CAUAJM_E_50033 Error initializing tx subsystem: CAUAJM_E_10014 Error establishing a database connection. dbstatistics: Unable to run dbspace

Products

• CA Workload Automation AE - Business Agents (AutoSys)
• CA Workload Automation AE - Scheduler (AutoSys)
• Workload Automation Agent

Issue/Introduction

During the execution of the DBMaint script, following errors are displayed in the DBMaint.out file

CAUAJM_I_60007 Archiving Events...
CAUAJM_I_60013 Number of Events Deleted: 35510
CAUAJM_I_60014 Archiving Job Runs...
CAUAJM_I_60017 Number of job runs deleted: 12267
CAUAJM_I_60018 Archiving Audit Info...
CAUAJM_I_60021 Number of Audit Infos Deleted: 73 
CAUAJM_I_60019 dbstatistics: Running dbstatistics at: Mon Sep 17 13:01:30 2018
CAUAJM_I_60020 dbspace: Running dbspace at : Mon Sep 17 13:03:19 2018
CAUAJM_E_18407 Failed to connect to Oracle server: ORASID 
CAUAJM_E_18400 An error has occurred while interfacing with ORACLE.
CAUAJM_E_18401 Function invoked from failed <154>
CAUAJM_E_18402 ORA-12537: TNS:connection closed
CAUAJM_E_10649 Server ORASID was not available during connection operation.
CAUAJM_E_18407 Failed to connect to Oracle server: ORASID 
../..
CAUAJM_E_50033 Error initializing tx subsystem:
CAUAJM_E_10014 Error establishing a database connection. dbstatistics: Unable to run dbspace
 

Environment

Autosys 11.3.6 SP6 with Oracle Database on Linux

But this problem can happen with any other Autosys release

Cause

The max number of Oracle processes were reached.
This is seen in the Oracle alert log file 

Resolution

Increase number of Oracle processes from 300 to 400

Depending on your needs and Autosys activity,  these numbers might be greater than 300 or 400