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[英]How to make Spring Boot include the manifest file in its repackaged WAR?
[英]How can I build two repackaged jars with Spring Boot
我試圖讓 spring-boot-maven-plugin 為兩個不同的主類構建兩個重新打包的 jar。 我在配置塊中添加了兩個帶有特定 mainClass 參數的執行塊,但插件似乎不尊重它,因為配置塊在執行塊內而不是在插件級別,我總是得到
Execution default of goal org.springframework.boot:spring-boot-maven-plugin:1.3.0.RELEASE:repackage failed: Unable to find a single main class from the following candidates [com.mystuff.tools.b4commandline.Application, com.mystuff.tools.loadtester.Application]
這是 pom 的 maven-spring-boot-maven 插件的插件部分。
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<executions>
<execution>
<id>${artifactId}</id>
<goals>
<goal>repackage</goal>
</goals>
<configuration>
<mainClass>com.mystuff.tools.loadtester.Application</mainClass>
<finalName>${artifactId}</finalName>
</configuration>
</execution>
<execution>
<id>b4-commandline</id>
<goals>
<goal>repackage</goal>
</goals>
<configuration>
<mainClass>com.mystuff.tools.b4commandline.Application</mainClass>
<finalName>b4-commandline</finalName>
</configuration>
</execution>
</executions>
</plugin>
對此的任何幫助都會很棒。 我在 stackoverflow 上看到了 maven-plugin 的食譜,但那些不適用於 spring-boot。
你可以用<classifier>
做到這一點。 例子:
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<version>2.0.3.RELEASE</version>
<executions>
<execution>
<id>Pack application 1</id>
<phase>package</phase>
<configuration>
<finalName>application</finalName>
<mainClass>com.test.Application1</mainClass>
<outputDirectory>target/application1</outputDirectory>
<classifier>1</classifier>
</configuration>
<goals>
<goal>repackage</goal>
</goals>
</execution>
<execution>
<id>Pack application 2</id>
<phase>package</phase>
<configuration>
<finalName>application</finalName>
<mainClass>com.test.Application2</mainClass>
<outputDirectory>target/application2</outputDirectory>
<classifier>2</classifier>
</configuration>
<goals>
<goal>repackage</goal>
</goals>
</execution>
</executions>
</plugin>
假設它可行,按照您的要求進行操作將意味着生成的 2 個 jar 將是相同的,除了它們的清單的main-class
屬性。 我寧願建議您打包一個 jar 並使用 spring 配置文件來啟動它:
$ java -jar -Dspring.profiles.active=profile1 YourApp.jar
$ java -jar -Dspring.profiles.active=profile2 YourApp.jar
這允許您定義 2 個application-${profile}.properties
和 @Conditional 配置類,所有這些都基於配置文件名稱。
我無法讓它在一個構建中同時工作(雖然我不是說這是不可能的),但是一種選擇是定義2 個 maven 配置文件:
<profiles>
<profile>
<id>one</id>
<activation>
<property>
<name>one</name>
</property>
</activation>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<executions>
<execution>
<id>default</id>
<goals>
<goal>repackage</goal>
</goals>
<configuration>
<mainClass>com.xyz.LauncherOne</mainClass>
<finalName>one</finalName>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</profile>
<profile>
<id>two</id>
<activation>
<property>
<name>two</name>
</property>
</activation>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<executions>
<execution>
<id>default</id>
<goals>
<goal>repackage</goal>
</goals>
<configuration>
<mainClass>com.xyz.LauncherTwo</mainClass>
<finalName>two</finalName>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</profile>
</profiles>
然后,使用兩個配置文件構建它兩次(使用我的代碼示例中的屬性激活):
$ mvn -Done clean install
$ mvn -Dtwo clean install
它創建: one.jar
和two.jar
看來你必須考慮沒有ID和ID的另一個執行的第一個執行; 然后它正在工作。 對我來說,下面工作正常:
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<executions>
<execution>
<!--<id>Batch 1(Don't put this one)</id>-->
<phase>package</phase>
<configuration>
<classifier>1</classifier>
<finalName>Core</finalName>
<mainClass>com.mainclass1</mainClass>
</configuration>
<goals>
<goal>repackage</goal>
</goals>
</execution>
<execution>
<id>Batch 2</id>
<phase>package</phase>
<configuration>
<classifier>2</classifier>
<finalName>BatchA</finalName>
<mainClass>com.mainclass2</mainClass>
</configuration>
<goals>
<goal>repackage</goal>
</goals>
</execution>
<execution>
<id>Batch 3</id>
<phase>package</phase>
<configuration>
<classifier>3</classifier>
<finalName>BatchB</finalName>
<mainClass>com.mainclass3</mainClass>
</configuration>
<goals>
<goal>repackage</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<configuration>
<testFailureIgnore>true</testFailureIgnore>
<skipTests>true</skipTests>
</configuration>
</plugin>
</plugins>
</build>
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