.vividsolutions', name: 'jts', version: '1.13'
    compile group: 'org.apache.axis', name: 'axis', version: '1.4'
    compile group: 'axis', name: 'axis-jaxrpc', version: '1.4'
    compile group: 'javax.xml.soap', name: 'saaj-api', version: '1.3'
    compile group: 'wsdl4j', name: 'wsdl4j', version: '1.6.2'
    compile group: 'com.mchange', name: 'mchange-commons-java', version: '0.2.3.4'


    testCompile group: 'com.h2database', name: 'h2', version: '1.4.197'
    testCompile "org.junit.jupiter:junit-jupiter-api:${junitVersion}"
    testCompile "org.junit.jupiter:junit-jupiter-engine:${junitVersion}"
    testCompile "org.junit.jupiter:junit-jupiter-params:${junitVersion}"
    testCompile group: 'org.junit.platform', name: 'junit-platform-launcher', version: '1.2.0'
}

configurations {
    all*.exclude group: 'javassist', module: 'javassist'
}

关于java - Log4j2 + MongoDb不起作用，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/51823024/

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java - Log4j2 + MongoDb不起作用