Unable to register to Prism Central

  • 12 March 2024
  • 0 replies


While registering Prism Element (single node CE) with Prism Central “Pre registration checks” is failing.


IP Address (single subnet for all IP addresses)


CVM  =

Cluster IP  =

Prism Central =


Added HTTP PROXY in PE and PC as the setup is in the lab.


Added PE in PC whitelist and vice versa.


nutanix@NTNX-5848d338-A-CVM:$ ncli http-proxy get-whitelist


    Target Type               : IPV4_ADDRESS

    Target                    :   <----- PC IP address in PE while list


    Target Type               : IPV4_ADDRESS

    Target                    :


    Target Type               : IPV4_ADDRESS

    Target                    :


nutanix@NTNX-172-23-244-30-A-PCVM:~$ ncli http-proxy get-whitelist


    Target Type               : IPV4_ADDRESS

    Target                    : <--- PE Cluster IP in PC white list


    Target Type               : IPV4_ADDRESS

    Target                    : <--- PE CVM IP


    Target Type               : IPV4_ADDRESS. <--- AHV IP

    Target                    :




SSH from PE to PC and vice versa works fine.


Noticed following error.


nutanix@NTNX-5848d338-A-CVM:$ nc 9440 -vv

Ncat: Version 7.50 ( )

NCAT DEBUG: Using system default trusted CA certificates and those in /usr/share/ncat/ca-bundle.crt.

NCAT DEBUG: Unable to load trusted CA certificates from /usr/share/ncat/ca-bundle.crt: error:02001002:system library:fopen:No such file or directory

libnsock nsi_new2(): nsi_new (IOD #1)

libnsock nsock_connect_tcp(): TCP connection requested to (IOD #1) EID 8

libnsock nsock_trace_handler_callback(): Callback: CONNECT SUCCESS for EID 8 []

Ncat: Connected to

libnsock nsi_new2(): nsi_new (IOD #2)

libnsock nsock_read(): Read request from IOD #1 [] (timeout: -1ms) EID 18

libnsock nsock_readbytes(): Read request for 0 bytes from IOD #2 [peer unspecified] EID 26


During registration seeing following Java exception in CVM log

nutanix@NTNX-5848d338-A-CVM:$ tail -f  /home/nutanix/data/logs/prism_gateway.log


ERROR 2024-03-12 00:44:12,432Z pool-103624-thread-1 [] prism.tasks.TaskRegistration.executePreRegistrationCheckTask:302 [REG] Failed to register to prism central. SocketTimeoutException invoking connect timed out

            at org.apache.cxf.jaxrs.client.AbstractClient.checkClientException( ~[cxf-rt-rs-client-3.3.3.jar:3.3.3]

            at org.apache.cxf.jaxrs.client.AbstractClient.preProcessResult( ~[cxf-rt-rs-client-3.3.3.jar:3.3.3]

            at org.apache.cxf.jaxrs.client.ClientProxyImpl.doChainedInvocation( ~[cxf-rt-rs-client-3.3.3.jar:3.3.3]

            at org.apache.cxf.jaxrs.client.ClientProxyImpl.invoke( ~[cxf-rt-rs-client-3.3.3.jar:3.3.3]

            at com.sun.proxy.$Proxy560.clusterRegistrationPrecheck(Unknown Source) ~[?:?]

            at com.nutanix.prism.tasks.TaskRegistration.executePreRegistrationCheckTask( [prism_gateway-master-SNAPSHOT.jar:?]

            at com.nutanix.prism.tasks.TaskRegistration.doTask( [prism_gateway-master-SNAPSHOT.jar:?]

            at [prism_gateway-master-SNAPSHOT.jar:?]

            at java.util.concurrent.Executors$ [?:1.8.0_352]

            at [?:1.8.0_352]

            at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201( [?:1.8.0_352]

            at java.util.concurrent.ScheduledThreadPoolExecutor$ [?:1.8.0_352]

            at java.util.concurrent.ThreadPoolExecutor.runWorker( [?:1.8.0_352]

            at java.util.concurrent.ThreadPoolExecutor$ [?:1.8.0_352]

            at [?:1.8.0_352]



Appreciate any help, thanks!


Sachin Vishwarupe

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