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Alfresco SHARE NTLM + SSO is not working for 3.2r2

iseyfi

I recently downloaded the most recent version of Alfresco. I set it up with passthru and ldap. I then enabled ntml sso. Alfresco browser is correctly working. It authenticates users with out a problem. However Alfresco share is throwing the following exception every time I visit it.

java.lang.NullPointerException
   org.alfresco.web.framework.RemoteStoreModelObjectPersister.getCache(RemoteStoreModelObjectPersister.java:107)
   org.alfresco.web.framework.StoreModelObjectPersister.cacheGet(StoreModelObjectPersister.java:532)
   org.alfresco.web.framework.StoreModelObjectPersister.getObjectByPath(StoreModelObjectPersister.java:127)
   org.alfresco.web.framework.StoreModelObjectPersister.getObject(StoreModelObjectPersister.java:108)
   org.alfresco.web.framework.MultiModelObjectPersister.getObject(MultiModelObjectPersister.java:106)
   org.alfresco.web.framework.ModelObjectManager.getObject(ModelObjectManager.java:136)
   org.alfresco.web.site.Model.getObject(Model.java:513)
   org.alfresco.web.site.Model.getPage(Model.java:165)
   org.alfresco.web.site.SlingshotPageMapper.executeMapper(SlingshotPageMapper.java:188)
   org.alfresco.web.site.AbstractPageMapper.execute(AbstractPageMapper.java:62)
   org.alfresco.web.site.DefaultRequestContextFactory.newInstance(DefaultRequestContextFactory.java:109)
   org.alfresco.web.site.FrameworkHelper.initRequestContext(FrameworkHelper.java:202)
   org.alfresco.web.site.servlet.NTLMAuthenticationFilter.doFilter(NTLMAuthenticationFilter.java:147)

I followed the wiki to set this up. All I did was to uncomment the filter in web.xml and edit the \tomcat\shared\classes\alfresco\web-extension\webscript-framework-config-custom.xml as stated in the wiki.

I do not see any error when the share application is deployed.

I have been searching the forums and found out that https://issues.alfresco.com/jira/browse/ALFCOM-2579. There was a similar issue opened while back which is now closed. I am trying to figure out if Share 3.2r2 is suffering from the same issue. I tried to locate the RemoteStoreModelObjectPersister.java file in the public SVN repo but I could not. I cannot find a project called web-framework under projects directory.

thanks in advance.

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Comments

boutch55555

I have exactly the same problem. I've been looking around for a fix for the previous week, and still can't find anything. I did more than 3 times a fresh install of 3.2r2, on linux (debian lenny) , from both the "regular" installer and the tomcat bundle, and the share SSO still won't work. It still works with the login when I rollback the changes from the wiki.

ivan_plestina

Check endpoint url in webscript-framework-config-custom.xml. Make sure it includes port if you are using default 8080.

dward

This was 'refixed' in ETHREEOH-3274, merged to HEAD in revision 17464.

dangruhn

I am new to Alfresco, but I believe I am having the same problem in 3.2r2.

Dward, when you say "This was 'refixed' in ETHREEOH-3274, merged to HEAD in revision 17464", are you saying it should be in the 3.2r2 community download (I have release_community_build-2440_Alfresco-Community-3.2r2-Linux-x86-Install and Alfresco-Community-3.2r2-Linux-x86-Install, which are both the same) or that I need to get it directly from a repository?

If from a repository, a link to instructions would be appreciated. Also, I'd like to see more detailed debugging information but haven't yet found the file to change. Would some one please help with that (plus which output file to look at)?

Thanks

I am using:
Java 1.6.0_18
tomcat 6.0.18
MySQL 5.1.42
CentOS 5.4

benswitzer

Dward, when you say "This was 'refixed' in ETHREEOH-3274, merged to HEAD in revision 17464", are you saying it should be in the 3.2r2 community download (I have release_community_build-2440_Alfresco-Community-3.2r2-Linux-x86-Install and Alfresco-Community-3.2r2-Linux-x86-Install, which are both the same) or that I need to get it directly from a repository?

Hi DanGruhn.

No, the fix is not in 3.2r2. The build number for 3.2r2 is 17458. The build numbers can be found in the release notes for each release. You can get the fix a couple of different ways. One would be to grab a nightly build from http://dev.alfresco.com/downloads/nightly/dist/ or grab the code from the svn repository and build yourself. Or lastly, wait for 3.3. All depends on your comfort and skill levels.

Ben

slagou

Hi I am desperately trying to get this to work and having no luck.

