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David,

On 7/24/18 12:56 PM, David Babooram wrote:
> Hey thanks.
> 
> Before I go through your recommendations with a fine tooth comb,
> do you think it will be there same amount of work trying to go
> straight to the latest Apache version?

Apache /what/ version?

> I started thinking of this since your mentioned the vul.

- -chris

> On Tue, Jul 24, 2018 at 12:41 PM -0400, "Christopher Schultz"
> <ch...@christopherschultz.net<mailto:ch...@christopherschultz.net>>
> wrote:
> 
> 
> David,
> 
> On 7/24/18 10:54 AM, David Babooram wrote:
>> I will try to be as clear as possible.
> 
> :)
> 
>> The files that were originally in 
>> /usr/local/tomcat/jakarta-tomcat-5.5.17/webapps/MYAPP/WEB-INF/lib
>>
>> 
were copied by default when I migrated the app to
>> /usr/local/tomcat/apache-tomcat-6.0.53/webapps/
> 
> Good, that's what you probably should have done.
> 
>> When I ran MYAPP I got the error from my previous email.
> 
>> I then mv all the files from 
>> /usr/local/tomcat/apache-tomcat-6.0.53/webapps/MYAPP/WEB-INF/lib 
>> into a temp directory , in attempt to make it use the global lib
>> , but still the same error.
> 
> Hmm. I'd expect lots of problems when removing all required
> libraries from your application.
> 
> Did you copy the "work" directory from the Tomcat 5.5
> installation? (I'm guessing not.)
> 
>> My next idea was to place the files from 
>> /usr/local/tomcat/apache-tomcat-6.0.53/webapps/MYAPP/WEB-INF/lib 
>> into  /usr/local/tomcat/apache-tomcat-6.0.53/lib , but with the
>> new structure I am unsure what belongs where.
> 
> Definitely undo that... it's likely to break your Tomcat
> installation. You should basically never add anything other than
> maybe a JDBC driver to your CATALINA_BASE/lib directory. Definitely
> nothing application-specific.
> 
> I'd recommend removing all the files from CATALINA_BASE/lib and 
> re-extracting the distro package you downloaded just to reset
> things back to the way they were.
> 
>> FYI : in my original
>> /usr/local/tomcat/jakarta-tomcat-5.5.17/common I have the
>> following directories
> 
>> classes  endorsed  i18n  lib
> 
> 
> 
> 
>> activation.jar antlr-2.7.2.jar
> 
> I think something got lost in the copy/paste. If you had files in
> the "common" loader in Tomcat 5.5 then you might have a bit of
> work figuring out which files are required by the application and
> which are expected to be supplied by the container (Tomcat).
> 
> I'm going to attempt to group these files into 2 categories:
> things that ought to be in your web application's WEB-INF/lib
> directory and which files should be ignored (because Tomcat and/or
> the JVM should be supplying them). Here goes:
> 
> 1. Files supplied by the JVM and/or Tomcat (and should be ignored
> from your old installation):
> 
>> activation.jar         (Modern JVMs supply this) 
>> el-api-2.2.1-b04.jar   (Tomcat is required to supply the EL
>> APIs)
> 
> 2. Files that ought to be in WEB-INF/lib in your application:
> 
>> antlr-2.7.2.jar axis-ant.jar axis.jar bsf-2.3.0.jar 
>> commons-beanutils-1.8.0.jar commons-chain-1.2.jar 
>> commons-codec-1.3.jar commons-collections.jar 
>> commons-dbcp-1.2.1.jar commons-digester-1.8.jar 
>> commons-discovery-0.2.jar commons-fileupload-1.1.1.jar 
>> commons-io-1.1.jar commons-lang.jar commons-logging-1.0.4.jar 
>> commons-pool-1.2.jar commons-validator-1.3.1.jar edtftpj.jar 
>> ibatis-common-2.jar ibatis-dao-2.jar ibatis-sqlmap-2.jar 
>> invoice-generator.jar itext-1.3.jar iText-2.1.0.jar 
>> j2ssh-ant-0.2.9.jar j2ssh-common-0.2.9.jar j2ssh-core-0.2.9.jar 
