ovirt-engine build failure

Sandro Bonazzola sbonazzo at redhat.com
Thu Feb 20 15:39:59 UTC 2014 

Il 20/02/2014 13:34, Vojtech Szocs ha scritto:
> 
> 
> ----- Original Message -----
>> From: "Sandro Bonazzola" <sbonazzo at redhat.com>
>> To: "Vojtech Szocs" <vszocs at redhat.com>
>> Cc: "Eyal Edri" <eedri at redhat.com>, "Juan Hernandez" <jhernand at redhat.com>, "Kiril Nesenko" <knesenko at redhat.com>,
>> "arch" <arch at ovirt.org>
>> Sent: Thursday, February 20, 2014 10:02:00 AM
>> Subject: Re: ovirt-engine build failure
>>
>> Il 19/02/2014 16:51, Vojtech Szocs ha scritto:
>>>
>>>
>>> ----- Original Message -----
>>>> From: "Sandro Bonazzola" <sbonazzo at redhat.com>
>>>> To: "Vojtech Szocs" <vszocs at redhat.com>
>>>> Cc: "Eyal Edri" <eedri at redhat.com>, "Juan Hernandez"
>>>> <jhernand at redhat.com>, "Kiril Nesenko" <knesenko at redhat.com>,
>>>> "arch" <arch at ovirt.org>
>>>> Sent: Wednesday, February 19, 2014 2:43:44 PM
>>>> Subject: Re: ovirt-engine build failure
>>>>
>>>> Il 19/02/2014 14:41, Vojtech Szocs ha scritto:
>>>>>
>>>>>
>>>>> ----- Original Message -----
>>>>>> From: "Sandro Bonazzola" <sbonazzo at redhat.com>
>>>>>> To: "Vojtech Szocs" <vszocs at redhat.com>
>>>>>> Cc: "Eyal Edri" <eedri at redhat.com>, "Juan Hernandez"
>>>>>> <jhernand at redhat.com>, "Kiril Nesenko" <knesenko at redhat.com>,
>>>>>> "arch" <arch at ovirt.org>
>>>>>> Sent: Wednesday, February 19, 2014 2:23:16 PM
>>>>>> Subject: Re: ovirt-engine build failure
>>>>>>
>>>>>> Il 19/02/2014 14:19, Vojtech Szocs ha scritto:
>>>>>>>
>>>>>>>
>>>>>>> ----- Original Message -----
>>>>>>>> From: "Sandro Bonazzola" <sbonazzo at redhat.com>
>>>>>>>> To: "Vojtech Szocs" <vszocs at redhat.com>
>>>>>>>> Cc: "Eyal Edri" <eedri at redhat.com>, "Juan Hernandez"
>>>>>>>> <jhernand at redhat.com>, "Kiril Nesenko" <knesenko at redhat.com>,
>>>>>>>> "arch" <arch at ovirt.org>
>>>>>>>> Sent: Wednesday, February 19, 2014 1:18:28 PM
>>>>>>>> Subject: Re: ovirt-engine build failure
>>>>>>>>
>>>>>>>> Il 19/02/2014 12:45, Vojtech Szocs ha scritto:
>>>>>>>>> Hi, I checked GWT sources:
>>>>>>>>>
>>>>>>>>>> [INFO] java.lang.NullPointerException: No ImageRect ever computed
>>>>>>>>>> for
>>>>>>>>>> removeBrickCommitRequired
>>>>>>>>>> [INFO] 	at
>>>>>>>>>> com.google.gwt.resources.rg.ImageResourceGenerator.createAssignment(ImageResourceGenerator.java:475)
>>>>>>>>>
>>>>>>>>> This happened because internal image cache for bundled (composite
>>>>>>>>> PNG)
>>>>>>>>> images was corrput.
>>>>>>>>> It seems to be caused by disk I/O error while reading file
>>>>>>>>> images/glusterAsyncTasks/remove_brick_commit_required.png
>>>>>>>>>
>>>>>>>>>> [INFO] java.lang.NullPointerException
>>>>>>>>>> [INFO] 	at
>>>>>>>>>> com.google.gwt.resources.rebind.context.InlineResourceContext.deploy(InlineResourceContext.java:40)
>>>>>>>>>
>>>>>>>>> This happened because image data was null, again possible disk I/O
>>>>>>>>> error
>>>>>>>>> while reading image file.
>>>>>>>>>
>>>>>>>>> Can we enable "TRACE" logging during GWT compilation?
>>>>>>>>>
>>>>>>>>>   -Dgwt.logLevel=TRACE
>>>>>>>>
>>>>>>>>
>>>>>>>> Building master right now with your suggestions here:
>>>>>>>> http://jenkins.ovirt.org/job/manual-build-tarball/227/
>>>>>>>
>>>>>>> Looking at
