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