Re: Tomcat session with uncertain problem
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Hash: SHA256
Terrence,
On 11/11/13, 4:31 PM, Terence M. Bandoian wrote:
> On 11/11/2013 2:29 PM, Jose Irrazabal wrote:
>> Thanks for the reply
>>
>> I generate the session in a servlet in doPost method that would
>> be:
>>
>> protected void doPost ( HttpServletRequest request ,
>> HttpServletResponse response) throws ServletException ,
>> IOException {
>>
>> */ / create the session* HttpSession session = request.getSession
>> ( ) ;
>>
>> */ / set attribute* session.setAttribute ( " idser " p_iduser )
>> ; session.setAttribute ( "username" , p_username ) ;
>>
>> */ / redirect to page " menu.jsp "* response.sendRedirect ( "
>> menu.jsp " ) ;
>>
>>
>> } */ / end method*
>>
>> On page " menu.jsp " I get the attribute with :
>>
>> session = request.getSession ( false); String userid = (String )
>> session.getAttribute ( " userid " ) ; String user = (String )
>> session.getAttribute ( "user") ;
>>
>> It is possible that this code *HttpSession session =
> request.getSession ( )* ;
>> this bad and how I can correct it.
>>
>> It is possible that this code:* session = request.getSession
>> (false )*, this bad and how I can correct it.
>>
>> They could give me an example of how to work with sessions
>> (create and capture) in a Java application with JSP, please
>>
>
>
> Hi, Jose-
>
> Is your request variable the implicit object provided by the JSP
> container? Do you maintain a reference to the request object
> anywhere?
>
> Do you maintain a reference to the session object anywhere? Also,
> there is an implicit session object provided by the JSP container
> which is set before your code is executed in a JSP page so it
> shouldn't have to be set again in menu.jsp. However, if you do
> call request.getSession and include a false argument, it would
> probably be best to check for a null return value.
>
> Are you sure your servlet is always executed before menu.jsp for a
> given session?
>
> One thing you might consider is implementing HttpSessionListener
> and removing all of your application-specific attributes in the
> sessionDestroyed method. That might help make the situation more
> clear.
>
> You might also consider setting your session attributes in a
> servlet filter rather than in a servlet. That would eliminate the
> need for a redirect.
request -> servlet -> JSP using a forward is fairly typical. Redirects
are slightly less common but there's no reason there should be any
suspicion about a problem, there.
In this case, the data is being stored in the session (and not the
request) so doing a redirect (or forward) is not much different from a
pass-through filter.
It's pretty clear that the code above is for example/testing purposes,
so I wouldn't treat this as a real-world scenario.
- -chris
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Re: Tomcat session with uncertain problem
On 11/11/2013 2:29 PM, Jose Irrazabal wrote:
> Thanks for the reply
>
> I generate the session in a servlet in doPost method that would be:
>
> protected void doPost ( HttpServletRequest request , HttpServletResponse
> response)
> throws ServletException , IOException {
>
> */ / create the session*
> HttpSession session = request.getSession ( ) ;
>
> */ / set attribute*
> session.setAttribute ( " idser " p_iduser ) ;
> session.setAttribute ( "username" , p_username ) ;
>
> */ / redirect to page " menu.jsp "*
> response.sendRedirect ( " menu.jsp " ) ;
>
>
> } */ / end method*
>
> On page " menu.jsp " I get the attribute with :
>
> session = request.getSession ( false);
> String userid = (String ) session.getAttribute ( " userid " ) ;
> String user = (String ) session.getAttribute ( "user") ;
>
> It is possible that this code *HttpSession session =
request.getSession ( )* ;
> this bad and how I can correct it.
>
> It is possible that this code:* session = request.getSession (false )*,
> this bad and how I can correct it.
>
> They could give me an example of how to work with sessions (create and
> capture) in a Java application with JSP, please
>
Hi, Jose-
Is your request variable the implicit object provided by the JSP
container? Do you maintain a reference to the request object anywhere?
Do you maintain a reference to the session object anywhere? Also, there
is an implicit session object provided by the JSP container which is set
before your code is executed in a JSP page so it shouldn't have to be
set again in menu.jsp. However, if you do call request.getSession and
include a false argument, it would probably be best to check for a null
return value.
Are you sure your servlet is always executed before menu.jsp for a given
session?
One thing you might consider is implementing HttpSessionListener and
removing all of your application-specific attributes in the
sessionDestroyed method. That might help make the situation more clear.
You might also consider setting your session attributes in a servlet
filter rather than in a servlet. That would eliminate the need for a
redirect.
-Terence Bandoian
-
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Re: Tomcat session with uncertain problem
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Jose,
On 11/11/13, 3:29 PM, Jose Irrazabal wrote:
> I generate the session in a servlet in doPost method that would
> be:
>
> protected void doPost ( HttpServletRequest request ,
> HttpServletResponse response) throws ServletException , IOException
> {
>
> */ / create the session* HttpSession session = request.getSession (
> ) ;
>
> */ / set attribute* session.setAttribute ( " idser " p_iduser ) ;
> session.setAttribute ( "username" , p_username ) ;
>
> */ / redirect to page " menu.jsp "* response.sendRedirect ( "
> menu.jsp " ) ;
>
>
> } */ / end method*
>
> On page " menu.jsp " I get the attribute with :
>
> session = request.getSession ( false); String userid = (String )
> session.getAttribute ( " userid " ) ; String user = (String )
> session.getAttribute ( "user") ;
So you are saying that with a simple servlet and JSP you can
demonstrate that Tomcat is swapping session ids between two users?
Please provide a WAR file including source that demonstrates the
problem, and includes instructions for how to "see" the problem.
You won't be able to post a WAR file to the list, so throw it on
DropBox or something like that. Don't create a Bugzilla entry because
I'm sure this isn't a Tomcat bug.
> It is possible that this code *HttpSession session =
> request.getSession ( )* ; this bad and how I can correct it.
Very unlikely.
> It is possible that this code:* session = request.getSession (false
> )*, this bad and how I can correct it.
I wouldn't bother having that line in your JSP at all: it just does
what the JSP container will do for you, anyway (except that the
container will pass "true" as the boolean argument to that method).
- -chris
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Re: Getting Error the the Time of deploying .war file
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 André, On 11/11/13, 6:49 AM, André Warnier wrote: > Saurabh Saraswat wrote: >> Dear all, >> >> I am getting the "Connection was reset error" while deploying the >> .war file of my web application on the apache-tomcat server. I am >> deploying the file using Tomcat-Manager and its giving the above >> mentions error after uploading 50 %. > > What is the size of that file ? You may be hitting a maximum upload > file size. ( -- maxPostSize) > >> >> Can u please tell me the reason of this. This is the snapshot of >> error. > > Better : check the Tomcat logs. The error should be mentioned there > too, probably with an explanation. I'd like to know if the error occurred on the client or the server (or both). What do the logs say? - -chris -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.15 (Darwin) Comment: GPGTools - http://gpgtools.org Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQIcBAEBCAAGBQJSgUMxAAoJEBzwKT+lPKRY/YAQAMH6aV9nwjNu9JmnosGLoylz b7qWxiwoku2SvQhDoTCwbeJQ41drCU2j8mPS0VDV/ZNDIYf51h32xNuRAR1PFZMU Blatb8/zab4/lR0zlaCLy82vqS1AueEYT6b3TXaZjMSk5rt5rCFodbQcEPY2L7qq INJwDS6Yfkhtr8PjsuO717/rIYLrZbEbjBfQqSqn+v5ytuoKEhUebd1gUQ/2dkdO 4YgA6X0c+xKs+mo1oohFTMICnHsLHZ/TSSwFV89V+oNxBVQrKsdPAlV84jMcs01R TKLKMahlbVcAqzbP+dP09NZSSCOoQQ0ScXOFB24w1oaO1BXGSRDlwyr4yW2UVwFf gcef/sBFQvrVPg2gInVYzg+nADBG5RuUV20Dz0CpWqVUYMRCM4qO+tX2lD5KOhzD +sCAHWjsrhVBov6mo/vITwhCK4XwV0/G+Jqn/1rnRKwTbBMELjmbS7163FOMvpmc MWRpZWbLGINaUmsWVfL6KaJhkvJYNjVIyGq8iGIt0El1gzGjJoH5nkcFEx5nIngF Kw25DF/mHBV03sXhoqRGy2xNQckGQP3UGtPzSWUoB0Ha5FesyILzbhkK8Tc4BYjC /l+a9O9FVHMTpbeZhtsngOhOMsdGuA6V+7ux/G9dSb9u5S764yg1FM+7+kEYE2Qz s8tYdNdlnVBf58DizTBG =Pvix -END PGP SIGNATURE- - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Re: Tomcat session with uncertain problem
Thanks for the reply
I generate the session in a servlet in doPost method that would be:
protected void doPost ( HttpServletRequest request , HttpServletResponse
response)
throws ServletException , IOException {
*/ / create the session*
HttpSession session = request.getSession ( ) ;
*/ / set attribute*
session.setAttribute ( " idser " p_iduser ) ;
session.setAttribute ( "username" , p_username ) ;
*/ / redirect to page " menu.jsp "*
response.sendRedirect ( " menu.jsp " ) ;
} */ / end method*
On page " menu.jsp " I get the attribute with :
session = request.getSession ( false);
String userid = (String ) session.getAttribute ( " userid " ) ;
String user = (String ) session.getAttribute ( "user") ;
It is possible that this code *HttpSession session = request.getSession ( )* ;
this bad and how I can correct it.
