On 15 Apr 2015, at 18:20, Lincoln Baxter, III wrote: Just to follow up on this, Max. We basically need a new release of JBoss > Tools to include Forge Tools, which had some bad OSGi configuration that > was preventing this from working. > so our next release is code freezing tomorrow for JBDS 9 alpha2. I suggest you get that in. If you need it for JBDS 8/JBoss Tools 4.2.x then that is more of a hassle ... /max > We got that fixed in Forge Tools master and it's resolved now. > > On Tue, Apr 7, 2015 at 3:21 AM, <windup-dev-bounces(a)lists.jboss.org&gt; > wrote: > > The attached message has been automatically discarded. >> >> ---------- Forwarded message ---------- >> From: Max Rydahl Andersen <manderse(a)redhat.com&gt; >> To: Pete Muir <pmuir(a)redhat.com&gt; >> Cc: Ian Tewksbury <itewk(a)redhat.com&gt;, Windup-dev List < >> windup-dev(a)lists.jboss.org&gt;, Tobias Hartwig <thartwig(a)redhat.com&gt;, >> Lincoln Baxter III <lbaxter(a)redhat.com&gt;, Jess Sightler < >> jsightle(a)redhat.com&gt;, Koen Aers <kaers(a)redhat.com&gt;, George Gastaldi < >> ggastald(a)redhat.com&gt; >> Date: Tue, 07 Apr 2015 09:21:33 +0200 >> Subject: Re: [windup-dev] previously initiated loading for a different >> type with name "org/jboss/forge/furnace/util/Predicate" >> Haven't heard anything back on this. Is is solved ? >> >> Anything I can/need to do ? >> >> /max >> >> Is there a bug where we can add/share info instead of email ? >> >>> >>> How do I reproduce this ? >>> >>> I haven't used the latest windup tooling so could use some guidance. >>> >>> And I can try take a look after (if lucky during) next week Newcastle >>> meetup. >>> >>> ...but my guess is this is more a Lincoln question since he is the >>> Furnace class loader master mind :) >>> >>> ...btw. any reason why we don't just run windup externally from the >>> eclipse tooling and avoid any >>> of this stuff ? >>> >>> /max >>> >>> Adding Koen and George who may be able to help. Dropping Cat and Burr >>> :-) >>> >>>> >>>> On 27 Mar 2015, at 12:38, Ian Tewksbury <itewk(a)redhat.com&gt; wrote: >>>> >>>>> >>>>> Adding resources from the JBDS team in case they were interested in >>>>> trying to help solve these class loading issues. >>>>> >>>>> Blue Skies, >>>>> ~Ian >>>>> >>>>> From: "Ian Tewksbury" <itewk(a)redhat.com&gt; >>>>> To: "Lincoln Baxter" <lbaxter(a)redhat.com&gt;, "Jess Sightler" < >>>>> jsightle(a)redhat.com&gt;, "Pete Muir" <pmuir(a)redhat.com&gt; >>>>> Cc: "Windup-dev List" <windup-dev(a)lists.jboss.org&gt; >>>>> Sent: Friday, March 27, 2015 8:35:15 AM >>>>> Subject: [windup-dev] previously initiated loading for a different >>>>> type >>>>> with name "org/jboss/forge/furnace/util/Predicate" >>>>> >>>>> Lincoln and Jess, >>>>> >>>>> I have spent another evening trying to defeat this class loading error >>>>> with no luck. >>>>> >>>>> What I have tried: >>>>> Debugging CompositeFurnaceClassLoader >>>>> changed #loadClass to #findClass as per ClassLoader suggestion, didn't >>>>> help >>>>> put break point in #findClass to see how many times it is called for >>>>> org.jboss.forge.furnace.util.Predicate, it is only being called once, >>>>> and on that one call it is failing with the LinkageError, this makes 0 >>>>> sense to me since the error says that it has already been loaded >>>>> Tried various combinations of checking to see if the class has already >>>>> been loaded, no luck >>>>> Tried creating a cache of already loaded classes, didn't help, which >>>>> makes sense because the #findClass method (or #loadClass if you dont >>>>> use my >>>>> change) only