看也知道,绑定问题。具体原因还是冲突了。报错看最下边,先上解决方案
因为log4j出现漏洞,然后升级了log4j,发现原来的logback没打印日志了,仔细一看,没引依赖。引入进来之后,启动又报错了。
---------- ch.qos.logback
解决方案:
在log4j的引入中,排除掉冲突的那个依赖
<!--修复log4j-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-log4j2</artifactId>
<exclusions>
<exclusion>
<!--排除这个带漏洞的版本-->
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-api</artifactId>
</exclusion>
<exclusion>
<!--排除这个带漏洞的版本-->
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-core</artifactId>
</exclusion>
<exclusion>
<!--我暂时没用到,但是直接排除依赖了-->
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-jul</artifactId>
</exclusion>
<exclusion>
<!--主要是排除这个和logback冲突-->
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-slf4j-impl</artifactId>
</exclusion>
</exclusions>
</dependency>
引入logback 和最新没漏洞的log4j
<!--日志logback-->
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>1.2.3</version>
</dependency>
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-core</artifactId>
<version>1.2.3</version>
</dependency>
<!--修复log4j-->
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-api</artifactId>
<version>2.16.0</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-slf4j-impl</artifactId>
<version>2.16.0</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-core</artifactId>
<version>2.16.0</version>
</dependency>
报错如下:
"C:\Program Files\Java\jdk1.8.0_131\bin\java.exe" .................
Connected to the target VM, address: '127.0.0.1:64411', transport: 'socket'
SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/D:/App%20Tools/apache-maven-3.6.3/repository/org/apache/logging/log4j/log4j-slf4j-impl/2.13.2/log4j-slf4j-impl-2.13.2.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/D:/App%20Tools/apache-maven-3.6.3/repository/ch/qos/logback/logback-classic/1.2.3/logback-classic-1.2.3.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j/codes.html#multiple_bindings for an explanation.
SLF4J: Actual binding is of type [org.apache.logging.slf4j.Log4jLoggerFactory]
Exception in thread "main" java.lang.IllegalArgumentException: LoggerFactory is not a Logback LoggerContext but Logback is on the classpath. Either remove Logback or the competing implementation (class org.apache.logging.slf4j.Log4jLoggerFactory loaded from file:/D:/App%20Tools/apache-maven-3.6.3/repository/org/apache/logging/log4j/log4j-slf4j-impl/2.13.2/log4j-slf4j-impl-2.13.2.jar). If you are using WebLogic you will need to add 'org.slf4j' to prefer-application-packages in WEB-INF/weblogic.xml: org.apache.logging.slf4j.Log4jLoggerFactory
at org.springframework.util.Assert.instanceCheckFailed(Assert.java:696)
at org.springframework.util.Assert.isInstanceOf(Assert.java:596)
at org.springframework.boot.logging.logback.LogbackLoggingSystem.getLoggerContext(LogbackLoggingSystem.java:284)
at org.springframework.boot.logging.logback.LogbackLoggingSystem.beforeInitialize(LogbackLoggingSystem.java:104)
at org.springframework.boot.context.logging.LoggingApplicationListener.onApplicationStartingEvent(LoggingApplicationListener.java:232)
at org.springframework.boot.context.logging.LoggingApplicationListener.onApplicationEvent(LoggingApplicationListener.java:213)
at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172)
at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165)
at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139)
at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:127)
at org.springframework.boot.context.event.EventPublishingRunListener.starting(EventPublishingRunListener.java:74)
at org.springframework.boot.SpringApplicationRunListeners.starting(SpringApplicationRunListeners.java:47)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:305)
at com.hnj.yq.browser.YqBrowserApplication.main(YqBrowserApplication.java:23)
Disconnected from the target VM, address: '127.0.0.1:64411', transport: 'socket'
Process finished with exit code 1
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ch.qos.logback引入失败,和log4j的包冲突:SLF4J: Class path contains multiple SLF4J bindings
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