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Posted to dev@tomcat.apache.org by bu...@apache.org on 2013/01/08 00:56:21 UTC

[Bug 54382] New: Nullpointer Exception after activating SSI and loading of any html-file with a specific comment

https://issues.apache.org/bugzilla/show_bug.cgi?id=54382

            Bug ID: 54382
           Summary: Nullpointer Exception after activating SSI and loading
                    of any html-file with a specific comment
           Product: Tomcat 7
           Version: 7.0.34
          Hardware: PC
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Catalina
          Assignee: dev@tomcat.apache.org
          Reporter: bodure@googlemail.com
    Classification: Unclassified

1. Activate SSI on Tomcat and restart Tomcat
2. create an any html-file with a comment like this "<!--#-->" 
3. put this html-file to the webapp folder of tomcat
4. when you now go to the html file via tomcat, you will get an Nullpointer
Exception. The SSIServlet.class and other necessary SSI-classes cannot be found

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[Bug 54382] Nullpointer Exception after activating SSI and loading of any html-file with a specific comment

Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=54382

--- Comment #2 from Konstantin Kolinko <kn...@gmail.com> ---
Proposed for 6.0.

For the record:
1. The stacktraces in 6.0 are, for SSIServlet and SSIFilter:

java.lang.NullPointerException
    org.apache.catalina.ssi.SSIProcessor.process(SSIProcessor.java:132)
    org.apache.catalina.ssi.SSIServlet.processSSI(SSIServlet.java:208)
    org.apache.catalina.ssi.SSIServlet.requestHandler(SSIServlet.java:174)
    org.apache.catalina.ssi.SSIServlet.doGet(SSIServlet.java:110)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:723)

java.lang.NullPointerException
    org.apache.catalina.ssi.SSIProcessor.process(SSIProcessor.java:132)
    org.apache.catalina.ssi.SSIFilter.doFilter(SSIFilter.java:142)

2. With the patch applied, processing the "<!--#-->" comment replaces it with
the following text: 

  "[an error occurred while processing this directive]"

and the following is logged into localhost.*.log file:

  org.apache.catalina.core.ApplicationContext log
  INFO: Unknown command: 

This is OK, because there is very little difference between an empty command
name and a wrong command name. If one treats it as a comment and writes any
random text after the '#', it would trigger the same error message.

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[Bug 54382] Nullpointer Exception after activating SSI and loading of any html-file with a specific comment

Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=54382

--- Comment #3 from Konstantin Kolinko <kn...@gmail.com> ---
Fixed in Tomcat 6 by r1476541 , will be in 6.0.37

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[Bug 54382] Nullpointer Exception after activating SSI and loading of any html-file with a specific comment

Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=54382

Mark Thomas <ma...@apache.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED
                 OS|                            |All

--- Comment #1 from Mark Thomas <ma...@apache.org> ---
Thanks for the report. This has been fixed in trunk and 7.0.x and will be
included in 7.0.35 onwards.

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