GPCC v6.6 crash with error : transport: "Error while dialing dial tcp xxx.xxx connect: connection refused" on Tanzu Greenplum
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GPCC v6.6 crash with error : transport: "Error while dialing dial tcp xxx.xxx connect: connection refused" on Tanzu Greenplum

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Article ID: 296744

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Updated On:

Products

VMware Tanzu Greenplum

Issue/Introduction

GPCC v6.6 may crash with below error message:

[INFO]PlanNodeWriter -1: writing xxxx bytes queries' nodes into file
[INFO]PlanNodeWriter -1: writing xxxx bytes queries' nodes into file
[INFO]PlanNodeWriter -1: writing xxxx bytes queries' nodes into file
[ERROR]ControlCommand: error receive command from server rpc error: code = Unavailable desc = transport is closing
[ERROR]ControlCommand: error receive command from server rpc error: code = Unavailable desc = transport is closing
[WARNING]error report heartbeat to gpccws: rpc error: code = Unavailable desc = connection error: desc = "transport: Error while dialing dial tcp  connect: connection refused"
[WARNING]error report heartbeat to gpccws: rpc error: code = Unavailable desc = connection error: desc = "transport: Error while dialing dial tcp  connect: connection refused"
[WARNING]error report heartbeat to gpccws: rpc error: code = Unavailable desc = connection error: desc = "transport: Error while dialing dial tcp  connect: connection refused"
[INFO]PlanNodeWriter -1: writing xxxx bytes queries' nodes into file
[WARNING]error report heartbeat to gpccws: rpc error: code = Unavailable desc = connection error: desc = "transport: Error while dialing dial tcp  connect: connection refused"


Environment

Product Version: 6.18

Resolution

workaround:

Set enable_send_query_info to off for  queries like 

select a_udf_func_name($$CREATE TEMP TABLE tmp_table … AS ….)


This issue will be fixed in GPCC v6.7.0


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