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From Claus Ibsen <claus.ib...@gmail.com>
Subject Re: JAXB Data Format
Date Fri, 17 Aug 2012 08:18:54 GMT
On Fri, Aug 17, 2012 at 10:06 AM, Joe San <codeintheopen@gmail.com> wrote:
> I've tried to get rid of this issue but unfortunately could not. What I do
> not understand is the following:
>
> The Error says:
>
> Exception in thread "main" java.lang.NoClassDefFoundError:
> org/slf4j/LoggerFactory
>     at
> org.apache.camel.support.ServiceSupport.<clinit>(ServiceSupport.java:38)
>     at
> org.example.filexml.CamelWithFileAndXML.main(CamelWithFileAndXML.java:23)
> Caused by: java.lang.ClassNotFoundException: org.slf4j.LoggerFactory
>
> I have a dependency as:
>
>     <dependency>
>         <groupId>org.slf4j</groupId>
>         <artifactId>slf4j-log4j12</artifactId>
>         <version>1.6.6</version>
>     </dependency>
>
> When I checked the slf4j jar file, the package structure is different from
> what the error says. There is no org.slf4j.LoggerFactory but rather
> org\slf4j\impl\Log4jLoggerFactory. Am I using wrong libraries?
>

And you got slf4j-api JAR as well? Its needed as dependency.

