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https://issues.apache.org/jira/browse/WICKET-1445?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12583149#action_12583149
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Daniel Wu commented on WICKET-1445:
-----------------------------------
After making all changes above and applying the patch (I'm using wicket 1.3.2),
I'm still getting this NPE:
ERROR Objects () - Error serializing object class MyPage [object=[Page class =
MyPage id = 0, version = 0]]
java.lang.NullPointerException
at java.io.ObjectOutputStream.flush(Unknown Source)
at java.io.ObjectOutputStream.close(Unknown Source)
at
org.apache.wicket.util.lang.Objects.objectToByteArray(Objects.java:1093)
at
org.apache.wicket.protocol.http.pagestore.AbstractPageStore.serializePage(AbstractPageStore.java:197)
at
org.apache.wicket.protocol.http.pagestore.DiskPageStore.storePage(DiskPageStore.java:810)
at
org.apache.wicket.protocol.http.SecondLevelCacheSessionStore$SecondLevelCachePageMap.put(SecondLevelCacheSessionStore.java:332)
Does anyone have any idea what is causing this problem? It wasn't happening on
wicket 1.2.
> StreamCorruptedException/PageStore/Serialization broken because
> ObjectOutputStream was not flushed
> --------------------------------------------------------------------------------------------------
>
> Key: WICKET-1445
> URL: https://issues.apache.org/jira/browse/WICKET-1445
> Project: Wicket
> Issue Type: Bug
> Components: wicket
> Affects Versions: 1.3.1, 1.3.2
> Reporter: Niclas Hedhman
> Assignee: Igor Vaynberg
> Fix For: 1.3.3
>
> Attachments: wicket-close-stream.patch
>
>
> The Objects.objectToByteArray() method incorrectly forgets to flush/close the
> ObjectOutputStream it uses. This can create corrupt object streams.
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