0x01 redis连接异常
先贴一张项目启动的堆栈信息
2023-02-06 11:20:14:162 warn [boundedelastic-1] o.s.b.a.d.r.redisreactivehealthindicator -redis health check failed org.springframework.data.redis.redisconnectionfailureexception: unable to connect to redis at org.springframework.data.redis.connection.lettuce.lettuceconnectionfactory$exceptiontranslatingconnectionprovider.translateexception(lettuceconnectionfactory.java:1602) at org.springframework.data.redis.connection.lettuce.lettuceconnectionfactory$exceptiontranslatingconnectionprovider.getconnection(lettuceconnectionfactory.java:1533) at org.springframework.data.redis.connection.lettuce.lettuceconnectionfactory$sharedconnection.getnativeconnection(lettuceconnectionfactory.java:1358) at org.springframework.data.redis.connection.lettuce.lettuceconnectionfactory$sharedconnection.getconnection(lettuceconnectionfactory.java:1341) at org.springframework.data.redis.connection.lettuce.lettuceconnectionfactory.getsharedreactiveconnection(lettuceconnectionfactory.java:1083) at org.springframework.data.redis.connection.lettuce.lettuceconnectionfactory.getreactiveconnection(lettuceconnectionfactory.java:479) at org.springframework.data.redis.connection.lettuce.lettuceconnectionfactory.getreactiveconnection(lettuceconnectionfactory.java:105) at reactor.core.publisher.monosupplier.call(monosupplier.java:67) at reactor.core.publisher.fluxsubscribeoncallable$callablesubscribeonsubscription.run(fluxsubscribeoncallable.java:227) at reactor.core.scheduler.schedulertask.call(schedulertask.java:68) at reactor.core.scheduler.schedulertask.call(schedulertask.java:28) at java.base/java.util.concurrent.futuretask.run(futuretask.java:264) at java.base/java.util.concurrent.scheduledthreadpoolexecutor$scheduledfuturetask.run(scheduledthreadpoolexecutor.java:304) at java.base/java.util.concurrent.threadpoolexecutor.runworker(threadpoolexecutor.java:1136) at java.base/java.util.concurrent.threadpoolexecutor$worker.run(threadpoolexecutor.java:635) at java.base/java.lang.thread.run(thread.java:833) caused by: org.springframework.data.redis.connection.poolexception: could not get a resource from the pool at org.springframework.data.redis.connection.lettuce.lettucepoolingconnectionprovider.getconnection(lettucepoolingconnectionprovider.java:105) at org.springframework.data.redis.connection.lettuce.lettuceconnectionfactory$exceptiontranslatingconnectionprovider.getconnection(lettuceconnectionfactory.java:1531) ... 14 common frames omitted caused by: io.lettuce.core.redisconnectionexception: unable to connect to localhost/<unresolved>:6379 at io.lettuce.core.redisconnectionexception.create(redisconnectionexception.java:78) at io.lettuce.core.redisconnectionexception.create(redisconnectionexception.java:56) at io.lettuce.core.abstractredisclient.getconnection(abstractredisclient.java:350) at io.lettuce.core.redisclient.connect(redisclient.java:216) at org.springframework.data.redis.connection.lettuce.standaloneconnectionprovider.lambda$getconnection$1(standaloneconnectionprovider.java:111) at java.base/java.util.optional.orelseget(optional.java:364) at org.springframework.data.redis.connection.lettuce.standaloneconnectionprovider.getconnection(standaloneconnectionprovider.java:111) at org.springframework.data.redis.connection.lettuce.lettucepoolingconnectionprovider.lambda$getconnection$0(lettucepoolingconnectionprovider.java:93) at io.lettuce.core.support.connectionpoolsupport$redispooledobjectfactory.create(connectionpoolsupport.java:211) at io.lettuce.core.support.connectionpoolsupport$redispooledobjectfactory.create(connectionpoolsupport.java:201) at org.apache.commons.pool2.basepooledobjectfactory.makeobject(basepooledobjectfactory.java:70) at org.apache.commons.pool2.impl.genericobjectpool.create(genericobjectpool.java:571) at org.apache.commons.pool2.impl.genericobjectpool.borrowobject(genericobjectpool.java:298) at org.apache.commons.pool2.impl.genericobjectpool.borrowobject(genericobjectpool.java:223) at io.lettuce.core.support.connectionpoolsupport$1.borrowobject(connectionpoolsupport.java:122) at io.lettuce.core.support.connectionpoolsupport$1.borrowobject(connectionpoolsupport.java:117) at org.springframework.data.redis.connection.lettuce.lettucepoolingconnectionprovider.getconnection(lettucepoolingconnectionprovider.java:99) ... 