It is possible that this code:* session = request.getSession (false )*,
this bad and how I can correct it.
They could give me an example of how to work with sessions (create and
capture) in a Java application with JSP, please
2013/11/11 Christopher Schultz
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA256
>
> Jose,
>
> On 11/11/13, 8:24 AM, Jose Irrazabal wrote:
> > Thanks for the answer, then it can be when generating the session?
> >
> > I use a servlet to create the session with the code: *HttpSession
> > session = request.getSession ();* Then I add the attributes:
> > *session.setAttribute ("idUser" p_iduser);* *
> > session.setAttribute ("username", p_username);* *
> > session.setAttribute ("idrol" p_idrol);* And redirected to the page
> > "principal.jsp" : *response.sendRedirect ("principal.jsp");* On
> > page "principal.jsp", recovery attributes for display: *session =
> > request.getSession (false);* * Id_user String = (String)
> > session.getAttribute ("idUser");* * String username = (String)
> > session.getAttribute ("username");* * Idrol String = (String)
> > session.getAttribute ("idrol");*
>
> Note that "session" should be an implicit variable in every page,
> already set to the user's session. You should not have to call
> request.getSession in your page at all.
>
> > This is where the problem occurred, a user session captured the
> > other user sesion, may then this used procedure is bad?
>
> Usually this kind of thing happens because you have stored a reference
> to a HttpServletRequest or HttpSession object somewhere you should not
> have.
>
> Can you:
>
> a. Try to reproduce this issue with current Tomcat 7.0.47
>
> b. Create a minimal, simple test WAR that demonstrates your problem
> and post it somewhere
>
> This is very unlikely to be a bug in Tomcat, but more likely a bug in
> your own code.
>
> - -chris
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>
Re: Avoiding/Handling SocketTimeoutException(s) when web application serving resources to mobile clients
On Mon, Nov 11, 2013 at 10:23 AM, Christopher Schultz <
ch...@christopherschultz.net> wrote:
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA256
>
> Howard,
>
>
> I might recommend using a Filter like this:
>
> filter() {
>try {
> chain.doFilter();
>} catch (SocketTimeoutException ste) {
> application.log("Got STE for request " + request.getRequestURI()
> + with client " + request.getHeader("User-Agent"));
>}
> }
>
> ... or something like that. It might help uncover patterns in dropped
> connections.
agreed, i decided to do this (below) yesterday evening (to prevent the
stacktrace in the log file; noted your recommendation/usage of catching
SocketTimeoutException, thanks),
try {
chain.doFilter(req, res);
} catch (org.apache.catalina.connector.ClientAbortException e) {
logger.error("caught
org.apache.catalina.connector.ClientAbortException: " + e.getMessage());
}
since I already know the culprit(s); see details/explanation, below.
> Maybe Igor is right and the problem is some browser (e.g. MSIE 8) and not
> necessarily mobile clients.
>
it is the mobile device phone/internet connection that is lost, recycled,
recovered (or however you want to explain it). see below (and saved a copy
on gist[1], too).
user1 (iPad, internal verizon wireless 4G phone/internet connection)
connects and accesses login.xhtml page
70.215.84.34 - - [09/Nov/2013:13:08:20 -0500] "GET /webapp/index.jsf
HTTP/1.1" 302 -
70.215.84.34 - - [09/Nov/2013:13:08:22 -0500] "GET /webapp/login.jsf
HTTP/1.1" 200 1445
70.215.84.34 - - [09/Nov/2013:13:08:25 -0500] "GET
/webapp/javax.faces.resource/primefaces.css.jsf?ln=primefaces&v=4.0.3
HTTP/1.1" 200 10036
user1 (iPad); note localhost_access_log and tomcat7-stderr log lines below;
note the request filenames, date/time, and exceptions
70.215.84.34 - - [09/Nov/2013:13:09:00 -0500] "GET
/webapp/javax.faces.resource/jquery/jquery.js.jsf?ln=primefaces&v=4.0.3
HTTP/1.1" 200 -
70.215.84.34 - - [09/Nov/2013:13:09:00 -0500] "GET
/webapp/javax.faces.resource/jquery/jquery-plugins.js.jsf?ln=primefaces&v=4.0.3
HTTP/1.1" 200 -
Nov 09, 2013 1:09:00 PM org.apache.myfaces.application.ResourceHandlerImpl
handleResourceRequest
SEVERE: Error trying to load resource jquery/jquery.js with library
primefaces :null
ClientAbortException: java.net.SocketTimeoutException
at
org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:413)
Nov 09, 2013 1:09:00 PM org.apache.myfaces.application.ResourceHandlerImpl
handleResourceRequest
SEVERE: Error trying to load resource jquery/jquery-plugins.js with library
primefaces :null
ClientAbortException: java.net.SocketTimeoutException
at
org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:413)
user1 (iPad, different IP address) clicks Login button on login.xhtml, POST
to server, successful login, server redirects to index.xhtml
70.208.164.166 - - [09/Nov/2013:13:09:52 -0500] "POST /webapp/login.jsf
HTTP/1.1" 302 -
70.208.164.166 - - [09/Nov/2013:13:09:52 -0500] "GET /webapp/index.jsf
HTTP/1.1" 200 7008
Nov 09, 2013 1:09:52 PM pf.ApplicationScopeBean login
INFO: sessionId = user1B4584B981555A703B8E0DA189D2294F5
Nov 09, 2013 1:09:52 PM jsf.users.pf_UsersController loginUser
INFO: user1 (iPad) logged in at 11/09/2013 01:09 PM
user1 (iPad) GET resource, user2 initiate/GET websocket, user1 initiate/GET
websocket, respectively
70.208.164.166 - - [09/Nov/2013:13:09:53 -0500] "GET
/webapp/resources/images/loading_circleThickBox.gif?pfdrid_c=true HTTP/1.1"
304 -
166.137.105.198 - - [09/Nov/2013:13:09:53 -0500] "GET
/webapp/primepush/user27BF5C51CF354C1F4926B835CB7F2083E?X-Atmosphere-Transport=close&X-Atmosphere-tracking-id=f2a3916c-62a0-477e-b226-539857827c2e
HTTP/1.1" 200 -
70.208.164.166 - - [09/Nov/2013:13:09:54 -0500] "GET
/webapp/primepush/user1B4584B981555A703B8E0DA189D2294F5?X-Atmosphere-tracking-id=0&X-Atmosphere-Framework=2.0.3-jquery&X-Atmosphere-Transport=websocket&X-Atmosphere-TrackMessageSize=true&X-Cache-Date=0&X-atmo-protocol=true
HTTP/1.1" 101 -
[1]
https://gist.github.com/smithh032772/7380812#file-2013-11-11-discussion_details-txt
RE: [OT] RE: Baked-in context paths
> -Original Message- > From: Christopher Schultz [mailto:ch...@christopherschultz.net] > Sent: Thursday, November 07, 2013 10:07 AM > To: Tomcat Users List > Subject: Re: [OT] RE: Baked-in context paths > > > Jeff, > > On 11/7/13, 10:17 AM, Jeffrey Janner wrote: > >> -Original Message- From: Leo Donahue - OETX > >> [mailto:leodona...@mail.maricopa.gov] Sent: Wednesday, November 06, > >> 2013 4:29 PM To: Tomcat Users List Subject: [OT] RE: Baked-in > context > >> paths > >> > >>> -Original Message- From: Leo Donahue - OETX > >>> [mailto:leodona...@mail.maricopa.gov] Subject: RE: Baked-in context > >>> paths > >>> > >>> > >>> B KK > >>> > >>> > KKCB [ X ܚX KK[XZ[ > >>> > >>> \ \ ][ X ܚX P X ] > >>> \X K ܙ B ܈Y][ۘ[ [X[ K[XZ[ > >>> > >>> \ \ Z[ X ] \X K ܙ B > >> > >> I don't know why my email client keeps adding this junk. There > isn't > >> even a carriage return after this line. Sorry for the wasted bits. > > > > You must be using Outlook. My Outlook tends to do that every time I > > reply to one of Chris' PGP-signed messages. The trick is to make sure > > you remove all the PGP signature and all the header bits associated > > with it. > > :( > > I didn't know that was happening. I used to use PGP/MIME but evidently > that made my messages invisible (i.e. no-content) for some people with > ... less capable email readers. So I switched to in-message signatures > which seemed to be a bit more compatible. > > Apologies for the inconvenience. > > - -chris No real problem Chris. I normally delete everything at the end of a message that's not relevant to the message. It's just that I sometimes forget to remove the "BEGIN PGP MESSAGE" and hash line at the top of the message, and so for some reason Outlook still puts in a bunch of junk at the end. Not really your fault. If only MS would support industry standards better, we'd all be better off. (I also can't set it to not top-post replies.)
