0004290: Writer/OutputStream mixup

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Category

Severity

Reproducibility

Date Submitted

Last Update

0004290

[Resin]

minor

always

11-12-10 08:58

02-04-11 14:09

Reporter

ferg

View Status

public

Assigned To

ferg

Priority

normal

Resolution

fixed

Status

closed

Product Version

4.0.10

Summary

0004290: Writer/OutputStream mixup

Description

(rep by Mattias Jiderhamn)

Since upgrading to Resin 4.0.10 this error has turned up now and then in
our log files, however we have sofar been unable to reproduce it ourselves.
Could it be a Resin bug...?

java.lang.IllegalStateException: getWriter() can't be called after getOutputStream().
    at com.caucho.server.http.HttpServletResponseImpl.getWriter(HttpServletResponseImpl.java:166)
    at com.caucho.server.http.ToCharResponseAdapter$ToCharResponseStreamWrapper.writeNext(ToCharResponseAdapter.java:140)
    at com.caucho.server.http.ToCharResponseStream.flushCharBuffer(ToCharResponseStream.java:389)
    at com.caucho.server.http.ToCharResponseStream.flushBuffer(ToCharResponseStream.java:338)
    at com.caucho.server.http.ResponseAdapter.finish(ResponseAdapter.java:344)
    at com.caucho.jsp.PageContextImpl.release(PageContextImpl.java:1444)
    at com.caucho.jsp.PageManager.freePageContext(PageManager.java:217)
    at _jsp._html._orders._invoices._invoiceStatisticsList__jsp._jspService(_invoiceStatisticsList__jsp.java:45)
         ...

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Notes
(0004850) ferg 11-17-10 09:47	If we were, we should be able to reproduce it and it would turn up a lot more often in production. We've only seen it logged six times in three weeks.

(0005010) mate 01-31-11 00:31	Any news on this? It's still happening a couple of times each week in production. Just now another team member saw it on the console of his dev environment.

(0005011) ferg 01-31-11 10:33	Haven't been able to reproduce this yet. Any more detail on the scenario that triggers this would be very helpful: (forwards, filters, JSP/non-JSP, getOutputStream() vs JSP output, caching, etc.)

(0005012) mate 02-01-11 00:22	This happens both with "pure" JSPs and JSPs forwarded to from servlets. There are a couple of filters. What kind of caching are you thinking about? I'll mail you some details on a specific case.

(0005023) ferg 02-04-11 14:09	jsp/017o The fixed case is with a JSP with a large buffer size and a sendRedirect.

Issue History
Date Modified	Username	Field	Change
11-12-10 08:58	ferg	New Issue
11-17-10 09:47	ferg	Note Added: 0004850
01-31-11 00:28	mate	Issue Monitored: mate
01-31-11 00:31	mate	Note Added: 0005010
01-31-11 10:33	ferg	Note Added: 0005011
02-01-11 00:22	mate	Note Added: 0005012
02-04-11 14:09	ferg	Note Added: 0005023
02-04-11 14:09	ferg	Assigned To	=> ferg
02-04-11 14:09	ferg	Status	new => closed
02-04-11 14:09	ferg	Resolution	open => fixed
02-04-11 14:09	ferg	Fixed in Version	=> 4.0.15

Mantis 1.0.0rc3[^]

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