Building CAS

[Matthew Jones]

Hi Thai,

I have skipped the Eclipse part and am trying just to build from the 
command line. I have edited the pom.xml and deployerContextConfig.xml 
files appropriately for the CAS I wish to deploy (that I have running 
having patched the deployed .war file that I downloaded). I am using 
OpenLDAP I'm using the "ordinary" LDAP binder rather than the fast one.

After running mvn package in the appropriate directory I get a cas.war 
file in the target sub-directory and I then try to deploy that. When 
this is deployed, it does indeed appear to have added the Spring LDAP 
.jar files that I previously added manually but the .war file doesn't 
deploy successfully.

Anyway, the "highlights" of catalina.out are as follows and I really 
don't understand the one about cas.log. It is there and is owned by 
Tomcat. This is the same Tomcat instance that I have the downloaded war 
file deployed on and edited. Indeed, I can still start this CAS server 
and it still appears to function correctly (it is under 
/cas-server-webapp-3.3 in the Tomcat manager rather than my built one 
which is under /cas)

log4j:ERROR setFile(null,true) call failed.
java.io.FileNotFoundException: cas.log (Permission denied)
log4j:ERROR setFile(null,true) call failed.
java.io.FileNotFoundException: cas.log (Permission denied)

2008-10-06 17:35:00,692 ERROR 
[org.springframework.web.context.ContextLoader] - <Context 
initialization failed>
java.lang.NoClassDefFoundError: org/springframework/core/SmartClassLoader
     at java.lang.ClassLoader.defineClass1(Native Method)
     at java.lang.ClassLoader.defineClass(ClassLoader.java:620)
     at 
java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)
2008-10-06 17:35:00,701 FATAL 
[org.jasig.cas.web.init.SafeContextLoaderListener] - 
<SafeContextLoaderListener:
The Spring ContextLoaderListener we wrap threw on contextInitialized.
But for our having caught this error, the web application context would 
not have initialized.>
java.lang.NoClassDefFoundError: org/springframework/core/SmartClassLoader

SafeContextLoaderListener:
The Spring ContextLoaderListener we wrap threw on contextInitialized.
But for our having caught this error, the web application context would 
not have initialized.
java.lang.NoClassDefFoundError: org/springframework/core/SmartClassLoader

2008-10-06 17:35:00,709 ERROR 
[org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/cas]] - 
<SafeContextLoaderListener:
The Spring ContextLoaderListener we wrap threw on contextInitialized.
But for our having caught this error, the web application context would 
not have initialized.>
java.lang.NoClassDefFoundError: org/springframework/core/SmartClassLoader

2008-10-06 17:35:00,742 ERROR 
[org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/cas]] - 
<Exception starting filter springSecurityFilterChain>
java.lang.NoClassDefFoundError: 
org/springframework/beans/PropertyAccessorFactory
     at 
org.springframework.web.filter.GenericFilterBean.init(GenericFilterBean.java:165)
2008-10-06 17:35:00,755 ERROR 
[org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/cas]] - 
<Exception starting filter CAS Client Info Logging Filter>
java.lang.NoClassDefFoundError: 
org/springframework/beans/PropertyAccessorFactory
     at 
org.springframework.web.filter.GenericFilterBean.init(GenericFilterBean.java:165)
Oct 6, 2008 5:35:00 PM org.apache.catalina.core.StandardContext start
SEVERE: Error filterStart
Oct 6, 2008 5:35:00 PM org.apache.catalina.core.StandardContext start
SEVERE: Context [/cas] startup failed due to previous errors
Oct 6, 2008 5:35:00 PM org.apache.catalina.startup.HostConfig deployWAR
INFO: Deploying web application archive cas-server-webapp-3.3.war
2008-10-06 17:35:08,938 INFO 
[org.jasig.cas.web.flow.AuthenticationViaFormAction] - <FormObjectClass 
not set.  Using default class of 
org.jasig.cas.authentication.principal.UsernamePasswordCredentials with 
formObjectName credentials and validator 
org.jasig.cas.validation.UsernamePasswordCredentialsValidator.>

All of which makes me think I have missed something fundemental in my 
configuration somewhere. I am trying to build the war file on Ubuntu 
8.04 AMD64 with the following:
# mvn --version
Maven version: 2.0.8
Java version: 1.6.0_06
OS name: "linux" version: "2.6.24-19-generic" arch: "amd64" Family: "unix"

The last part of the output from the mvn package command run the 
cas-server-webapp is as follows:

[INFO] BUILD SUCCESSFUL
[INFO] 
------------------------------------------------------------------------
[INFO] Total time: 14 seconds
[INFO] Finished at: Thu Oct 09 15:13:22 BST 2008
[INFO] Final Memory: 21M/52M
[INFO] 
------------------------------------------------------------------------

which implies it worked. I have assumed that I don't actually need any 
of the Eclipse part for this to work.