Re: Tomcat setting as a service after installing the binaries
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Jojy, On 11/11/13, 5:34 AM, Jojy George wrote: > I just checked and found out that it was problem with the wrong > jdk version. it was using 32 bit instead of 64 bit and i installed > the 64 bit and that fixed the issue. Just checking: do you actually need a 64-bit JVM? If a 32-bit JVM will work okay for you, you might want to use it instead. It's likely to be a bit faster as long as you don't need large heaps (>~1.5GiB). - -chris -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.15 (Darwin) Comment: GPGTools - http://gpgtools.org Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQIcBAEBCAAGBQJSgRFpAAoJEBzwKT+lPKRYqkYP/1ooG6AIbrcW5nT0vIe/HQ3e 4aL5TpJ3QkjemSjUNT7cObx0NZog1J/X/6GHuQs5u0gayI0Km/qU/QUAYEyD5pCh cYCYnLijFCcg5L/Rgtl9wHMPivs32+h05FwticD27IY9WDuS+t6wm8dOGU1yidxl /AX+4izIX5TH2KbJIGAUBpIkxmoNzhjZ9N5enNL38Uz1rLJBd4SAqA0NQC5N4PJ/ 8nOjjrvYqvW6lxcZJxCjKmd4tq/IqXetj5tT1Gkxaf1cqOykn8jmk4ou4/C26VjX hn+dfV8RcjTmvJrhLvjCorUSzsHFVnCv3xwkwZGsBbK8MJGQrQZY8lucFvd3pM2Z 4CyXnNccnap6meNDrqtHjVEjRoQaIAGoR0n0VGqwfqN78qwpXOhaQriRy2g/ncrL fuMj2nusTM4BG5NB465wmoTF609IOm+sb4garH4P547LM5Rn/zhyMM/3bNq1Usi6 T3/33Lbt2MdFrMm9PO5gKd58N/JWJzXlTEKEq5fRrHPM/aRysRIkJep51L9zePa4 Tac5Vhmt0BVwbJiAPzix1xwVaBF/Qkqb4IPaMqKsXz8G6cIRBHrWmxRTbzdXmVjL IVJYD01JlQs4Trqpkm2q0jbiWAyDkwoLr4LjWfVIv0xb5pUlCUX8RiQYz4pQI6m2 8yUALsz1/P8RkamxZPOk =Rgbf -END PGP SIGNATURE- - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Re: Tomcat setting as a service after installing the binaries
2013/11/11 Jojy George : > HI All, > > I am trying to set and run tomcat as a service after installing it as > binary instead using the windows installer. But i am not able to start it > after setting it as service, it is giving the below exception when i am > trying to start the tomcat service. > > Do anybody has got any idea why this error is coming and anybody has got > any resolution for the same. > > > > > [2013-11-11 14:42:44] [info] Service Tomcat6 name Apache Tomcat 6.0 Tomcat6 > [2013-11-11 14:42:44] [info] Service Tomcat6 installed > [2013-11-11 14:42:44] [info] Commons Daemon procrun finished. > [2013-11-11 14:42:52] [info] Commons Daemon procrun (1.0.2.0) started 1. Your OS = ? 2. How old is your version of Tomcat 6 that it uses Commons Daemon 1.0.2? The current version of Commons Daemon is 1.0.15. Best regards, Konstantin Kolinko - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Re: Restrict the use of JDK classes Tomcat 7 or 6
Hello Analia I'm glad that you could play successfully with the Security Manager as I advised first :D About permissions, here you have a doc : http://docs.oracle.com/javase/6/docs/technotes/guides/security/spec/security-spec.doc3.html#20211 best regards 2013/11/11 ANALIA DE PEDRO SANTAMARIA <100074...@alumnos.uc3m.es>: > Hello, > > I have been working with the Security Manager and I think it is a good > aproximation of what I need, thank you very much for the advice. I have > read that it is possible to create your own Permission class, but I haven't > found any documentation or example. Could anybody tell me where I can find > information about create a Permission class? > > Thank you very much. > > > 2013/10/23 Caldarale, Charles R > >> > From: Christopher Schultz [mailto:ch...@christopherschultz.net] >> > Subject: Re: Restrict the use of JDK classes Tomcat 7 or 6 >> >> > When you say "Java classes", are you talking about re-defining >> > something like java.lang.String? If so, then the servlet spec (3.0: >> > 10.7.2) prohibits web applications from loading classes from any of >> > these packages from a web application class loader. >> > java.* >> > javax.* >> > Looking at current trunk, Tomcat appears to take a lazy view and just >> > look for these two classes: >> > javax.servlet.Servlet >> > javax.el.Expression >> > So it looks like you might be able to redefine java.lang.String if you >> > want. >> >> As I recall, the JVM itself prevents loading of java.* classes from >> anywhere other than the registered JRE jar locations. Not sure about >> javax.* classes. >> >> - Chuck >> >> >> THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR OTHERWISE PROPRIETARY >> MATERIAL and is thus for use only by the intended recipient. If you >> received this in error, please contact the sender and delete the e-mail and >> its attachments from all computers. >> >> >> - >> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org >> For additional commands, e-mail: users-h...@tomcat.apache.org >> >> - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Re: Http url connection : server returned http response code 400
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256
Vicky,
On 11/11/13, 10:02 AM, vicky b wrote:
> I am getting server returned http response code 400 when i run
> below code from my tomcat however it works fine when i run it in
> WAS whch has proxy server settings.
>
> URL url = new URL(reqUrl); HttpURLConnection con =
> (HttpURLConnection)url.openConnection(); con.setDoOutput(true);
> con.setRequestMethod(request.getMethod());
> if(request.getContentType() != null) {
> con.setRequestProperty("Content-Type", request.getContentType());
> } con.setRequestProperty("Referer", request.getHeader("Referer"));
> int clength = request.getContentLength(); if(clength > 0) {
> con.setDoInput(true); InputStream istream =
> request.getInputStream(); OutputStream os = con.getOutputStream();
> final int length = 5000; byte[] bytes = new byte[length]; int
> bytesRead = 0; while ((bytesRead = istream.read(bytes, 0, length))
> > 0) { os.write(bytes, 0, bytesRead); } } else {
> con.setRequestMethod("GET"); } out.clear(); out =
> pageContext.pushBody(); OutputStream ostream =
> response.getOutputStream(); System.out.println(" finished
> getOUTputsteram"); response.setContentType(con.getContentType());
> InputStream in = con.getInputStream(); final int length = 5000;
> byte[] bytes = new byte[length]; int bytesRead = 0; while
> ((bytesRead = in.read(bytes, 0, length)) > 0) {
> ostream.write(bytes, 0, bytesRead); }
So you have a quick-and-dirty proxy servlet, right?
There are a number of optimizations, etc that you should probably
make, but none of the above code uses any Tomcat code (other than
fetching information from the incoming request, which presumably works
correctly).
It looks like you are getting a 400 from the server your code is
contacting. Have you looked at the request that is actually being sent?
Under what conditions do you get a 400 response? I see you are
unconditionally setting con.setDoOutput(true) even if you don't intend
to send any data. You conditionally call setDoInput which doens't make
a great deal of sense. I think you have these two calls reversed in
your head.
- -chris
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Re: Restrict the use of JDK classes Tomcat 7 or 6
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Analia, On 11/11/13, 10:25 AM, ANALIA DE PEDRO SANTAMARIA wrote: > I have been working with the Security Manager and I think it is a > good aproximation of what I need, thank you very much for the > advice. I have read that it is possible to create your own > Permission class, but I haven't found any documentation or example. > Could anybody tell me where I can find information about create a > Permission class? Try searching for "java custom SecurityManager" instead. Writing your own Permission isn't going to help unless the SecurityManager already knows how to check for that kind of permission, and the code attempting to run under the SM understands that it needs to request a privileged action. - -chris -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.15 (Darwin) Comment: GPGTools - http://gpgtools.org Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQIcBAEBCAAGBQJSgPiHAAoJEBzwKT+lPKRYlmYQAMNG0tbc5EzKjcm1Eqp12JdK jD1l9CxtWe4cWIaLtzeRypb3SgP+HgrFkfk5p4wtjQb4WnWItLBq9JTIj23c1gvZ ePHgySzchxWL8UPMRbiDDBnoLPn25Vk6Cy9wnanL7AMy/gBn9DggtY9PrJJEXEVm EZ6HY1tQrmgW1C4U3621Rlw5HYEP3u9t2zhXCYe5m27jm4DtcBSyq+eedlI5fxKI iFF4zEh+vdpE/+Xi3PDi8Ksg6iDoOANx09S1x5dUgdi/v8Agl1Cf7jUmOc75Vk+b TpDvDb/et+fltfbzN7XGVK9cqzp5ZaDgtJ+tw2EBY5/FVl/QEr1utIjc5K8gdN1J KYamOpp/qhfUIQGWN1sO2Pzzd+dmDlyqp5pRd2pxyZcwZhqpd4Gki+JcIpN4yaKu R/dV92GU3SzyTRCFxZ8DZdCcck6CU/XQrvzL2horjtRoguMsGiU3KnE+AtnvS/CJ X6D2FMPltk2o4NPM5mn8anDyLCNUOf3Z+8x5I4nA6nVYJXgSgr6XUNZUiinXjyJx CWmJTMwaPqFiNvTNOuw3q3p7KCFppznzmHashbOrB3qgbf44evEcsVO5kanOgwGw qMGT+YqCIjRUoaLsJxruzMd/JgmkiEYCf+2+BWruLhp/qa9Sh7MTOFHC/KnW+oUc 779tOTmWizs7tqxKXWR7 =ohPG -END PGP SIGNATURE- - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Re: Avoiding/Handling SocketTimeoutException(s) when web application serving resources to mobile clients
