Re: [OT] caching applet/jars

[ContestAdmin]

[EMAIL PROTECTED] wrote:

> Hi,
> I changed my applet to object and this works, but my jars are not
> getting downloaded in temporary or permanent cache.  Any thing I should
> be checking.  My plugin has enable caching checked.
> Thanks for your time,
> Sudha
>
> -Original Message-----
> From: ContestAdmin [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, January 30, 2003 3:02 PM
> To: Tomcat Users List
> Subject: Re: caching applet/jars
>
> [EMAIL PROTECTED] wrote:
>
> > Hi all,
> >
> > Have you used caching with the Java plug-in?  I have trouble
> downloading
> > my jar files in temporary/permanent caching. I have signed my jars and
> > added to my archive tag of my applet tag.  But still this does not
> work.
> >
> > I did find this java site
> > http://java.sun.com/products/plugin/1.3/docs/appletcaching.html
> > that talks about Object/Embed tag in html. But I am not sure how to
> > actually change my html.  i.e. I have an applet tag that looks like :
> >
> > 
> > 
> >  My project 
> > 
> >  >   MARGINWIDTH=0  BGCOLOR="#F4">
> >
> >  > CODE="java/Applet.class"
> > WIDTH=800
> > HEIGHT=600
> > MAYSCRIPT>
> >
> >  
> >  
> >  
> > and so on...
> > 
> >
> > How do I write my  tag within this applet tag, in the
> beginning
> > or after?  What should I write in the ... of thethe
> code
> > base like in applet tag?
> >
> > TIA,
> > Sudha
> >
> > Sudha Ramanujan
> > SunGard Futures Systems
> > [EMAIL PROTECTED]
> > (312) 577 6179
> > (312) 577 6101 - Fax
> >
> > -
> > To unsubscribe, e-mail: [EMAIL PROTECTED]
> > For additional commands, e-mail: [EMAIL PROTECTED]
>
> You can use the  tag as a replacement for
> your applet tag.
>
> Thus you would no longer have the  tag.
>
> I'm fairly sure that all of the attributes from the  tag are
> also
> in the  tag so you could just replace 'applet' with 'object'
> and it should work.
>
> -CA
>
> -
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Try adding the following:
  
  

If that doesn't work then it's beyond me.

-CA



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Re: caching applet/jars

[ContestAdmin]

[EMAIL PROTECTED] wrote:

> Hi all,
>
> Have you used caching with the Java plug-in?  I have trouble downloading
> my jar files in temporary/permanent caching. I have signed my jars and
> added to my archive tag of my applet tag.  But still this does not work.
>
> I did find this java site
> http://java.sun.com/products/plugin/1.3/docs/appletcaching.html
> that talks about Object/Embed tag in html. But I am not sure how to
> actually change my html.  i.e. I have an applet tag that looks like :
>
> 
> 
>  My project 
> 
>MARGINWIDTH=0  BGCOLOR="#F4">
>
>  CODE="java/Applet.class"
> WIDTH=800
> HEIGHT=600
> MAYSCRIPT>
>
>  
>  
>  
> and so on...
> 
>
> How do I write my  tag within this applet tag, in the beginning
> or after?  What should I write in the ... of thethe code
> base like in applet tag?
>
> TIA,
> Sudha
>
> Sudha Ramanujan
> SunGard Futures Systems
> [EMAIL PROTECTED]
> (312) 577 6179
> (312) 577 6101 - Fax
>
> -
> To unsubscribe, e-mail: [EMAIL PROTECTED]
> For additional commands, e-mail: [EMAIL PROTECTED]

You can use the  tag as a replacement for
your applet tag.

Thus you would no longer have the  tag.

I'm fairly sure that all of the attributes from the  tag are also
in the  tag so you could just replace 'applet' with 'object'
and it should work.

-CA



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Re: URL

[ContestAdmin]

"Ravindra K. Bhat" wrote:

> Hi:
>
> I wanted the users to not see the port when they browse..ie
> instead of the url being https://www.mydom.com:8443/**.* i would rather
> have them see https://www.mydom.com/**.* 
>

The only way to have them not see the port is to have https bind to port 443.

