Hi， 环境：flink-1.14.0，单节点standalone
https://nightlies.apache.org/flink/flink-docs-release-1.14/docs/deployment/filesystems/s3/ 参考官方文档，执行下面命令： mkdir plugins/s3-fs-hadoop cp opt/flink-s3-fs-hadoop-1.14.0.jar plugins/s3-fs-hadoop/ 在flink-conf中配置了hadoop的路径（s3使用了hadoop的配置文件） env.hadoop.conf.dir: /data/hadoop/s3 然后启动集群，成功启动后，执行./bin/sql-client.sh，用SQL测试读取s3数据， 出现连接超时报错 但是把flink-s3-fs-hadoop-1.14.0.jar挪到flink的lib下，重启集群，重新执行同样的测试，就可以读取到数据了，其余的配置都没有修改 所以感觉这个plugins目录没有生效？这个plugins和lib目录的区别在哪里，应该如何使用？？ 附上报错信息： [ERROR] Could not execute SQL statement. Reason: org.apache.flink.util.SerializedThrowable: connect timed out Caused by: com.amazonaws.SdkClientException: Failed to connect to service endpoint: at com.amazonaws.internal.EC2ResourceFetcher.doReadResource(EC2ResourceFetcher.java:100) at com.amazonaws.internal.EC2ResourceFetcher.doReadResource(EC2ResourceFetcher.java:70) at com.amazonaws.internal.InstanceMetadataServiceResourceFetcher.readResource(InstanceMetadataServiceResourceFetcher.java:75) at com.amazonaws.internal.EC2ResourceFetcher.readResource(EC2ResourceFetcher.java:66) at com.amazonaws.auth.InstanceMetadataServiceCredentialsFetcher.getCredentialsEndpoint(InstanceMetadataServiceCredentialsFetcher.java:58) at com.amazonaws.auth.InstanceMetadataServiceCredentialsFetcher.getCredentialsResponse(InstanceMetadataServiceCredentialsFetcher.java:46) at com.amazonaws.auth.BaseCredentialsFetcher.fetchCredentials(BaseCredentialsFetcher.java:112) at com.amazonaws.auth.BaseCredentialsFetcher.getCredentials(BaseCredentialsFetcher.java:68) at com.amazonaws.auth.InstanceProfileCredentialsProvider.getCredentials(InstanceProfileCredentialsProvider.java:165) at org.apache.hadoop.fs.s3a.AWSCredentialProviderList.getCredentials(AWSCredentialProviderList.java:137) ... 49 more Caused by: java.net.SocketTimeoutException: connect timed out at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:607) at sun.net.NetworkClient.doConnect(NetworkClient.java:175) at sun.net.www.http.HttpClient.openServer(HttpClient.java:463) at sun.net.www.http.HttpClient.openServer(HttpClient.java:558) at sun.net.www.http.HttpClient.<init>(HttpClient.java:242) at sun.net.www.http.HttpClient.New(HttpClient.java:339) at sun.net.www.http.HttpClient.New(HttpClient.java:357) at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1226) at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1205) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1056) at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:990) at com.amazonaws.internal.ConnectionUtils.connectToEndpoint(ConnectionUtils.java:52) at com.amazonaws.internal.EC2ResourceFetcher.doReadResource(EC2ResourceFetcher.java:80) ... 58 more