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 André, On 11/11/13, 5:41 AM, André Warnier wrote: > Howard W. Smith, Jr. wrote: >> On Sun, Nov 10, 2013 at 9:14 AM, Howard W. Smith, Jr. < >> smithh032...@gmail.com> wrote: >> >>> Caused by: java.net.SocketTimeoutException at >>> org.apache.tomcat.util.net.NioBlockingSelector.write(NioBlockingSelector.java:127) >>> >>> >>> at >>> org.apache.tomcat.util.net.NioSelectorPool.write(NioSelectorPool.java:174) >>> >>> >>> at >>> org.apache.coyote.http11.InternalNioOutputBuffer.writeToSocket(InternalNioOutputBuffer.java:163) >>> >>> >> >> >>> my apologies, based on this exception (above), I decided to provide you >> with the following from my tomee/conf/server.xml: >> >> >> > protocol="org.apache.coyote.http11.Http11NioProtocol" >> maxThreads="150" connectionTimeout="2" >> acceptorThreadCount="2" redirectPort="8443" >> socket.directBuffer="false"/> >> >> >> I guess the answer may be the connectionTimeout="..." (above), >> but still would like to know recommendations of others based on >> experience with web application serving mobile clients. thanks. >> > > AFAIK, the "connectionTimeout" above applies specifically to this > : - the client opens a TCP connection to the server - but then the > client does not send any request over that connection (so the > server waits and waits, until that timeout strikes). More specifically, it's the timeout within which the client must send the *request line* of the request. The whole request can take 10 minutes (e.g. huge streaming upload) for all Tomcat cares, as long as the initial request line arrives within that 20 seconds. > This is a classic way of doing a DoS attack : many clients connect > and don't send a request (or do it very slowly), tying up server > resources until the server is overwhelmed. In some Connector > configurations, this does not necessarily tie up a Thread (only a > TCP socket), but it does have the potential to tie up limited > resources. The value of 2 above is in milliseconds, so after a > connection is established, the server will wait up to 20 seconds > for a request to be received. I would not expect nowadays that any > client, on any type of connection, would take that long to send a > request on an established connection. So I would certainly not > make it larger, and you can probably reduce it significantly, and > save resources. +1 If a client doesn't send the request within about 5 seconds, I don't think it's going to send it at all. (Probably less than 5 seconds, honestly, but I've never bothered to collect the data on my servers to substantiate that assertion). - -chris -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.15 (Darwin) Comment: GPGTools - http://gpgtools.org Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQIcBAEBCAAGBQJSgPe8AAoJEBzwKT+lPKRYDH0QAMnXTmInl/aRqYQY8nONf16K 2Scj1Jk4r2X9fjRaGXnO9p5A3vmnrTnUEruaKBl1Jym8Y0nMFbPtSBsxXaKTfRBH uvIZAj0jyKkuS7oaXBGAjCkRP8ZGNWyHgjB/e+EBWg7dinAl3zfe6Ims4EBIUxc5 GL3fdbyX6uMhV7snMilYXT3OJcp8vPXDGTG6apOLoepfbMxCiBdYpV0MEKO6FEu1 v5lSoN5Clk3g1d9i7utxrfV/cegsABxRDxNpo56SrjdajVkfrOOzr9Wf1Qqy+bIe nxMcK+AT/V/SNxpHjQ07grK5lBMjqd/vA4AgKDCQGX+qgfoF+6q7lA6YAk6wP7M9 QrBEe9Vj7Q9TLNE+DhClh/BZV5WYcXjUq6q4PI+G0XJYxwYHNcEGEj/ror5+Rqdg af7iru3koQUFXqIHCblvjESmDsxLTmuI+Bh3NEZrm/VLdM2BiLAnnJQeILIhy2Ez YZPq1LlbQojYBGITgii72wD9eS1TR309quFT5YQXd1GsTbCUU2Z/uOxPAJ9BZDJF 6nZZLvdRh0sBptqtomzgaYMcSrVBbBanoRwWxE2Gwo2iKHkpnhkWlG1mdyLEjeNk Rq2+HzdEOHNPLXB9i528huvQKPP1BTPlUtuWd5d3aAVIb9yHoG5oesTsidPsXoLY scuBEQREmP7qMtaOSGq5 =tEDl -END PGP SIGNATURE- - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Re: Restrict the use of JDK classes Tomcat 7 or 6
Hello, I have been working with the Security Manager and I think it is a good aproximation of what I need, thank you very much for the advice. I have read that it is possible to create your own Permission class, but I haven't found any documentation or example. Could anybody tell me where I can find information about create a Permission class? Thank you very much. 2013/10/23 Caldarale, Charles R > > From: Christopher Schultz [mailto:ch...@christopherschultz.net] > > Subject: Re: Restrict the use of JDK classes Tomcat 7 or 6 > > > When you say "Java classes", are you talking about re-defining > > something like java.lang.String? If so, then the servlet spec (3.0: > > 10.7.2) prohibits web applications from loading classes from any of > > these packages from a web application class loader. > > java.* > > javax.* > > Looking at current trunk, Tomcat appears to take a lazy view and just > > look for these two classes: > > javax.servlet.Servlet > > javax.el.Expression > > So it looks like you might be able to redefine java.lang.String if you > > want. > > As I recall, the JVM itself prevents loading of java.* classes from > anywhere other than the registered JRE jar locations. Not sure about > javax.* classes. > > - Chuck > > > THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR OTHERWISE PROPRIETARY > MATERIAL and is thus for use only by the intended recipient. If you > received this in error, please contact the sender and delete the e-mail and > its attachments from all computers. > > > - > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > >
Re: Avoiding/Handling SocketTimeoutException(s) when web application serving resources to mobile clients
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256
Howard,
On 11/10/13, 9:25 AM, Howard W. Smith, Jr. wrote:
> On Sun, Nov 10, 2013 at 9:14 AM, Howard W. Smith, Jr. <
> smithh032...@gmail.com> wrote:
>
>> Caused by: java.net.SocketTimeoutException at
>> org.apache.tomcat.util.net.NioBlockingSelector.write(NioBlockingSelector.java:127)
>>
>>
at
>> org.apache.tomcat.util.net.NioSelectorPool.write(NioSelectorPool.java:174)
>>
>>
at
>> org.apache.coyote.http11.InternalNioOutputBuffer.writeToSocket(InternalNioOutputBuffer.java:163)
>>
>
>>
> my apologies, based on this exception (above), I decided to provide
> you with the following from my tomee/conf/server.xml:
>
>
> protocol="org.apache.coyote.http11.Http11NioProtocol"
> maxThreads="150" connectionTimeout="2" acceptorThreadCount="2"
> redirectPort="8443" socket.directBuffer="false"/>
>
>
> I guess the answer may be the connectionTimeout="..." (above), but
> still would like to know recommendations of others based on
> experience with web application serving mobile clients. thanks.
I might recommend using a Filter like this:
filter() {
try {
chain.doFilter();
} catch (SocketTimeoutException ste) {
application.log("Got STE for request " + request.getRequestURI()
+ with client " + request.getHeader("User-Agent"));
}
}
... or something like that. It might help uncover patterns in dropped
connections. Maybe Igor is right and the problem is some browser (e.g.
MSIE 8) and not necessarily mobile clients.
- -chris
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Re: Tomcat session with uncertain problem
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256
Jose,
On 11/11/13, 8:24 AM, Jose Irrazabal wrote:
> Thanks for the answer, then it can be when generating the session?
>
> I use a servlet to create the session with the code: *HttpSession
> session = request.getSession ();* Then I add the attributes:
> *session.setAttribute ("idUser" p_iduser);* *
> session.setAttribute ("username", p_username);* *
> session.setAttribute ("idrol" p_idrol);* And redirected to the page
> "principal.jsp" : *response.sendRedirect ("principal.jsp");* On
> page "principal.jsp", recovery attributes for display: *session =
> request.getSession (false);* * Id_user String = (String)
> session.getAttribute ("idUser");* * String username = (String)
> session.getAttribute ("username");* * Idrol String = (String)
> session.getAttribute ("idrol");*
Note that "session" should be an implicit variable in every page,
already set to the user's session. You should not have to call
request.getSession in your page at all.
> This is where the problem occurred, a user session captured the
> other user sesion, may then this used procedure is bad?
Usually this kind of thing happens because you have stored a reference
to a HttpServletRequest or HttpSession object somewhere you should not
have.
Can you:
a. Try to reproduce this issue with current Tomcat 7.0.47
b. Create a minimal, simple test WAR that demonstrates your problem
and post it somewhere
This is very unlikely to be a bug in Tomcat, but more likely a bug in
your own code.
- -chris
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Http url connection : server returned http response code 400
HI All,
I am getting server returned http response code 400 when i run below
code from my tomcat however it works fine when i run it in WAS whch has
proxy server settings.
