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Re: [tigerstripe-users] Velocity classloader error"java.lang.NoClassDefFoundError: org/apache/log/format/Formatter" 
Eric,

Thanks. Bugzilla entry is created for this.

- Kalyan

On Fri, May 9, 2008 at 7:26 PM, Eric Dillon <erdillon@xxxxxxxxx> wrote:
> Hi Kalyan,
>
> Glad to hear you were able to make progress!
>
> Configuring the logger properly seems indeed like a must. I confirm that we
> are not doing anything about the logger (it looks like you found the right
> spot in the code).
>
> Would you mind creating a bugzilla entry for this (probably cut-n-paste your
> reponse below as the content)? We will do a bit of investigation and will
> try to include this. The bugzilla will make it easier to track.
>
> Thanks,
> Eric
>
>
> On 5/9/08 6:18 AM, "KV" <kalyan.abbaraju@xxxxxxxxx> wrote:
>
>> Hi Steve/Eric,
>>
>>  Thanks for the replies.
>> Sorry, I was in a travel and could not check the mails.
>> I noticed that I have some problems with velocity macros (not all of
>> Iext are replaced and also Expander seems to be internal now. So, I
>> have to change the templates a bit).
>> The code generation is successful now.
>> I am also doing with a freshly installed eclipse.
>> But it looks like when ever there is a problem with velocity templates
>> this error is appearing as default velocity.properties is referring to
>> unavailable logger. This is not fatal to generation but it dumps error
>> in velocity.log
>>
>> I have request on the logger whether we can customize the same. I need
>> to have all logs under specified directory (including velocity.log).
>> Is there any possibility to provide this via "preferences" window?
>> Here is some info from velocity that helps with this.
>> http://velocity.apache.org/engine/releases/velocity-1.5/developer-guide.html#v
>> elocity_configuration_keys_and_values
>> http://velocity.apache.org/engine/releases/velocity-1.5/developer-guide.html#c
>> onfiguring_logging
>>
>> I checked part of tigerstipe source and found that only classpath and
>> resourceloaders seem to be customized for velocity. It would be useful
>> if the logger can be customizable too. Please let me know if this
>> sounds feasible.
>>
>> Thanks & Regards
>> Kalyan
>>
>> On Wed, May 7, 2008 at 7:37 PM, Steve Jerman (stjerman)
>> <stjerman@xxxxxxxxx> wrote:
>>> You also might want to use a fresh install of Eclipse. As Eric says we
>>> have never run into this problem. I wonder - what version of Eclipse are
>>> you using and do you have any other 'special' plugins installed? I
>>> wonder if it is a conflict with something else.
>>>
>>> Steve
>>>
>>> -----Original Message-----
>>> From: tigerstripe-users-bounces@xxxxxxxxxxx
>>> [mailto:tigerstripe-users-bounces@xxxxxxxxxxx] On Behalf Of KV
>>> Sent: Tuesday, May 06, 2008 5:29 PM
>>> To: Tigerstripe Users list
>>> Subject: Re: [tigerstripe-users] Velocity classloader
>>> error"java.lang.NoClassDefFoundError: org/apache/log/format/Formatter"
>>>
>>> Eric,
>>>
>>> I logged a request in bugzilla.
>>> I tried already with a clean workspace. I am planning to do it again and
>>> i will update on this.
>>>
>>> - Kalyan
>>>
>>> On Wed, May 7, 2008 at 12:39 AM, Eric Dillon <erdillon@xxxxxxxxx> wrote:
>>>> I am still confused. Why is it that you are running into this error,
>>>> when we  don't. We have been using this for close to a year in
>>> production at Cisco...
>>>>  And didn't encounter that problem, although both our models and
>>>> generation  plugins are quite involved.
>>>>
>>>>  How about starting from scratch? Have you tried to use a clean
>>>> workspace,  new project, simple template to isolate this issue?
>>>>
>>>>  The Velocity-1.5.jar that we include in the plugins is straight
>>>> out-of-the-box from the Apache velocity site (we can distribute the
>>>> binary  without touching it. Distributing a modified version would
>>>> need to be  reviewed by Eclipse Legal). We haven't had to change any
>>>> of the default  settings yet to my best knowledge.
>>>>
>>>>  Dumping the classpath of a generation plugin is certainly an option.
>>>> Would  you mind logging this as bug in Bugzilla? I could add this in
>>>> the code so  you could pick it up from a nightly build if that helps?
