如题，配置文件如下：
#注册中心配置
eureka:
instance:
instanceId: ${spring.application.name}:${random.int}
hostname: sxd
client:
serviceUrl:
defaultZone: http://es1:18000/eureka/,http://es2:18001/eureka/
#Spring 配置
spring:
aop:
auto: true
proxy-target-class: false
application:
name: pisen-cloud-luna-ms-unions
#Sring cloud 配置
jpa:
showSql: true
properties:
hibernate:
hbm2ddl:
auto: update
server:
port: 58860 druid:
url: jdbc:log4jdbc:mysql://lunadbs:33060/ms-goods?useSSL=false&useUnicode=true&characterEncoding=UTF-8
driverClass: net.sf.log4jdbc.DriverSpy
username: root
password: 123456
initialSize: 1
minIdle: 1
maxActive: 20
testOnBorrow: true
mybatis:
mapperLocations: classpath:mapper/*Mapper.xml
typeAliasesPackage : com.pisen.cloud.luna.ms.unions.base.domain #日志
logging:
level: debug #namesrvAddr地址
#生产者group名称
#事务生产者group名称
#消费者group名称
#生产者实例名称
#消费者实例名称
#事务生产者实例名称
#一次最大消费多少数量消息
#广播消费
#消费的topic：tag
#启动的时候是否消费历史记录
#启动顺序消费
zebra:
rocketmq:
namesrvAddr: 127.0.0.1:9876
producerGroupName: producerGroupName
transactionProducerGroupName: transactionProducerGroupName
consumerGroupName: consumerGroupName
producerInstanceName: producerInstanceName
consumerInstanceName: consumerInstanceName
producerTranInstanceName: producerTranInstanceName
consumerBatchMaxSize: 1
consumerBroadcasting: false
subscribe[0]: TopicTest1:TagA
enableHisConsumer: false
enableOrderConsumer: true
然后使用注解@ConfigurationProperties读取配置文件
package com.pisen.cloud.luna.ms.unions.rocketmq.properties; import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component; import java.util.ArrayList;
import java.util.List; /**
* 解析 配置文件
*/
@ConfigurationProperties(prefix = RocketmqProperties.PREFIX)
public class RocketmqProperties { public static final String PREFIX = "zebra.rocketmq"; private String namesrvAddr;
private String producerGroupName;
private String transactionProducerGroupName;
private String consumerGroupName;
private String producerInstanceName;
private String consumerInstanceName;
private String producerTranInstanceName;
private int consumerBatchMaxSize;
private boolean consumerBroadcasting;
private boolean enableHisConsumer;
private boolean enableOrderConsumer;
private List subscribe = new ArrayList<>(); public String getNamesrvAddr() {
return namesrvAddr;
} public void setNamesrvAddr(String namesrvAddr) {
this.namesrvAddr = namesrvAddr;
} public String getProducerGroupName() {
return producerGroupName;
} public void setProducerGroupName(String producerGroupName) {
this.producerGroupName = producerGroupName;
} public String getTransactionProducerGroupName() {
return transactionProducerGroupName;
} public void setTransactionProducerGroupName(String transactionProducerGroupName) {
this.transactionProducerGroupName = transactionProducerGroupName;
} public String getConsumerGroupName() {
return consumerGroupName;
} public void setConsumerGroupName(String consumerGroupName) {
this.consumerGroupName = consumerGroupName;
} public String getProducerInstanceName() {
return producerInstanceName;
} public void setProducerInstanceName(String producerInstanceName) {
this.producerInstanceName = producerInstanceName;
} public String getConsumerInstanceName() {
return consumerInstanceName;
} public void setConsumerInstanceName(String consumerInstanceName) {
this.consumerInstanceName = consumerInstanceName;
} public String getProducerTranInstanceName() {
return producerTranInstanceName;
} public void setProducerTranInstanceName(String producerTranInstanceName) {
this.producerTranInstanceName = producerTranInstanceName;
} public int getConsumerBatchMaxSize() {
return consumerBatchMaxSize;
} public void setConsumerBatchMaxSize(int consumerBatchMaxSize) {
this.consumerBatchMaxSize = consumerBatchMaxSize;
} public boolean isConsumerBroadcasting() {
return consumerBroadcasting;
} public void setConsumerBroadcasting(boolean consumerBroadcasting) {
this.consumerBroadcasting = consumerBroadcasting;
} public boolean isEnableHisConsumer() {
return enableHisConsumer;
} public void setEnableHisConsumer(boolean enableHisConsumer) {
this.enableHisConsumer = enableHisConsumer;
} public boolean isEnableOrderConsumer() {
return enableOrderConsumer;
} public void setEnableOrderConsumer(boolean enableOrderConsumer) {
this.enableOrderConsumer = enableOrderConsumer;
} public List getSubscribe() {
return subscribe;
} public void setSubscribe(List subscribe) {
this.subscribe = subscribe;
}
}
报错如下：org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'rocketmqAutoConfiguration': Unsatisfied dependenc
2018-07-20 15:30:25.059 ERROR 7344 --- [ main] o.s.boot.SpringApplication : Application startup failed org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'rocketmqAutoConfiguration': Unsatisfied dependency expressed through field 'properties'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'zebra.rocketmq-com.pisen.cloud.luna.ms.unions.rocketmq.properties.RocketmqProperties': Could not bind properties to RocketmqProperties (prefix=zebra.rocketmq, ignoreInvalidFields=false, ignoreUnknownFields=true, ignoreNestedProperties=false); nested exception is java.lang.NullPointerException
