SpringCloud启动异常

记录一个SpringCloud-redis启动时的异常

java.lang.AbstractMethodError: null
    at org.springframework.core.OrderComparator.findOrder(OrderComparator.java:142) ~[spring-core-5.0.7.RELEASE.jar:5.0.7.RELEASE]
    at org.springframework.core.annotation.AnnotationAwareOrderComparator.findOrder(AnnotationAwareOrderComparator.java:65) ~[spring-core-5.0.7.RELEASE.jar:5.0.7.RELEASE]
    at org.springframework.core.OrderComparator.getOrder(OrderComparator.java:125) ~[spring-core-5.0.7.RELEASE.jar:5.0.7.RELEASE]
    at org.springframework.core.OrderComparator.getOrder(OrderComparator.java:113) ~[spring-core-5.0.7.RELEASE.jar:5.0.7.RELEASE]
    at org.springframework.core.OrderComparator.doCompare(OrderComparator.java:82) ~[spring-core-5.0.7.RELEASE.jar:5.0.7.RELEASE]
    at org.springframework.core.OrderComparator.compare(OrderComparator.java:68) ~[spring-core-5.0.7.RELEASE.jar:5.0.7.RELEASE]
    at java.util.TimSort.countRunAndMakeAscending(TimSort.java:360) ~[na:1.8.0_161]
    at java.util.TimSort.sort(TimSort.java:220) ~[na:1.8.0_161]
    at java.util.Arrays.sort(Arrays.java:1512) ~[na:1.8.0_161]
    at java.util.ArrayList.sort(ArrayList.java:1462) ~[na:1.8.0_161]
    at org.springframework.boot.SpringApplication.asUnmodifiableOrderedSet(SpringApplication.java:1322) [spring-boot-2.0.3.RELEASE.jar:2.0.3.RELEASE]
    at org.springframework.boot.SpringApplication.getListeners(SpringApplication.java:1231) [spring-boot-2.0.3.RELEASE.jar:2.0.3.RELEASE]
    at org.springframework.boot.context.event.EventPublishingRunListener.contextLoaded(EventPublishingRunListener.java:85) ~[spring-boot-2.0.3.RELEASE.jar:2.0.3.RELEASE]
    at org.springframework.boot.SpringApplicationRunListeners.contextLoaded(SpringApplicationRunListeners.java:66) ~[spring-boot-2.0.3.RELEASE.jar:2.0.3.RELEASE]
    at org.springframework.boot.SpringApplication.prepareContext(SpringApplication.java:391) [spring-boot-2.0.3.RELEASE.jar:2.0.3.RELEASE]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:325) [spring-boot-2.0.3.RELEASE.jar:2.0.3.RELEASE]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1255) [spring-boot-2.0.3.RELEASE.jar:2.0.3.RELEASE]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1243) [spring-boot-2.0.3.RELEASE.jar:2.0.3.RELEASE]
    at com.example.simple.SimpleRiteRedisDemoApplication.main(SimpleRiteRedisDemoApplication.java:10) [classes/:na]

查了一番资料，发现是Spring-cloud版本不兼容的问题，后来检查我parent项目中指定了版本， model中也指定了另外一个版本，导致冲突了
解决办法

    <properties>
        <java.version>1.8</java.version>
        <!--<spring-cloud.version>Greenwich.SR1</spring-cloud.version>-->
    </properties>

把model中的 spring-cloud的版本号注释了就可以了