>
> Ravi
>
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-CA



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Re: Simultaneous request from same IP

[ContestAdmin]

It is possible that the two requests are being handled by the same
servlet. The outputs can be confused if the servlet uses any
'global' servlet variables.

Try either synchronizing the methods or have your servlet
implement SingleThreadModel.

-CA

Chris Bick wrote:

> I have two different requests that hit my servlet from the same IP.
> When these two requests hit my servlet a second or more apart the output
> reflects the different data in each request(which is correct).  If the
> requests hit the servlet at the same time the output for both requests
> reflect the data sent in the first request(which is incorrect).
>
> Ex.
> Request 1.
> Test-Header: Request 1
> http://192.168.1.72:8080/myservlet/insert?xxx=
>
> Request 2.
> Test-Header: Request 2
> http://192.168.1.72:8080/myservlet/insert?xxx=
>
> Hope this helps clear things up.  It is very easy to reproduce.
>
> Install the servlet in this email on one box(missing some imports)
> Write a client that will send different header values each time to the
> above servlet.(same header names)
> Fire up 2 cmd prompts from another box.
> Run the clients one after another.(real fast)
>
> -cb
>
> -Original Message-
> From: Mike W-M [mailto:[EMAIL PROTECTED]]
> Sent: Monday, December 16, 2002 10:28 AM
> To: Tomcat Users List
> Subject: Re: Simultaneous request from same IP
>
> I might be missing the point!
> What exactly is the problem?  I didn't think there was any rule that
> said
> you couldn't have two "identical" requests running at the same time (as
> long
> as the outputs don't get mixed up).
> As I understand it, requests will be differentiated by the fact that
> they
> come from different TCP/IP port-numbers on the client machine.  (Not
> sure
> whether that info is available to your servlet, but I suspect Tomcat
> will
> have to know it.)
>
> Mike.
>
> - Original Message -
> From: "Chris Bick" <[EMAIL PROTECTED]>
> To: "Tomcat Users List" <[EMAIL PROTECTED]>
> Sent: Monday, December 16, 2002 3:13 PM
> Subject: RE: Simultaneous request from same IP
>
> Thanks for responding.  I don't think it is an instance variable
> problem. Here is the code to reproduce the problem:
>
> public class AServlet extends HttpServlet {
>   public void doGet(HttpServletRequest request, HttpServletResponse
> reponse) throws ServletException, IOException {
>
>   printWriter pw = reponse.getWriter();
>   reponse.setContentType("text/html");
>
>   synchronized(System.out)
>   {
> System.out.println("Query String: " + request.getQueryString());
>   System.our.println("Header  : "
> +request.getHeader("Test-Header");
>   }
>
>   out.println("Done");
> }
>
> Two different request hit this servlet about 1 sec apart everything is
> fine.  It's only when they enter the servlet at the same time.
>
> I will submit a bug report if know one sees a problem with the above
> code.
>
> -cb
> -Original Message-
> From: Craig R. McClanahan [mailto:[EMAIL PROTECTED]]
> Sent: Sunday, December 15, 2002 10:22 PM
> To: Tomcat Users List
> Subject: Re: Simultaneous request from same IP
>
> On Sun, 15 Dec 2002, Chris Bick wrote:
>
> > Date: Sun, 15 Dec 2002 22:05:45 -0500
> > From: Chris Bick <[EMAIL PROTECTED]>
> > Reply-To: Tomcat Users List <[EMAIL PROTECTED]>
> > To: [EMAIL PROTECTED]
> > Subject: Simultaneous request from same IP
> >
> > Hello,
> > Has anyone seen two requests from the same IP hitting a
> > servlet at approximately the time result in the same query string and
> > headers?
> >
> > I can reproduce this every time.  Make two requests from one machine
> > that hits my servlet at approximately the same time.   Both
> > HttpServletRequest objects contain query string and header information
> > of the first request in.  If the IPs are different everything works
> > properly.
> >
>
> This seems *much* more likely to be a thread-safety problem in your user
> code than a bug in Tomcat.  For example, using instance variables in
> your
> servlet to store per-request state information is pretty much guaranteed
> to have difficulties.
>
> The only way to know for sure would be for you to post a bug report
> (http://nagoya.apache.org/bugzilla/) with a reproducible test case, so
> that Tomcat developers can see what you are seeing.
>
> > Thanks,
> > -cb
> >
>
> Craig
>
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Re: I don´t understand the objective of thisopen list !