URL url = new URL(reqUrl);
HttpURLConnection con = (HttpURLConnection)url.openConnection();
con.setDoOutput(true);
con.setRequestMethod(request.getMethod());
if(request.getContentType() != null) {
con.setRequestProperty("Content-Type", request.getContentType());
}
con.setRequestProperty("Referer", request.getHeader("Referer"));
int clength = request.getContentLength();
if(clength > 0) {
con.setDoInput(true);
InputStream istream = request.getInputStream();
OutputStream os = con.getOutputStream();
final int length = 5000;
byte[] bytes = new byte[length];
int bytesRead = 0;
while ((bytesRead = istream.read(bytes, 0, length)) > 0) {
os.write(bytes, 0, bytesRead);
}
}
else {
con.setRequestMethod("GET");
}
out.clear();
out = pageContext.pushBody();
OutputStream ostream = response.getOutputStream();
System.out.println(" finished getOUTputsteram");
response.setContentType(con.getContentType());
InputStream in = con.getInputStream();
final int length = 5000;
byte[] bytes = new byte[length];
int bytesRead = 0;
while ((bytesRead = in.read(bytes, 0, length)) > 0) {
ostream.write(bytes, 0, bytesRead);
}
--
*Thanks & Regards Vickyb*
Re: Avoiding/Handling SocketTimeoutException(s) when web application serving resources to mobile clients
On Mon, Nov 11, 2013 at 5:41 AM, André Warnier wrote: > Howard W. Smith, Jr. wrote: > >> On Sun, Nov 10, 2013 at 9:14 AM, Howard W. Smith, Jr. < >> smithh032...@gmail.com> wrote: >> >> Caused by: java.net.SocketTimeoutException >>> at >>> org.apache.tomcat.util.net.NioBlockingSelector.write( >>> NioBlockingSelector.java:127) >>> at >>> org.apache.tomcat.util.net.NioSelectorPool.write( >>> NioSelectorPool.java:174) >>> at >>> org.apache.coyote.http11.InternalNioOutputBuffer.writeToSocket( >>> InternalNioOutputBuffer.java:163) >>> >>> >> my apologies, based on this exception (above), I decided to provide you >> with the following from my tomee/conf/server.xml: >> >> >> > protocol="org.apache.coyote.http11.Http11NioProtocol" >>maxThreads="150" connectionTimeout="2" >> acceptorThreadCount="2" >>redirectPort="8443" socket.directBuffer="false"/> >> >> >> I guess the answer may be the connectionTimeout="..." (above), but still >> would like to know recommendations of others based on experience with web >> application serving mobile clients. thanks. >> >> > AFAIK, the "connectionTimeout" above applies specifically to this : > - the client opens a TCP connection to the server > - but then the client does not send any request over that connection > (so the server waits and waits, until that timeout strikes). > This is a classic way of doing a DoS attack : many clients connect and > don't send a request (or do it very slowly), tying up server resources > until the server is overwhelmed. > In some Connector configurations, this does not necessarily tie up a > Thread (only a TCP socket), but it does have the potential to tie up > limited resources. > The value of 2 above is in milliseconds, so after a connection is > established, the server will wait up to 20 seconds for a request to be > received. > I would not expect nowadays that any client, on any type of connection, > would take that long to send a request on an established connection. So I > would certainly not make it larger, and you can probably reduce it > significantly, and save resources. > > > Great, thank you! I left it as-is and given the situation (which I communicated earlier), I saw no need to increase the connectionTimeout value. Noted your recommendation about decreasing the value...for now. thanks again!
Re: Tomcat session with uncertain problem
With this code, you're not *creating* a session, you're retrieving the
session that the user has connected with (request.getSession()).
Usually this king issue occurs when the variable "session" is stored
with an inappropriate scope, so that it is accessible from more than one
class instance.
On 11/11/2013 8:24 AM, Jose Irrazabal wrote:
Thanks for the answer, then it can be when generating the session?
I use a servlet to create the session with the code:
*HttpSession session = request.getSession ();*
Then I add the attributes:
*session.setAttribute ("idUser" p_iduser);*
* session.setAttribute ("username", p_username);*
* session.setAttribute ("idrol" p_idrol);*
And redirected to the page "principal.jsp" :
*response.sendRedirect ("principal.jsp");*
On page "principal.jsp", recovery attributes for display:
*session = request.getSession (false);*
* Id_user String = (String) session.getAttribute ("idUser");*
* String username = (String) session.getAttribute ("username");*
* Idrol String = (String) session.getAttribute ("idrol");*
This is where the problem occurred, a user session captured the other user
sesion, may then this used procedure is bad?
thanks
2013/11/11 Mark Thomas
On 11/11/2013 11:54, Jose Irrazabal wrote:
Hi All,
I use Apache Tomcat/7.0.29 to deploy my applications, and I'm with a
problem of duplicated user session or something, as uncertain occurs
when a
user adquire a session takes of another user and I reported 3 cases of
this
type of security error.
Exactly what problem do you observe?
I need your help to know how the JSESSIONID is generated because I
suspect
that the error is when generated the session. Exemplo: *JSESSIONID*:
5DC89FC25D2CEC391A0EC1D3F07F0941
It is generated from a SecureRandom. That is not going to be the source
of the problem you are seeing.
Mark
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Re: Tomcat session with uncertain problem
Thanks for the answer, then it can be when generating the session?
I use a servlet to create the session with the code:
*HttpSession session = request.getSession ();*
Then I add the attributes:
*session.setAttribute ("idUser" p_iduser);*
* session.setAttribute ("username", p_username);*
* session.setAttribute ("idrol" p_idrol);*
And redirected to the page "principal.jsp" :
*response.sendRedirect ("principal.jsp");*
On page "principal.jsp", recovery attributes for display:
*session = request.getSession (false);*
* Id_user String = (String) session.getAttribute ("idUser");*
* String username = (String) session.getAttribute ("username");*
* Idrol String = (String) session.getAttribute ("idrol");*
This is where the problem occurred, a user session captured the other user
sesion, may then this used procedure is bad?
thanks
2013/11/11 Mark Thomas
> On 11/11/2013 11:54, Jose Irrazabal wrote:
> > Hi All,
> >
> > I use Apache Tomcat/7.0.29 to deploy my applications, and I'm with a
> > problem of duplicated user session or something, as uncertain occurs
> when a
> > user adquire a session takes of another user and I reported 3 cases of
> this
> > type of security error.
>
> Exactly what problem do you observe?
>
> > I need your help to know how the JSESSIONID is generated because I
> suspect
> > that the error is when generated the session. Exemplo: *JSESSIONID*:
> > 5DC89FC25D2CEC391A0EC1D3F07F0941
>
> It is generated from a SecureRandom. That is not going to be the source
> of the problem you are seeing.
>
> Mark
>
>
> -
> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org
> For additional commands, e-mail: users-h...@tomcat.apache.org
>
>
Re: Reg: Connection pool stats
On Nov 11, 2013, at 12:59 AM, Anu Prab wrote: > On Nov 7, 2013, at 11:58 PM, Anu Prab wrote: > I am using Tomcat 7.0.42 and Tomcat jdbc pool. >> >>> Just to be perfectly clear, how are you using this? With a >> tag in your Tomcat >configuration or are you creating the pool in your >> code? Either way, include the necessary >config or code which shows how >> you've defined the pool. >> >>> The pool configuration is in context.xml. A sample of the config looks > like >> this: >> >>> >> auth="Container" >>>type="javax.sql.DataSource" >>> fairQueue="true" >>>factory="" > >> What factory are you using? It's important to share. Without it we don't > know which pool you're using. > > A customized factory which extends org.apache.tomcat.jdbc.pool. > DataSourceFactory > Few minutes, not sure of the exact timing. Yes, all are 0. > >> Also, what happens when you try to get a connection after the pool count > has dropped to 0? >Does it get a new connection? Does it hang waiting? > Does it generate any error messages? > >> Is there any reason why you might be getting disconnected from the > database side or from a >firewall in between your application and the > database? > > I can still get newer connections even after the count drops to 0. > > > Hi, > > Also, when I enabled logAbandoned as you suggested, I see this exception > after about 17-18 minutes. > > org.apache.tomcat.jdbc.pool.ConnectionPool abandon > WARNING: Connection has been abandoned > PooledConnection[oracle.jdbc.driver.T4CConnection@2726965a > ]:java.lang.Exception >at > org.apache.tomcat.jdbc.pool.ConnectionPool.getThreadDump(ConnectionPool.java:1065) >at > org.apache.tomcat.jdbc.pool.ConnectionPool.createConnection(ConnectionPool.java:707) >at > org.apache.tomcat.jdbc.pool.ConnectionPool.borrowConnection(ConnectionPool.java:634) >at > org.apache.tomcat.jdbc.pool.ConnectionPool.getConnection(ConnectionPool.java:188) This explains the behavior that you're seeing. It appears that your connections are being flagged as abandoned and thus removed from the pool. Take a look at the generated stack trace and see what part of your code is holding onto the connection. This could be legitimate, in the case where you have a long running process (like a batch job) or it could be a code error (like you don't have proper try..catch..finally blocks setup to close connections). Dan > > -Anu - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Re: Tomcat session with uncertain problem
On 11/11/2013 11:54, Jose Irrazabal wrote: > Hi All, > > I use Apache Tomcat/7.0.29 to deploy my applications, and I'm with a > problem of duplicated user session or something, as uncertain occurs when a > user adquire a session takes of another user and I reported 3 cases of this > type of security error. Exactly what problem do you observe? > I need your help to know how the JSESSIONID is generated because I suspect > that the error is when generated the session. Exemplo: *JSESSIONID*: > 5DC89FC25D2CEC391A0EC1D3F07F0941 It is generated from a SecureRandom. That is not going to be the source of the problem you are seeing. Mark - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Tomcat session with uncertain problem
Hi All, I use Apache Tomcat/7.0.29 to deploy my applications, and I'm with a problem of duplicated user session or something, as uncertain occurs when a user adquire a session takes of another user and I reported 3 cases of this type of security error. I need your help to know how the JSESSIONID is generated because I suspect that the error is when generated the session. Exemplo: *JSESSIONID*: 5DC89FC25D2CEC391A0EC1D3F07F0941 I will appreciate any help. Thanking You!