gets called once for this class. >>>>> I have updated the windup-eclipse plugin to use the latest furnace >>>>> version, 2.15.2.Final, didn't make a difference >>>>> I have updated the windup-eclipse plugin to use the latest Windup >>>>> 2.2.0 >>>>> Release, plus my changes to add default constructor to WindupService >>>>> and >>>>> FileService >>>>> I have stopped using my custom loadType function I was talking about >>>>> earlier, that was a red hearing I believe >>>>> I have spent hours googling this error message with no solution path >>>>> to >>>>> be fund >>>>> At this point I am totally blocked. I don't know what to try next. >>>>> >>>>> My latest code is here: >>>>> >>>>> plugin - https://github.com/windup/windup-eclipse-plugin/tree/windup2 >>>>> < >>>>> https://github.com/windup/windup-eclipse-plugin/tree/windup2> >>>>> windup - https://github.com/itewk/windup/tree/windup-eclipse < >>>>> https://github.com/itewk/windup/tree/windup-eclipse> >>>>> * as a reminder you can't use SNAPSHOT versions for WINDUP when >>>>> compiling the windup eclipse plugin with local changes to Windup >>>>> because it >>>>> will always pull the snapshot from the remote repository and ignore >>>>> your >>>>> local changes, unless using releases in which case maven looks at the >>>>> local >>>>> repo first >>>>> >>>>> Has anyone been able to try and reproduce this themselves yet? >>>>> Has anyone been able to look over my WindupServices class to make sure >>>>> I am properly using Forge/Furnace to access Windup? >>>>> >>>>> I am either doing something really dumb on my end when trying to >>>>> access >>>>> Windup or there is a bug/logic error with the >>>>> CompositeFurnaceClassLoader. >>>>> >>>>> Blue Skies, >>>>> ~Ian >>>>> >>>>> !ENTRY org.eclipse.core.jobs 4 2 2015-03-27 08:04:51.234 >>>>> !MESSAGE An internal error occurred during: "Validating". >>>>> !STACK 0 >>>>> java.lang.LinkageError: loader constraint violation: loader (instance >>>>> of org/jboss/tools/forge/core/internal/furnace/ >>>>> CompositeFurnaceClassLoader) >>>>> previously initiated loading for a different type with name >>>>> "org/jboss/forge/furnace/util/Predicate" >>>>> at java.lang.Class.getDeclaredMethods0(Native Method) >>>>> at java.lang.Class.privateGetDeclaredMethods(Class.java:2615) >>>>> at java.lang.Class.getDeclaredMethods(Class.java:1860) >>>>> at org.jboss.forge.furnace.proxy.javassist.util.proxy. >>>>> SecurityActions. >>>>> getDeclaredMethods(SecurityActions.java:30) >>>>> at org.jboss.forge.furnace.proxy.javassist.util.proxy. >>>>> RuntimeSupport.findMethod2(RuntimeSupport.java:134) >>>>> at org.jboss.forge.furnace.proxy.javassist.util.proxy. >>>>> RuntimeSupport.findMethod(RuntimeSupport.java:65) >>>>> at org.jboss.forge.furnace.proxy.javassist.util.proxy. >>>>> RuntimeSupport.find2Methods(RuntimeSupport.java:53) >>>>> at org.jboss.windup.exec.configuration.WindupConfiguration_$$_ >>>>> javassist_bdf99157-4ab9-4bb9-a9ec-03565e9d16d6.<clinit>( >>>>> WindupConfiguration_$$_javassist_bdf99157-4ab9-4bb9- >>>>> a9ec-03565e9d16d6.java) >>>>> at sun.misc.Unsafe.ensureClassInitialized(Native Method) >>>>> at sun.reflect.UnsafeFieldAccessorFactory.newFieldAccessor( >>>>> UnsafeFieldAccessorFactory.java:43) >>>>> at sun.reflect.ReflectionFactory.newFieldAccessor( >>>>> ReflectionFactory.java:140) >>>>> at java.lang.reflect.Field.acquireFieldAccessor(Field.java:1057) >>>>> at java.lang.reflect.Field.getFieldAccessor(Field.java:1038) >>>>> at java.lang.reflect.Field.set(Field.java:741) >>>>> at