[ContestAdmin]

Dave Sill wrote:

> Mark <[EMAIL PROTECTED]> writes:
>
> > Our company has a very young, inexperienced appserver administrator
> > who had Tomcat up an running in a matter of minutes (literally)
> > without a CD library of professionally drafted set of documentation.
>
> With an Apache connector? Running as a nonprivileged user and/or
> chrooted?
>
> > Instead of complaining, why not post the specific nature of your
> > problems and let people here help you?
>
> I'm not complaining, and I did exactly that. Know what response I got?
> Nothing. Not one reply. No requests for more info, no flames, no
> "outta work"'s, ... nothing. See:
>
>   http://www.mail-archive.com/tomcat-user@jakarta.apache.org/msg76175.html
>
> I know I'm not entitled to a response, but when the documention fails
> and only other support channel available fails, it's frustrating.
>
> --
> Dave Sill Oak Ridge National Lab, Workstation Support
> Author, The qmail Handbook
> : Almost everything you always wanted to know.
>
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If the socked file does not exist perhaps the user running tomcat could
not create it (of course if you are running as root this is moot).

I'm sorry I can't help more, I have not started on mod_jk2 yet.

If I do get it setup I'll give you more help.

(right now it does not compile for me and because I have a working
tomcat install and lots of other 'more important' things to do I must
leave it be).

-CA



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Re: How to get user:password from page header?

[ContestAdmin]

Andrew Guts wrote:

> Hi all,
>
> I am porting an old CGI application to JSP/servlets. I need to port user
> authentication code also. But getHeader("authorization") returns encoded
> string like "Basic YW5kcmV3Og==". How to get original value like
> USER:PASSWORD ?
>
> Thanks ahead
>
> Andrew
>
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Hmm...

If I remember right (and I probably don't ;-) this information
is encoded in Base64. All you need to do is run the
'YW5kcmV3Og==' stuff through a decoder.

-CA



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Re: running an applet using tomcat

[ContestAdmin]

Eds RR Mail wrote:

> I am a relatively new Tomcat user.  I am having trouble getting an applet to
> run because
> I don't seem to be getting the files in the right place or path references
> correct.
>
> Here is the html:
>
> 
> 
> test java map Applet
> 
> 
> Java Map Applet :
> 
>  width="80%"  height="80%">
> 
> 
> 
>
> The jar file is in the WEB-INF/lib folder.
>
> Are these things correct?  It seemed straight forward, but I keep getting
> the message that the class could not be found.
>
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Hmm...

The archive should be in the same location as the HTML file.

Applets are not compiled and run from Tomcat, but rather are loaded in
the users web browser and then run.

Hopefully this helps.

-CA



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Re: Bug?

[ContestAdmin]

chad kellerman wrote:

