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Error "502 Bad Gateway" Is Reported During the Access to MRS Manager Issue Error 502 Bad Gateway is reported when a user attempts to access MRS Manager.
"This page can't be displayed" Is Displayed When Internet Explorer Fails to Access the Native HDFS UI Question Occasionally, Internet Explorer 9, Explorer 10, or Explorer 11 fails to access the native HDFS UI. Symptom Internet Explorer 9, Explorer 10, or Explorer 11 fails to access
"This page can't be displayed" Is Displayed When Internet Explorer Fails to Access the Native HDFS UI Question Occasionally, Internet Explorer 9, Explorer 10, or Explorer 11 fails to access the native HDFS UI. Symptom Internet Explorer 9, Explorer 10, or Explorer 11 fails to access
Log in to the active and standby management nodes as user root and run the following commands to restart the knox process: su - omm ps -ef | grep gateway | grep -v grep (Search for the PID of the knox process.) kill -9 PID (Replace PID with the ID of the knox process to kill the knox
The server was acting as a gateway or proxy and received an invalid request from the remote server. 503 ServiceUnavailable The requested service is invalid.
Alternatively, the node where Broker resides has only private IP addresses, and external services access the private network through gateway mapping. The ZooKeeper service is running properly. The Kafka instance status and disk status are normal.
Run the following command on the active management node to check the management plane gateway: cat ${BIGDATA_HOME}/om-server/OMS/workspace/conf/oms-config.ini | grep om_gateway Run the ping Management plane gateway command on the active and standby management nodes and check whether
As a gateway component for submitting big data jobs, JobGateway provides fully controllable enterprise-level big data job submission services that can easily submit Spark, Flink, Hive, and other big data jobs.
Direct Connect Create a Direct Connect between the source cluster and target cluster, enable the network between the offline cluster egress gateway and the online VPC, and use DistCp to copy the data by referring to Same Region. Parent topic: Data Migration Solution
Skip this step when no external NTP clock source is configured. ip route add default via IP gateway of the NTP service dev NIC of the local IP address table ntp_rt ip rule add to ntpIP table ntp_rt NIC of the local IP address indicates the NIC that can communicate with the network
File Fails to Be Uploaded to HDFS Due to File Errors Symptom The hadoop dfs -put command is used to copy local files to HDFS. After some files are uploaded, an error occurs. The size of the temporary files no long changes on the native NameNode page. Cause Analysis Check the NameNode
Using JobGateway from Scratch JobGateway is a gateway service that mimics big data clients (like MapReduce, Spark, Flink, and Hive clients). These clients are typically used to submit big data jobs.
HttpFS gateway HttpFS is a single stateless gateway process which provides the WebHDFS REST API for external processes and FileSystem API for the HDFS. HttpFS is used for data transmission between different versions of Hadoop.
After you paid the order, the gateway immediately entered the yearly/monthly billing mode. On the management console, choose Billing > Bills to go to the Billing Center.
Accessing the Web Pages Error "502 Bad Gateway" Is Reported During the Access to MRS Manager An Error Message Occurs Indicating that the VPC Request Is Incorrect During the Access Error 503 Is Reported When Manager Is Accessed Through Direct Connect Error Message "You have no right
