redis.clients.jedis.exceptions.JedisDataException: ERR Client sent AUTH, but no password is set

1.项目启动报错：

redis.clients.jedis.exceptions.JedisConnectionException: Could not get a resource from the pool
redis.clients.util.Pool.getResource(Pool.java:50)
redis.clients.jedis.JedisPool.getResource(JedisPool.java:88)
com.radiadesign.catalina.session.RedisSessionManager.acquireConnection(RedisSessionManager.java:107)
com.radiadesign.catalina.session.RedisSessionManager.loadSessionFromRedis(RedisSessionManager.java:388)
com.radiadesign.catalina.session.RedisSessionManager.findSession(RedisSessionManager.java:330)
org.apache.catalina.connector.Request.doGetSession(Request.java:2981)
org.apache.catalina.connector.Request.getSessionInternal(Request.java:2599)
com.radiadesign.catalina.session.RedisSessionHandlerValve.invoke(RedisSessionHandlerValve.java:28)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:421)
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1074)
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611)
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1739)
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1698)
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
java.lang.Thread.run(Thread.java:745)
root cause

redis.clients.jedis.exceptions.JedisDataException: ERR Client sent AUTH, but no password is set
redis.clients.jedis.Protocol.processError(Protocol.java:113)
redis.clients.jedis.Protocol.process(Protocol.java:138)
redis.clients.jedis.Protocol.read(Protocol.java:192)
redis.clients.jedis.Connection.readProtocolWithCheckingBroken(Connection.java:282)
redis.clients.jedis.Connection.getStatusCodeReply(Connection.java:181)
redis.clients.jedis.BinaryJedis.auth(BinaryJedis.java:1930)
redis.clients.jedis.JedisFactory.makeObject(JedisFactory.java:71)
org.apache.commons.pool2.impl.GenericObjectPool.create(GenericObjectPool.java:819)
org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:429)
org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:360)
redis.clients.util.Pool.getResource(Pool.java:48)
redis.clients.jedis.JedisPool.getResource(JedisPool.java:88)
com.radiadesign.catalina.session.RedisSessionManager.acquireConnection(RedisSessionManager.java:107)
com.radiadesign.catalina.session.RedisSessionManager.loadSessionFromRedis(RedisSessionManager.java:388)
com.radiadesign.catalina.session.RedisSessionManager.findSession(RedisSessionManager.java:330)
org.apache.catalina.connector.Request.doGetSession(Request.java:2981)
org.apache.catalina.connector.Request.getSessionInternal(Request.java:2599)
com.radiadesign.catalina.session.RedisSessionHandlerValve.invoke(RedisSessionHandlerValve.java:28)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:421)
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1074)
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611)
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1739)
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1698)
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
java.lang.Thread.run(Thread.java:745)

2.报错的原因：是redis服务没设置密码，而项目配置文件中写了有redis密码

解决方案1.是把项目配置文件中的密码password设置为空

              2.是设置redis服务密码

#1.启动redis-server.exe
#2.启动redis-cli.exe
#3.设置redis配置密码（每次redis服务重启都要设置一下）
redis 127.0.0.1:6379> CONFIG SET requirepass "123456"
OK
redis 127.0.0.1:6379> AUTH 123456
Ok

然后启动项目就可以连接本机的redis服务了。