>>>>>>> http://jenkins.ovirt.org/job/manual-build-tarball/227/label=fedora20-host/console
>>>>>>>
>>>>>>> So far I see no errors.. There should be total 5 browsers x 8 locales =
>>>>>>> 40
>>>>>>> GWT permutations.
>>>>>>
>>>>>> So no changes with and without
>>>>>> -Dgwt.userAgent=ie8,ie9,gecko1_8,safari,opera.
>>>>>> We've still 40 permutations. Maybe you defined
>>>>>> userAgent=ie8,ie9,gecko1_8,safari,opera somewhere in the POM files?
>>>>>
>>>>> You are right. I checked frontend/webadmin/modules/pom.xml -> the
>>>>> "gwt.userAgent"
>>>>> property is copied into "locale" GWT property in
>>>>> {WebAdmin,UserPortal}.gwt.xml
>>>>
>>>> Ok, so I'll remove -Dgwt.userAgent=ie8,ie9,gecko1_8,safari,opera from
>>>> build
>>>> command.
>>>
>>> Agreed.
>>>
>>>>
>>>>
>>>>>
>>>>>>
>>>>>> This:
>>>>>> http://jenkins.ovirt.org/job/manual-build-tarball/227/label=centos6-host/console
>>>>>> failed, you can look at it, it has -Dgwt.logLevel=TRACE -X.
>>>>>
>>>>> Hm, it contains:
>>>>>
>>>>> [DEBUG]   (f) logLevel = INFO
>>>>>
>>>>> Somehow the TRACE log level for GWT wasn't applied.. not sure why. Let me
>>>>> check
>>>>> this on local build.
>>>>
>>>> Ok, let me know if I've to change command line.
>>>
>>> I wrote upstream patch: http://gerrit.ovirt.org/#/c/24789/
>>>
>>> When it's merged, setting "gwt.logLevel" will work (as you did before)
>>> and we'll be able to see more details in the build log.
>>
>> Here is the new build with your patch merged:
>>
>> http://jenkins.ovirt.org/job/manual-build-tarball/228/label=centos6-host/consoleFull
> 
> Thanks. I did some more investigation on this.
> 
> Again it's NullPointerException when rebinding ApplicationResources, but this time for different image file: ApplicationResources.wrenchImage ("images/wrench.png").
> 
> Looking at stacktrace & GWT sources, the problematic code seems to be (AbstractResourceContext:74):
> 
>   byte[] bytes = Util.readURLAsBytes(resource);
> 
> where "resource" is (ImageResourceGenerator:311):
> 
>   localized.getUrl(); // LocalizedImage localized
> 
> Note: in oVirt UI we don't use localized images (i.e. "wrench_fr_FR.png") so "localized" in this case points to "wrench.png".
> 
> So the problem seems to be reading this file:
> 
>   frontend/webadmin/modules/webadmin/src/main/resources/org/ovirt/engine/ui/webadmin/images/wrench.png
> 
> Since we're having many GWT permutations, this file ^^ (along with similar ones) is attempted to be read multiple times *from the same (single) GWT compiler Java process, before actual permutation worker Java sub-processes are spawned*. (More precisely, above NullPointerException happens at deferred binding phase which precedes actual GWT compilation per each permutation.)
> 
> I think the root cause is Util.readURLAsBytes method used internally by GWT compiler:
> 
>   public static byte[] readURLAsBytes(URL url) {
>     try {
>       URLConnection conn = url.openConnection();
>       conn.setUseCaches(false);
>       return readURLConnectionAsBytes(conn);
>     } catch (IOException e) {
>       return null; // This causes NullPointerException, but this exception isn't logged (wtf, GWT!)
>     }
>   }
> 
> To summarize, I'll need to write another patch which replaces Util.readURLAsBytes implementation via AOP and prints IOException details.