15 common frames omitted caused by: io.netty.channel.abstractchannel$annotatedconnectexception: connection refused: no further information: localhost/127.0.0.1:6379 caused by: java.net.connectexception: connection refused: no further information at java.base/sun.nio.ch.net.pollconnect(native method) at java.base/sun.nio.ch.net.pollconnectnow(net.java:672) at java.base/sun.nio.ch.socketchannelimpl.finishconnect(socketchannelimpl.java:946) at io.netty.channel.socket.nio.niosocketchannel.dofinishconnect(niosocketchannel.java:337) at io.netty.channel.nio.abstractniochannel$abstractniounsafe.finishconnect(abstractniochannel.java:334) at io.netty.channel.nio.nioeventloop.processselectedkey(nioeventloop.java:776) at io.netty.channel.nio.nioeventloop.processselectedkeysoptimized(nioeventloop.java:724) at io.netty.channel.nio.nioeventloop.processselectedkeys(nioeventloop.java:650) at io.netty.channel.nio.nioeventloop.run(nioeventloop.java:562) at io.netty.util.concurrent.singlethreadeventexecutor$4.run(singlethreadeventexecutor.java:997) at io.netty.util.internal.threadexecutormap$2.run(threadexecutormap.java:74) at io.netty.util.concurrent.fastthreadlocalrunnable.run(fastthreadlocalrunnable.java:30) at java.base/java.lang.thread.run(thread.java:833)
在升级springboot3.x后启动项目发现redis连接报错了,根据堆栈异常信息发现redis竟然去链接了本地服务,该项目使用了nacos配置也都在上,突然的异常感觉挺奇怪的,本来以为是升级后无法拉取到nacos的配置信息了后经验证使用@value注解或者其他配置类均未发生该问题,那就只能怀疑是spring对redis的配置支持改变了,所以直接点就去找了redis的自动配置类发现确实改变了配置前缀为spring.data.redis(原该项目springboot版本为2.7.4时redis配置前缀为spring.redis)贴一下版本属性内容对比图
3.x版本时:
@configurationproperties(prefix = "spring.data.redis") public class redisproperties { /** * database index used by the connection factory. */ private int database = 0; /** * connection url. overrides host, port, and password. user is ignored. example: * redis://user:password@example.com:6379 */ private string url; /** * redis server host. */ private string host = "localhost"; /** * login username of the redis server. */ private string username; /** * login password of the redis server. */ private string password; /** * redis server port. */ private int port = 6379; /** * whether to enable ssl support. */ private boolean ssl; /** * read timeout. */ private duration timeout; /** * connection timeout. */ private duration connecttimeout; /** * client name to be set on connections with client setname. */ private string clientname; /** * type of client to use. by default, auto-detected according to the classpath. */ private clienttype clienttype; private sentinel sentinel; private cluster cluster; private final jedis jedis = new jedis(); private final lettuce lettuce = new lettuce(); }
2.7.4版本时:
@configurationproperties(prefix = "spring.redis") public class redisproperties { /** * database index used by the connection factory. */ private int database = 0; /** * connection url. overrides host, port, and password. user is ignored. example: * redis://user:password@example.com:6379 */ private string url; /** * redis server host. */ private string host = "localhost"; /** * login username of the redis server. */ private string username; /** * login password of the redis server. */ private string password; /** * redis server port. */ private int port = 6379; /** * whether to enable ssl support. */ private boolean ssl; /** * read timeout. */ private duration timeout; /** * connection timeout. */ private duration connecttimeout; /** * client name to be set on connections with client setname. */ private string clientname; /** * type of client to use. by default, auto-detected according to the classpath. */ private clienttype clienttype; private sentinel sentinel; private cluster cluster; private final jedis jedis = new jedis(); private final lettuce lettuce = new lettuce(); }
至此问题解决。
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