> AC,
>
>   You know, I am thinking now it may be a kernel thing.  Was the kernel
> on both machines the same when you had the problem? (*nix?)
>
> Chad
>
>
>
> On Fri, 2002-10-25 at 15:39, ContestAdmin wrote:
> > chad kellerman wrote:
> >
> > > Hey everyone,
> > >
> > >   Check this out.
> > >   So I am getting this java exception:
> > >  2002-10-25 13:53:40
> > > [org.apache.catalina.connector.warp.WarpConnection] Exception on socket
> > > java.io.IOException: Premature packet header end
> > > at
> > > org.apache.catalina.connector.warp.WarpConnection.recv(WarpConnection.java:237)
> > > at
> > > 
>org.apache.catalina.connector.warp.WarpRequestHandler.handle(WarpRequestHandler.java:112)
> > > at
> > > org.apache.catalina.connector.warp.WarpConnection.run(WarpConnection.java:194)
> > > at java.lang.Thread.run(Thread.java:536)
> > >
> > >   Now I know I couldn't be the only one experiencing this error.  I
> > > checked everywhere, where I eventually ended up at apache-bugzilla
> > >
> > > http://issues.apache.org/bugzilla/show_bug.cgi?id=4547
> > >
> > > If you read the thread you'll see that it has been resolved and it
> > > was a duplicate bug.  And it lists the link to the other bug:
> > >
> > > http://issues.apache.org/bugzilla/show_bug.cgi?id=4545
> > >
> > > But,  The two are completely different.  One is a ssl key bug and the
> > > other is a socket exception
> > >
> > > Am I missing something??
> > >
> > > I am running the newest tomcat 4.0.6  on apache 1.3.2X with the newest
> > > jvm on redhat 6.2.
> > >
> > > I get the above error then apache freezes up?
> > >
> > > Any every have this happen?
> > >
> > > Does this bug need to be reopened??  Never been in this situation and I
> > > don't know how to proceed.  Any help would be greatly appreciated.
> > >
> > > Sincerely,
> > > Chad
> > >
> > >   
> > >Name: signature.asc
> > >signature.asc   Type: application/pgp-signature
> > > Description: This is a digitally signed message part
> >
> > Chad,
> >
> > I've had the same problem and have had little luck on this list with
> > a response. I also saw the two entries in bugzilla.
> >
> > The only suggestion that I have is to change to mod_jk or mod_jk2
> > instead of mod_webapp.
> >
> > >From what I've been able to get from the conversations on this list
> > the development on mod_webapp is dead.
> >
> > My problem was even more fun as I have two (supposedly) identical
> > machines and one has this bug while the other does not. I still have
> > not found anything different between the two. (same JDK, same
> > extentsions, same apache version, same mod_webapp version same
> > tomcat version, same ssl version).
> >
> > If you do happen to find anything out about this I'd love to hear about
> > it.
> >
> > -AC
> >
> >
> >
> > --
> > To unsubscribe, e-mail:   <mailto:tomcat-user-unsubscribe@;jakarta.apache.org>
> > For additional commands, e-mail: <mailto:tomcat-user-help@;jakarta.apache.org>
> >
> --
> Chad Kellerman
> Jr. Systems Administrator
> Alabanza Inc
> 410-234-3305
>
>   
>Name: signature.asc
>signature.asc   Type: application/pgp-signature
> Description: This is a digitally signed message part

Chad,

It is (remotely) possible that my two machines have different patch levels.

I'll have to do some checking. Both of my machines are running Solaris 2.6.

This seems to be a plausible explanation, once I run a check of all patches on
the two machines I'll post back to the list (especially if it fixes this most elusive
'feature').

-Adam C




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Re: Bug?

[ContestAdmin]

chad kellerman wrote:

> Hey everyone,
>
>   Check this out.
>   So I am getting this java exception:
>  2002-10-25 13:53:40
> [org.apache.catalina.connector.warp.WarpConnection] Exception on socket
> java.io.IOException: Premature packet header end
> at
> org.apache.catalina.connector.warp.WarpConnection.recv(WarpConnection.java:237)
> at
> 
>org.apache.catalina.connector.warp.WarpRequestHandler.handle(WarpRequestHandler.java:112)
> at
> org.apache.catalina.connector.warp.WarpConnection.run(WarpConnection.java:194)
> at java.lang.Thread.run(Thread.java:536)
>
>   Now I know I couldn't be the only one experiencing this error.  I
> checked everywhere, where I eventually ended up at apache-bugzilla
>
> http://issues.apache.org/bugzilla/show_bug.cgi?id=4547
>
> If you read the thread you'll see that it has been resolved and it
> was a duplicate bug.  And it lists the link to the other bug:
>
> http://issues.apache.org/bugzilla/show_bug.cgi?id=4545
>
> But,  The two are completely different.  One is a ssl key bug and the
> other is a socket exception
>
> Am I missing something??
>
> I am running the newest tomcat 4.0.6  on apache 1.3.2X with the newest
> jvm on redhat 6.2.
>
> I get the above error then apache freezes up?
>
> Any every have this happen?
>
> Does this bug need to be reopened??  Never been in this situation and I
> don't know how to proceed.  Any help would be greatly appreciated.
>
> Sincerely,
> Chad
>
>   
>Name: signature.asc
>signature.asc   Type: application/pgp-signature
> Description: This is a digitally signed message part

Chad,

I've had the same problem and have had little luck on this list with
a response. I also saw the two entries in bugzilla.