Ok, let me know when that's ready for testing this again


> 
>>
>>
>>
>>
>>>
>>>>
>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>>
>>>>>>>>
>>>>>>>> # CI_MAVEN_SETTINGS=$WORKSPACE/artifactory-ovirt-org-settings.xml
>>>>>>>> # export MAVEN_OPTS="${MAVEN_OPTS} -Xmx2048M -XX:MaxPermSize=1024m
>>>>>>>> -Dgwt.compiler.localWorkers=1"
>>>>>>>> # rpmbuild -D "_topdir $(pwd)/rpmbuild" -ts "${TARBALL}"
>>>>>>>> # rpmbuild -D "_topdir $(pwd)/rpmbuild" -D "ovirt_build_extra_flags
>>>>>>>> -gs
>>>>>>>> ${CI_MAVEN_SETTINGS} -Dgwt.userAgent=ie8,ie9,gecko1_8,safari,opera
>>>>>>>> -Dgwt.logLevel=TRACE -X" --rebuild rpmbuild/SRPMS/*.src.rpm
>>>>>>>>
>>>>>>>> Let me know if you need anything else.
>>>>>>>>
>>>>>>>>
>>>>>>>>>
>>>>>>>>> Vojtech
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> ----- Original Message -----
>>>>>>>>>> From: "Vojtech Szocs" <vszocs at redhat.com>
>>>>>>>>>> To: "Sandro Bonazzola" <sbonazzo at redhat.com>
>>>>>>>>>> Cc: "Eyal Edri" <eedri at redhat.com>, "Juan Hernandez"
>>>>>>>>>> <jhernand at redhat.com>, "Kiril Nesenko" <knesenko at redhat.com>,
>>>>>>>>>> "arch" <arch at ovirt.org>
>>>>>>>>>> Sent: Tuesday, February 18, 2014 6:54:20 PM
>>>>>>>>>> Subject: Re: ovirt-engine build failure
>>>>>>>>>>
>>>>>>>>>> In your log I see following error:
>>>>>>>>>>
>>>>>>>>>> ...
>>>>>>>>>> [INFO]    Computing all possible rebind results for
>>>>>>>>>> 'org.ovirt.engine.ui.webadmin.ApplicationResources'
>>>>>>>>>> [INFO]       Rebinding
>>>>>>>>>> org.ovirt.engine.ui.webadmin.ApplicationResources
>>>>>>>>>> [INFO]          Invoking generator
>>>>>>>>>> com.google.gwt.resources.rebind.context.InlineClientBundleGenerator
>>>>>>>>>> [INFO]             [ERROR] Generator
>>>>>>>>>> 'com.google.gwt.resources.rebind.context.InlineClientBundleGenerator'
>>>>>>>>>> threw
>>>>>>>>>> an exception while rebinding
>>>>>>>>>> 'org.ovirt.engine.ui.webadmin.ApplicationResources'
>>>>>>>>>> [INFO] java.lang.NullPointerException: No ImageRect ever computed
>>>>>>>>>> for
>>>>>>>>>> removeBrickCommitRequired
>>>>>>>>>> [INFO] 	at
>>>>>>>>>> com.google.gwt.resources.rg.ImageResourceGenerator.createAssignment(ImageResourceGenerator.java:475)
>>>>>>>>>> ...
>>>>>>>>>>
>>>>>>>>>> I checked again logs at
>>>>>>>>>> http://jenkins.ovirt.org/job/manual-build-tarball/212/label=fedora19-host/consoleFull
>>>>>>>>>> and indeed there is a similar error:
>>>>>>>>>>
>>>>>>>>>> ...
>>>>>>>>>> [INFO]    Computing all possible rebind results for
>>>>>>>>>> 'org.ovirt.engine.ui.webadmin.ApplicationResources'
>>>>>>>>>> [INFO]       Rebinding
>>>>>>>>>> org.ovirt.engine.ui.webadmin.ApplicationResources
>>>>>>>>>> [INFO]          Invoking generator
>>>>>>>>>> com.google.gwt.resources.rebind.context.InlineClientBundleGenerator
>>>>>>>>>> [INFO]             [ERROR] Generator
>>>>>>>>>> 'com.google.gwt.resources.rebind.context.InlineClientBundleGenerator'
>>>>>>>>>> threw
>>>>>>>>>> an exception while rebinding
>>>>>>>>>> 'org.ovirt.engine.ui.webadmin.ApplicationResources'
>>>>>>>>>> [INFO] java.lang.NullPointerException
>>>>>>>>>> [INFO] 	at
>>>>>>>>>> com.google.gwt.resources.rebind.context.InlineResourceContext.deploy(InlineResourceContext.java:40)
>>>>>>>>>> ...
>>>>>>>>>>
>>>>>>>>>> NullPointerException when processing ApplicationResources but
>>>>>>>>>> occuring
>>>>>>>>>> from
>>>>>>>>>> different places (ImageResourceGenerator vs. InlineResourceContext)
>>>>>>>>>>
>>>>>>>>>> Now I understand why Maven build fails without any details:
>>>>>>>>>> - GWT deferred binding fails for ApplicationResources (i.e. uncaught
>>>>>>>>>> NPE)
>>>>>>>>>> - GWT compilation proceeds, fails to link with ApplicationResources
>>>>>>>>>> - GWT compilation task fails with non-OK status code
>>>>>>>>>>
>>>>>>>>>> So the issue here is GWT deferred binding generator
>>>>>>>>>> (InlineClientBundleGenerator) failure during GWT compilation.
>>>>>>>>>>
>>>>>>>>>> GWT compiler writes extra Java files during deferred binding
>>>>>>>>>> phase, so this could point to issue with local environment..
>>>>>>>>>>
>>>>>>>>>> I will try to investigate this and look at GWT source code.
>>>>>>>>
>>>>>>>>
>>>>>>>> --
>>>>>>>> Sandro Bonazzola
>>>>>>>> Better technology. Faster innovation. Powered by community
>>>>>>>> collaboration.
>>>>>>>> See how it works at redhat.com
>>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Sandro Bonazzola
>>>>>> Better technology. Faster innovation. Powered by community
>>>>>> collaboration.
>>>>>> See how it works at redhat.com
>>>>>>
>>>>
>>>>
>>>> --
>>>> Sandro Bonazzola
>>>> Better technology. Faster innovation. Powered by community collaboration.
>>>> See how it works at redhat.com
>>>>
>>
>>
>> --
>> Sandro Bonazzola
>> Better technology. Faster innovation. Powered by community collaboration.
>> See how it works at redhat.com
>>


-- 
Sandro Bonazzola
Better technology. Faster innovation. Powered by community collaboration.
See how it works at redhat.com

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