>> j2ssh-daemon-0.2.9.jar jakarta-oro.jar jaxrpc.jar
>> jsch-0.1.20.jar jstl-1.0.2.jar jstl-1.2.jar junit.jar
>> log4j-1.2.11.jar mailapi.jar ojdbc14.jar oro-2.0.8.jar
>> poi-2.5.1-final-20040804.jar quartz.jar saaj.jar smtp.jar
>> standard-1.0.6.jar stringtemplate.jar struts-core-1.3.10.jar
>> struts-el-1.3.10.jar struts-extras-1.3.10.jar
>> struts-faces-1.3.10.jar struts-mailreader-dao-1.3.10.jar
>> struts-scripting-1.3.10.jar struts-taglib-1.3.10.jar
>> struts-tiles-1.3.10.jar wsdl4j-1.5.1.jar xmlrpc-2.0.jar
> 
> 3. Wait, there is another category. You appear to have some
> conflicts in your existing libraries:
> 
>> jstl-1.0.2.jar jstl-1.2.jar
> 
> and
>> jakarta-oro.jar oro-2.0.8.jar
> 
> If those files have the same classes in each of them, you might be 
> looking at some problems. Check the contents to see if they are 
> distinct or if you have duplicate libraries.
> 
> 4. Things you might want to look into.
> 
>> mailapi.jar
> 
> Is that javamail?
> 
>> smtp.jar
> 
> Is that *also* javamail?
> 
>> ojdbc14.jar
> 
> Is that the Oracle JDBC driver? If the container (Tomcat) is
> managing your connection-pool, then you'll want to put this file
> into CATALINA_BASE/lib and *nowhere else*.
> 
>> junit.jar
> 
> Are you sure you need the junit runtime in your running
> application? My guess is "no" and you might want to see if things
> still work is you remove this. But it can wait until later.
> 
> Finally (and I say this as a proud Apache Struts 1.x user) it's 
> important that you understand that (a) Apache Struts 1.x has
> reached EOL and (b) there are unpatched, publicly-reported
> security vulnerabilities in the version you are using (1.3.10). You
> should really research those vulnerabilities and make sure that you
> have mitigated them all, or you risk exposing your users and
> servers to exploitation.
> 
> Hope that helps, -chris
> 
>> -----Original Message----- From: Christopher Schultz 
>> [mailto:ch...@christopherschultz.net] Sent: Monday, 23 July 2018 
>> 2:29 PM To: users@tomcat.apache.org Subject: [EXTERNAL] Re:
>> Tomcat 5.5.17 migration to 6.0.53
> 
>> David,
> 
>> On 7/23/18 12:51 PM, David Babooram wrote:
>>> Hello
> 
>>> I have begun a migration from 5.5 to 6. Yes I know 6 is EOL
>>> but the migration from 5.5 to 6 has some more documentation
>>> compared to 5.5 to the latest version.
> 
>>> I followed the standard migration of libs and classes from 
>>> /common /shared etc to the new /lin directory for 6..
> 
>>> The server engine runs and I can see the examples web pages
>>> come up.
> 
>>> When I migrated my production webapps to the 6.0 instance
>>> however I get the following error.
> 
>>> HTTP Status 500 - java.lang.LinkageError: loader constraint 
>>> violation: when resolving interface method 
>>> "javax.servlet.jsp.JspApplicationContext.getExpressionFactory()Ljava
x
>
>>> 
/
> 
>>> 
> el/ExpressionFactory;"
> 
> 
>> the class loader (instance of 
>> org/apache/jasper/servlet/JasperLoader)
>>> of the current class, org/apache/jsp/index_jsp, and the class 
>>> loader (instance of 
>>> org/apache/catalina/loader/StandardClassLoader) for resolved 
>>> class, javax/servlet/jsp/JspApplicationContext, have different 
>>> Class objects for the type javax/el/ExpressionFactory used in
>>> the signature
> 
>>> Any insight on this is welcomed.
> 
>>> I notice in that my app has its own lib directory, does this 
>>> means that there is a conflict with the lib files from the
>>> base directory ?
> 
>> Possibly. What files do you have in your app's WEB-INF/lib 
>> directory?
> 
>> -chris
> 
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