I have the main alfresco site working with SSO and AD, but the share site will not run with the exact error reported here.

I downloaded the latest build as suggested : http://dev.alfresco.com/downloads/nightly/dist/Alfresco-Community-3.3dev-Full-Setup.exe

Using Windows Server 2k3 this produces multiple exceptions without any configuration changes apart from the settings applied during the installer.

I then attempted to patch the share code using this Download:
http://wiki.alfresco.com/w/images/2/2c/WebFrameworkConnectorProvider_Share_NTLMfix_Labs3E.zip
As suggested in this thread http://forums.alfresco.com/en/viewtopic.php?f=47&t=16472&st=0&sk=t&sd=a&start=30

Still the same exception and error page on the share site.

I need to get this working for my client, and I recommended alfresco to him over sharepoint as the features list on your site listed AD integration.

Is there any possibility of getting a patched class posted here for 3.2r? or any other help or suggestion?

I am not trying todo anything crazy, I just need a vanilla install that will work with an AD servers existing users.

dangruhn

I downloaded the development 3.3 from Jan 14, 2010 and eventually got this working. However, not unexpectedly I was getting problems with missing files in tomcat/webapps/share/WEB-INF/classes/alfresco:

webscript-framework-application-context.xmlweb-framework-application-context.xmlweb-framework-model-context.xmlI copied over versions from my saved 3.2r2 and then got this:

11:22:24,869 ERROR [org.springframework.web.context.ContextLoader] Context initialization failed
org.springframework.beans.factory.CannotLoadBeanClassException: Cannot find class [org.alfresco.config.source.UrlConfigSource] for bean with name 'web.configsource' defined in class path resource [alfresco/webscript-framework-application-context.xml]; nested exception is java.lang.ClassNotFoundException: org.alfresco.config.source.UrlConfigSource
   at org.springframework.beans.factory.support.AbstractBeanFactory.resolveBeanClass(AbstractBeanFactory.java:1208)
   at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.predictBeanType(AbstractAutowireCapableBeanFactory.java:568)
   at org.springframework.beans.factory.support.AbstractBeanFactory.isFactoryBean(AbstractBeanFactory.java:1277)
   at org.springframework.beans.factory.support.AbstractBeanFactory.isFactoryBean(AbstractBeanFactory.java:844)
   at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:539)
   at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:842)
   at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:416)
   at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:261)
   at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:192)
   at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:47)
   at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3843)
   at org.apache.catalina.core.StandardContext.start(StandardContext.java:4342)
   at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)
   at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)
   at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:525)
   at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:830)
   at org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:719)
   at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:490)
   at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1149)
   at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311)
   at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
   at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
   at org.apache.catalina.core.StandardHost.start(StandardHost.java:719)
   at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
   at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
   at org.apache.catalina.core.StandardService.start(StandardService.java:516)
   at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
   at org.apache.catalina.startup.Catalina.start(Catalina.java:578)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
   at java.lang.reflect.Method.invoke(Method.java:597)
   at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
   at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
Caused by: java.lang.ClassNotFoundException: org.alfresco.config.source.UrlConfigSource
   at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1387)
   at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1233)
   at org.springframework.util.ClassUtils.forName(ClassUtils.java:258)
   at org.springframework.beans.factory.support.AbstractBeanDefinition.resolveBeanClass(AbstractBeanDefinition.java:408)
   at org.springframework.beans.factory.support.AbstractBeanFactory.doResolveBeanClass(AbstractBeanFactory.java:1229)
   at org.springframework.beans.factory.support.AbstractBeanFactory.resolveBeanClass(AbstractBeanFactory.java:1200)
   … 33 more
‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍

I'm lost here. Most things seem to be working but I don't know if there is something lurking to bite me at some point. A patched class for 3.2r2 sound like a great idea to me.

slagou

I agree, there was a Patched class posted in this thread: http://forums.alfresco.com/en/viewtopic.php?f=47&t=16472&st=0&sk=t&sd=a&start=30
With the download here : http://wiki.alfresco.com/w/images/2/2c/WebFrameworkConnectorProvider_Share_NTLMfix_Labs3E.zip

But the thread is a year old so I assume it was setup to work with an older build.

I am sure I patched the correct Jar in the correct path but got the same error, could anybody confirm this?

Also maybe a developer could post a link to the correctly patched version of the one java source file from SVN, I could compile myself and just patch the 1 class file.

xana_cloete

I've installed 3.2r2 build 2440
I managed to get auth and sync working but ever since then I've been getting the same message as above.

Has there been any resolution to this problem.

