17 messages in org.apache.cocoon.devRe: c3: null pointer exception in Res...| From | Sent On | Attachments |
|---|---|---|
| Thorsten Scherler | Mar 26, 2012 9:46 am | |
| Lars Huttar | Mar 26, 2012 10:08 am | |
| Lars Huttar | Mar 26, 2012 10:12 am | |
| Thorsten Scherler | Mar 26, 2012 3:39 pm | |
| Thorsten Scherler | Mar 26, 2012 3:57 pm | |
| Lars Huttar | Mar 27, 2012 11:15 am | |
| Lars Huttar | Mar 27, 2012 11:47 am | |
| Thorsten Scherler | Mar 27, 2012 3:13 pm | |
| Javier Puerto | Mar 28, 2012 1:10 am | |
| Robby Pelssers | Mar 28, 2012 1:50 am | |
| Lars Huttar | Mar 28, 2012 7:49 am | |
| Lars Huttar | Mar 28, 2012 7:52 am | |
| Javier Puerto | Mar 30, 2012 10:32 am | |
| Lars Huttar | Mar 30, 2012 3:51 pm | |
| Javier Puerto | Mar 31, 2012 4:07 am | |
| Lars Huttar | Mar 31, 2012 4:47 am | |
| Francesco Chicchiriccò | Apr 3, 2012 2:45 am |
| Subject: | Re: c3: null pointer exception in ResponseHeaderCollector.isModifiedResponse | |
|---|---|---|
| From: | Thorsten Scherler (sche...@gmail.com) | |
| Date: | Mar 26, 2012 9:46:50 am | |
| List: | org.apache.cocoon.dev | |
On 03/26/2012 04:49 PM, Francesco Chicchiriccò wrote:
On 26/03/2012 16:42, Lars Huttar wrote:
I sent this email at the start of the weekend, so it may not have been seen much. However the NPE is blocking progress, so I'd like to see if anyone can help me with it. Anybody have ideas?
Lars, do you have any chance to share your project somewhere (github, gitorius...) so that it would be much easier to take a look at it?
After the difficulties of the last week or two, I'm starting to wonder if we'd be better off going back to Cocoon 2.1.11. A colleague asked me, why take the risk and time to move to Cocoon 3, when we have Cocoon 2.1.11 working well? I gave the standard "2.1.11 is several years old and will be increasingly unsupported" answer, but I had to admit that the decision was not looking as good now as it seemed last summer when C3 had a recent new alpha and even a beta candidate.
Please don't take this as criticism of the Cocoon developers ... I have been continually impressed at the readiness of the committers to debug problems quickly and implement fixes. However I do wonder whether there is just too much debugging left, to reach a stable state in time for our work. Also I am concerned that since there doesn't seem to be a roadmap for feature freeze, there may be no point at which bugs will settle down so that a stable release can be completed.
Cocoon 3 is alpha state, but you are working on a SNAPSHOT release of beta-1: this means that Cocoon 3.0 does not pretend - yet - to be officially stable.
Despite of this, I can assure that my company and at least a couple of other companies have several production applications based on Cocoon 3.0, so my suggestion would be "keep pushing" ;-)
This said, I should have said much earlier something but the discussion about c3 belongs on the dev list until we have an official release. If you want to keep up with your development I strongly recommend to sync c3 trunk regular.
Now to the NPE, without seeing the code is hard to say something but
<!-- {map:1} = generator name, {map:2} = param, {map:3} = value --> <map:match pattern="generator/*/*/*/source"> <map:generate src="generators/{map:1}.xml" /> <map:serialize type="xml"/> </map:match>
resolves
2012-03-23 14:33:30,598 DEBUG 11202659@qtp-14536088-0 org.apache.cocoon.sitemap.node.MatchNode$MatcherContext - Matching: expression=generator/*/*/*/source, testValue=generator/languages-in-country/country_id/77/source, result={3=77, 2=country_id, 1=languages-in-country, 0=generator/languages-in-country/country_id/77/source} 2012-03-23 14:33:30,598 DEBUG 11202659@qtp-14536088-0 org.apache.cocoon.sitemap.node.AbstractSitemapNode - GenerateNode(src=generators/{map:1}.xml, type=url).invoke(/generator/languages-in-country/country_id/77/source) 2012-03-23 14:33:30,598 DEBUG 11202659@qtp-14536088-0 org.apache.cocoon.pipeline.AbstractPipeline - Adding component XMLGenerator(hashCode=29969233 internalGenerator=URLGenerator(hashCode=19145797 source=file:/C:/Users/HuttarL/Documents/work/c3/theParent/ethnologue-17-pub/src/main/resources/COB-INF/generators/languages-in-country.xml)) to pipeline [CachingPipeline(hashCode=7335482 components=[])]. 2012-03-23 14:33:30,598 DEBUG 11202659@qtp-14536088-0 org.apache.cocoon.sitemap.node.AbstractSitemapNode - SerializeNode(type=xml).invoke(/generator/languages-in-country/country_id/77/source)
So goes there should be a file generators/languages-in-country.xml which you said exists.
What does <map:generate src="generators/languages-in-country.xml" /> gives you if you add it directly?
It is really weird since we are talking about
public static boolean isModifiedResponse() { return (Boolean) collectorDataStore.get(KEY_PIPELINE_EXECUTED); }
So either collectorDataStore is null (what should not since it gets instanced on start) or the result of the get which points to that the pipeline-executed infos got lost.
I never saw this behavior before let us see what the direct use test gives.
salu2
-- Thorsten Scherler<scherler.at.gmail.com> codeBusters S.L. - web based systems <consulting, training and solutions>