org.jboss.forge.furnace.proxy.javassist.util.proxy. >>>>> ProxyFactory.setField(ProxyFactory.java:525) >>>>> at org.jboss.forge.furnace.proxy.javassist.util.proxy. >>>>> ProxyFactory.createClass3(ProxyFactory.java:508) >>>>> at org.jboss.forge.furnace.proxy.javassist.util.proxy. >>>>> ProxyFactory.createClass2(ProxyFactory.java:492) >>>>> at org.jboss.forge.furnace.proxy.javassist.util.proxy. >>>>> ProxyFactory.createClass1(ProxyFactory.java:428) >>>>> at org.jboss.forge.furnace.proxy.javassist.util.proxy. >>>>> ProxyFactory.createClass(ProxyFactory.java:400) >>>>> at org.jboss.forge.furnace.proxy.ClassLoaderAdapterCallback$3.call( >>>>> ClassLoaderAdapterCallback.java:987) >>>>> at org.jboss.forge.furnace.util.ClassLoaders.executeIn( >>>>> ClassLoaders.java:42) >>>>> at org.jboss.forge.furnace.proxy.ClassLoaderAdapterCallback.enhance( >>>>> ClassLoaderAdapterCallback.java:900) >>>>> at org.jboss.forge.furnace.proxy.ClassLoaderAdapterCallback. >>>>> enhanceResult(ClassLoaderAdapterCallback.java:253) >>>>> at org.jboss.forge.furnace.proxy.ClassLoaderAdapterCallback. >>>>> access$200( >>>>> ClassLoaderAdapterCallback.java:37) >>>>> at org.jboss.forge.furnace.proxy.ClassLoaderAdapterCallback$2.call( >>>>> ClassLoaderAdapterCallback.java:124) >>>>> at org.jboss.forge.furnace.util.ClassLoaders.executeIn( >>>>> ClassLoaders.java:42) >>>>> at org.jboss.forge.furnace.proxy.ClassLoaderAdapterCallback.invoke( >>>>> ClassLoaderAdapterCallback.java:96) >>>>> at org.jboss.forge.furnace.services.Imported_$$_ >>>>> javassist_48ac554d-8d60-4d09-8f17-c0a42f2c85b7.get( >>>>> Imported_$$_javassist_48ac554d-8d60-4d09-8f17-c0a42f2c85b7.java) >>>>> at org.jboss.tools.forge.core.furnace.FurnaceService.lookup( >>>>> FurnaceService.java:96) >>>>> at org.jboss.tools.windup.core.WindupService.getServiceFromFurnace( >>>>> WindupService.java:485) >>>>> at org.jboss.tools.windup.core.WindupService.generateGraph( >>>>> WindupService.java:226) >>>>> at org.jboss.tools.windup.core.WindupService.getGraph( >>>>> WindupService.java:301) >>>>> at org.jboss.tools.windup.core.WindupService.getInlineHints( >>>>> WindupService.java:103) >>>>> at org.jboss.tools.windup.core.internal.validators. >>>>> WindupValidator.validate(WindupValidator.java:81) >>>>> at org.eclipse.wst.validation.Validator$V2.validate( >>>>> Validator.java:1159) >>>>> at org.eclipse.wst.validation.internal.ValManager.validate( >>>>> ValManager.java:704) >>>>> at org.eclipse.wst.validation.internal.ValManager$1.visit( >>>>> ValManager.java:665) >>>>> at org.eclipse.wst.validation.internal.ValManager.accept( >>>>> ValManager.java:810) >>>>> at org.eclipse.wst.validation.internal.ValManager.validate( >>>>> ValManager.java:669) >>>>> at org.eclipse.wst.validation.internal.ValidationRunner. >>>>> execute(ValidationRunner.java:134) >>>>> at org.eclipse.wst.validation.internal.ValidationRunner. >>>>> validate(ValidationRunner.java:68) >>>>> at org.eclipse.wst.validation.ui.internal.ManualValidationRunner. >>>>> runInWorkspace(ManualValidationRunner.java:83) >>>>> at org.eclipse.core.internal.resources.InternalWorkspaceJob.run( >>>>> InternalWorkspaceJob.java:38) >>>>> at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54) >>>>> >>>>> _______________________________________________ >>>>> windup-dev mailing list >>>>> windup-dev(a)lists.jboss.org >>>>> https://lists.jboss.org/mailman/listinfo/windup-dev >>>>> >>>>> >>>>> >>> /max >>> http://about.me/maxandersen >>> >>> >> >> /max >> http://about.me/maxandersen >> >> >> >> > > -- > Lincoln Baxter, III > http://ocpsoft.org > "Simpler is better." > /max http://about.me/maxandersen