Thanks.

mikeh

I don't have the answer to NTLM + SSO, but I can say that there's no way 3.2r2 config will work on 3.3dev (current SVN HEAD) due to the huge changes involved in moving the web script and web framework projects to Spring - that's the cause of the "class not found" exception a couple of posts up.

Mike

slagou

Update, I actually got this to work by using version 3.2.

Unfortunately Share is completely broken in this version, any site created cannot be loaded by another user, or the creator once the user had logged out or the server restarted.

This is a real shame that the current release basically cannot work with an Active Directory Server. I have setup a 3.2r2 system without any AD authentication for my client to evaluate, but now we both have a real lack of confidence in the software, and its community support. It is very likely that we will be moving to a sharepoint system as a result of these problems.

EDIT: Fixed version typo

xana_cloete

Hi

Will there be any problems with this in the Enterprise edition.
I am willing to purchase the enterprise edition but only if this would work.
I have decided to download it anyway. I wil give it a try. Some of the features in the EE are realy appealing.

The only reason I realy need a system like alfresco is to give my users a way to create work spaces in Office and OpenOffice.
The Share feature is also realy great and will work well in our enviroment.

Thanks.

mikeh

Update, I actually got this to work by using version 2.3.

Unfortunately Share is completely broken in this version, any site created cannot be loaded by another user, or the creator once the user had logged out or the server restarted.

This is a real shame that the current release basically cannot work with an Active Directory Server. I have setup a 3.2r2 system without any AD authentication for my client to evaluate, but now we both have a real lack of confidence in the software, and its community support. It is very likely that we will be moving to a sharepoint system as a result of these problems.

Version 2.3?

Mike

slagou

Version 2.3?

Mike

Sorry Typo.. I meant version 3.2

jforde

Hi, I'm new to Alfresco as well and am having the exact same problem.

Dward,
Can you give detailed instructions on how to correctly patch this issue? It is holding up further testing of Alfresco at my firm.
Thanks!

dangruhn

I don't have the answer to NTLM + SSO, but I can say that there's no way 3.2r2 config will work on 3.3dev (current SVN HEAD) due to the huge changes involved in moving the web script and web framework projects to Spring - that's the cause of the "class not found" exception a couple of posts up.

Okay, I can understand that. The question then becomes where are the files that 3.3dev is looking for? In particular:

webscript-framework-application-context.xml
web-framework-application-context.xml
web-framework-model-context.xml

I'm not much on Java, but I did download the current SVN HEAD. I don't see how to extract these files from what I now have locally.

kevinr

Hi

Will there be any problems with this in the Enterprise edition.
I am willing to purchase the enterprise edition but only if this would work.
I have decided to download it anyway. I wil give it a try. Some of the features in the EE are realy appealing.

The only reason I realy need a system like alfresco is to give my users a way to create work spaces in Office and OpenOffice.
The Share feature is also realy great and will work well in our enviroment.

Thanks.

Features such as NTLM, LDAP etc. are fully tested and certified on various stacks for all Enterprise editions - sometimes bugs like this one do sneak into the Community editions, but that is to be expected as less testing is done before the community releases, after all, testing costs money.

As this user noted:

Hi DanGruhn.

No, the fix is not in 3.2r2. The build number for 3.2r2 is 17458. The build numbers can be found in the release notes for each release. You can get the fix a couple of different ways. One would be to grab a nightly build from http://dev.alfresco.com/downloads/nightly/dist/ or grab the code from the svn repository and build yourself. Or lastly, wait for 3.3. All depends on your comfort and skill levels.

Ben

So unfortunately there was a problem with NTLM + Share in 3.2r2. This can be fixed, either by pulling the latest version from SVN (it is currently working fine in latest 3.3 - I have tested it myself). I will look at providing a simple patch file for 3.2r2 today.

Thanks,

Kev

dward

I have cloned this issue to a community JIRA to make sure it gets proper attention from QA

https://issues.alfresco.com/jira/browse/ALFCOM-3801

I have attached a patch with the 3.2r2 fix to the bug.

Have you tried just checking out and building revision 17464 from SVN?

kevinr

I have made the patched .class file for 3.2r2 as a download available on the JIRA item: https://issues.alfresco.com/jira/browse/ALFCOM-3801

Download the zip, unpack it - with the folder structure - to:
$TOMCAT_HOME$/shared/classes

obviously ensure to place it under the Share tomcat instance if you are using a separate web-tier tomcat. This will fix the bug in 3.2r2 - you will still need to follow the wiki instructions as usual. I have tested this, if you follow the instructions for setting up NTLM correctly then it works.

