----- On Jun 22, 2016, at 1:52 PM, Bernd Lentes 
bernd.len...@helmholtz-muenchen.de wrote:

> Hi,
> 
> i changed maxHttpHeaderSize in server.xml following the recommendation in
> CVE-2016-3092.
> I changed it to 2048 bytes.
> 
> <Connector port="8080" protocol="HTTP/1.1"
>               connectionTimeout="20000"
>               redirectPort="8443" maxHttpHeaderSize="2048" />
>    <!-- A "Connector" using the shared thread pool-->
>    <!--
>    <Connector executor="tomcatThreadPool"
>               port="8080" protocol="HTTP/1.1"
>               connectionTimeout="20000"
>               redirectPort="8443" maxHttpHeaderSize="2048" />
> 
> 
> After restart of the server i got several errors in catalina.log:
> 
> Jun 22, 2016 1:38:01 PM org.apache.catalina.loader.WebappClassLoader
> clearReferencesJdbc
> SEVERE: The web application [/MouseIDGenes] registered the JDBC driver
> [org.postgresql.Driver] but failed to unregister it when the web application
> was stopped. To prevent a memory leak, the JDBC Driver has been forcibly
> unregistered.
> Jun 22, 2016 1:38:01 PM org.apache.coyote.http11.Http11Protocol destroy
> 
> ...
> 
> Jun 22, 2016 1:38:07 PM org.apache.catalina.loader.WebappLoader start
> SEVERE: LifecycleException
> java.io.IOException: Failed to access resource /WEB-INF/lib/[taglibs-core].jar
>        at
>        
> org.apache.catalina.loader.WebappLoader.setRepositories(WebappLoader.java:1052)
>        at org.apache.catalina.loader.WebappLoader.start(WebappLoader.java:683)
>        at 
> org.apache.catalina.core.StandardContext.start(StandardContext.java:4609)
>        at
>        
> org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:803)
>        at 
> org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:780)
>        at 
> org.apache.catalina.core.StandardHost.addChild(StandardHost.java:583)
>        at 
> org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1080)
>        at
>        
> org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:1003)
>        at 
> org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:507)
>        at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1322)
>        at 
> org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:325)
>        at
>        
> org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:142)
>        at 
> org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1069)
>        at org.apache.catalina.core.StandardHost.start(StandardHost.java:822)
>        at 
> org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1061)
>        at 
> org.apache.catalina.core.StandardEngine.start(StandardEngine.java:463)
>        at 
> org.apache.catalina.core.StandardService.start(StandardService.java:525)
>        at 
> org.apache.catalina.core.StandardServer.start(StandardServer.java:759)
>        at org.apache.catalina.startup.Catalina.start(Catalina.java:595)
>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>        at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:95)
>        at
>        
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:56)
>        at java.lang.reflect.Method.invoke(Method.java:620)
>        at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
>        at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
> Caused by: javax.naming.NamingException: Resource [taglibs-core].jar not found
>        at 
> org.apache.naming.resources.FileDirContext.lookup(FileDirContext.java:209)
>        at
>        
> org.apache.catalina.loader.WebappLoader.setRepositories(WebappLoader.java:1050)
>        ... 24 more
> 
> ...
> 
> Jun 22, 2016 1:38:07 PM org.apache.catalina.core.ContainerBase 
> addChildInternal
> SEVERE: ContainerBase.addChild: start:
> LifecycleException:  start: :  java.io.IOException: Failed to access resource
> /WEB-INF/lib/[taglibs-core].jar
>        at org.apache.catalina.loader.WebappLoader.start(WebappLoader.java:709)
>        at 
> org.apache.catalina.core.StandardContext.start(StandardContext.java:4609)
>        at
>        
> org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:803)
>        at 
> org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:780)
>        at 
> org.apache.catalina.core.StandardHost.addChild(StandardHost.java:583)
>        at 
> org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1080)
>        at
>        
> org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:1003)
>        at 
> org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:507)
>        at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1322)
>        at 
> org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:325)
>        at
>        
> org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:142)
>        at 
> org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1069)
>        at org.apache.catalina.core.StandardHost.start(StandardHost.java:822)
>        at 
> org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1061)
>        at 
> org.apache.catalina.core.StandardEngine.start(StandardEngine.java:463)
>        at 
> org.apache.catalina.core.StandardService.start(StandardService.java:525)
>        at 
> org.apache.catalina.core.StandardServer.start(StandardServer.java:759)
>        at org.apache.catalina.startup.Catalina.start(Catalina.java:595)
>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>        at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:95)
>        at
>        
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:56)
>        at java.lang.reflect.Method.invoke(Method.java:620)
>        at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
>        at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
> 
> ...
> 
> Jun 22, 2016 1:38:07 PM org.apache.catalina.startup.HostConfig deployDirectory
> SEVERE: Error deploying web application directory examples
> java.lang.IllegalStateException: ContainerBase.addChild: start:
> LifecycleException:  start: :  java.io.IOException: Failed to access resource
> /WEB-INF/lib/[taglibs-core].jar
>        at
>        
> org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:807)
>        at 
> org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:780)
>        at 
> org.apache.catalina.core.StandardHost.addChild(StandardHost.java:583)
>        at 
> org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1080)
>        at
>        
> org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:1003)
>        at 
> org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:507)
>        at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1322)
>        at 
> org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:325)
>        at
>        
> org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:142)
>        at 
> org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1069)
>        at org.apache.catalina.core.StandardHost.start(StandardHost.java:822)
>        at 
> org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1061)
>        at 
> org.apache.catalina.core.StandardEngine.start(StandardEngine.java:463)
>        at 
> org.apache.catalina.core.StandardService.start(StandardService.java:525)
>        at 
> org.apache.catalina.core.StandardServer.start(StandardServer.java:759)
>        at org.apache.catalina.startup.Catalina.start(Catalina.java:595)
>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>        at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:95)
>        at
>        
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:56)
>        at java.lang.reflect.Method.invoke(Method.java:620)
>        at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
>        at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
> 
> I'm pretty new to tomcat. Does anybody have an idea ?
> It's tomcat6-6.0.45-0.50.1 on a SLES 11 SP4 64bit.
> 
> Thanks.
> 
> 
> Bernd
Hi,

i read "[SECURITY][CORRECTION] CVE-2016-3092 Apache Tomcat Denial of Service" 
and recognized that Tomcat 6.x is not affected.
I undid the changes, restarted the server but got the same errors.


Bernd
 

Helmholtz Zentrum Muenchen
Deutsches Forschungszentrum fuer Gesundheit und Umwelt (GmbH)
Ingolstaedter Landstr. 1
85764 Neuherberg
www.helmholtz-muenchen.de
Aufsichtsratsvorsitzende: MinDir'in Baerbel Brumme-Bothe
Geschaeftsfuehrer: Prof. Dr. Guenther Wess, Dr. Alfons Enhsen, Renate Schlusen 
(komm.)
Registergericht: Amtsgericht Muenchen HRB 6466
USt-IdNr: DE 129521671


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