无法从jar文件执行Optaplanner 7.13.0 [英] Optaplanner 7.13.0 cant be executed from a jar file
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问题描述
我正在使用optaplanner jar建立一个项目来解决车辆路径问题.构建jar之后，我无法调用主类，这是我得到的错误:
I am building a project using optaplanner jar to solve a vehicle routing problem. After building the jar, I am unable to invoke the main class and this is the error I get:
513 [main] INFO org.kie.api.internal.utils.ServiceDiscoveryImpl - Loading kie.conf from jar:file:/Users/meena/Documents/SourceCode/Comma_code/comma_code/sources/target/comma-1.0-SNAPSHOT-jar-with-dependencies.jar!/META-INF/kie.conf in classloader sun.misc.Launcher$AppClassLoader@55f96302
515 [main] INFO org.kie.api.internal.utils.ServiceDiscoveryImpl - Adding Service +org.optaplanner.core.impl.solver.kie.KieSolverAssemblerService
Exception in thread "main" java.lang.ExceptionInInitializerError
at org.kie.api.internal.utils.ServiceRegistry.getInstance(ServiceRegistry.java:27)
at org.kie.api.KieServices$Factory$LazyHolder.<clinit>(KieServices.java:332)
at org.kie.api.KieServices$Factory.get(KieServices.java:339)
at org.optaplanner.core.config.score.director.ScoreDirectorFactoryConfig.buildDroolsScoreDirectorFactory(ScoreDirectorFactoryConfig.java:499)
at org.optaplanner.core.config.score.director.ScoreDirectorFactoryConfig.buildScoreDirectorFactory(ScoreDirectorFactoryConfig.java:350)
at org.optaplanner.core.config.solver.SolverConfig.buildSolver(SolverConfig.java:255)
at org.optaplanner.core.impl.solver.AbstractSolverFactory.buildSolver(AbstractSolverFactory.java:61)
at com.abc.planner.app.UavRoutingApp.<init>(UavRoutingApp.java:57)
at com.abc.planner.app.UavRoutingApp.main(UavRoutingApp.java:110)
Caused by: java.lang.RuntimeException: Child services [org.kie.api.internal.assembler.KieAssemblers] have no parent
at org.kie.api.internal.utils.ServiceDiscoveryImpl.buildMap(ServiceDiscoveryImpl.java:180)
at org.kie.api.internal.utils.ServiceDiscoveryImpl.getServices(ServiceDiscoveryImpl.java:97)
at org.kie.api.internal.utils.ServiceRegistryImpl.<init>(ServiceRegistryImpl.java:36)
at org.kie.api.internal.utils.ServiceRegistryImpl$LazyHolder.<clinit>(ServiceRegistryImpl.java:32)
... 9 more
我调查了Stackoverflow问题，但找不到解决该问题的解决方案.
I have looked into Stackoverflow questions but was unable to find a solution that resolved it.
这是我的POM文件的副本.
Here is a copy of my POM file.
<?xml version="1.0" encoding="UTF-8"?>
<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>com.abc</groupId>
<artifactId>proj_xyz</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>jar</packaging>
<name>comma</name>
<url>http://www.barnstormresearch.com</url>
<!-- see https://www.optaplanner.org/download/download.html for planner version and mvn dependency
-->
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.optaplanner</groupId>
<artifactId>optaplanner-core</artifactId>
<version>7.13.0.Final</version>
</dependency>
<!--dependency>
<groupId>org.optaplanner</groupId>
<artifactId>optaplanner-persistence-common</artifactId>
<version>7.13.0.Final</version>
</dependency-->
<dependency><!-- Most examples use the XStream integration -->
<groupId>org.optaplanner</groupId>
<artifactId>optaplanner-persistence-xstream</artifactId>
<version>7.13.0.Final</version>
</dependency>
<!--dependency>
<groupId>org.optaplanner</groupId>
<artifactId>optaplanner-benchmark</artifactId>
<version>7.13.0.Final</version>
</dependency-->
<!--dependency>
<groupId>org.kie</groupId>
<artifactId>kie-api</artifactId>
<version>7.12.0.Final</version>
</dependency>
<dependency>
<groupId>org.drools</groupId>
<artifactId>drools-decisiontables</artifactId>
<version>7.12.0.Final</version>
<scope>runtime</scope>
</dependency-->
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>2.6</version>
</dependency>
<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
<version>20.0</version>
</dependency>
<!-- Logging -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>1.7.25</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-simple</artifactId>
<version>1.6.4</version>
</dependency>
</dependencies>
<build>
<resources>
<resource>
<directory>src/main/resources</directory>
<includes>
<include>**/*</include>
</includes>
</resource>
</resources>
<sourceDirectory>src/main/java</sourceDirectory>
<plugins>
<plugin>
<artifactId>maven-clean-plugin</artifactId>
<version>3.0.0</version>
</plugin>
<!-- see http://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_jar_packaging -->
<plugin>
<artifactId>maven-resources-plugin</artifactId>
<version>3.0.2</version>
</plugin>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.7.0</version>
<!-- set the java version -->
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
<plugin>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.20.1</version>
</plugin>
<!--plugin>
<artifactId>maven-jar-plugin</artifactId>
<version>3.0.2</version>
</plugin-->
<plugin>
<artifactId>maven-install-plugin</artifactId>
<version>2.5.2</version>
</plugin>
<plugin>
<artifactId>maven-deploy-plugin</artifactId>
<version>2.8.2</version>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-assembly-plugin</artifactId>
<version>3.1.0</version>
<configuration>
<archive>
<manifest>
<addClasspath>true</addClasspath>
<mainClass>
com.abc.planner.app.UavRoutingApp
</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>
</plugins>
</build>
它是从IDE执行的.我提取了jar文件，发现只有1个META_INF/kie.conf
It is executing from the IDE. I have extracted the jar files and found only 1 META_INF/kie.conf
任何想法都很感激.
谢谢
推荐答案
这看起来像是流口水和Uber-jar(或fat-jar或one-jar)问题.我在drools文档网站上找到了这个东西:
It looks like a drools and Uber-jar(or fat-jar or one-jar) issue. I found this on the drools documentation site:
此修复程序比其他建议的修复程序简单得多.
This is a much simpler fix than some of the others suggested.
我进行了此处建议的更改，并使用maven shade插件构建了一个jar，现在可以使用了.我将示例pom文件粘贴给将遇到此问题的其他用户:
I made the change suggested here and used the maven shade plugin to build a single jar and it works now. I am pasting my sample pom file for other users who will run into this issue:
将其添加到"maven-shade-plugin"部分:
Add this to the maven-shade-plugin section:
<transformer implementation="org.apache.maven.plugins.shade.resource.AppendingTransformer">
<resource>META-INF/kie.conf</resource>
</transformer>
我最后的pom.xml
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<version>3.2.0</version>
<executions>
<!-- Run shade goal on package phase -->
<execution>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
<configuration>
<transformers>
<!-- add Main-Class to manifest file -->
<transformer
implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
<mainClass>com.abc.planner.app.UavRoutingApp</mainClass>
<!-- -Dlog4j.configurationFile=../properties/idStrikeSolver-log4j.properties -Duser.timezone="UTC" -->
</transformer>
<transformer
implementation="org.apache.maven.plugins.shade.resource.AppendingTransformer">
<resource>META-INF/kie.conf</resource>
</transformer>
</transformers>
</configuration>
</execution>
</executions>
</plugin>
希望这对其他人也有帮助！感谢您的帮助，Geoffrey.
Hope this helps others too! Thanks for your help Geoffrey.
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