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https://issues.apache.org/jira/browse/JSPWIKI-575?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14073285#comment-14073285
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Leonardo Costantini commented on JSPWIKI-575:
---------------------------------------------
Hi all,
I have similar issue in JSPWIKI 2.10.1
I look at the code where it start:
int LATEST_VERSION = -1;
. public void doGet( HttpServletRequest req, HttpServletResponse res )
throws IOException, ServletException
{
WikiContext context = m_engine.createContext( req, WikiContext.ATTACH );
String version = req.getParameter( HDR_VERSION );
String nextPage = req.getParameter( "nextpage" );
String msg = "An error occurred. Ouch.";
int ver = WikiProvider.LATEST_VERSION;
AttachmentManager mgr = m_engine.getAttachmentManager();
AuthorizationManager authmgr = m_engine.getAuthorizationManager();
String page = context.getPage().getName();
if( page == null )
{
log.info("Invalid attachment name.");
res.sendError( HttpServletResponse.SC_BAD_REQUEST );
return;
}
OutputStream out = null;
InputStream in = null;
try
{
log.debug("Attempting to download att "+page+", version "+version);
if( version != null )
{
ver = Integer.parseInt( version );
}
IMHO ver is not properly initilaised in case this is the first version of the
page, and thus the version is -1
Where is version initialised (in the code), when performing the first upload of
an attachment?
Best Regards,
Leonardo
> Attachment objects with wrong version numbers (-1)
> --------------------------------------------------
>
> Key: JSPWIKI-575
> URL: https://issues.apache.org/jira/browse/JSPWIKI-575
> Project: JSPWiki
> Issue Type: Bug
> Components: Core & storage
> Affects Versions: 2.8.2
> Environment: Win, Tomcat, IE + FF
> Reporter: Jochen Reutelshoefer
>
> If a new version of an attachment is uploaded jspwiki looks for the old
> version. This old version can not be found because its looked up with a wrong
> page name (AttachmentServlet.executeUpload()). We believe the reason is that
> the current page name is not contained in this request.
> (DefaultURLConstructor.parsePage())
> We are implmenting a plugin that listens attachment file versions and we
> cannot manage to do so because the version number fo the Attachment is always
> -1.
> When the server is restartet all version numbers are initialized correctly
> but will be corrupted by new uploads of the particular file.
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