13 Replies Latest reply on May 9, 2013 5:34 PM by jaizen

3.3.2 SR1 strange requests URLs containing null

michaelwiller Jul 21, 2010 8:13 AM

hi,

Sorry to bother you with this - but our project is in trouble.

For some time we've seen some strange behavior in our application. The pages seem to loose some styling (font looks strange) and error-messages start being logged. Then nothing works

Here's one of the errors:

[][2010-07-21 11:17:39,765][WARN ] EXCEPTION_HEADERS:
    javax.servlet.error.request_uri: /fos/a4j/g/3_3_2.SR1org/richfaces/renderkit/html/scripts/jquery.hotkeys.jsnull
    javax.servlet.error.servlet_name: null
    javax.servlet.error.status_code: 404
    javax.servlet.error.exception_type: null
    javax.servlet.error.message: <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Draft//EN">

As you can see the URL has a "null" suffix. We see this on several URLs. All of them accessing a4j/*/3_3_2.SR1*

The only way to fix it is to restart the server. With 70 users in production this is currently done 6 times daily. So we're getting pretty desparate.

It could be Richfaces (which is why I'm posting here) or Facelets. Some strange bug in Weblogic. We have no idea. We've tried several fixes during the last 6 months. Upgrading libraries, adding Listeners to Session and where-ever we can think of to detect the problem.

And ... naturally ... we can't reproduce this in development or system test environments.

Our current setup is:

         <dependency>
                <groupId>com.sun.jsf</groupId>
                <version>1.2.13</version>
                <artifactId>jsf-api</artifactId>
            </dependency>
            <dependency>
                <groupId>com.sun.jsf</groupId>
                <version>1.2.13</version>
                <artifactId>jsf-impl</artifactId>
            </dependency>
            <dependency>
                <groupId>com.sun.jsf</groupId>
                <version>1.1</version>
                <artifactId>el-api</artifactId>
            </dependency>
            <dependency>
                <groupId>com.sun.jsf</groupId>
                <version>1.1</version>
                <artifactId>el-impl</artifactId>
            </dependency>
            <dependency>
                <groupId>com.sun.jsf</groupId>
                <version>1.2</version>
                <artifactId>jstl-api</artifactId>
            </dependency>
            <dependency>
                <groupId>com.sun.jsf</groupId>
                <version>1.2</version>
                <artifactId>jstl-impl</artifactId>
            </dependency>
            <dependency>
                <groupId>com.sun.jsf</groupId>
                <version>1.1.15-jsf1.2</version>
                <artifactId>jsf-facelets</artifactId>
            </dependency>

            <dependency>
                <groupId>org.richfaces.ui</groupId>
                <version>3.3.2.SR1</version>
                <artifactId>richfaces-ui</artifactId>
            </dependency>

Does anyone have an idea where this error originates?

Please note: I'm trying to attach blame anywhere. It's just that we've run out of ideas.

Any ideas/suggestions are welcome.

Thank you for your time.

/ Michael

web.xml 25.3 KB

1. Re: 3.3.2 SR1 strange requests URLs containing null

ilya_shaikovsky Jul 21, 2010 8:11 AM (in response to michaelwiller)

post web.xml please
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2. Re: 3.3.2 SR1 strange requests URLs containing null

michaelwiller Jul 21, 2010 8:14 AM (in response to ilya_shaikovsky)

web.xml added to original post.
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3. Re: 3.3.2 SR1 strange requests URLs containing null

ilya_shaikovsky Jul 21, 2010 8:59 AM (in response to michaelwiller)

from the very beggining need to mention bunch of filters defined. There are comon problems related to the fact that RF filter should be first in chain. (and that could not be made just by putting it above the other in web.xml the mappings type also make difference - url mapped - called before mapped to servlet)
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4. Re: 3.3.2 SR1 strange requests URLs containing null

michaelwiller Jul 21, 2010 3:58 PM (in response to ilya_shaikovsky)

Thanks Ilya,

So your advice is to remove all filters except RichFaces?
I believe we can reconfigure for that - well, I hope so.

I'll get back to you on progress.

I'll start this tomorrow (past 21:00 here).