Cheers,

Kev

jforde

Okay so I'm confused I've downloade both files, the .patch and the .zip and I uncompressed the zip and put it in the following location tomcat\shared\classes\org\alfresco\web\framework. I've restarted the server and still no luck. Do I need to define where this file is in some web.xml or something?

dangruhn

I am also confused. I have a 3.2r2 on CentOS 5.4, installed from Alfresco-Community-3.2r2-Linux-x86-Install and I would have thought I would already have

…/org/alfresco/web/framework/RemoteStoreModelObjectPersister.class

but with the current bug. However, I don't see the class file anywhere in the alfresco installation. Is this class new?

dangruhn

Okay, I've found the class inside of two jar files:

tomcat/webapps/mobile/WEB-INF/lib/alfresco-web-framework-3.2r2.jar
2975 11-12-09 16:50 org/alfresco/web/framework/RemoteStoreModelObjectPersister.class

and

tomcat/webapps/share/WEB-INF/lib/alfresco-web-framework-3.2r2.jar
2975 11-12-09 16:50 org/alfresco/web/framework/RemoteStoreModelObjectPersister.class

Since kevinr mentioned Share, it looks like it should at least go in that jar. Should it be replaced in the mobile one as well?

mikeh

Should it be replaced in the mobile one as well?

If you can get NTLM running on the iPhone 😉

Mike

warlockvix

Running into the same problem as above users. I'm using 3.2r2 on W2k3 Standard Server w/SP2. I'm fairly new to Alfresco so I haven't played with it much except to configure it with passthru and ldap. While the Alfresco explorer works great, accessing the Alfresco Share generates the following -

java.lang.NullPointerException
   org.alfresco.web.framework.RemoteStoreModelObjectPersister.getCache(RemoteStoreModelObjectPersister.java:107)
   org.alfresco.web.framework.StoreModelObjectPersister.cacheGet(StoreModelObjectPersister.java:532)
   org.alfresco.web.framework.StoreModelObjectPersister.getObjectByPath(StoreModelObjectPersister.java:127)
   org.alfresco.web.framework.StoreModelObjectPersister.getObject(StoreModelObjectPersister.java:108)
   org.alfresco.web.framework.MultiModelObjectPersister.getObject(MultiModelObjectPersister.java:106)
   org.alfresco.web.framework.ModelObjectManager.getObject(ModelObjectManager.java:136)
   org.alfresco.web.site.Model.getObject(Model.java:513)
   org.alfresco.web.site.Model.getPage(Model.java:165)
   org.alfresco.web.site.SlingshotPageMapper.executeMapper(SlingshotPageMapper.java:188)
   org.alfresco.web.site.AbstractPageMapper.execute(AbstractPageMapper.java:62)
   org.alfresco.web.site.DefaultRequestContextFactory.newInstance(DefaultRequestContextFactory.java:109)
   org.alfresco.web.site.FrameworkHelper.initRequestContext(FrameworkHelper.java:202)
   org.alfresco.web.site.servlet.NTLMAuthenticationFilter.doFilter(NTLMAuthenticationFilter.java:147)

So I downloaded the patch, unzipped the file, retained the directory structure and threw it under "$TOMCAT_HOME$/shared/classes". I also added it to the alfresco-web-framework-3.2r2.jar file. However I am still getting the above error. Should I be doing something with the sharesso.patch file as well?

dward

Can you try unzipping the patch to $TOMCAT_HOME/webapps/share/WEB-INF/classes

?

I think that the 'child first' classloading behaviour of Tomcat 6 may mean that the shared/classes idea may not work.

warlockvix

Nice. The Alfresco Share is back. Thank you.

iseyfi

thanks for all of the posts. I am now able to use NTLM + SSO on port 8080. Whenever I switch to using Apache with mod_jk or mod_proxy, it stops working in IE and Safari. It works fine in firefox. When I tail the apache logs I see that at least i safari it is throwing bunch of 401s. It feels it is recursive and it eventually ends up with an error of too many files being open. With IE It does not even get this far, IE almost immediately display a this page cannot be displayed message.

I have looked around and the apache configuration. I am not really sure why this is not working on IE and Safari but working fine in FireFox. I am guessing it has to do how these broswers handling certain protocols. Does anyone have any guidance on this subject?

thanks

kevinr

I can confirm that NTLM SSO is working for Alfresco 3.3 + Share in 3.3 community.
Here is the updated config: http://wiki.alfresco.com/wiki/Alfresco_Authentication_Subsystems#Alfresco_Share_SSO_using_NTLM

Cheers,

Kev