> Maven2 and CAS-3.3 are all you need.
> Here is what I did:
> 
> o I used Eclispe but after installing the Maven plug-in, eclipse
> treats all my projects as Maven projects and if it could not find
> pom.xml in a project, it complains about it. So I removed the plug-in
> and use Eclispe as a editor. I know the purpose of the plug-in is to
> eliminate the manual process as I will described below and more. But
> for now I will not use it until I have more time to figure it out.
> Hopefully, someone can have some input on this.
> 
> o When you untar the CAS-3.3 you will find the directory
> cas-server-webapp, use that directory to create a Java project in
> Eclipse.
> NOTE: If you have mvn in your PATH, you can go to the
> cas-server-webapp and run the command: mvn package
> First time you run, Maven will download some files (you need internet
> connection)
> It should success building and create cas-server-webapp/target/cas.war file.
> This should be the same as CAS-3.3/modules/cas-server-webapp-3.3.war
> file that include in the download
> 
> To modify CAS to support authenticate against LDAP:
> All files mention below are relative to the cas-server-webapp directory
> o Modify pom.xml file and add:
> ----------------------------------------------
> <dependency>
> 			<groupId>org.jasig.cas</groupId>
> 			<artifactId>cas-server-support-ldap</artifactId>
> 			<version>${project.version}</version>
> </dependency>
> ---------------------------------------------
> in between the <dependencies>
> 
> o Modify src/main/webapp/WEB-INF/deployerConfigContext.xml and replace:
>   org.jasig.cas.authentication.handler.support.SimpleTestUsernamePasswordAuthenticationHandler
> with
>   org.jasig.cas.adaptors.ldap.FastBindLdapAuthenticationHandler
> 
> and add:
> ------------------------------------------------
> <bean id="contextSource"
> class="org.jasig.cas.adaptors.ldap.util.AuthenticatedLdapContextSource">
> 		<property name="pool" value="true" />
> 		<property name="urls">
> 			<list>
> 				<value>ldap://your-ldap-server:389</value>
> 			</list>
> 		</property>
> 		<property name="baseEnvironmentProperties">
> 			<map>
> 				<entry>
> 					<key>
> 						<value>java.naming.security.authentication</value>
> 					</key>
> 					<value>simple</value></entry></map></property>
> 		<property name="userName">
> 			<value>your-cn-of-the-access-or-anonymous</value></property>
> 		<property name="password">
> 			<value>depend-on-anonymous-access</value>
> 		</property>
> 	</bean>
> ----------------------------------------------------------
> in between the <beans>
> 
> o Now if you go back the prompt and run: mvn package again, maven will
> download the spring ldap jar files for you and include in the newly
> build cas.war
> 
> Hope that help! (please update if you found any trouble)
> 
> Thai Nguyen
> 
> On Tue, Oct 7, 2008 at 4:29 AM, Matthew Jones
> <matthew.jones at interactivedata.com> wrote:
>> Up until now all I have been doing is deploying CAS from the downloaded .war
>> file and adding the Spring LDAP jars manually. I now want to move to being
>> able to build a custom .war file that contains the required LDAP jars and
>> then move on to writing a custom authentication handler for our combined
>> X509 certificates and username /pasword.
>>
>> I have installed maven2 and already have the CAS 3.3 download as that's what
>> I have deployed to our test system. Is that sufficient for what I want to
>> do? Is there any basic guide for novices starting along this line?
>>
>> I do have eclipse installed although I haven't used it for anything related
>> to CAS although I have seen using Eclipse mentioned. Is this the recommended
>> approach? I'm after the simplest approach to set this up so I'm happy to
>> follow any reasonable approach especially as this isn't in my normal working
>> set currently.
>>
>> All help and advice gratefully received.
>>
>> Thanks

-- 
Matthew Jones
Interactive Data Managed Solutions Ltd
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