标签：log framework source bat nap lex man parse end
对于不包含MANIFEST.MF，或jar包中的MANIFEST.MF未指定MainClass的jar，可以通过java命令行选项-classpath指定classpath。但是如果是包含MainClass的jar，例如：
Manifest-Version: 1.0
Bundle-License: http://www.apache.org/licenses/LICENSE-2.0.txt
Bundle-SymbolicName: org.mybatis.generator.mybatis-generator-core
Archiver-Version: Plexus Archiver
Built-By: zjhua
Bnd-LastModified: 1559632976998
Specification-Title: MyBatis Generator Core
Implementation-Vendor-Id: org.mybatis.generator
Bundle-DocURL: http://www.mybatis.org/mybatis-generator/mybatis-genera
tor-core/
Include-Resource: org/mybatis/generator/config/xml/ibator-config_1_0.d
td=src/main/resources/org/mybatis/generator/config/xml/ibator-config_
1_0.dtd,org/mybatis/generator/config/xml/mybatis-generator-config_1_0
.dtd=src/main/resources/org/mybatis/generator/config/xml/mybatis-gene
rator-config_1_0.dtd,org/mybatis/generator/internal/util/messages/mes
sages.properties=src/main/resources/org/mybatis/generator/internal/ut
il/messages/messages.properties
Import-Package: com.mysql.jdbc,javax.xml.parsers,org.apache.commons.la
ng3,org.apache.log4j,org.apache.tools.ant,org.apache.tools.ant.types,
org.w3c.dom,org.xml.sax
Require-Capability: osgi.ee;filter:="(&(osgi.ee=JavaSE)(version=1.6))"
Main-Class: org.mybatis.generator.api.ShellRunner
Implementation-Build-Date: 2019-06-04 07:22:46+0000
其classpath可以通过maven打包插件指定，如下：
<plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-jar-plugin</artifactId> <configuration> <archive> <manifest> <addClasspath>true</addClasspath> <classpathPrefix>lib/</classpathPrefix> <mainClass>com.xxx.uploadFile</mainClass> </manifest> </archive> </configuration> </plugin>
这样和jar文件在同一目录的lib/下的所有jar就都是能够访问到了。
然后我们通过maven-dependency-plugin插件将特定的包拷贝到lib目录，如下：
<plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-dependency-plugin</artifactId> <version>3.0.1</version> <executions> <execution> <id>copy</id> <phase>package</phase> <goals> <goal>copy</goal> </goals> <configuration> <artifactItems> <artifactItem> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.11</version> <outputDirectory>${project.build.directory}/lib/lib1</outputDirectory> </artifactItem> <artifactItem> <groupId>org.slf4j</groupId> <artifactId>slf4j-log4j12</artifactId> <version>1.7.7</version> <outputDirectory>${project.build.directory}/lib/lib1</outputDirectory> </artifactItem> </artifactItems> </configuration> </execution> </executions> </plugin>
也可以拷贝所有依赖，如下：
<plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-dependency-plugin</artifactId> <executions> <execution> <id>copy-dependencies</id> <phase>prepare-package</phase> <goals> <goal>copy-dependencies</goal> </goals> <configuration> <outputDirectory>${project.build.directory}/lib</outputDirectory> <overWriteReleases>false</overWriteReleases> <overWriteSnapshots>false</overWriteSnapshots> <overWriteIfNewer>true</overWriteIfNewer> </configuration> </execution> </executions> </plugin>
实际情况是我们通常希望基础三方库打到包中，应用jar拷贝到lib目录，同时兼顾易升级和管理复杂性，所以最终是这样的。
<plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> <configuration> <layout>ZIP</layout> <mainClass>org.abc.ConsumerStarter</mainClass> <excludes> <exclude> <groupId>abc.org</groupId> <artifactId>biz-service</artifactId> </exclude> </excludes> <includeSystemScope>true</includeSystemScope> </configuration> <executions> <execution> <goals> <goal>repackage</goal> </goals> </execution> </executions> </plugin> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-dependency-plugin</artifactId> <version>3.1.1</version> <executions> <execution> <id>copy</id> <phase>package</phase> <goals> <goal>copy</goal> </goals> <configuration> <artifactItems> <artifactItem> <groupId>abc.org</groupId> <artifactId>biz-service</artifactId> <version>1.1.0</version> <outputDirectory>${project.build.directory}/lib</outputDirectory> </artifactItem> </artifactItems> </configuration> </execution> </executions> </plugin>
这样打出来的jar就不包含biz-service，在单独的lib目录中。结合layout ZIP特性，就可以完美实现增量升级。
包含MANIFEST.MF的jar可执行应用指定classpath及spring boot应用增量升级打包实现
标签：log framework source bat nap lex man parse end
原文地址：https://www.cnblogs.com/zhjh256/p/10987038.html
