Fixes are available
8.0.0.6: WebSphere Application Server V8.0 Fix Pack 6
7.0.0.29: WebSphere Application Server V7.0 Fix Pack 29
8.0.0.7: WebSphere Application Server V8.0 Fix Pack 7
8.0.0.8: WebSphere Application Server V8.0 Fix Pack 8
7.0.0.31: WebSphere Application Server V7.0 Fix Pack 31
7.0.0.33: WebSphere Application Server V7.0 Fix Pack 33
8.0.0.9: WebSphere Application Server V8.0 Fix Pack 9
7.0.0.35: WebSphere Application Server V7.0 Fix Pack 35
8.0.0.10: WebSphere Application Server V8.0 Fix Pack 10
7.0.0.37: WebSphere Application Server V7.0 Fix Pack 37
8.0.0.11: WebSphere Application Server V8.0 Fix Pack 11
7.0.0.39: WebSphere Application Server V7.0 Fix Pack 39
8.0.0.12: WebSphere Application Server V8.0 Fix Pack 12
7.0.0.41: WebSphere Application Server V7.0 Fix Pack 41
8.0.0.13: WebSphere Application Server V8.0 Fix Pack 13
7.0.0.43: WebSphere Application Server V7.0 Fix Pack 43
8.0.0.14: WebSphere Application Server V8.0 Fix Pack 14
7.0.0.45: WebSphere Application Server V7.0 Fix Pack 45
8.0.0.15: WebSphere Application Server V8.0 Fix Pack 15
7.0.0.29: Java SDK 1.6 SR13 FP2 Cumulative Fix for WebSphere Application Server
7.0.0.45: Java SDK 1.6 SR16 FP60 Cumulative Fix for WebSphere Application Server
7.0.0.31: Java SDK 1.6 SR15 Cumulative Fix for WebSphere Application Server
7.0.0.35: Java SDK 1.6 SR16 FP1 Cumulative Fix for WebSphere Application Server
7.0.0.37: Java SDK 1.6 SR16 FP3 Cumulative Fix for WebSphere Application Server
7.0.0.39: Java SDK 1.6 SR16 FP7 Cumulative Fix for WebSphere Application Server
7.0.0.41: Java SDK 1.6 SR16 FP20 Cumulative Fix for WebSphere Application Server
7.0.0.43: Java SDK 1.6 SR16 FP41 Cumulative Fix for WebSphere Application Server
Obtain the fix for this APAR.
APAR status
Closed as program error.
Error description
A java.lang.NullPointerException is generated when invoking the￴ Response.encodeURL() method after the HTTP session is￴ invalidated. In pseudo code: HttpSession session=...; ￴ session.invalidate(); ￴ ....... ￴ HttpServletResponse response=....; ￴ response.encodeURL(myURL); //this is where the exception is￴ thrown ........ ￴ The Exception thrown is Trace: 2012/07/08 13:13:40.936 01 t=AC92D8 c=UNK key=P8￴ (13007002) ThreadId: 0000004a ￴ FunctionName:￴ com.ibm.ws.webcontainer.servlet.ServletWrapper.service SourceId: com.ibm.ws.webcontainer.servlet Category: SEVERE ExtendedMessage: SRVE0068E: Uncaught exception created in one￴ of the service methods of the servlet gus in application￴ gus_tsta. Exception created : org.springframework.web.util.NestedServletException:￴ Request processing failed; nested exception is￴ java.lang.NullPointerException Caused by: java.lang.NullPointerException at java.lang.String.concat(String.java:489) at com.ibm.ws.session.SessionAffinityManager.encodeURL (SessionA ffinityManager.java:314) at com.ibm.ws.session.SessionAffinityManager.encodeURL (SessionAffinityManager.java:396) ￴ at com.ibm.ws.session.SessionContext.encodeURL (SessionContext. java: 881) at com.ibm.ws.webcontainer.srt.SRTRequestContext.encodeURL (SRTReque stContext.java:135) at com.ibm.ws.webcontainer.webapp.WebAppDispatcherContext.￴ ￴ encodeURL (WebAppDispatcherContext.java:309) at com.ibm.ws.webcontainer.srt.SRTServletResponse.encodeURL (SRTServ letResponse.java:940) ￴ at com.ibm.ws.webcontainer.srt.SRTServletResponse. encodeRedirectURL (SRTServletResponse.java:923) ￴ at org..... ￴ ..... at org.springframework.web.servlet.FrameworkServlet.doGet￴ (Framework Servlet.java:430) at javax.servlet.http.HttpServlet.service￴ (HttpServlet.java:718) at javax.servlet.http.HttpServlet.service￴ (HttpServlet.java:831) at com.ibm.ws.webcontainer.servlet.ServletWrapper. service (ServletWr apper.java:1657) at ￴ com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(Ser ￴ vletWrap per.java:939) ￴ at ..... ￴ ..... ￴ at ￴ com.ibm.ws.http.channel.inbound.impl.HttpInboundLink. processRequ est(HttpInboundLink.java:305) at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.ready￴ HttpInboundLink.java:276) at com.ibm.ws390.channel.xmem.XMemConnLink.ready ￴ (XMemConnLink.java: 858) at com.ibm.ws390.channel.xmem.XMemInboundChannel.handleRequest￴ (XMem InboundChannel.java:340) at com.ibm.ws390.xmem.XMemSRBridgeImpl.httpinvoke (XMemSRBridgeImpl. java:104) ￴ at com.ibm.ws390.xmem.XMemSRCppUtilities.httpinvoke (XMemSRCppUtilit ies.java:74) at com.ibm.ws390.orb.ServerRegionBridge.httpinvoke (ServerRegionBrid ge.java:215) at com.ibm.ws390.orb.ORBEJSBridge.httpinvoke (ORBEJSBridge.java : 281) at sun.reflect.GeneratedMethodAccessor107.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke￴ (DelegatingMethod AccessorImpl.java:37) at java.lang.reflect.Method.invoke(Method.java:611) at com.ibm.ws390.orb.parameters.HTTPInvoke.HTTPIn***BUFFER￴ OVERFLOW*** .
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: All users of IBM WebSphere Application * * Server V7.0, V8.0 and V8.5 * **************************************************************** * PROBLEM DESCRIPTION: The session manager may throw a * * java.lang.NullPointerException when * * encoding an URL. * **************************************************************** * RECOMMENDATION: * **************************************************************** When invoking the javax.servlet.http.HttpServletResponse.encodeURL() method after the HTTP session is invalidated, the session manager will throw a java.lang.NullPointerException.
Problem conclusion
Code changes were made to the session manager to handle encoding a url after the session has been invalidated. APAR PM74568 is currently targeted for inclusion in WebSphere Application Server Fix Packs 7.0.0.29, 8.0.0.6, and 8.5.0.2. Please refer to URL: //www.ibm.com/support/docview.wss?rs=404&uid=swg27006970 for Fix Pack availability.
Temporary fix
Comments
APAR Information
APAR number
PM74568
Reported component name
WEBSPHERE FOR Z
Reported component ID
5655I3500
Reported release
700
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2012-10-08
Closed date
2012-12-19
Last modified date
2013-07-03
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
WEBSPHERE FOR Z
Fixed component ID
5655I3500
Applicable component levels
R700 PSY UK94926
UP13/06/20 P F306
Fix is available
Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.
Document Information
Modified date:
29 October 2021