Re: Getting Error the the Time of deploying .war file
Saurabh Saraswat wrote: Dear all, I am getting the "Connection was reset error" while deploying the .war file of my web application on the apache-tomcat server. I am deploying the file using Tomcat-Manager and its giving the above mentions error after uploading 50 %. What is the size of that file ? You may be hitting a maximum upload file size. ( -- maxPostSize) Can u please tell me the reason of this. This is the snapshot of error. Better : check the Tomcat logs. The error should be mentioned there too, probably with an explanation. [image: Inline image 1] This list strips most attachments, this one did not make it. I will appreciate any help. Thanking You! *Best Regards,* *Saurabh Sarasvat* - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Getting Error the the Time of deploying .war file
Dear all, I am getting the "Connection was reset error" while deploying the .war file of my web application on the apache-tomcat server. I am deploying the file using Tomcat-Manager and its giving the above mentions error after uploading 50 %. Can u please tell me the reason of this. This is the snapshot of error. [image: Inline image 1] I will appreciate any help. Thanking You! *Best Regards,* *Saurabh Sarasvat*
Re: Tomcat setting as a service after installing the binaries
Jojy George wrote: Hi Toni, Thanks for this info. I was able to download the files , but i am not sure what else needs to be done after that? i need to just copy the files to the bin folder? that's enough? is there anything else i need to do ? recreate the service with this additional options ? when you say "replace your tomcat6w.exe and tomcat6.exe respectively" what i need to do with these exe's ? is there any documentation which you can point me to that would be great. See here : http://wiki.apache.org/tomcat/FAQ/Windows#Q11 Thanks for your help ' Regards Jojy On Mon, Nov 11, 2013 at 3:16 PM, Antonio Vidal Ferrer < antonio.vi...@globalia-sistemas.com> wrote: It seems that you are using 32bits binaries in a 64 bits platform. Download 64 bits versions of tomcat6.exe and tomcat6w.exe, and replace them. For doing so, go here: http://commons.apache.org/proper/commons-daemon/download_daemon.cgi Select browse download area, then go to binaries, then select windows, and download file commons-daemon-1.0.15-bin-windows.zip Inside that zip file, you'll find prunmgr.exe and amd64/prunsrv.exe, replace your tomcat6w.exe and tomcat6.exe respectively, and restart service, it should start without further problem. Hope it works. Best, Toni. On 11/11/13 10:18, Jojy George wrote: HI All, I am trying to set and run tomcat as a service after installing it as binary instead using the windows installer. But i am not able to start it after setting it as service, it is giving the below exception when i am trying to start the tomcat service. Do anybody has got any idea why this error is coming and anybody has got any resolution for the same. [2013-11-11 14:42:44] [info] Service Tomcat6 name Apache Tomcat 6.0 Tomcat6 [2013-11-11 14:42:44] [info] Service Tomcat6 installed [2013-11-11 14:42:44] [info] Commons Daemon procrun finished. [2013-11-11 14:42:52] [info] Commons Daemon procrun (1.0.2.0) started [2013-11-11 14:42:52] [info] Debugging Service... [2013-11-11 14:42:52] [info] Starting service... [2013-11-11 14:42:52] [206 javajni.c] [error] %1 is not a valid Win32 application. [2013-11-11 14:42:52] [985 prunsrv.c] [error] Failed creating java C:\jdk1.7.0_15\jre\bin\server\jvm.dll [2013-11-11 14:42:52] [1280 prunsrv.c] [error] ServiceStart returned 1 [2013-11-11 14:42:52] [info] Debug service finished. [2013-11-11 14:42:52] [info] Commons Daemon procrun finished. [2013-11-11 14:43:05] [info] Commons Daemon procrun (1.0.2.0) started [2013-11-11 14:43:05] [info] Updating service... [2013-11-11 14:43:05] [info] Service Tomcat6 updated [2013-11-11 14:43:05] [info] Update service finished. [2013-11-11 14:43:05] [info] Commons Daemon procrun finished. [2013-11-11 14:43:12] [info] Commons Daemon procrun (1.0.2.0) started [2013-11-11 14:43:12] [info] Updating service... [2013-11-11 14:43:12] [info] Service Tomcat6 updated [2013-11-11 14:43:12] [info] Update service finished. [2013-11-11 14:43:12] [info] Commons Daemon procrun finished. [2013-11-11 14:43:20] [info] Commons Daemon procrun (1.0.2.0) started [2013-11-11 14:43:20] [info] Updating service... [2013-11-11 14:43:20] [info] Service Tomcat6 updated [2013-11-11 14:43:20] [info] Update service finished. [2013-11-11 14:43:20] [info] Commons Daemon procrun finished. [2013-11-11 14:43:29] [info] Commons Daemon procrun (1.0.2.0) started [2013-11-11 14:43:29] [info] Running Service... [2013-11-11 14:43:29] [info] Starting service... [2013-11-11 14:43:29] [206 javajni.c] [error] %1 is not a valid Win32 application. [2013-11-11 14:43:29] [985 prunsrv.c] [error] Failed creating java C:\jdk1.7.0_15\jre\bin\server\jvm.dll [2013-11-11 14:43:29] [1280 prunsrv.c] [error] ServiceStart returned 1 [2013-11-11 14:43:29] [info] Run service finished. [2013-11-11 14:43:29] [info] Commons Daemon procrun finished. Thanks Jojy - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Re: Avoiding/Handling SocketTimeoutException(s) when web application serving resources to mobile clients
Howard W. Smith, Jr. wrote: On Sun, Nov 10, 2013 at 9:14 AM, Howard W. Smith, Jr. < smithh032...@gmail.com> wrote: Caused by: java.net.SocketTimeoutException at org.apache.tomcat.util.net.NioBlockingSelector.write(NioBlockingSelector.java:127) at org.apache.tomcat.util.net.NioSelectorPool.write(NioSelectorPool.java:174) at org.apache.coyote.http11.InternalNioOutputBuffer.writeToSocket(InternalNioOutputBuffer.java:163) my apologies, based on this exception (above), I decided to provide you with the following from my tomee/conf/server.xml: I guess the answer may be the connectionTimeout="..." (above), but still would like to know recommendations of others based on experience with web application serving mobile clients. thanks. AFAIK, the "connectionTimeout" above applies specifically to this : - the client opens a TCP connection to the server - but then the client does not send any request over that connection (so the server waits and waits, until that timeout strikes). This is a classic way of doing a DoS attack : many clients connect and don't send a request (or do it very slowly), tying up server resources until the server is overwhelmed. In some Connector configurations, this does not necessarily tie up a Thread (only a TCP socket), but it does have the potential to tie up limited resources. The value of 2 above is in milliseconds, so after a connection is established, the server will wait up to 20 seconds for a request to be received. I would not expect nowadays that any client, on any type of connection, would take that long to send a request on an established connection. So I would certainly not make it larger, and you can probably reduce it significantly, and save resources. - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Re: Tomcat setting as a service after installing the binaries
Hi, I just checked and found out that it was problem with the wrong jdk version. it was using 32 bit instead of 64 bit and i installed the 64 bit and that fixed the issue. Thanks for your help. Regards Jojy R On Mon, Nov 11, 2013 at 3:35 PM, Jojy George wrote: > Hi Toni, > > Thanks for this info. > > I was able to download the files , but i am not sure what else needs to be > done after that? i need to just copy the files to the bin folder? that's > enough? is there anything else i need to do ? recreate the service with > this additional options ? when you say "replace your tomcat6w.exe and > tomcat6.exe respectively" what i need to do with these exe's ? > > is there any documentation which you can point me to that would be great. > > Thanks for your help > ' > Regards > Jojy > > > On Mon, Nov 11, 2013 at 3:16 PM, Antonio Vidal Ferrer < > antonio.vi...