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From "Vincent Massol" <vmas...@octo.com>
Subject Re: error ?
Date Wed, 14 Nov 2001 21:22:52 GMT
I have uipdated the faq. Thanks
-Vincent

----- Original Message -----
From: "Nicholas Lesiecki" <nick@eblox.com>
To: "Cactus Users List" <cactus-user@jakarta.apache.org>
Sent: Wednesday, November 14, 2001 4:04 PM
Subject: RE: error ?


> --This will get into the FAQ sometime soon...
>
> This exception results when client-side Cactus code
> attempts to talk to a misconfigured installation of Cactus
> on the server side. The reason for the obscure exception is
> this: Cactus makes two requests to the server. In the
> first, the client-side test runner requests that
> such-and-such a test be run on the server (an
> oversimplification, please see: XXXX). Immediately after
> the response from the server the client code makes a second
> request, this time for the results of the server-side test.
> Cactus is supposed to send back a serialized Object
> containing the results. Cactus then attempts to deserialize
> this Object from the input stream in the response. If
> Cactus is installed properly on the server, this process
> works transparently. If not (for instance the second
> request does not even arrive at a Cactus redirector) then
> the response to the second request (which very well may be
> a 404 or 500 error) will not contain the object that
> client-cactus expects. This leads to the
> StreamCorruptedException.
>
> When troubleshooting this error, the most likely prospect
> is that the requests from client-Cactus are not even
> reaching server-Cactus. This can happen when the
> cactus.properties contains a bad entry. For instance, I
> have run into this problem when building several different
> testing-applications. I tried to run my tests against
> http://localhost/webapp1/ServletRedirector/ when I needed
> to be running against
> http://localhost/webapp2/ServletRedirector/. This can also
> happen if your web.xml file contains an error, or does not
> properly map the URLs contained in cactus.properties to the
> Cactus redirectors.
>
> A good way to check whether your requests are reaching a
> Cactus redirector is to manually enter in the URLs for all
> of the redirectors you use into the navigation bar of your
> web-browser. If the URL yields a 500 error and you get a
> stack trace (in the log or along with your error page that)
> says Missing service name parameter [] in HTTP request.
> then that particular URL is probably pointing to a valid
> server-side Cactus install.
>
> Another likely error is that your server-side classpath
> does not contain a copy of the cactus.jar. (Cactus is
> effectively not present on the server.) According to
> e-mails on the Cactus user list, the
> StreamCorruptedException could also result when you are
> using the wrong version of the servlet.jar in some area
> (any version prior to 2.2, or using servlet.jar 2.2 with a
> Cactus-2.3 installation).
>
> Cactus 1.3 should trap or avoid this exception and provide
> a clearer message about the likely causes.
>
> -----Original Message-----
> From: Edmund Cheung [mailto:Edmund.Cheung@Kadius.com]
> Sent: Wednesday, November 14, 2001 5:32 AM
> To: cactus-user@jakarta.apache.org
> Subject: error ?
>
>
> I run the TestSampleTag.java sample and got the following errors. Any
> idea ?
>
>
> java.io.StreamCorruptedException: InputStream does not contain a
> serialized object
> at
> java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:731)
> at java.io.ObjectInputStream.<init>(ObjectInputStream.java:165)
> at
> org.apache.cactus.client.AbstractHttpClient.doTest(AbstractHttpClient.ja
> va:141)
>   at
> org.apache.cactus.AbstractTestCase.runGenericTest(AbstractTestCase.java:
> 438)
> at org.apache.cactus.JspTestCase.runTest(JspTestCase.java:107)
> at
> org.apache.cactus.AbstractTestCase.runBare(AbstractTestCase.java:381)
>
>
> Thanks,
>
> Ed
>
>
>
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