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[英]DefaultHttpClient throws Caused by: java.lang.ClassNotFoundException: org.slf4j.LoggerFactory
[英]Caused by: java.lang.ClassNotFoundException: org.slf4j.LoggerFactory
java和slf4j的一些問題使用想法制作項目,沒關系。 但是如果我嘗試用gradle制作jar,我會遇到一些問題。
的build.gradle
group 'test.test'
version '1.0-SNAPSHOT'
apply plugin: 'java'
sourceCompatibility = 1.8
repositories {
mavenCentral()
}
dependencies {
testCompile group: 'junit', name: 'junit', version: '4.11'
compile 'org.slf4j:slf4j-api:1.7.20'
compile 'ch.qos.logback:logback-classic:1.1.7'
}
jar {
manifest {
attributes 'Main-Class': 'Test'
}
}
Test.java
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class Test {
private static final Logger LOGGER = LoggerFactory.getLogger(Test.class);
public static void main(String[] args) {
LOGGER.info("info");
}
}
終奌站:
gradle build
java -jar target/HttpServer-1.0-SNAPSHOT.jar
輸出:
Exception in thread "main" java.lang.NoClassDefFoundError: org/slf4j/LoggerFactory
at HttpServerHH.Main.<clinit>(Main.java:15)
Caused by: java.lang.ClassNotFoundException: org.slf4j.LoggerFactory
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 1 more
我試圖使用gradle / maven(mvn包)同樣的問題。 有些原因它無法在classpath中找到Logger和LoggerFactory。
感謝邁克爾記住脂肪罐。 在您的評論嘗試谷歌:“gradle build fat jar”之后,它修改了我的build.gradle
jar {
from {
configurations.compile.collect {
it.isDirectory() ? it : zipTree(it)
}
}
manifest {
attributes 'Main-Class': 'Test'
}
}
dependencies {
compile group: 'commons-collections', name: 'commons-collections', version: '3.2'
testCompile group: 'junit', name: 'junit', version: '4.+'
compile 'ch.qos.logback:logback-core:1.1.6'
compile 'ch.qos.logback:logback-classic:1.1.6'
compile 'org.slf4j:slf4j-api:1.7.18'
}
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