>>>>
>>>>  Eric
>>>>
>>>>
>>>>
>>>>  On 5/6/08 4:21 PM, "KV" <kalyan.abbaraju@xxxxxxxxx> wrote:
>>>>
>>>>> Hi Eric,
>>>>>
>>>>
>>>>
>>>>> Thanks for the details. I got a picture on the lib directory.
>>>>> As you suggested I tried to add this Avalon logging jar to my
>>>> plug-in  > dependency list velocity did not pick up. May be I have
>>>> done some  > thing wrong. I still have to check on this.
>>>>>
>>>>>> From the stack trace, class loading seems to be failing in  >
>>>> VelocityEngine.init() itself. I do not think macro execution started
>>>>>  at all. But to confirm it I am trying to debug it further.
>>>>>  Based on velocity manuals (links below) and velocity-1.5 source
>>>> code,  >  the default value for the log class is Apache Avalon. since
>>>> the  >  relevant jar is not present velocity initialization is
>>> failing.
>>>>>
>>>>>
>>>> http://velocity.apache.org/engine/releases/velocity-1.5/developer-guid
>>>> e.html#v  > elocity_configuration_keys_and_values
>>>>>
>>>>>
>>>> http://velocity.apache.org/engine/releases/velocity-1.5/developer-guid
>>>> e.html#c
>>>>> onfiguring_logging
>>>>>
>>>>>  For your reference, here is the content from  >  >
>>>> velocity-1.5\src\java\org\apache\velocity\runtime\defaults\velocity.pr
>>>> operties
>>>>>  runtime.log.logsystem.class =
>>>>>
>>>>>
>>>> org.apache.velocity.runtime.log.AvalonLogChute,org.apache.velocity.run
>>>> time.log  > .Log4JLogChute,org.apache.velocity.runtime.log.JdkLogChute
>>>>>  runtime.log = velocity.log
>>>>>
>>>>>   I have some more questions:
>>>>>   - Based on the above information is there any possibility of
>>>>> changing run time logger for velocity in tigerstripe? At least can
>>>> it  > be a
>>>>>   minor requirement for future releases?
>>>>>   - Is there any way to dump the classpath in tigerstipe.log or
>>> some
>>>>>   other log during the plugin generation?
>>>>>
>>>>>   Regards
>>>>>   Kalyan
>>>>>
>>>>>
>>>>>>  On Tue, May 6, 2008 at 11:03 PM, Eric Dillon <erdillon@xxxxxxxxx>
>>> wrote:
>>>>>>> Hi Kalyan,
>>>>>>>
>>>>>>>  See my comments/responses inline.
>>>>>>>
>>>>>>>  Still, I'm surprise we haven't run into this here. Are you able
>>>> to figure  >>>  out what is the trigger of all this in the velocity
>>> templates you're using?
>>>>>>>
>>>>>>>  Eric
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>  On 5/6/08 2:52 PM, "KV" <kalyan.abbaraju@xxxxxxxxx> wrote:
>>>>>>>
>>>>>>>> Hi Eric,
>>>>>>>>
>>>>>>>> Yes. The generation is completely failing. I did ensure that I
>>>> am  >>>> using only one velocity jar file.
>>>>>>>> And also I have posted this question in velocity users list
>>>> also. But  >>>> at the moment i did not get any new answer. I am
>>>> currently planning to  >>>> check the following two options.
>>>>>>>>
>>>>>>>> 1) Include the relevant jar
>>>>>>>> I checked for the class "org/apache/log/format/Formatter" and I
>>>> found  >>>> it in avalon-logkit-current.jar from apache.
>>>>>>>> I downloaded this jar and copied to tigerstripe/lib directory to
>>>
>>>>>>>> verify it works. But no luck.
>>>>>>>  Well, the tigerstripe/lib is only used when running Tigerstripe
>>>> headless  >>>  (i.e. Outside of the IDE from Maven e.g.). So if you
>>>> added the .jar there  >>> it  >>>  would not have been picked up.
>>>>>>>  You want to package it with your generation plugin as an
>>>> additional  >>>  classpath entry. This way the content of the .jar is
>>>> going to be available  >>>  to velocity at runtime. To do so, copy it
>>> in your generation project.
>>>>>>>  Open the ts-plugin.xml and on the "runtime" tab, add the .jar as
>>>
>>>> a  >>> classpath  >>>  entry. Save the ts-plugin.xml file.
