[英]Java netty io/netty/channel/EventLoopGroup not found
I get an exception我得到一个例外
Caused by: java.lang.ClassNotFoundException: io.netty.channel.EventLoopGroup
引起:java.lang.ClassNotFoundException:io.netty.channel.EventLoopGroup
when trying to start my server from runnable jar file, it works fine in IDE, but not in jar version.当尝试从可运行的 jar 文件启动我的服务器时,它在 IDE 中运行良好,但在 jar 版本中运行不正常。 I don't understand why this is happening.
我不明白为什么会这样。 What is missing here ?
这里缺少什么? I use intellij and maven.
我使用intellij和maven。
<?xml version="1.0" encoding="UTF-8"?>
http://maven.apache.org/xsd/maven-4.0.0.xsd"> 4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> 4.0.0
<groupId>Tcp-Server-listener-application</groupId>
<artifactId>TCPSLA</artifactId>
<version>1.0-SNAPSHOT</version>
<name>Listener</name>
<properties>
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>1.8</maven.compiler.target>
</properties>
<dependencies>
<dependency>
<groupId>io.netty</groupId>
<artifactId>netty-all</artifactId>
<version>4.1.29.Final</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>de.saxsys</groupId>
<artifactId>mvvmfx</artifactId>
<version>1.7.0</version>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>1.7.5</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-simple</artifactId>
<version>1.6.4</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>3.7</version>
</dependency>
<dependency>
<groupId>org.apache.cassandra</groupId>
<artifactId>cassandra-all</artifactId>
<version>0.8.1</version>
<exclusions>
<exclusion>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
</exclusion>
<exclusion>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
</exclusion>
</exclusions>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<artifactId>maven-assembly-plugin</artifactId>
<configuration>
<archive>
<manifest>
<mainClass>Source.Main</mainClass>
</manifest>
</archive>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
</configuration>
<executions>
<execution>
<id>make-assembly</id>
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-failsafe-plugin</artifactId>
<version>2.18</version>
<executions>
<execution>
<id>integration-tests</id>
<goals>
<goal>integration-test</goal>
<goal>verify</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
While I can offer no explanation as to why it compiles, as did mine, but fails at runtime, I can offer a solution that worked for me:虽然我无法解释它为什么编译,就像我的一样,但在运行时失败,但我可以提供一个对我有用的解决方案:
<dependency>
<groupId>io.netty</groupId>
<artifactId>netty-all</artifactId>
<version>5.0.0.Alpha2</version>
</dependency>
Apparently, '4.1.29.Final' does not include EventLoopGroup显然,'4.1.29.Final' 不包括 EventLoopGroup
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