@globalia-sistemas.com> wrote: > >> It seems that you are using 32bits binaries in a 64 bits platform. >> Download 64 bits versions of tomcat6.exe and tomcat6w.exe, and replace them. >> >> For doing so, go here: >> >> http://commons.apache.org/proper/commons-daemon/download_daemon.cgi >> >> Select browse download area, then go to binaries, then select windows, >> and download file commons-daemon-1.0.15-bin-windows.zip >> >> Inside that zip file, you'll find prunmgr.exe and amd64/prunsrv.exe, >> replace your tomcat6w.exe and tomcat6.exe respectively, and restart >> service, it should start without further problem. >> >> Hope it works. >> >> Best, >> >> Toni. >> On 11/11/13 10:18, Jojy George wrote: >> >> >> HI All, >>> >>> I am trying to set and run tomcat as a service after installing it as >>> binary instead using the windows installer. But i am not able to start it >>> after setting it as service, it is giving the below exception when i am >>> trying to start the tomcat service. >>> >>> Do anybody has got any idea why this error is coming and anybody has got >>> any resolution for the same. >>> >>> >>> >>> >>> [2013-11-11 14:42:44] [info] Service Tomcat6 name Apache Tomcat 6.0 >>> Tomcat6 >>> [2013-11-11 14:42:44] [info] Service Tomcat6 installed >>> [2013-11-11 14:42:44] [info] Commons Daemon procrun finished. >>> [2013-11-11 14:42:52] [info] Commons Daemon procrun (1.0.2.0) started >>> [2013-11-11 14:42:52] [info] Debugging Service... >>> [2013-11-11 14:42:52] [info] Starting service... >>> [2013-11-11 14:42:52] [206 javajni.c] [error] %1 is not a valid Win32 >>> application. >>> [2013-11-11 14:42:52] [985 prunsrv.c] [error] Failed creating java >>> C:\jdk1.7.0_15\jre\bin\server\jvm.dll >>> [2013-11-11 14:42:52] [1280 prunsrv.c] [error] ServiceStart returned 1 >>> [2013-11-11 14:42:52] [info] Debug service finished. >>> [2013-11-11 14:42:52] [info] Commons Daemon procrun finished. >>> [2013-11-11 14:43:05] [info] Commons Daemon procrun (1.0.2.0) started >>> [2013-11-11 14:43:05] [info] Updating service... >>> [2013-11-11 14:43:05] [info] Service Tomcat6 updated >>> [2013-11-11 14:43:05] [info] Update service finished. >>> [2013-11-11 14:43:05] [info] Commons Daemon procrun finished. >>> [2013-11-11 14:43:12] [info] Commons Daemon procrun (1.0.2.0) started >>> [2013-11-11 14:43:12] [info] Updating service... >>> [2013-11-11 14:43:12] [info] Service Tomcat6 updated >>> [2013-11-11 14:43:12] [info] Update service finished. >>> [2013-11-11 14:43:12] [info] Commons Daemon procrun finished. >>> [2013-11-11 14:43:20] [info] Commons Daemon procrun (1.0.2.0) started >>> [2013-11-11 14:43:20] [info] Updating service... >>> [2013-11-11 14:43:20] [info] Service Tomcat6 updated >>> [2013-11-11 14:43:20] [info] Update service finished. >>> [2013-11-11 14:43:20] [info] Commons Daemon procrun finished. >>> [2013-11-11 14:43:29] [info] Commons Daemon procrun (1.0.2.0) started >>> [2013-11-11 14:43:29] [info] Running Service... >>> [2013-11-11 14:43:29] [info] Starting service... >>> [2013-11-11 14:43:29] [206 javajni.c] [error] %1 is not a valid Win32 >>> application. >>> [2013-11-11 14:43:29] [985 prunsrv.c] [error] Failed creating java >>> C:\jdk1.7.0_15\jre\bin\server\jvm.dll >>> [2013-11-11 14:43:29] [1280 prunsrv.c] [error] ServiceStart returned 1 >>> [2013-11-11 14:43:29] [info] Run service finished. >>> [2013-11-11 14:43:29] [info] Commons Daemon procrun finished. >>> >>> >>> Thanks >>> Jojy >>> >>> >>> >> >> - >> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org >> For additional commands, e-mail: users-h...@tomcat.apache.org >> >> >
Re: Tomcat setting as a service after installing the binaries
Hi Toni, Thanks for this info. I was able to download the files , but i am not sure what else needs to be done after that? i need to just copy the files to the bin folder? that's enough? is there anything else i need to do ? recreate the service with this additional options ? when you say "replace your tomcat6w.exe and tomcat6.exe respectively" what i need to do with these exe's ? is there any documentation which you can point me to that would be great. Thanks for your help ' Regards Jojy On Mon, Nov 11, 2013 at 3:16 PM, Antonio Vidal Ferrer < antonio.vi...@globalia-sistemas.com> wrote: > It seems that you are using 32bits binaries in a 64 bits platform. > Download 64 bits versions of tomcat6.exe and tomcat6w.exe, and replace them. > > For doing so, go here: > > http://commons.apache.org/proper/commons-daemon/download_daemon.cgi > > Select browse download area, then go to binaries, then select windows, and > download file commons-daemon-1.0.15-bin-windows.zip > > Inside that zip file, you'll find prunmgr.exe and amd64/prunsrv.exe, > replace your tomcat6w.exe and tomcat6.exe respectively, and restart > service, it should start without further problem. > > Hope it works. > > Best, > > Toni. > On 11/11/13 10:18, Jojy George wrote: > > > HI All, >> >> I am trying to set and run tomcat as a service after installing it as >> binary instead using the windows installer. But i am not able to start it >> after setting it as service, it is giving the below exception when i am >> trying to start the tomcat service. >> >> Do anybody has got any idea why this error is coming and anybody has got >> any resolution for the same. >> >> >> >> >> [2013-11-11 14:42:44] [info] Service Tomcat6 name Apache Tomcat 6.0 >> Tomcat6 >> [2013-11-11 14:42:44] [info] Service Tomcat6 installed >> [2013-11-11 14:42:44] [info] Commons Daemon procrun finished. >> [2013-11-11 14:42:52] [info] Commons Daemon procrun (1.0.2.0) started >> [2013-11-11 14:42:52] [info] Debugging Service... >> [2013-11-11 14:42:52] [info] Starting service... >> [2013-11-11 14:42:52] [206 javajni.c] [error] %1 is not a valid Win32 >> application. >> [2013-11-11 14:42:52] [985 prunsrv.c] [error] Failed creating java >> C:\jdk1.7.0_15\jre\bin\server\jvm.dll >> [2013-11-11 14:42:52] [1280 prunsrv.c] [error] ServiceStart returned 1 >> [2013-11-11 14:42:52] [info] Debug service finished. >> [2013-11-11 14:42:52] [info] Commons Daemon procrun finished. >> [2013-11-11 14:43:05] [info] Commons Daemon procrun (1.0.2.0) started >> [2013-11-11 14:43:05] [info] Updating service... >> [2013-11-11 14:43:05] [info] Service Tomcat6 updated >> [2013-11-11 14:43:05] [info] Update service finished. >> [2013-11-11 14:43:05] [info] Commons Daemon procrun finished. >> [2013-11-11 14:43:12] [info] Commons Daemon procrun (1.0.2.0) started >> [2013-11-11 14:43:12] [info] Updating service... >> [2013-11-11 14:43:12] [info] Service Tomcat6 updated >> [2013-11-11 14:43:12] [info] Update service finished. >> [2013-11-11 14:43:12] [info] Commons Daemon procrun finished. >> [2013-11-11 14:43:20] [info] Commons Daemon procrun (1.0.2.0) started >> [2013-11-11 14:43:20] [info] Updating service... >> [2013-11-11 14:43:20] [info] Service Tomcat6 updated >> [2013-11-11 14:43:20] [info] Update service finished. >> [2013-11-11 14:43:20] [info] Commons Daemon procrun finished. >> [2013-11-11 14:43:29] [info] Commons Daemon procrun (1.0.2.0) started >> [2013-11-11 14:43:29] [info] Running Service... >> [2013-11-11 14:43:29] [info] Starting service... >> [2013-11-11 14:43:29] [206 javajni.c] [error] %1 is not a valid Win32 >> application. >> [2013-11-11 14:43:29] [985 prunsrv.c] [error] Failed creating java >> C:\jdk1.7.0_15\jre\bin\server\jvm.dll >> [2013-11-11 14:43:29] [1280 prunsrv.c] [error] ServiceStart returned 1 >> [2013-11-11 14:43:29] [info] Run service finished. >> [2013-11-11 14:43:29] [info] Commons Daemon procrun finished. >> >> >> Thanks >> Jojy >> >> >> > > - > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > >
Re: Tomcat setting as a service after installing the binaries
It seems that you are using 32bits binaries in a 64 bits platform. Download 64 bits versions of tomcat6.exe and tomcat6w.exe, and replace them. For doing so, go here: http://commons.apache.org/proper/commons-daemon/download_daemon.cgi Select browse download area, then go to binaries, then select windows, and download file commons-daemon-1.0.15-bin-windows.zip Inside that zip file, you'll find prunmgr.exe and amd64/prunsrv.exe, replace your tomcat6w.exe and tomcat6.exe respectively, and restart service, it should start without further problem. Hope it works. Best, Toni. On 11/11/13 10:18, Jojy George wrote: HI All, I am trying to set and run tomcat as a service after installing it as binary instead using the windows installer. But i am not able to start it after setting it as service, it is giving the below exception when i am trying to start the tomcat service. Do anybody has got any idea why this error is coming and anybody has got any resolution for the same. [2013-11-11 14:42:44] [info] Service Tomcat6 name Apache Tomcat 6.0 Tomcat6 [2013-11-11 14:42:44] [info] Service Tomcat6 installed [2013-11-11 14:42:44] [info] Commons Daemon procrun finished. [2013-11-11 14:42:52] [info] Commons Daemon procrun (1.0.2.0) started [2013-11-11 14:42:52] [info] Debugging Service... [2013-11-11 14:42:52] [info] Starting service... [2013-11-11 14:42:52] [206 javajni.c] [error] %1 is not a valid Win32 application. [2013-11-11 14:42:52] [985 prunsrv.c] [error] Failed creating java C:\jdk1.7.0_15\jre\bin\server\jvm.dll [2013-11-11 14:42:52] [1280 prunsrv.c] [error] ServiceStart returned 1 [2013-11-11 14:42:52] [info] Debug service finished. [2013-11-11 14:42:52] [info] Commons Daemon procrun finished. [2013-11-11 14:43:05] [info] Commons Daemon procrun (1.0.2.0) started [2013-11-11 14:43:05] [info] Updating service... [2013-11-11 14:43:05] [info] Service Tomcat6 updated [2013-11-11 14:43:05] [info] Update service finished. [2013-11-11 14:43:05] [info] Commons Daemon procrun finished. [2013-11-11 14:43:12] [info] Commons Daemon procrun (1.0.2.0) started [2013-11-11 14:43:12] [info] Updating service... [2013-11-11 14:43:12] [info] Service Tomcat6 updated [2013-11-11 14:43:12] [info] Update service finished. [2013-11-11 14:43:12] [info] Commons Daemon procrun finished. [2013-11-11 14:43:20] [info] Commons Daemon procrun (1.0.2.0) started [2013-11-11 14:43:20] [info] Updating service... [2013-11-11 14:43:20] [info] Service Tomcat6 updated [2013-11-11 14:43:20] [info] Update service finished. [2013-11-11 14:43:20] [info] Commons Daemon procrun finished. [2013-11-11 14:43:29] [info] Commons Daemon procrun (1.0.2.0) started [2013-11-11 14:43:29] [info] Running Service... [2013-11-11 14:43:29] [info] Starting service... [2013-11-11 14:43:29] [206 javajni.c] [error] %1 is not a valid Win32 application. [2013-11-11 14:43:29] [985 prunsrv.c] [error] Failed creating java C:\jdk1.7.0_15\jre\bin\server\jvm.dll [2013-11-11 14:43:29] [1280 prunsrv.c] [error] ServiceStart returned 1 [2013-11-11 14:43:29] [info] Run service finished. [2013-11-11 14:43:29] [info] Commons Daemon procrun finished. Thanks Jojy - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Re: Tomcat setting as a service after installing the binaries
