Enterprise Manager unable to connect to Postgres.

Document ID : KB000004283
Last Modified Date : 14/02/2018
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 Enterprise Manager is unable to connect to the Postgres server.


 The following message appears in the IntroscopeEnterpriseManager.log:

 '[WARN] [CheckDatabase.Thread1] [Manager.com.timestock.tess.util.DbUtils] database inaccessible; will check later'


 Postgres logs for the corresponding  time frame reveal messages like the following, complaining that the Time Zone is not correct.

 'FATAL: invalid value for parameter "TimeZone": <SOME INCORRECT TIME ZONE>' 


All APM versions on all supported platforms.

 Enterprise Manager(EM) JVM is picking up an incorrect Time Zone from the machine where EM is running.


 Users need to set a correct time zone for the Enterprise Manager JVM. To set a correct default time zone, use '-Duser.timezone=<REPLACE WITH TIME ZONE>' for the JVM parameter  to 'lax.nl.java.option.additional' in '<EM HOME>\Introscope_Enterprise_Manager.lax' file.