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Workflow Monitor Page in SSL Environment Raises java.lang.NullPointerException (Doc ID 1186655.1)

Last updated on FEBRUARY 04, 2019

Applies to:

Oracle E-Business Suite Technology Stack - Version 12.1.1 to 12.1.3 [Release 12.1]
Information in this document applies to any platform.

Symptoms

In SSL enabled environment the WF Monitor page runs fine first time after starting Application Tier services, but fails next times with following error:

Error Message:

java.lang.NullPointerException


The FND Debug log (*) shows the following:

[324]:STATEMENT:[fnd.wf.monitor.webui.GraphMonitorCO]:
URL Formed by Applet Launcher==>>https://hostname.domain:port/forms/frmservlet?appletmode=nonforms&HTMLpageTitle=&HTMLpreApplet=&code=oracle.apps.fnd.wf.Monitor<rest has been removed>
[5210]:STATEMENT:[fnd.wf.monitor.webui.GraphMonitorCO]:
URL could not be connected
[5210]:STATEMENT:[fnd.wf.monitor.webui.GraphMonitorCO]:Exception in getMonitorURL: java.lang.NullPointerException
[5210]:STATEMENT:[fnd.wf.monitor.webui.GraphMonitorCO]:Complete stacktrace for the exception is
[5230]:STATEMENT:[fnd.wf.monitor.webui.GraphMonitorCO]:java.lang.NullPointerException
at java.io.Reader.(Reader.java:61)
at java.io.InputStreamReader.(InputStreamReader.java:80)
at oracle.apps.fnd.wf.monitor.webui.GraphMonitorCO.getHTML(GraphMonitorCO.java:197)
at oracle.apps.fnd.wf.monitor.webui.GraphMonitorCO.getMonitorURL(GraphMonitorCO.java:171)
at oracle.apps.fnd.wf.monitor.webui.GraphMonitorCO.processRequest(GraphMonitorCO.java:121)
at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processRequest(OAWebBeanHelper.java:596)
at oracle.apps.fnd.framework.webui.OAWebBeanContainerHelper.processRequest(OAWebBeanContainerHelper.java:251)
....


(*) A simple method to collect this information is by enabling 'Show Log on Screen' using the below steps

  1. Set profile ‘FND: Diagnostics’ = ‘Yes’ at USER level.
  2. Start Applications session for this user
  3. Select link ‘Diagnostics’  > Diagnostics = Show Log on Screen + Go > Statement (1) + Go
  4. Select link 'Home' to return to Homepage. (See that at the bottom log entries are rendered)
  5. Reproduce the error and copy/paste the log information to text editor for further analyze
  6. (Optional) Select link ‘Diagnostics’  > Diagnostics =Show Log on Screen + Go > Turn off screen logging + Go

Changes

Implemented SSL in the environment

Cause

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In this Document
Symptoms
Changes
Cause
Solution
 Collecting additional information to confirm the exact same error is encountered
 Implement solution
References


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