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PM57966: CACHE.INTERNAL.VARIENT IS RETURNED BY THE WEBSPHERE PROXY AS A VALUE TO THE VARY HEADER

Fixes are available

7.0.0.23: WebSphere Application Server V7.0 Fix Pack 23
8.0.0.4: WebSphere Application Server V8.0 Fix Pack 4
7.0.0.25: WebSphere Application Server V7.0 Fix Pack 25
8.0.0.5: WebSphere Application Server V8.0 Fix Pack 5
7.0.0.27: WebSphere Application Server V7.0 Fix Pack 27
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
7.0.0.27: Java SDK 1.6 SR13 FP2 Cumulative Fix for WebSphere Application Server
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
PM57966: Proxy server is sending back "Vary: cache.http.internal.variant"
7.0.0.23: Java SDK 1.6 SR10 FP1 Cumulative Fix for WebSphere
7.0.0.25: Java SDK 1.6 SR11 Cumulative Fix for WebSphere Application Server
7.0.0.27: Java SDK 1.6 SR12 Cumulative Fix for WebSphere Application Server
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

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • cache.internal.varient is returned by the WebSphere Proxy as a
    value to the vary header
    

Local fix

  • N/A
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:  All users of IBM WebSphere Application      *
    *                  Server V7.0 and V8.0 Proxy Server           *
    ****************************************************************
    * PROBLEM DESCRIPTION: The proxy server is sending back a      *
    *                      "Vary: cache.http.internal.variant"     *
    *                      HTTP response header.                   *
    *                      NullPointerException FFDC could also    *
    *                      be issued.                              *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    The proxy server is incorrectly sending back this repsonse
    header: "Vary: cache.http.internal.variant".  The proxy could
    also issue this FFDC:
    FFDC Exception:java.lang.NullPointerException
    SourceId:com.ibm.ws.proxy.cache.http.HttpCacheWriterFilter.updat
    eCacheKeyTemplates ProbeId:538
    Reporter:com.ibm.ws.proxy.vlhcache.http.DEHttpDynacacheWriterFil
    ter@16580951
    java.lang.NullPointerException
    at
    com.ibm.ws.proxy.cache.http.HttpCacheWriterFilter.updateCacheKey
    Templates(HttpCacheWriterFilter.java:501)
    at
    com.ibm.ws.proxy.dynacache.http.HttpDynacacheWriterFilter.update
    CacheKeyTemplates(HttpDynacacheWriterFilter.java:177)
    at
    com.ibm.ws.proxy.vlhcache.http.DEHttpDynacacheWriterFilter.doRes
    ponseMessage(DEHttpDynacacheWriterFilter.java:382)
    at
    com.ibm.ws.proxy.vlhcache.http.DEHttpDynacacheWriterFilter.doFil
    ter(DEHttpDynacacheWriterFilter.java:778)
    at
    com.ibm.ws.proxy.filter.http.HttpFilterImpl.doFilter(HttpFilterI
    mpl.java:98)
    at
    com.ibm.ws.proxy.filter.http.HttpFilterChain.doProxiedResponseFi
    lterChain(HttpFilterChain.java:1233)
    at
    com.ibm.ws.proxy.filter.http.HttpFilterChain.doResponseFilterCha
    in(HttpFilterChain.java:566)
    at
    com.ibm.ws.proxy.channel.http.HttpProxyConnectionLink.processRes
    ponseWork(HttpProxyConnectionLink.java:1484)
    at
    com.ibm.ws.proxy.channel.http.HttpOutboundReadCallback.complete(
    HttpOutboundReadCallback.java:58)
    at
    com.ibm.ws.http.channel.outbound.impl.HttpOutboundServiceContext
    Impl.handleParsedMessage(HttpOutboundServiceContextImpl.java:142
    1)
    at
    com.ibm.ws.http.channel.outbound.impl.HttpOSCReadCallback.comple
    te(HttpOSCReadCallback.java:81)
    at
    com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureComp
    leted(AioReadCompletionListener.java:165)
    at
    com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyn
    cFuture.java:217)
    at
    com.ibm.io.async.AsyncChannelFuture.fireCompletionActions(AsyncC
    hannelFuture.java:161)
    at com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:138)
    at
    com.ibm.io.async.ResultHandler.complete(ResultHandler.java:204)
    at
    com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHand
    ler.java:775)
    at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:905)
    at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1783)
    

Problem conclusion

Temporary fix

Comments

APAR Information

  • APAR number

    PM57966

  • Reported component name

    WEBS APP SERV N

  • Reported component ID

    5724H8800

  • Reported release

    700

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2012-02-13

  • Closed date

    2012-02-23

  • Last modified date

    2012-02-23

  • 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

    WEBS APP SERV N

  • Fixed component ID

    5724H8800

Applicable component levels

  • R700 PSY

       UP

  • R800 PSY

       UP



Document information

More support for: WebSphere Application Server
General

Software version: 7.0

Reference #: PM57966

Modified date: 23 February 2012