Later.
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5. Re: 3.3.2 SR1 strange requests URLs containing null

ilya_shaikovsky Jul 22, 2010 4:28 AM (in response to michaelwiller)

I do not sure that RF could go with statements like "remove all the stuff except our filter ".. he he.. just reconfigure them in order to have RichFaces one called fitrst in chain
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6. Re: 3.3.2 SR1 strange requests URLs containing null

michaelwiller Jul 22, 2010 5:11 AM (in response to ilya_shaikovsky)

At the risk of being a noob :

Our current filter setup is like this now:

    <filter>
        <display-name>RichFaces Filter</display-name>
        <filter-name>richfaces</filter-name>
        <filter-class>org.ajax4jsf.Filter</filter-class>
    </filter>
    <filter-mapping>
        <filter-name>richfaces</filter-name>
        <servlet-name>FacesServlet</servlet-name>
        <dispatcher>REQUEST</dispatcher>
        <dispatcher>FORWARD</dispatcher>
        <dispatcher>INCLUDE</dispatcher>
    </filter-mapping>
    <filter>
        <display-name>SessionIdAccessorFilter</display-name>
        <filter-name>SessionIdAccessorFilter</filter-name>
        <filter-class>dk.post.fos.web.util.jsf.SessionIdAccessorFilter</filter-class>
    </filter>
    <filter-mapping>
        <filter-name>SessionIdAccessorFilter</filter-name>
        <url-pattern>*</url-pattern>
    </filter-mapping>

When we push the server (sending a lot of concurrent requests) it fails.

So the filter chain must still be wrong.

Is the solution to add

<url-mapping>*</url-mapping>

to the RichFaces filter???

This is not the way the "manual" says it should look...
The SessionIdAccessorFilter does is save userId in ThreadLocal - for later use in EJB-call to Tuxedo.
Removing it will be a lot of work since we have many Tuxedo calls and all will need to be rewritten.
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7. Re: 3.3.2 SR1 strange requests URLs containing null

michaelwiller Jul 22, 2010 6:37 AM (in response to ilya_shaikovsky)

I've removed all filters except RichFaces now.

The error is still there.

I'll try to upgrade to 3.3.3.Final.
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8. Re: 3.3.2 SR1 strange requests URLs containing null

michaelwiller Jul 27, 2010 3:02 AM (in response to michaelwiller)

Hmm, that just gave me an infinite loop at deploy.

Sad to say, but it seems we have to drop Richfaces from the application if a solution is not found. Soon ...
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9. Re: 3.3.2 SR1 strange requests URLs containing null

nbelaevski Jul 27, 2010 6:32 AM (in response to michaelwiller)

Please try the following:

1) Set:

<filter-mapping>
        <filter-name>richfaces</filter-name>
        <servlet-name>FacesServlet</servlet-name>
        <dispatcher>REQUEST</dispatcher>
        <dispatcher>FORWARD</dispatcher>
        <dispatcher>INCLUDE</dispatcher>
     <dispatcher>ERROR</dispatcher>
    </filter-mapping>

2) Check rendered HTML page - are invalid URIs present there or not?
3) Try removing all security constraints in web.xml

What is WL version?
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10. Re: 3.3.2 SR1 strange requests URLs containing null

michaelwiller Jul 28, 2010 6:54 AM (in response to nbelaevski)

My collegue has just upgraded to Weblogic 10.3.3, which seems to solve the problem - although we can't be certain yet.

I'll update as soon as new information comes in.
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11. Re: 3.3.2 SR1 strange requests URLs containing null

jaizen May 9, 2013 3:51 PM (in response to michaelwiller)

Michael, Did you experience these errors after you upgraded to weblogic 10.3.3? If not, was this issue ever solved for you?
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12. Re: 3.3.2 SR1 strange requests URLs containing null

michaelwiller.jboss May 9, 2013 4:17 PM (in response to jaizen)

Almost three years ago...

First of all I'm sorry, I didn't post in this one later. I no longer work where this issue was raised.

Anyway, yes. I remember that the upgrade solved this problem.
The problem occured on a project where we tried to roll in an early version of Seam. I do not remember if this issue was directly related to Seam, though.

I do however remember that the problem was solved and that we delived an intranet site using RichFaces some months afterwards.

Thank you all for helping. Again sorry I didn't post an update.

(This is posted on a new account - I had to reregister in order for me to reply)
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13. Re: 3.3.2 SR1 strange requests URLs containing null

jaizen May 9, 2013 5:34 PM (in response to michaelwiller.jboss)

Michael, thank you for taking the time to reply!
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