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Java Application Server (JAS) Troubleshooting (Doc ID 1591624.1)

Last updated on JANUARY 31, 2023

Applies to:

JD Edwards EnterpriseOne Tools - Version SP24 and later
Information in this document applies to any platform.


This document provides a comprehensive overview of steps and considerations related to Java Application Server (JAS) Troubleshooting. This solution is intended to provide guidance for the process of troubleshooting a JAS & web client issue.

Troubleshooting the Java Application Server (JAS) or related web client can be cumbersome, especially for individuals new to JD Edwards. A summary of the most common JAS troubleshooting issues and considerations have been organized here. In cases where a more detailed explanation is required links are provided to existing knowledge documents, e.g. My Oracle Support, Guides, Technical Brief, Third Party solutions, etc.





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In this Document
 Java Application Server (JAS) Troubleshooting Summarized Process Flow
 Installation and Control
 Can you install the JAS instance?
 Can you control (STOP|START) JVM via Server Manager?
 Login Considerations
 Can you sign in?
 You cannot login even after others can
 General Troubleshooting
 General JAS & Web client considerations and issues include the following:
 A Web "Popup Error" occurs or the Application Never Fully Renders
 EnterpriseOne INI Settings
 Logs & Logging Levels (Isolation)
 Java JVM & Performance Considerations
 JAS: Troubleshooting java.lang.OutOfMemory Error Message
 JAS: Troubleshooting Error java.lang.OutOfMemoryError: PermGen space
 Commonly reported Web client performance issues
 Performance Troubleshooting, Triage, & Isolation Steps
 Performance Considerations
 Java Isolation Tools
 Java JVM Settings

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