java - Gradle does not find dependencies -


i trying use gradle , file looks like:

// apply java plugin add support java apply plugin: 'java'  // in section declare find dependencies of project repositories {     // use 'jcenter' resolving dependencies.     // can declare maven/ivy/file repository here.     mavencentral()     jcenter() }  jar {     manifest {         attributes 'main-class': 'execute.entry'     } }  // in section declare dependencies production , test code dependencies {     // production code uses slf4j logging api @ compile time     compile 'org.slf4j:slf4j-api:1.7.12'     compile 'org.apache.logging.log4j:log4j:2.3'      // declare dependency favourite test framework want use in tests.     // testng supported gradle test task. change     // testcompile dependency testcompile 'org.testng:testng:6.8.1' , add     // 'test.usetestng()' build script.     testcompile 'junit:junit:4.12' }

as can see, i've added 2 dependencies , want use in class

package execute;  import message.*; import org.apache.log4j.logger;  public class entry {      public static void main(string[] args) {          service s = new service();         string msg = s.getmessage();         logger.info("received msg: " + msg);      } }

when execute statement gradle assemble, i've got compiler error.

d:\java\entrypoint\src\main\java\execute\entry.java:4: error: package org.apache.log4j not exist import org.apache.log4j.logger;                        ^ d:\java\entrypoint\src\main\java\execute\entry.java:12: error: cannot find symbol         logger.info("received msg: " + msg);         ^   symbol:   variable logger   location: class entry 2 errors :compilejava failed  failure: build failed exception.  * went wrong: execution failed task ':compilejava'. > compilation failed; see compiler error output details.  * try: run --stacktrace option stack trace. run --info or --debug option more log output.  build failed  total time: 6.261 secs compilation failed; see compiler error output details.

what doing wrong?

update changed code this:

package execute;  import message.*; import org.apache.logging.log4j.logger; import org.apache.logging.log4j.logmanager;  public class entry {      private static final logger logger = logmanager.getlogger("helloworld");      public static void main(string[] args) {          service s = new service();         string msg = s.getmessage();         logger.info("hello, world!");      } }

the compiler complain:

exception in thread "main" java.lang.noclassdeffounderror: org/apache/logging/log4j/logmanager         @ execute.entry.<clinit>(entry.java:9) caused by: java.lang.classnotfoundexception: org.apache.logging.log4j.logmanager         @ java.net.urlclassloader.findclass(unknown source)         @ java.lang.classloader.loadclass(unknown source)         @ sun.misc.launcher$appclassloader.loadclass(unknown source)         @ java.lang.classloader.loadclass(unknown source)         ... 1 more

update 2
after execute: 

>gradle dependencies :dependencies                                                                      ------------------------------------------------------------ root project                  ------------------------------------------------------------  archives - configuration archive artifacts. no dependencies                                                     compile - compile classpath source set 'main'. \--- org.apache.logging.log4j:log4j-api:2.3                        default - configuration default artifacts. \--- org.apache.logging.log4j:log4j-api:2.3                        runtime - runtime classpath source set 'main'. \--- org.apache.logging.log4j:log4j-api:2.3                        testcompile - compile classpath source set 'test'. +--- org.apache.logging.log4j:log4j-api:2.3                           \--- junit:junit:4.12              \--- org.hamcrest:hamcrest-core:1.3  testruntime - runtime classpath source set 'test'. +--- org.apache.logging.log4j:log4j-api:2.3                           \--- junit:junit:4.12              \--- org.hamcrest:hamcrest-core:1.3  build successful

instead of

import org.apache.log4j.logger;

use 

import org.apache.logging.log4j.logger;

and define instance of logger

private static final logger logger = logmanager.getlogger("helloworld");

see sample http://logging.apache.org/log4j/2.x/manual/api.html

this has nothing todo gradle


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