I use yum install the mysql-connector-java ... View more

I accidentally have this issue. And Ifound there no other process listening on the ip and port. But in the result of netstat -anp|grep 50010,I found a timw_wait record I donn't know why. finally, I had to remove the datanode of the host ... View more

@Jay SenSharma I try it and it works fine. It should be: curl -u ${ambari_user_name}:${ambari_user_pass} -H "X-Requested-By: ambari"-d '{"RequestInfo":{"context":"Starting Flume agent","flume_handler":"agent","operation_level": {"level":"HOST_COMPONENT","cluster_name":"${CLUSTER_NAME}","service_name":"FLUME","host_name":"${hostname_of_new_flume_agent}"}},"Body":{"HostRoles":{"state":"STARTED"}}}'-X PUT "http://${AMBARI_HOST}:8080/api/v1/clusters/${CLUSTER_NAME}/hosts/${hostname_of_new_flume_agent}/host_components/FLUME_HANDLER" And now if I want do add a new agent ,I must change the configure on the ambari web ui ,then call the ambari server api above. Why not make it more easy?? ... View more

@Neeraj Sabharwal This means I should pay for the support and get a SmartSense ID? And I could not found the register page ... View more

I reslove the problem ,because the password of the account which ambari to access mysql is a pure number, the code read the type to int but not a sting . change your password and every thing is ok. ... View more

I post it above ... View more