SpringBoot Gradle插件不会重新打包Maven子模块(内部变通方法)

时间:2018-09-26 10:30:08

标签: spring-boot gradle

我的SpringBoot项目依赖于一个大型Maven项目:

aSpringBootProject / build.gradle:

...
dependencies {
    ...
    implementation 'my.big:maven.dependency'
    ...
}

这个大的Maven项目依赖于仅包含依赖项的subModule:

bigMavenDependency / pom.xml

...
<dependencies>
    ...
    <dependency>
        <group>my.big</group>
        <artefact>sub.module</artefact>
    </dependency>
    ...
</dependencies>

bigSubModule / pom.xml

...
<package>pom</package>
...
<dependencies>
    <!-- a lot of dependencies here -->
</dependencies>

构建bootJar并运行它(java -jar aSpringBootProject.jar)时,出现此错误:

Exception in thread "main" java.lang.IllegalStateException: Failed to get nested archive for entry BOOT-INF/lib/sub-module-1.0-SNAPSHOT.pom
    at org.springframework.boot.loader.archive.JarFileArchive.getNestedArchive(JarFileArchive.java:108)
...
Caused by: java.io.IOException: Unable to open nested jar file 'BOOT-INF/lib/sub-module-1.0-SNAPSHOT.pom'
    at org.springframework.boot.loader.jar.JarFile.getNestedJarFile(JarFile.java:254)
...   
Caused by: java.io.IOException: Unable to find ZIP central directory records after reading 2628 bytes
    at org.springframework.boot.loader.jar.CentralDirectoryEndRecord.<init>(CentralDirectoryEndRecord.java:65)

解压缩bootJar会给我一个pom文件,其中应该包含很多jar文件。

gradle bootRun命令就像一个超级按钮。

一种解决方法是排除子模块,然后将其作为依赖项添加到我的build.gradle中:

...
dependencies {
    ...
    implementation 'my.big:maven.dependency' {
        exclude 'my.big:sub.module'
    }
    implementation 'my.big:sub.module'
    ...
}

我在哪里错了?

1 个答案:

答案 0 :(得分:1)

您可以尝试:

...
<dependencies>
    ...
    <dependency>
        <group>my.big</group>
        <artefact>sub.module</artefact>
        (here try <packaging>jar</packaging> or <type>jar</type>)
    </dependency>
    ...
</dependencies>

在spring的bo​​ot-jar中使用compile group: 'com.fasterxml.jackson', name: 'jackson-bom', version: '2.9.8', ext: 'pom'时,gradle中存在相同的问题。当我删除, ext: 'pom'后,问题就解决了。