Failed to get nested archive for entry BOOT

环境：

springboot + kafka + ES 。。。。。。

maven3.6

jdk8

问题是 jar包启动失败报错，错误如下：

1Exception in thread "main" java.lang.IllegalStateException: Failed to get nested archive for entry BOOT-INF/lib/spring-kafka-2.2.7.RELEASE.jar
2        at org.springframework.boot.loader.archive.JarFileArchive.getNestedArchive(JarFileArchive.java:108)
3        at org.springframework.boot.loader.archive.JarFileArchive.getNestedArchives(JarFileArchive.java:86)
4        at org.springframework.boot.loader.ExecutableArchiveLauncher.getClassPathArchives(ExecutableArchiveLauncher.java:70)
5        at org.springframework.boot.loader.Launcher.launch(Launcher.java:49)
6        at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:51)
7Caused by: java.io.IOException: Unable to open nested jar file 'BOOT-INF/lib/spring-kafka-2.2.7.RELEASE.jar'
8        at org.springframework.boot.loader.jar.JarFile.getNestedJarFile(JarFile.java:256)
9        at org.springframework.boot.loader.jar.JarFile.getNestedJarFile(JarFile.java:241)
10        at org.springframework.boot.loader.archive.JarFileArchive.getNestedArchive(JarFileArchive.java:103)
11        ... 4 more
12Caused by: java.lang.IllegalStateException: Unable to open nested entry 'BOOT-INF/lib/spring-kafka-2.2.7.RELEASE.jar'. It has been compressed and nested jar files must be stored without compression. Please check the mechanism used to create your executable jar file
13        at org.springframework.boot.loader.jar.JarFile.createJarFileFromFileEntry(JarFile.java:284)
14        at org.springframework.boot.loader.jar.JarFile.createJarFileFromEntry(JarFile.java:264)
15        at org.springframework.boot.loader.jar.JarFile.getNestedJarFile(JarFile.java:252)
16        ... 6 more

pom.xml文件如下

1<!-- spring-boot-starter-data-elasticsearch -->
2        <dependency>
3            <groupId>org.springframework.boot</groupId>
4            <artifactId>spring-boot-starter-data-elasticsearch</artifactId>
5        </dependency>
6        <!-- elasticsearch-rest-high-level-client -->
7        <dependency>
8            <groupId>org.elasticsearch.client</groupId>
9            <artifactId>elasticsearch-rest-high-level-client</artifactId>
10        </dependency>
11
12        <!--swagger2-->
13        <dependency>
14            <groupId>io.springfox</groupId>
15            <artifactId>springfox-swagger2</artifactId>
16            <version>2.6.1</version>
17        </dependency>
18
19        <dependency>
20            <groupId>io.springfox</groupId>
21            <artifactId>springfox-swagger-ui</artifactId>
22            <version>2.6.1</version>
23        </dependency>
24
25        <!-- devtools -->
26        <dependency>
27            <groupId>org.springframework.boot</groupId>
28            <artifactId>spring-boot-devtools</artifactId>
29            <scope>runtime</scope>
30            <optional>true</optional>
31        </dependency>
32        <!--sofaboot测试插件-->
33        <dependency>
34            <groupId>com.alipay.sofa</groupId>
35            <artifactId>test-sofa-boot-starter</artifactId>
36        </dependency>
37        <dependency>
38            <groupId>org.springframework.boot</groupId>
39            <artifactId>spring-boot-starter-test</artifactId>
40            <scope>test</scope>
41            <exclusions>
42                <exclusion>
43                    <groupId>org.junit.vintage</groupId>
44                    <artifactId>junit-vintage-engine</artifactId>
45                </exclusion>
46            </exclusions>
47        </dependency>
48        <!-- mybatis -->
49        <dependency>
50            <groupId>org.mybatis.spring.boot</groupId>
51            <artifactId>mybatis-spring-boot-starter</artifactId>
52            <version>1.3.2</version>
53        </dependency>
54    </dependencies>
55    <build>
56        <plugins>
57            <plugin>
58                <groupId>org.springframework.boot</groupId>
59                <artifactId>spring-boot-maven-plugin</artifactId>
60            </plugin>
61               <plugin>
62                    <groupId>org.apache.maven.plugins</groupId>
63                    <artifactId>maven-shade-plugin</artifactId>
64                    <version>3.1.0</version>
65                    <executions>
66                        <execution>
67                            <phase>package</phase>
68                            <goals><goal>shade</goal></goals>
69                            <configuration>
70                                <relocations>
71                                    <relocation>
72                                        <pattern>org.apache.http</pattern>
73                                        <shadedPattern>hidden.org.apache.http</shadedPattern>
74                                    </relocation>
75                                    <relocation>
76                                        <pattern>org.apache.logging</pattern>
77                                        <shadedPattern>hidden.org.apache.logging</shadedPattern>
78                                    </relocation>
79                                    <relocation>
80                                        <pattern>org.apache.commons.codec</pattern>
81                                        <shadedPattern>hidden.org.apache.commons.codec</shadedPattern>
82                                    </relocation>
83                                    <relocation>
84                                        <pattern>org.apache.commons.logging</pattern>
85                                        <shadedPattern>hidden.org.apache.commons.logging</shadedPattern>
86                                    </relocation>
87                                </relocations>
88                            </configuration>
89                        </execution>
90                    </executions>
91                </plugin>
92            </plugins>
93    </build>
94    <repositories>

错误原因分析：

Pom中采用了maven-shade-plugin，最终生成了fat包，超过Spring Boot Loader的上限。因此，在B模块的Pom中直接移除了maven-shade-plugin插件，使得该依赖大小符合要求。

解决办法：

注释掉红圈的plugin。