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LI82047: PGBOUNCER CANNOT START DUE TO DNS SERVER ISSUES.

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You can track all active APARs for this component.

 

APAR status

  • Closed as Vendor Solution.

Error description

  • Deployed the management subsystem with v10.0.1.2 OVA
    freshly.
    'apic status' shows missing some pods in output.
    mgmt
    cluster state shows 'pending' state.
    404 not found returns When
    accessing Cloud Manager UI.
    
    pgbouncer log shows DNS lookup
    failed
    2021-03-10 13:58:39.441 UTC [16] WARNING DNS lookup
    failed: mgmt-site1-postgres: result=0
    2021-03-10 13:58:39.441
    UTC [16] LOG S-0x559fe14ea4a0: lur/apicuser@(bad-af):0 closing
    because: server DNS lookup failed (age=0s)
    
    operator log shows
    failed to connect to pgbouncer
    2021-03-11T15:08:14.173Z ERROR
    controller Reconciler error {"reconcilerGroup":
    "management.apiconnect.ibm.com", "reconcilerKind":
    "ManagementCluster", "controller": "managementcluster", "name":
    "mgmt", "namespace": "default", "error": "bouncer connect:
    Unable to establish connection: failed to connect to
    `host=mgmt-site1-postgres-pgbouncer.default.svc user=apicuser
    database=lur`: server error (ERROR: pgbouncer cannot connect to
    server (SQLSTATE 08P01))"}
    

Local fix

Problem summary

  • The new pgbouncer microservice which is released as part of
    10.0.1.2-eus have a client DNS mechanism that may not work with
    all upstream DNS servers and can cause DNS resolution problems
    

Problem conclusion

  • The solution is to switch back to stable client DNS client
    implementation in pgbouncer container. Fixed in
    10.0.1.2-ifix1-eus
    

Temporary fix

Comments

  • The new pgbouncer microservice which is released as part of 10.
    0.1.2-eus have a client DNS mechanism that may not work with
    all upstream DNS servers and can cause DNS resolution problems
    

APAR Information

  • APAR number

    LI82047

  • Reported component name

    API CONNECT ENT

  • Reported component ID

    5725Z2201

  • Reported release

    A0X

  • Status

    CLOSED ISV

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2021-03-16

  • Closed date

    2021-03-27

  • Last modified date

    2021-03-27

  • APAR is sysrouted FROM one or more of the following:

  • APAR is sysrouted TO one or more of the following:

Fix information

Applicable component levels

[{"Line of Business":{"code":"LOB36","label":"IBM Automation"},"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSMNED","label":"IBM API Connect"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"A0X"}]

Document Information

Modified date:
28 March 2021