Bug#854551: 400 errors caused by 7.0.28-4+deb7u10

[Allen Hadden]

The plot thickens!  I created a local build from git using the 
7.0.28-4+deb7u10 tag.  Interestingly when I did that I was unable to 
reproduce the problem.  Originally I suspected that there was something 
wrong with my build.  But after some digging, I'm starting to suspect the 
official build.  Here's why...

Note that I have 7.0.28-4+deb7u10 installed on my system:

$ dpkg-query -W -f '${Version}\n' libtomcat7-java
7.0.28-4+deb7u10

Also that tomcat-coyote.jar is from that package:

$ dpkg-query -L libtomcat7-java | grep tomcat-coyote.jar
/usr/share/java/tomcat-coyote.jar
/usr/share/tomcat7/lib/tomcat-coyote.jar

(The first one is a symlink to the second one.)

I have attached two files, dist-tomcat-coyote-contents.txt and 
built-tomcat-coyote-contents.txt.  These files just contain the output of 
"unzip -t tomcat-coyote.jar".  Note that I chose that file because it 
contains the AbstractInputBuffer class.  I expected there to be no 
differences.  However, a diff of those files shows this:

$ diff dist-tomcat-coyote-contents.txt built-tomcat-coyote-contents.txt
1c1
< Archive:  /usr/share/tomcat7/lib/tomcat-coyote.jar
---
> Archive:  built-tomcat7-7.0.28-4+deb7u10/tomcat-coyote.jar
18,20d17
<     testing: org/apache/tomcat/util/codec/   OK
<     testing: org/apache/tomcat/util/codec/binary/   OK
<     testing: org/apache/tomcat/util/collections/   OK
37d33
<     testing: org/apache/tomcat/util/security/   OK
122d117
<     testing: org/apache/coyote/http11/filters/LocalStrings.properties OK
270,280d264
<     testing: org/apache/tomcat/util/codec/BinaryDecoder.class   OK
<     testing: org/apache/tomcat/util/codec/BinaryEncoder.class   OK
<     testing: org/apache/tomcat/util/codec/Decoder.class   OK
<     testing: org/apache/tomcat/util/codec/DecoderException.class   OK
<     testing: org/apache/tomcat/util/codec/Encoder.class   OK
<     testing: org/apache/tomcat/util/codec/EncoderException.class   OK
<     testing: org/apache/tomcat/util/codec/binary/Base64.class   OK
<     testing: 
org/apache/tomcat/util/codec/binary/BaseNCodec$Context.class   OK
<     testing: org/apache/tomcat/util/codec/binary/BaseNCodec.class   OK
<     testing: org/apache/tomcat/util/codec/binary/StringUtils.class   OK
<     testing: org/apache/tomcat/util/collections/ConcurrentCache.class OK
381c365,370
<     testing: 
org/apache/tomcat/util/http/parser/HttpParser$SkipConstantResult.class OK
---
>     testing: org/apache/tomcat/util/http/parser/AstAttribute.class   OK
>     testing: org/apache/tomcat/util/http/parser/AstMediaType.class   OK
>     testing: org/apache/tomcat/util/http/parser/AstParameter.class   OK
>     testing: org/apache/tomcat/util/http/parser/AstSubType.class   OK
>     testing: org/apache/tomcat/util/http/parser/AstType.class   OK
>     testing: org/apache/tomcat/util/http/parser/AstValue.class   OK
383,384c372,381
<     testing: org/apache/tomcat/util/http/parser/MediaType.class   OK
<     testing: org/apache/tomcat/util/http/parser/MediaTypeCache.class OK
---
>     testing: 
org/apache/tomcat/util/http/parser/HttpParserConstants.class   OK
>     testing: 
org/apache/tomcat/util/http/parser/HttpParserTokenManager.class   OK
>     testing: 
org/apache/tomcat/util/http/parser/HttpParserTreeConstants.class   OK
>     testing: org/apache/tomcat/util/http/parser/JJTHttpParserState.class 
  OK
>     testing: org/apache/tomcat/util/http/parser/Node.class   OK
>     testing: org/apache/tomcat/util/http/parser/ParseException.class OK
>     testing: org/apache/tomcat/util/http/parser/SimpleCharStream.class 
OK
>     testing: org/apache/tomcat/util/http/parser/SimpleNode.class   OK
>     testing: org/apache/tomcat/util/http/parser/Token.class   OK
>     testing: org/apache/tomcat/util/http/parser/TokenMgrError.class   OK
482,484d478
<     testing: org/apache/tomcat/util/security/PermissionCheck.class   OK
<     testing: org/apache/tomcat/util/security/PrivilegedGetTccl.class OK
<     testing: org/apache/tomcat/util/security/PrivilegedSetTccl.class OK
498c492
< No errors detected in compressed data of 
/usr/share/tomcat7/lib/tomcat-coyote.jar.
---
> No errors detected in compressed data of 
built-tomcat7-7.0.28-4+deb7u10/tomcat-coyote.jar.

The interesting thing about this to me is that some of those class files 
are supposed to be only in Tomcat 8 and not in Tomcat 7 (or only in Tomcat 
7 and not in Tomcat 8).

Is it possible that the build wasn't "clean" in that it contained some 
Tomcat 8 class files?  It certainly smells like that.

Thanks,
Allen




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