It seems that you are using 32bits binaries in a 64 bits platform. Download 64 bits versions of tomcat6.exe and tomcat6w.exe, and replace them. For doing so, go here: http://commons.apache.org/proper/commons-daemon/download_daemon.cgi Select browse download area, then go to binaries, then select windows, and download file commons-daemon-1.0.15-bin-windows.zip Inside that zip file, you'll find prunmgr.exe and amd64/prunsrv.exe, replace your tomcat6w.exe and tomcat6.exe respectively, and restart service, it should start without further problem. Hope it works. Best, Toni. On 11/11/13 10:18, Jojy George wrote: %1 is not a valid Win32
Tomcat setting as a service after installing the binaries
HI All, I am trying to set and run tomcat as a service after installing it as binary instead using the windows installer. But i am not able to start it after setting it as service, it is giving the below exception when i am trying to start the tomcat service. Do anybody has got any idea why this error is coming and anybody has got any resolution for the same. [2013-11-11 14:42:44] [info] Service Tomcat6 name Apache Tomcat 6.0 Tomcat6 [2013-11-11 14:42:44] [info] Service Tomcat6 installed [2013-11-11 14:42:44] [info] Commons Daemon procrun finished. [2013-11-11 14:42:52] [info] Commons Daemon procrun (1.0.2.0) started [2013-11-11 14:42:52] [info] Debugging Service... [2013-11-11 14:42:52] [info] Starting service... [2013-11-11 14:42:52] [206 javajni.c] [error] %1 is not a valid Win32 application. [2013-11-11 14:42:52] [985 prunsrv.c] [error] Failed creating java C:\jdk1.7.0_15\jre\bin\server\jvm.dll [2013-11-11 14:42:52] [1280 prunsrv.c] [error] ServiceStart returned 1 [2013-11-11 14:42:52] [info] Debug service finished. [2013-11-11 14:42:52] [info] Commons Daemon procrun finished. [2013-11-11 14:43:05] [info] Commons Daemon procrun (1.0.2.0) started [2013-11-11 14:43:05] [info] Updating service... [2013-11-11 14:43:05] [info] Service Tomcat6 updated [2013-11-11 14:43:05] [info] Update service finished. [2013-11-11 14:43:05] [info] Commons Daemon procrun finished. [2013-11-11 14:43:12] [info] Commons Daemon procrun (1.0.2.0) started [2013-11-11 14:43:12] [info] Updating service... [2013-11-11 14:43:12] [info] Service Tomcat6 updated [2013-11-11 14:43:12] [info] Update service finished. [2013-11-11 14:43:12] [info] Commons Daemon procrun finished. [2013-11-11 14:43:20] [info] Commons Daemon procrun (1.0.2.0) started [2013-11-11 14:43:20] [info] Updating service... [2013-11-11 14:43:20] [info] Service Tomcat6 updated [2013-11-11 14:43:20] [info] Update service finished. [2013-11-11 14:43:20] [info] Commons Daemon procrun finished. [2013-11-11 14:43:29] [info] Commons Daemon procrun (1.0.2.0) started [2013-11-11 14:43:29] [info] Running Service... [2013-11-11 14:43:29] [info] Starting service... [2013-11-11 14:43:29] [206 javajni.c] [error] %1 is not a valid Win32 application. [2013-11-11 14:43:29] [985 prunsrv.c] [error] Failed creating java C:\jdk1.7.0_15\jre\bin\server\jvm.dll [2013-11-11 14:43:29] [1280 prunsrv.c] [error] ServiceStart returned 1 [2013-11-11 14:43:29] [info] Run service finished. [2013-11-11 14:43:29] [info] Commons Daemon procrun finished. Thanks Jojy
Re: @ServerEndpoint Guice
Nick,
Thank you once again. In a servlet injector can be accessed through
getServletContext.getAttribute("Injector")
As you said, I had to implement static method that returns instance of
injector and use it in my EndpointConfiguration to instantiate
ServerEndpoint. This is what I have done:
// The listener installs Guice modules through GuiceServletConfigFactory
public class GuiceServletConfig extends GuiceServletContextListener {
@Overrideprotected Injector getInjector() {return
GuiceServletConfigFactory.getInjector();}}
// GuiceServletConfigFactory has static method that returns instance of
injector
public class GuiceServletConfigFactory {private static final
Injector injector = Guice.createInjector(new
ServerModule(), new DispatchServletModule());public static
Injector getInjector() {return injector;}}
// ServerEndpoint uses WsEndpointConfiguration to instantiate it
@ServerEndpoint(value = "/wsendpoint", configurator =
WsEndpointConfigurator.class, decoders =
JsonRPCRequestDecoder.class)public class WsEndpoint { ... }
// WsEndpointConfiguration can access injector and use it to instantiate
ServerEndpoint class
public class WsEndpointConfigurator extends Configurator {
@Overridepublic T getEndpointInstance(Class endpointClass)
throws InstantiationException {return (T)
GuiceServletConfigFactory.getInjector().getInstance(
endpointClass);}}
The full source code: https://bitbucket.org/markosankovic/wsgwtp
On 7 November 2013 16:44, Nick Williams wrote:
>
> On Nov 6, 2013, at 4:24 PM, Marko Sanković wrote:
>
> > Nick, thanks for your quick response.
> >
> > Unfortunately, specifying javax.websocket.server.ServerEndpointConfig.
> > Configurator is still not enough. This is what I have tried so far:
> >
> > @ServerEndpoint(value = "/wsendpoint", configurator =
> > WsEndpointConfigurator.class)
> > public class WsEndpoint {
> >@Inject
> >InjectedSimpleBean injectedSimpleBean;
> >...
> > }
> >
> > and the WsEndpointConfigurator.java:
> >
> > public class WsEndpointConfigurator extends Configurator {
> >
> >@Inject
> >Injector injector;
> >
> >@Override
> >public T getEndpointInstance(Class endpointClass)
> >throws InstantiationException {
> >return (T) injector.getInstance(endpointClass);
> >}
> > }
> >
> > As expected attribute injector is null. To my understanding configurator
> > has to be instantiated through guice, same for the class that
> instantiates
> > configurator (ServerEndpointConfig). How can I do that?
> >
> > Tyrus has the sample of what I really need:
> > https://tyrus.java.net/documentation/1.3/user-guide.html#d0e1075. In my
> > case, I have to achieve that with Google Guice and Tomcat 7.0.47.
> >
> > Thanks
>
> Marko,
>
> Guice is not going to be able to instantiate your WsEndpointConfigurator,
> so you cannot have your Injector injected. The same problem exists with
> Spring's SpringConfigurator. The container, not the framework, instantiates
> it. The solution is to call some static method to "look up" the injector.
> For SpringConfigurator, that means calling
> ContextLoader.getCurrentWebApplicationContext() and using the returned
> ApplicationContext to instantiate the endpoint. I do not know what the
> equivalent is in Guice because I have never used Guice before. However, I'm
> sure Guice has something similar. It wouldn't be very flexible if it didn't.
>
> Nick
>
> >
> > On 6 November 2013 16:23, Nick Williams >wrote:
> >
> >>
> >> On Nov 6, 2013, at 7:55 AM, Marko Sanković wrote:
> >>
> >>> Hi,
> >>>
> >>> For the last couple of hours I've been trying to inject a simple object
> >>> into the class that is @ServerEndpoint annotated.
> >>>
> >>> As stated: Tomcat implements the Java WebSocket 1.0 API defined by
> >> JSR-356.
> >>>
> >>> I'm using Guice as dependency injection framework and Tomcat 7.0.47.
> >>>
> >>> This is how my websocket server endpoint looks like:
> >>>
> >>> ...
> >>> import com.google.inject.Inject;
> >>> ...
> >>> @ServerEndpoint("/wsendpoint")
> >>> public class WsEndpoint {
> >>>
> >>> @Inject
> >>> InjectedSimpleBean injectedSimpleBean;
> >>>
> >>> ...
> >>> }
> >>>
> >>> I can connect to this endpoint, send and receive messages, but
> >>> injectedSimpleBean attribute is null (as expected).
> >>>
> >>> I guess I will have to change the
> >>> way
> >>
> java/org/apache/tomcat/websocket/server/DefaultServerEndpointConfigurator.java
> >>> instantiates endpoint class, the getEndpointInstace method will have to
> >>> call something like:
> >>>
> >>> injector.getInstance(clazz);
> >>>
> >>> but, then again the DefaultServerEndpointConfiguration will also have
> be
> >>> instantiated by the injector.
> >>>
> >>> Any help would be appreciated. Thanks
> >>
> >> Changing the Tomcat-specific class won't be necessary. You can do this
> >> with just the API. In your @ServerEndpoint annotation, you need to
> specify
> >> a d