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:588) ~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88) ~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:366) ~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1264) ~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:553) ~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483) ~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) ~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) ~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) ~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197) ~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:761) ~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:866) ~[spring-context-4.3.7.RELEASE.jar:4.3.7.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:542) ~[spring-context-4.3.7.RELEASE.jar:4.3.7.RELEASE]
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:122) ~[spring-boot-1.5.2.RELEASE.jar:1.5.2.RELEASE]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:737) [spring-boot-1.5.2.RELEASE.jar:1.5.2.RELEASE]
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:370) [spring-boot-1.5.2.RELEASE.jar:1.5.2.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:314) [spring-boot-1.5.2.RELEASE.jar:1.5.2.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1162) [spring-boot-1.5.2.RELEASE.jar:1.5.2.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1151) [spring-boot-1.5.2.RELEASE.jar:1.5.2.RELEASE]
at com.pisen.cloud.luna.ms.unions.PisenCloudLunaMsUnionsApplication.main(PisenCloudLunaMsUnionsApplication.java:12) [classes/:na]
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'zebra.rocketmq-com.pisen.cloud.luna.ms.unions.rocketmq.properties.RocketmqProperties': Could not bind properties to RocketmqProperties (prefix=zebra.rocketmq, ignoreInvalidFields=false, ignoreUnknownFields=true, ignoreNestedProperties=false); nested exception is java.lang.NullPointerException
at org.springframework.boot.context.properties.ConfigurationPropertiesBindingPostProcessor.postProcessBeforeInitialization(ConfigurationPropertiesBindingPostProcessor.java:334) ~[spring-boot-1.5.2.RELEASE.jar:1.5.2.RELEASE]
at org.springframework.boot.context.properties.ConfigurationPropertiesBindingPostProcessor.postProcessBeforeInitialization(ConfigurationPropertiesBindingPostProcessor.java:291) ~[spring-boot-1.5.2.RELEASE.jar:1.5.2.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsBeforeInitialization(AbstractAutowireCapableBeanFactory.java:409) ~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1620) ~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:555) ~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483) ~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) ~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) ~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) ~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:208) ~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1138) ~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1066) ~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:585) ~[spring-beans-4.3.7.RELEASE.jar:4.3.7.RELEASE]
... 19 common frames omitted
Caused by: java.lang.NullPointerException: null
at org.springframework.boot.bind.RelaxedDataBinder.extendCollectionIfNecessary(RelaxedDataBinder.java:340) ~[spring-boot-1.5.2.RELEASE.jar:1.5.2.RELEASE]
at org.springframework.boot.bind.RelaxedDataBinder.initializePath(RelaxedDataBinder.java:290) ~[spring-boot-1.5.2.RELEASE.jar:1.5.2.RELEASE]
at org.springframework.boot.bind.RelaxedDataBinder.normalizePath(RelaxedDataBinder.java:259) ~[spring-boot-1.5.2.RELEASE.jar:1.5.2.RELEASE]
at org.springframework.boot.bind.RelaxedDataBinder.modifyProperty(RelaxedDataBinder.java:240) ~[spring-boot-1.5.2.RELEASE.jar:1.5.2.RELEASE]
at org.springframework.boot.bind.RelaxedDataBinder.modifyProperties(RelaxedDataBinder.java:155) ~[spring-boot-1.5.2.RELEASE.jar:1.5.2.RELEASE]
at org.springframework.boot.bind.RelaxedDataBinder.doBind(RelaxedDataBinder.java:128) ~[spring-boot-1.5.2.RELEASE.jar:1.5.2.RELEASE]
at org.springframework.validation.DataBinder.bind(DataBinder.java:740) ~[spring-context-4.3.7.RELEASE.jar:4.3.7.RELEASE]
at org.springframework.boot.bind.PropertiesConfigurationFactory.doBindPropertiesToTarget(PropertiesConfigurationFactory.java:272) ~[spring-boot-1.5.2.RELEASE.jar:1.5.2.RELEASE]
at org.springframework.boot.bind.PropertiesConfigurationFactory.bindPropertiesToTarget(PropertiesConfigurationFactory.java:240) ~[spring-boot-1.5.2.RELEASE.jar:1.5.2.RELEASE]
at org.springframework.boot.context.properties.ConfigurationPropertiesBindingPostProcessor.postProcessBeforeInitialization(ConfigurationPropertiesBindingPostProcessor.java:329) ~[spring-boot-1.5.2.RELEASE.jar:1.5.2.RELEASE]
... 32 common frames omitted
错误原因：
这里使用的配置文件是yml文件而不是properties文件，
所以读取资源文件的时候，
如果是读取yml文件，则应该配置成：
public static final String PREFIX = "zebra:rocketmq";
如果是读取properties文件，则应该配置成：
public static final String PREFIX = "zebra.rocketmq";
是真的恶心！！！！！