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Re: Classpath Issues with Log4J?

by dchicks :: Rate this Message:

Matt Wringe wrote:

> On Tue, 2009-02-24 at 15:37 -0500, David C. Hicks wrote:
>
>> Ewww. Thanks for the tip, though. I'll give it a whirl. It's better
>> than nothing. :-)
>>
>> richard schmidt wrote:
>>
>>> I also hit this problem.
>>>
>>> Ended up configuring cargo to use an external server.....
>>>
>>> Not much help!
>>>
>>>
>>>
>>> On Wed, Feb 25, 2009 at 9:02 AM, David C. Hicks <dhicks@...
>>> <mailto:dhicks@...>> wrote:
>>>
>>> Hi,
>>>
>>> I'm trying to set up the Maven2 Cargo plugin, and I'm getting some
>>> apparent classpath problems from Log4J. I see that there was a
>>> sizable discussion of a potential defect related to this issue
>>> back in August of 2008, but I could not find if there was any kind
>>> of resolution or work-around.
>>> Can someone please enlighten me?
>>> Thanks,
>>> David
>>>
>
> Does this work normally if you just deploy your webapp to the a server
> that is started by hand? I wonder why Cargo would be causing a
> ClassNotFoundException in this situation.
>

Yes. In fact, the only reason I'm looking at Cargo is because the Jetty
plugin doesn't support running the WAR file *and* supplying JNDI
resources at the same time. (At least, I have not found such a
capability.) Cargo appeared to offer me a way to make that happen. So,
I started trying to move toward it when I encountered this problem. The
configuration and exception output is what I see when I replace the
Jetty plugin with the Cargo plugin. The rest of my Maven config is the
same.

>
>>> PS - in case it helps, this is my current configuration and a
>>> snippet of the exception that is thrown by the plugin:
>>>
>>> Caused by: java.lang.ClassNotFoundException: org.apache.log4j.Category
>>> at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
>>> at java.security.AccessController.doPrivileged(Native Method)
>>> at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
>>> at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
>>> at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
>>> at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
>>> ... 39 more
>>>
>>> <plugin>
>>> <groupId>org.codehaus.cargo</groupId>
>>> <artifactId>cargo-maven2-plugin</artifactId>
>>> <version>1.0-beta-2</version>
>>> <configuration>
>>> <wait>false</wait>
>>> <container>
>>> <containerId>jetty6x</containerId>
>>> <type>embedded</type>
>>> <dependencies>
>>> <dependency>
>>> <groupId>mysql</groupId>
>>>
>>> <artifactId>mysql-connector-java</artifactId>
>>> </dependency>
>>> </dependencies>
>>> </container>
>>> <properties>
>>> <cargo.datasource.datasource.mysql>
>>>
>>> cargo.datasource.driver=${harvey.database.driver}|
>>> cargo.datasource.url=${harvey.database.url}|
>>>
>>> cargo.datasource.jndi=jdbc/salientDataSource|
>>>
>>> cargo.datasource.username=${harvey.database.username}|
>>>
>>> cargo.datasource.password=${harvey.database.password}
>>> </cargo.datasource.datasource.mysql>
>>> <cargo.resource.resource.homeDirectory>
>>> cargo.resource.name
>>> <http://cargo.resource.name>=salient/homeDirectory|
>>> cargo.resource.type=java.lang.String|
>>>
>>> cargo.resource.parameters=${harvey.home.directory}
>>> </cargo.resource.resource.homeDirectory>
>>> </properties>
>>> </configuration>
>>> </plugin>
>>>
>>>
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>>>
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« Return to Thread: Classpath Issues with Log4J?