>>>>>>>
>>>>>>>  Try to re-deploy and run.
>>>>>>>
>>>>>>>
>>>>>>>>
>>>>>>>> 2) Check with velocity if another log instance can be used. for
>>>> example  >>>> log4j.
>>>>>>>> At the moment i am working on this. I can update you once I am
>>>>>>>> successful in this.
>>>>>>>>
>>>>>>>> But I would like to understand the relevance of tigerstripe/lib
>>>
>>>>>>>> directory under eclipse? Can you please enlighten me under what
>>>>>>>> circumstances  I can use this directory?
>>>>>>>> Also if you have any other suggestions it would help me a lot.
>>>>>>>  As mentioned above, this tigerstripe/lib is only relevant when
>>>> running  >>>  headless. Any .jar that needs to be visible from a
>>>> generation plugin should  >>>  be packaged as an additional classpath
>>> entry as explained above.
>>>>>>>
>>>>>>>  This was designed so that you can include any .jar in the code
>>>> of a  >>>  generation plugin.
>>>>>>>
>>>>>>>
>>>>>>>>
>>>>>>>> Thanks & Best Regards
>>>>>>>> Kalyan
>>>>>>>>
>>>>>>>> On Tue, May 6, 2008 at 5:30 PM, Eric Dillon <erdillon@xxxxxxxxx>
>>> wrote:
>>>>>>>>> Hi Kalyan,
>>>>>>>>>
>>>>>>>>>  I am afraid I don't know what is going on here. I am tempted
>>>> however to  >>>>>  blame it on velocity :-).
>>>>>>>>>
>>>>>>>>>  I did google the exception and saw your post on some other
>>>> forum. I saw a  >>>>>  note there about having multiple instances of
>>>> the velocity-1.5.jar which  >>>>> is  >>>>>  not the case here.
>>>>>>>>>
>>>>>>>>>  Now, what are the symptoms of the error (beyond the log in the
>>> mail)?
>>>>>>>>> Does
>>>>>>>>>  your generation fail completely?
>>>>>>>>>
>>>>>>>>>  Eric
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>  On 5/2/08 11:54 AM, "KV" <kalyan.abbaraju@xxxxxxxxx> wrote:
>>>>>>>>>
>>>>>>>>>> Hi,
>>>>>>>>>>
>>>>>>>>>>  I am getting the following class loader error while doing the
>>>
>>>> code  >>>>>> generation with my plugin. I tried to include both log4j
>>>> and  >>>>>> commons-logging explicitly to project class path. But it
>>> did not help.
>>>>>>>>>>
>>>>>>>>>> Can you please suggest a solution?
>>>>>>>>>> 2008-05-02 19:41:51,515 - Log4JLogChute initialized using file
>>>
>>>>>>>>>> 'velocity.log'
>>>>>>>>>> 2008-05-02 19:41:51,515 - Starting Apache Velocity v1.5
>>> (compiled:
>>>>>>>>>> 2007-02-22 08:52:29)
>>>>>>>>>> 2008-05-02 19:41:51,515 - Default Properties File:
>>>>>>>>>> org\apache\velocity\runtime\defaults\velocity.properties
>>>>>>>>>> 2008-05-02 19:41:51,515 - Trying to use logger class  >>>>>>
>>>> org.apache.velocity.runtime.log.AvalonLogChute
>>>>>>>>>> 2008-05-02 19:41:51,515 - Couldn't find class  >>>>>>
>>>> org.apache.velocity.runtime.log.AvalonLogChute or necessary supporting
>>>
>>>>>>>>>> classes in classpath.
