环境：idea+maven+jdk1.8
报错信息如下
java.lang.IllegalStateException: Failed to execute CommandLineRunner
at org.springframework.boot.SpringApplication.callRunner(SpringApplication.java:771) ~[spring-boot-2.7.11.jar:2.7.11]
at org.springframework.boot.SpringApplication.callRunners(SpringApplication.java:752) ~[spring-boot-2.7.11.jar:2.7.11]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:314) ~[spring-boot-2.7.11.jar:2.7.11]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1303) ~[spring-boot-2.7.11.jar:2.7.11]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1292) ~[spring-boot-2.7.11.jar:2.7.11]
at com.spring.consumingrestfulweb.ConsumingrestfulwebApplication.main(ConsumingrestfulwebApplication.java:17) ~[classes/:na]
Caused by: org.springframework.web.client.ResourceAccessException: I/O error on GET request for “https://quoters.apps.pcfone.io/api/random”: Connection timed out: connect; nested exception is java.net.ConnectException: Connection timed out: connect
at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:791) ~[spring-web-5.3.27.jar:5.3.27]
at org.springframework.web.client.RestTemplate.execute(RestTemplate.java:717) ~[spring-web-5.3.27.jar:5.3.27]
at org.springframework.web.client.RestTemplate.getForObject(RestTemplate.java:340) ~[spring-web-5.3.27.jar:5.3.27]
at com.spring.consumingrestfulweb.ConsumingrestfulwebApplication.lambda$run$0(ConsumingrestfulwebApplication.java:28) ~[classes/:na]
at org.springframework.boot.SpringApplication.callRunner(SpringApplication.java:768) ~[spring-boot-2.7.11.jar:2.7.11]
… 5 common frames omitted
Caused by: java.net.ConnectException: Connection timed out: connect
at java.base/java.net.PlainSocketImpl.connect0(Native Method) ~[na:na]
at java.base/java.net.PlainSocketImpl.socketConnect(PlainSocketImpl.java:101) ~[na:na]
at java.base/java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:399) ~[na:na]
at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:242) ~[na:na]
at java.base/java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:224) ~[na:na]
at java.base/java.net.SocksSocketImpl.connect(SocksSocketImpl.java:403) ~[na:na]
at java.base/java.net.Socket.connect(Socket.java:609) ~[na:na]
at java.base/sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:285) ~[na:na]
at java.base/sun.security.ssl.BaseSSLSocketImpl.connect(BaseSSLSocketImpl.java:173) ~[na:na]
at java.base/sun.net.NetworkClient.doConnect(NetworkClient.java:182) ~[na:na]
at java.base/sun.net.www.http.HttpClient.openServer(HttpClient.java:474) ~[na:na]
at java.base/sun.net.www.http.HttpClient.openServer(HttpClient.java:569) ~[na:na]
at java.base/sun.net.www.protocol.https.HttpsClient.(HttpsClient.java:265) ~[na:na]
at java.base/sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:372) ~[na:na]
at java.base/sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191) ~[na:na]
at java.base/sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1187) ~[na:na]
at java.base/sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1081) ~[na:na]
at java.base/sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177) ~[na:na]
at java.base/sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:168) ~[na:na]
at org.springframework.http.client.SimpleBufferingClientHttpRequest.executeInternal(SimpleBufferingClientHttpRequest.java:76) ~[spring-web-5.3.27.jar:5.3.27]
at org.springframework.http.client.AbstractBufferingClientHttpRequest.executeInternal(AbstractBufferingClientHttpRequest.java:48) ~[spring-web-5.3.27.jar:5.3.27]
at org.springframework.http.client.AbstractClientHttpRequest.execute(AbstractClientHttpRequest.java:66) ~[spring-web-5.3.27.jar:5.3.27]
at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:782) ~[spring-web-5.3.27.jar:5.3.27]
… 9 common frames omitted