Jonathan Hurley created AMBARI-12685:
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Summary: EclipseLink stdout Log Statements Fill Up Disk Space
Key: AMBARI-12685
URL: https://issues.apache.org/jira/browse/AMBARI-12685
Project: Ambari
Issue Type: Bug
Components: ambari-server
Affects Versions: 2.0.0
Reporter: Jonathan Hurley
Assignee: Jonathan Hurley
Priority: Critical
Fix For: 2.1.1
EclipseLink's default logger logs to standard output. Since Ambari redirects
stdout to a file, this means that all EclipseLink statements are captured in
{{ambari-server.out}}.
On some systems with latency problems, EclipseLink will log retry attempts:
{code}
...
[EL Info]: 2015-07-21 04:52:51.346--UnitOfWork(506587476)--Communication
failure detected when attempting to perform read query outside of a
transaction. Attempting to retry query. Error was: Exception [EclipseLink-4002]
(Eclipse Persistence Services - 2.5.2.v20140319-9ad6abd):
org.eclipse.persistence.exceptions.DatabaseException
Internal Exception: org.postgresql.util.PSQLException: The connection attempt
failed.
Error Code: 0
Query: ReadAllQuery(name="HostEntity.findByHostName" referenceClass=HostEntity
sql="SELECT host_id, cpu_count, cpu_info, discovery_status, host_attributes,
host_name, ipv4, ipv6, last_registration_time, os_arch, os_info, os_type,
ph_cpu_count, public_host_name, rack_info, total_mem FROM hosts WHERE
(host_name = ?)").
[EL Severe]: 2015-07-21 04:52:51.347--ServerSession(1225946600)--Exception
[EclipseLink-4002] (Eclipse Persistence Services - 2.5.2.v20140319-9ad6abd):
org.eclipse.persistence.exceptions.DatabaseException
Internal Exception: org.postgresql.util.PSQLException: Connection refused.
Check that the hostname and port are correct and that the postmaster is
accepting TCP/IP connections.
Error Code: 0
...
{code}
Since this log is not rolling, it can fill up the disk.
There is no log4j bridge for EclipseLink. This Jira will track the creation of
an slf4j bridge that will log all SQL statements to a separate, rolling logger.
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