java - 包含 Openshift Java RESTClient 时构建失败

Question

我有一个使用 Spring 的项目，一旦我将以下内容包含在我的 pom.xml 文件中:

<dependency>
<groupId>com.openshift</groupId>
<artifactId>openshift-restclient-java</artifactId>
<version>6.1.3.Final</version>
</dependency>

我收到以下一组错误。关于如何解决这个问题有什么想法吗？

SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/Users/m/.m2/repository/org/slf4j/slf4j-log4j12/1.7.25/slf4j-log4j12-1.7.25.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/Users/m/.m2/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.org/codes.html#multiple_bindings for an explanation.
SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory]
The Class-Path manifest attribute in /Users/m/.m2/repository/org/liquibase/liquibase-core/3.5.5/liquibase-core-3.5.5.jar referenced one or more files that do not exist: file:/Users/m/.m2/repository/org/liquibase/liquibase-core/3.5.5/lib/snakeyaml-1.13.jar
log4j:WARN No appenders could be found for logger (org.springframework.boot.devtools.settings.DevToolsSettings).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
Exception in thread "restartedMain" java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:49)
Caused by: java.lang.IllegalArgumentException: LoggerFactory is not a Logback LoggerContext but Logback is on the classpath. Either remove Logback or the competing implementation (class org.slf4j.impl.Log4jLoggerFactory loaded from file:/Users/m/.m2/repository/org/slf4j/slf4j-log4j12/1.7.25/slf4j-log4j12-1.7.25.jar). If you are using WebLogic you will need to add 'org.slf4j' to prefer-application-packages in WEB-INF/weblogic.xml: org.slf4j.impl.Log4jLoggerFactory
        at org.springframework.util.Assert.instanceCheckFailed(Assert.java:637)
        at org.springframework.util.Assert.isInstanceOf(Assert.java:537)
        at org.springframework.boot.logging.logback.LogbackLoggingSystem.getLoggerContext(LogbackLoggingSystem.java:286)
        at org.springframework.boot.logging.logback.LogbackLoggingSystem.beforeInitialize(LogbackLoggingSystem.java:102)
        at org.springframework.boot.context.logging.LoggingApplicationListener.onApplicationStartingEvent(LoggingApplicationListener.java:191)
        at org.springframework.boot.context.logging.LoggingApplicationListener.onApplicationEvent(LoggingApplicationListener.java:170)
        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:68)
        at org.springframework.boot.SpringApplicationRunListeners.starting(SpringApplicationRunListeners.java:48)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:319)
        at com.g2.automationstation.AutomationstationApp.main(AutomationstationApp.java:63)
        ... 5 more

Answer 1

Spring boot 和 Openshift 库都使用 slf4j，这是一个日志桥框架。但是，它们都包含不同的绑定(bind):

• Spring boot 包含 Logbback
• Openshift 包含 log4j

您可以通过排除其中之一来解决此问题，例如:

<!-- language: lang-xml -->
<dependency>
    <groupId>com.openshift</groupId>
    <artifactId>openshift-restclient-java</artifactId>
    <version>6.1.3.Final</version>
    <exclusions>
        <exclusion>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-log4j12</artifactId>
        </exclusion>
    </exclusions>
</dependency>