> Regards,
> Jothi
>
> On Thu, Aug 16, 2012 at 5:37 PM, Claus Ibsen <claus.ibsen@gmail.com> wrote:
>
>> On Thu, Aug 16, 2012 at 4:08 PM, Joe San <codeintheopen@gmail.com> wrote:
>> > Even with the al4j-log4j dependecy added in the libraries, I get this
>> error.
>> >
>>
>> Are you sure they are on the classpath when you run the app form within
>> Eclipse.
>>
>> And you may want to add slf4j-log4j12 or some other logging bridge so
>> you can use log4j, or maybe some other log kit to log.
>> Then you can see logs in the console in eclipse etc, if you configure
>> logging to output to std out.
>>
>> If you create a new Camel project using the maven archetypes it does that.
>> camel.apache.org/camel-maven-archetypes.html
>>
>> Or see some of the Camel examples in the examples dir
>>
>>
>>
>> > Regards,
>> > Jothi
>> >
>> > On Thu, Aug 16, 2012 at 3:59 PM, Claus Ibsen <claus.ibsen@gmail.com>
>> wrote:
>> >
>> >> Hi
>> >>
>> >> See this FAQ
>> >> http://camel.apache.org/what-jars-do-i-need.html
>> >>
>> >>
>> >>
>> >> On Thu, Aug 16, 2012 at 3:50 PM, Joe San <codeintheopen@gmail.com>
>> wrote:
>> >> > Exception in thread "main" java.lang.NoClassDefFoundError:
>> >> > org/slf4j/LoggerFactory
>> >> >     at
>> >> >
>> org.apache.camel.support.ServiceSupport.<clinit>(ServiceSupport.java:38)
>> >> >     at
>> >> >
>> org.example.filexml.CamelWithFileAndXML.main(CamelWithFileAndXML.java:23)
>> >> > Caused by: java.lang.ClassNotFoundException: org.slf4j.LoggerFactory
>> >> >     at java.net.URLClassLoader$1.run(Unknown Source)
>> >> >     at java.security.AccessController.doPrivileged(Native Method)
>> >> >     at java.net.URLClassLoader.findClass(Unknown Source)
>> >> >     at java.lang.ClassLoader.loadClass(Unknown Source)
>> >> >     at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
>> >> >     at java.lang.ClassLoader.loadClass(Unknown Source)
>> >> >     ... 2 more
>> >> >
>> >> > My simple route fails with the above exception. All I have in my
>> pom.xml
>> >> > defined is:
>> >> >
>> >> >     <dependency>
>> >> >         <groupId>org.apache.camel</groupId>
>> >> >         <artifactId>camel-core</artifactId>
>> >> >         <version>2.9.2</version>
>> >> >     </dependency>
>> >> >     <dependency>
>> >> >       <groupId>org.apache.camel</groupId>
>> >> >       <artifactId>camel-jaxb</artifactId>
>> >> >       <version>2.9.2</version>
>> >> >     </dependency>
>> >> >
>> >> > Do I need additional dependencies to be added other than this?
>> >> >
>> >> > Regards,
>> >> > Jothi
>> >> >
>> >> > On Thu, Aug 16, 2012 at 3:34 PM, Joe San <codeintheopen@gmail.com>
>> >> wrote:
>> >> >
>> >> >> I just found that out from Chapter 4. I would have expected this
hint
>> >> that
>> >> >> "when the bean has only one method, camel invokes it automagically
>> >> without
>> >> >> having to explicitly specifying it" in Chapter 3 itself.
>> >> >>
>> >> >> Regards,
>> >> >> Jothi
>> >> >>
>> >> >>
>> >> >> On Thu, Aug 16, 2012 at 3:32 PM, Claus Ibsen <claus.ibsen@gmail.com
>> >> >wrote:
>> >> >>
>> >> >>> On Thu, Aug 16, 2012 at 3:16 PM, Joe San <codeintheopen@gmail.com>
>> >> wrote:
>> >> >>> > Thanks for pointing me to toe documentation. My actual
question
>> got
>> >> >>> > clarified once I had a look into the documentation.
>> >> >>> >
>> >> >>> > From the Camel in Action book:
>> >> >>> >
>> >> >>> > from("quartz://report?cron=0+0+6+*+*+?")
>> >> >>> > .to("http://riders.com/orders/cmd=received&date=yesterday")
>> >> >>> > .bean(new OrderToCsvBean())
>> >> >>> > .to("file://riders/orders?fileName=report-${header.Date}.csv");
>> >> >>> >
>> >> >>> > How does Camel know which method in the OrderToCsvBean()
class to
>> >> >>> invoke.
>> >> >>> > Unfortunately the book does not mentions this in Chapter
3. Not
>> sure
>> >> if
>> >> >>> it
>> >> >>> > is mentioned in Chapter 4 as I'm yet to start with Chapter
4.
>> >> >>> >
>> >> >>>
>> >> >>> Yep chapter 4 is all about using beans/pojos with Camel; see
for
>> >> >>> example page 105.
>> >> >>>
>> >> >>> But basically if the pojo/bean has 1 method, then Camel knows
that
>> it
>> >> >>> should invoke that method.
>> >> >>> Its when you have 2+ methods it gets more complicated. You
can of
>> >> >>> course tell Camel the method name to use etc.
>> >> >>>
>> >> >>> But its all covered as well in chapter 4, as well you can find
>> pieces
>> >> >>> of details scattered online in the Camel docs.
>> >> >>>
>> >> >>>
>> >> >>> > Regards,
>> >> >>> > Jothi
>> >> >>> >
>> >> >>> > On Thu, Aug 16, 2012 at 2:46 PM, Babak Vahdat
>> >> >>> > <babak.vahdat@swissonline.ch>wrote:
>> >> >>> >
>> >> >>> >> Check the documentation for this:
>> >> >>> >>
>> >> >>> >> http://camel.apache.org/bean-binding.html
>> >> >>> >>
>> >> >>> >> Babak
>> >> >>> >>
>> >> >>> >> Am 16.08.12 14:32 schrieb "Joe San" unter <
>> codeintheopen@gmail.com
>> >> >:
>> >> >>> >>
>> >> >>> >> >I have decided to use JAXB instead of xStream.
My route
>> definition
>> >> >>> looks
>> >> >>> >> >like this:
>> >> >>> >> >
>> >> >>> >> >        final JaxbDataFormat jaxb = new
>> >> >>> >> >JaxbDataFormat("com.example.filexml");
>> >> >>> >> >        context.addRoutes(new RouteBuilder() {
>> >> >>> >> >            public void configure() {
>> >> >>> >> >                from("file://my.xml").unmarshal(jaxb).bean(new
>> >> >>> >> >ProcessorBean()).to("file://my.xml");
>> >> >>> >> >            }
>> >> >>> >> >        });
>> >> >>> >> >
>> >> >>> >> >How do I get hold of the UnMarshalled Java Object
(say
>> Person.java)
>> >> >>> in my
>> >> >>> >> >ProcessorBean. Also, when I use a bean for Processing,
how does
>> >> Camel
>> >> >>> know
>> >> >>> >> >which method to invoke in that bean?
>> >> >>> >> >
>> >> >>> >> >Regards,
>> >> >>> >> >Jothi
>> >> >>> >> >
>> >> >>> >> >On Thu, Aug 16, 2012 at 1:56 PM, Joe San <
>> codeintheopen@gmail.com>
>> >> >>> wrote:
>> >> >>> >> >
>> >> >>> >> >> Guys,
>> >> >>> >> >>
>> >> >>> >> >> I have a route which is defined as below:
>> >> >>> >> >>
>> >> >>> >> >> from("file://my.xml").marshal().xstream("UTF-8").bean(new
>> >> >>> >> >> ProcessorBean()).to("file://my.xml");
>> >> >>> >> >>
>> >> >>> >> >> All I want to do is access the my.xml in
my ProcessorBean.
>> Where
>> >> >>> and how
>> >> >>> >> >> do I specify the Java object which will be
filled with the
>> values
>> >> >>> in the
>> >> >>> >> >> xml file?
>> >> >>> >> >>
>> >> >>> >> >> Regards,
>> >> >>> >> >> Jothi
>> >> >>> >> >>
>> >> >>> >>
>> >> >>> >>
>> >> >>> >>
>> >> >>>
>> >> >>>
>> >> >>>
>> >> >>> --
>> >> >>> Claus Ibsen
>> >> >>> -----------------
>> >> >>> FuseSource
>> >> >>> Email: cibsen@fusesource.com
>> >> >>> Web: http://fusesource.com
>> >> >>> Twitter: davsclaus, fusenews
>> >> >>> Blog: http://davsclaus.com
>> >> >>> Author of Camel in Action: http://www.manning.com/ibsen
>> >> >>>
>> >> >>
>> >> >>
>> >>
>> >>
>> >>
>> >> --
>> >> Claus Ibsen
>> >> -----------------
>> >> FuseSource
>> >> Email: cibsen@fusesource.com
>> >> Web: http://fusesource.com
>> >> Twitter: davsclaus, fusenews
>> >> Blog: http://davsclaus.com
>> >> Author of Camel in Action: http://www.manning.com/ibsen
>> >>
>>
>>
>>
>> --
>> Claus Ibsen
>> -----------------
>> FuseSource
>> Email: cibsen@fusesource.com
>> Web: http://fusesource.com
>> Twitter: davsclaus, fusenews
>> Blog: http://davsclaus.com
>> Author of Camel in Action: http://www.manning.com/ibsen
>>



-- 
Claus Ibsen
-----------------
FuseSource
Email: cibsen@fusesource.com
Web: http://fusesource.com
Twitter: davsclaus, fusenews
Blog: http://davsclaus.com
Author of Camel in Action: http://www.manning.com/ibsen

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