Java LinkageError-加载程序约束冲突-解析方法时“;org.slf4j.impl.StaticLoggerBinder.getLoggerFactory();
我遇到以下错误:Java LinkageError-加载程序约束冲突-解析方法时“;org.slf4j.impl.StaticLoggerBinder.getLoggerFactory();,java,tomcat,maven-2,classloader,slf4j,Java,Tomcat,Maven 2,Classloader,Slf4j,我遇到以下错误: ContextListenerjava.lang.LinkageError:加载程序约束冲突:解析方法时 “org.slf4j.impl.StaticLoggerBinder.getLoggerFactory()Lorg/slf4j/ILoggerFactory;”类加载器“org.apache.catalina.loader”。WebappClassLoader@4d1cc3c3(URL:['],父项:[)'java.net。URLClassLoader@4fccd51b当前
ContextListenerjava.lang.LinkageError:加载程序约束冲突:解析方法时
“org.slf4j.impl.StaticLoggerBinder.getLoggerFactory()Lorg/slf4j/ILoggerFactory;”类加载器“org.apache.catalina.loader”。WebappClassLoader@4d1cc3c3(URL:['],父项:[)'java.net。URLClassLoader@4fccd51b当前类org/slf4j/LoggerFactory和类加载器系统(URL:[''文件:/usr/lib/jvm/jvm_8/jvm_8/lib/jvmx.jar')的“]),
'文件:/usr/lib/jvm/jvm_8/jvm_8/lib/tools.jar',
'文件:/
....
似乎我的云平台默认包是slf4j
,我得到了这个错误,因为我也将slf4j作为依赖项放在我的pom文件中,两个不同的类加载器正在加载slf4j
我解决这个问题的方法是将pom中的依赖范围更改为提供
但副作用是我无法在本地tomcat上运行它,因为它找不到slf4j库
在这种情况下,可以做些什么,使我的war在我的云平台和本地tomcat上都能正常运行?您可以在pom.xml中使用不同的配置文件 SAP云平台示例:
<profiles>
<profile>
<id>local</id>
<properties>
<packaging.type>jar</packaging.type>
</properties>
<activation>
<activeByDefault>true</activeByDefault>
</activation>
<dependencies>
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
</dependency>
</dependencies>
</profile>
<profile>
<id>scp</id>
<properties>
<packaging.type>war</packaging.type>
</properties>
<build>
<finalName>LoraConnector</finalName>
</build>
<activation>
<activeByDefault>false</activeByDefault>
</activation>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-logging</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>jul-to-slf4j</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
</profile>
</profiles>
如果您使用的是spring-boot-starter-web-1.5.1.RELEASE.jar,那么您需要排除jul-to-slf4j-1.7.22.jar、jcl-over-slf4j-1.7.22.jar。这两个jar具有冲突的slf4j api。
maven war插件2.6
WEB-INF/lib/jcl-over-slf4j-1.7.22.jar,WEB-INF/lib/jul-to-slf4j-1.7.22.jar
mvn -P scp clean package