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Endeca Graphs Are Failing With Error "U_REGEX_STACK_OVERFLOW" After Long Run (Doc ID 2571756.1)

Last updated on AUGUST 08, 2019

Applies to:

Oracle Endeca Information Discovery Integrator - Version 3.0.0 to 3.2.0 [Release 3.x]
Information in this document applies to any platform.

Symptoms

On : 3.1.0 version, Integrator Server

Endeca Graphs are failing with error "U_REGEX_STACK_OVERFLOW" after long run

After 10 hours of running, endeca graphs failed with below errors:

U_REGEX_STACK_OVERFLOW

==
2019-06-08 02:28:49,720 ERROR 10735078 [Consumer-0] Failed with the following IngestFault:
  exception encountered while executing external function 'eql-ingest:ingest', caused by mmap failed: Cannot allocate memory
==

after above error occurred we increased compute cache size of data domain and ran the graph again and now we encountered another error as below

==
2019-06-11 06:34:22,056 ERROR 10735154 [Consumer-0] Failed with the following IngestFault:
  exception encountered while executing external function 'eql-ingest:ingest', caused by matches failed: U_REGEX_STACK_OVERFLOW
==



The issue can be reproduced at will with the following steps:

1. Execute the full load run dgraph for a large volume of data
2. Observe the error in the Integrator Console log



Cause

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In this Document
Symptoms
Cause
Solution
References


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