>>>>>>>>>> java.lang.NoClassDefFoundError:
>>>> org/apache/log/format/Formatter  >>>>>> at
>>>> java.lang.Class.forName0(Native Method)  >>>>>> at
>>>> java.lang.Class.forName(Unknown Source)  >>>>>> at
>>>> org.apache.velocity.util.ClassUtils.getClass(ClassUtils.java:63)
>>>>>>>>>> at
>>>> org.apache.velocity.util.ClassUtils.getNewInstance(ClassUtils.java:95)
>>>>>>>>>> at
>>>>>>>>>>
>>>> org.apache.velocity.runtime.log.LogManager.createLogChute(LogManager.j
>>>> ava
>>>>>>>>>> :14
>>>>>>>>>> 7)
>>>>>>>>>> at
>>>>>>>>>>
>>>> org.apache.velocity.runtime.log.LogManager.updateLog(LogManager.java:2
>>>> 08)
>>>>>>>>>> at
>>>>>>>>>>
>>>> org.apache.velocity.runtime.RuntimeInstance.initializeLog(RuntimeInsta
>>>> nce
>>>>>>>>>> .ja
>>>>>>>>>> va
>>>>>>>>>> :728)
>>>>>>>>>> at
>>>>>>>>>>
>>>>
>>>> org.apache.velocity.runtime.RuntimeInstance.init(RuntimeInstance.java:
>>>> 240>>>>>>
>>>>  )
>>>>>>>>>> at
>>>>>>>>>>
>>>>
>>>> org.apache.velocity.runtime.RuntimeInstance.init(RuntimeInstance.java:
>>>> 534>>>>>>
>>>>  )
>>>>>>>>>> at
>>>> org.apache.velocity.app.VelocityEngine.init(VelocityEngine.java:144)
>>>>>>>>>> at
>>>>>>>>>>
>>>> org.eclipse.tigerstripe.workbench.internal.core.project.pluggable.rule
>>>> s.T
>>>>>>>>>> emp
>>>>>>>>>> la
>>>>>>>>>>
>>>> teBasedRule.setClasspathLoaderForVelocity(TemplateBasedRule.java:329)
>>>>>>>>>> at
>>>>>>>>>>
>>>> org.eclipse.tigerstripe.workbench.internal.core.project.pluggable.rule
>>>> s.A
>>>>>>>>>> rti
>>>>>>>>>> fa
>>>>>>>>>> ctBasedRule.trigger(ArtifactBasedRule.java:192)
>>>>>>>>>> at
>>>>>>>>>>
>>>> org.eclipse.tigerstripe.workbench.internal.core.plugin.pluggable.Plugi
>>>> nRu
>>>>>>>>>> leE
>>>>>>>>>> xe
>>>>>>>>>> cutor.trigger(PluginRuleExecutor.java:102)
>>>>>>>>>> at
>>>>>>>>>>
>>>> org.eclipse.tigerstripe.workbench.internal.core.plugin.pluggable.Plugg
>>>> abl
>>>>>>>>>> ePl
>>>>>>>>>> ug
>>>>>>>>>> in.trigger(PluggablePlugin.java:123)
>>>>>>>>>> at
>>>>>>>>>>
>>>> org.eclipse.tigerstripe.workbench.internal.core.plugin.PluginHousing.t
>>>> rig
>>>>>>>>>> ger
>>>>>>>>>> (P
>>>>>>>>>> luginHousing.java:40)
>>>>>>>>>> at
>>>>>>>>>>
>>>> org.eclipse.tigerstripe.workbench.internal.core.plugin.PluginConfig.tr
>>>> igg
>>>>>>>>>> er(
>>>>>>>>>> Pl
>>>>>>>>>> uginConfig.java:250)
>>>>>>>>>> at
>>>>>>>>>>
>>>> org.eclipse.tigerstripe.workbench.internal.core.generation.M1Generator
>>>> .in
>>>>>>>>>> ter
>>>>>>>>>> na
>>>>>>>>>> lPluginLoop(M1Generator.java:610)  >>>>>> at  >>>>>>
>>>> org.eclipse.tigerstripe.workbench.internal.core.generation.M1Generator
>>>> .in
>>>>>>>>>> ter
>>>>>>>>>> na
>>>>>>>>>> lRun(M1Generator.java:553)
>>>>>>>>>> at
>>>>>>>>>>
>>>> org.eclipse.tigerstripe.workbench.internal.core.generation.M1Generator
>>>> .ru
>>>>>>>>>> n(M
>>>>>>>>>> 1G
>>>>>>>>>> enerator.java:350)
>>>>>>>>>> at
>>>>>>>>>>
>>>> org.eclipse.tigerstripe.workbench.eclipse.wizards.generate.NewTigerstr
>>>> ipe
>>>>>>>>>> Run
>>>>>>>>>> Wi
>>>>>>>>>> zard.finishPage(NewTigerstripeRunWizard.java:131)
>>>>>>>>>> at
>>>>>>>>>>
>>>> org.eclipse.tigerstripe.workbench.eclipse.wizards.NewTSElementWizard$2
>>>> .ru
>>>>>>>>>> n(N
>>>>>>>>>> ew
>>>>>>>>>> TSElementWizard.java:193)
>>>>>>>>>> at