The only suggestion that I have is to change to mod_jk or mod_jk2
instead of mod_webapp.

>From what I've been able to get from the conversations on this list
the development on mod_webapp is dead.

My problem was even more fun as I have two (supposedly) identical
machines and one has this bug while the other does not. I still have
not found anything different between the two. (same JDK, same
extentsions, same apache version, same mod_webapp version same
tomcat version, same ssl version).

If you do happen to find anything out about this I'd love to hear about
it.

-AC



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Re: Extra Log Information...

[ContestAdmin]

ContestAdmin wrote:

> ContestAdmin wrote:
>
> > Hi all.
> >
> > I recently decided to upgrade my system from using
> > apache jserv to use tomcat.
> >
> > I am running Solaris 2.6.
> > I have apache version 2.0.42
> > tomcat version 4.1.12.
> >
> > I am attempting to get the two to communicate via
> > mod_webapp.
> >
> > Right now they appear to be working, but I am getting
> > a lot of extra information written out to the log files for
> > tomcat.
> >
> > Actually I also see some interesting information in
> > the apache log as well (but I believe I know why this
> > is).
> >
> > >From the apache log:
> > -
> > [Thu Oct 03 11:16:10 2002] [error] Connection "conn" cannot connect
> > [Thu Oct 03 11:16:10 2002] [error] Cannot open connection "conn"
> > -
> >
> > I am assuming this is because my script starts
> > apache before tomcat. These errors only show up
> > at the very start of the error_log and cease.
> >
> > The real problem is messages in the tomcat log:
> > -
> > java.io.IOException: Premature packet header end
> > at
> > org.apache.catalina.connector.warp.WarpConnection.recv(Unknown Source)
> > at
> > org.apache.catalina.connector.warp.WarpRequestHandler.handle(Unknown
> > Source)
> > at org.apache.catalina.connector.warp.WarpConnection.run(Unknown
> > Source)
> > at java.lang.Thread.run(Thread.java:536)
> > -
> >
> > I see several of these for every request. I've done
> > some searching in the mailing list and I think this maybe
> > due to serving images but I'm not sure. I also did not
> > find a solution on how to end these.
> >
> > Is it possible this is due to a 'file not found' error?
> >
> > Any help is greatly appreciated.
> >
> > --
> > To unsubscribe, e-mail:   <mailto:[EMAIL PROTECTED]>
> > For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
>
> More information to make this puzzle even more confusing.
>
> 1) I have an (apparently) identical setup on a second machine that works without
>
> this error. Both machines are the same hardware, OS, jdk, apache, tomcat
> versions.
>
> 2) Also I'm fairly sure this is not a file not found error, because I tested it
> on the
> machine where it is not present and could not get it to duplicate based on the
> file not existing.
>
> I was able to get an identical stack trace by telneting into the
> port for webapp and killing the connection (however).
>
> I've searched over the archived mailing list and seen this issue a few
> times, but never a resolution.
>
> Does it only happen to a very very very few people?
>
> There is probably a very simple explanation that I am missing :-(
>
> Also when the 'Application not currenlty deployed' error page is
> displayed it shows the full path to the webapp.c file in the title
> for the page (definately a feature, but possibly a dangerous one)...
>
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Hmm...

I've noticed that this only generates between 2-3 megs of (extra)
log information per day.

I still have no idea why this is happening, but I guess except for
3-4 other times that I have found this mentioned in the mailing
list archives it hasn't happened (or has had a painfully simple
solution).

My guess is that the socket from the mod_webapp.so -> tomcat
has a timeout of say 1 second and that it hits the timeout closes
and reopens. This would cause the output that I am seeing, but
I'm not *that* good at hacking and don't really want to go into
the code to attempt to figure this out. Also the fact that I only
see it on one of three machines makes me think that this
possibility is highly unlikely.

