APAR status
Closed as program error.
Error description
NullPointerException can possibly occur when JSP includes files that do no exist from taglib or include statements. Previously, there would just be a file not found message for referring to a non existent file, but now there might in some cases also be NPE. SRVE0777E: Exception thrown by application class 'java.io.File.:277' java.lang.NullPointerException at java.io.File.(File.java:277) at com.ibm.ws.jsp.webcontainerext.JspDependent.isOutdated(JspDe pendent.java:84) at com.ibm.ws.jsp.webcontainerext.JspDependent.toString(JspDepe ndent.java:129) ... MDV issue is 85 (https://github.ibm.com/WASL3/MDV/issues/85)
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: All users of IBM WebSphere Application * * Server Liberty - JavaServer Pages (JSP) * **************************************************************** * PROBLEM DESCRIPTION: NullPointerException in JSP * **************************************************************** * RECOMMENDATION: * **************************************************************** When JSP refers to a file in a <%@ taglib %> statement that doesn't exist, in addition to the file not found error, in some cases there will also be a NullPointerException: SRVE0777E: Exception thrown by application class 'java.io.File.:277' java.lang.NullPointerException at java.io.File.(File.java:277) at com.ibm.ws.jsp.webcontainerext.JspDependent.isOutdated(JspDepend ent.java:84) ...
Problem conclusion
This fix corrects the NPE. The fix for this APAR is currently targeted for inclusion in fix pack 22.0.0.2. Please refer to the Recommended Updates page for delivery information: http://www.ibm.com/support/docview.wss?rs=180&uid=swg27004980
Temporary fix
Correct the taglib in question, by either referring to a file that actually exists, or remove the taglib statement entirely.
Comments
APAR Information
APAR number
PH43530
Reported component name
WAS LIBERTY COR
Reported component ID
5725L2900
Reported release
CD0
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2022-01-21
Closed date
2022-01-27
Last modified date
2022-01-27
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Fix information
Fixed component name
WAS LIBERTY COR
Fixed component ID
5725L2900
Applicable component levels
[{"Line of Business":{"code":"LOB45","label":"Automation"},"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSD28V","label":"WebSphere Application Server Liberty Core"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"CD0"}]
Document Information
Modified date:
28 January 2022