>>>>>>>>>>
>>>> org.eclipse.jdt.internal.core.BatchOperation.executeOperation(BatchOpe
>>>> rat
>>>>>>>>>> ion
>>>>>>>>>> .j
>>>>>>>>>> ava:39)
>>>>>>>>>> at
>>>>>>>>>>
>>>> org.eclipse.jdt.internal.core.JavaModelOperation.run(JavaModelOperatio
>>>> n.j
>>>>>>>>>> ava
>>>>>>>>>> :7
>>>>>>>>>> 20)
>>>>>>>>>> at
>>>> org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1797)
>>>>>>>>>> at org.eclipse.jdt.core.JavaCore.run(JavaCore.java:4466)
>>>>>>>>>> at
>>>>>>>>>>
>>>> org.eclipse.jdt.internal.ui.actions.WorkbenchRunnableAdapter.run(Workb
>>>> enc
>>>>>>>>>> hRu
>>>>>>>>>> nn
>>>>>>>>>> ableAdapter.java:87)
>>>>>>>>>> at
>>>>>>>>>>
>>>> org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalC
>>>> ont
>>>>>>>>>> ext
>>>>>>>>>> .j
>>>>>>>>>> ava:113)
>>>>>>>>>> 2008-05-02 19:41:51,515 - Trying to use logger class  >>>>>>
>>>> org.apache.velocity.runtime.log.Log4JLogChute
>>>>>>>>>> 2008-05-02 19:41:51,515 - Using logger class  >>>>>>
>>>> org.apache.velocity.runtime.log.Log4JLogChute
>>>>>>>>>> 2008-05-02 19:41:51,515 - Default ResourceManager
>>>> initializing. (class  >>>>>>
>>>> org.apache.velocity.runtime.resource.ResourceManagerImpl)
>>>>>>>>>> 2008-05-02 19:41:51,515 - ResourceLoader instantiated:
>>>>>>>>>> org.apache.velocity.runtime.resource.loader.FileResourceLoader
>>>>>>>>>>
>>>>>>>>>> Regards
>>>>>>>>>> Kalyan
>>>>>>>>>> _______________________________________________
>>>>>>>>>> tigerstripe-users mailing list  >>>>>>
>>>> tigerstripe-users@xxxxxxxxxxx  >>>>>>
>>>> https://dev.eclipse.org/mailman/listinfo/tigerstripe-users
>>>>>>>>>
>>>>>>>>>  _______________________________________________
>>>>>>>>>  tigerstripe-users mailing list  >>>>>
>>>> tigerstripe-users@xxxxxxxxxxx  >>>>>
>>>> https://dev.eclipse.org/mailman/listinfo/tigerstripe-users
>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>>  _______________________________________________
>>>>>>>  tigerstripe-users mailing list
>>>>>>>  tigerstripe-users@xxxxxxxxxxx
>>>>>>>  https://dev.eclipse.org/mailman/listinfo/tigerstripe-users
>>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>>  Kalyan Abbaraju
>>>>>>  Home +91 8066649703
>>>>>>  Mobile +91 99005 16895
>>>>>>
>>>>>
>>>>>
>>>>
>>>>  _______________________________________________
>>>>  tigerstripe-users mailing list
>>>>  tigerstripe-users@xxxxxxxxxxx
>>>>  https://dev.eclipse.org/mailman/listinfo/tigerstripe-users
>>>>
>>>
>>>
>>>
>>> --
>>> Kalyan Abbaraju
>>> Home +91 8066649703
>>> Mobile +91 99005 16895
>>> _______________________________________________
>>> tigerstripe-users mailing list
>>> tigerstripe-users@xxxxxxxxxxx
>>> https://dev.eclipse.org/mailman/listinfo/tigerstripe-users
>>> _______________________________________________
>>> tigerstripe-users mailing list
>>> tigerstripe-users@xxxxxxxxxxx
>>> https://dev.eclipse.org/mailman/listinfo/tigerstripe-users
>>>
>>
>>
>
> _______________________________________________
> tigerstripe-users mailing list
> tigerstripe-users@xxxxxxxxxxx
> https://dev.eclipse.org/mailman/listinfo/tigerstripe-users
>



-- 
Kalyan Abbaraju
Home +91 8066649703
Mobile +91 99005 16895

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