My other guess is that it is a configuration problem, but I couldn't
begin to figure out what might cause this. Perhaps debug level
needs to be > 0 to avoid the output (that would seem to be
backwards, besides this doesn't look like debugging output).

Is this answered in the FAQ and I missed it, I'd feel fairly bad
then.

-ContestAdmin



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Re: Extra Log Information...

[ContestAdmin]

ContestAdmin wrote:

> Hi all.
>
> I recently decided to upgrade my system from using
> apache jserv to use tomcat.
>
> I am running Solaris 2.6.
> I have apache version 2.0.42
> tomcat version 4.1.12.
>
> I am attempting to get the two to communicate via
> mod_webapp.
>
> Right now they appear to be working, but I am getting
> a lot of extra information written out to the log files for
> tomcat.
>
> Actually I also see some interesting information in
> the apache log as well (but I believe I know why this
> is).
>
> >From the apache log:
> -
> [Thu Oct 03 11:16:10 2002] [error] Connection "conn" cannot connect
> [Thu Oct 03 11:16:10 2002] [error] Cannot open connection "conn"
> -
>
> I am assuming this is because my script starts
> apache before tomcat. These errors only show up
> at the very start of the error_log and cease.
>
> The real problem is messages in the tomcat log:
> -
> java.io.IOException: Premature packet header end
> at
> org.apache.catalina.connector.warp.WarpConnection.recv(Unknown Source)
> at
> org.apache.catalina.connector.warp.WarpRequestHandler.handle(Unknown
> Source)
> at org.apache.catalina.connector.warp.WarpConnection.run(Unknown
> Source)
> at java.lang.Thread.run(Thread.java:536)
> -
>
> I see several of these for every request. I've done
> some searching in the mailing list and I think this maybe
> due to serving images but I'm not sure. I also did not
> find a solution on how to end these.
>
> Is it possible this is due to a 'file not found' error?
>
> Any help is greatly appreciated.
>
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More information to make this puzzle even more confusing.

1) I have an (apparently) identical setup on a second machine that works without

this error. Both machines are the same hardware, OS, jdk, apache, tomcat
versions.

2) Also I'm fairly sure this is not a file not found error, because I tested it
on the
machine where it is not present and could not get it to duplicate based on the
file not existing.

I was able to get an identical stack trace by telneting into the
port for webapp and killing the connection (however).

I've searched over the archived mailing list and seen this issue a few
times, but never a resolution.

Does it only happen to a very very very few people?

There is probably a very simple explanation that I am missing :-(

Also when the 'Application not currenlty deployed' error page is
displayed it shows the full path to the webapp.c file in the title
for the page (definately a feature, but possibly a dangerous one)...



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Extra Log Information...

[ContestAdmin]

Hi all.

I recently decided to upgrade my system from using
apache jserv to use tomcat.

I am running Solaris 2.6.
I have apache version 2.0.42
tomcat version 4.1.12.

I am attempting to get the two to communicate via
mod_webapp.

Right now they appear to be working, but I am getting
a lot of extra information written out to the log files for
tomcat.

Actually I also see some interesting information in
the apache log as well (but I believe I know why this
is).

>From the apache log:
-
[Thu Oct 03 11:16:10 2002] [error] Connection "conn" cannot connect
[Thu Oct 03 11:16:10 2002] [error] Cannot open connection "conn"
-

I am assuming this is because my script starts
apache before tomcat. These errors only show up
at the very start of the error_log and cease.

The real problem is messages in the tomcat log:
-
java.io.IOException: Premature packet header end
at
org.apache.catalina.connector.warp.WarpConnection.recv(Unknown Source)
at
org.apache.catalina.connector.warp.WarpRequestHandler.handle(Unknown
Source)
at org.apache.catalina.connector.warp.WarpConnection.run(Unknown
Source)
at java.lang.Thread.run(Thread.java:536)
-

I see several of these for every request. I've done
some searching in the mailing list and I think this maybe
due to serving images but I'm not sure. I also did not
find a solution on how to end these.

Is it possible this is due to a 'file not found' error?

Any help is greatly appreciated.




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