[jbosstools-dev] Some questions about migrating to Java 8 and Mars

Nick Boldt nboldt at redhat.com
Fri Jul 24 11:28:42 EDT 2015 

Looks like Windows can't launch SWT.

 > !MESSAGE An error occurred while automatically activating bundle 
org.eclipse.ui.workbench (96).

 > Caused by: java.lang.NoClassDefFoundError: org/eclipse/swt/SWTError
 > Caused by: java.lang.ClassNotFoundException: org.eclipse.swt.SWTError 
cannot be found by org.eclipse.ui.workbench_3.107.0.v20150510-1732

http://stackoverflow.com/questions/28057947/cannot-launch-64-bit-windows-version-of-application-org-eclipse-ui-workbench-i

Can you build w/ a 32-bit JDK?


On 07/24/2015 10:17 AM, Brian Fitzpatrick wrote:
> Was not the maven version. Tried with 3.2.5 and that wasn't it.
>
> $ mvn -version
> Picked up _JAVA_OPTIONS: -XX:-UseGCOverheadLimit -Xmx512m -XX:MaxMetaspaceSize=256m
> Apache Maven 3.2.5 (12a6b3acb947671f09b81f49094c53f426d8cea1; 2014-12-14T10:29:23-07:00)
> Maven home: c:\apache-maven-3.2.5
> Java version: 1.8.0_45, vendor: Oracle Corporation
> Java home: c:\Program Files\Java\jdk1.8.0_45\jre
> Default locale: en_US, platform encoding: Cp1252
> OS name: "windows 7", version: "6.1", arch: "amd64", family: "dos"
>
> Attaching the build log in case it holds some clue.
>
> _______________________________
> Brian Fitzpatrick (aka "Fitz")
> Senior Software Engineer, Tooling
> JBoss by Red Hat
>
> ----- Original Message -----
> From: "Brian Fitzpatrick" <bfitzpat at redhat.com>
> To: "Fred Bricon" <fbricon at redhat.com>
> Cc: "jbosstools-dev jbosstools-dev" <jbosstools-dev at lists.jboss.org>
> Sent: Friday, July 24, 2015 7:14:58 AM
> Subject: Re: [jbosstools-dev] Some questions about migrating to Java 8 and Mars
>
> Hey Fred - could it be the maven version?
>
> I'm definitely running JDK 1.8.0_45, but still on Maven 3.1.1 locally.
>
> --Fitz
>
> _______________________________
> Brian Fitzpatrick (aka "Fitz")
> Senior Software Engineer, Tooling
> JBoss by Red Hat
>
> ----- Original Message -----
> From: "Fred Bricon" <fbricon at redhat.com>
> To: "Brian Fitzpatrick" <bfitzpat at redhat.com>
> Cc: "Snjezana Peco" <snjezana.peco at redhat.com>, "jbosstools-dev jbosstools-dev" <jbosstools-dev at lists.jboss.org>
> Sent: Thursday, July 23, 2015 6:17:22 PM
> Subject: Re: [jbosstools-dev] Some questions about migrating to Java 8 and Mars
>
> Are you sure you’re running with Java8 in CLI? Some bundles would fail to load under the wrong JVM
>
>> Le 23 juil. 2015 à 18:18, Brian Fitzpatrick <bfitzpat at redhat.com> a écrit :
>>
>> Thanks Snjeza.
>>
>> Last question for the brain trust on this list today ...
>>
>> Anybody seen this during running of eclipse tests via maven? This is what I get when I try running locally without -DskipTests
>>
>> org.osgi.framework.BundleException: Error starting module.
>>         at org.eclipse.osgi.container.Module.doStart(Module.java:580)
>>         at org.eclipse.osgi.container.Module.start(Module.java:439)
>>         at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:454)
>>         at org.eclipse.osgi.internal.hooks.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:107)
>>         at org.eclipse.osgi.internal.loader.classpath.ClasspathManager.findLocalClass(ClasspathManager.java:531)
>>         at org.eclipse.osgi.internal.loader.ModuleClassLoader.findLocalClass(ModuleClassLoader.java:324)
>>         at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:327)
>>         at org.eclipse.osgi.internal.loader.sources.SingleSourcePackage.loadClass(SingleSourcePackage.java:36)
>>         at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:398)
>>         at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:352)
>>         at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:344)
>>         at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:160)
>>         at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
>>         at org.eclipse.tycho.surefire.osgibooter.AbstractUITestApplication.run(AbstractUITestApplication.java:112)
>>         at org.eclipse.tycho.surefire.osgibooter.UITestApplication.start(UITestApplication.java:37)
>>         at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
>>         at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
>>         at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
>>         at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:380)
>>         at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235)
>>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>>         at java.lang.reflect.Method.invoke(Method.java:497)
>>         at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:669)
>>         at org.eclipse.equinox.launcher.Main.basicRun(Main.java:608)
>>         at org.eclipse.equinox.launcher.Main.run(Main.java:1515)
>>         at org.eclipse.equinox.launcher.Main.main(Main.java:1488)
>> Caused by: java.lang.NoClassDefFoundError: org/eclipse/swt/SWTError
>>         at java.lang.Class.getDeclaredConstructors0(Native Method)
>>         at java.lang.Class.privateGetDeclaredConstructors(Class.java:2671)
>>         at java.lang.Class.getConstructor0(Class.java:3075)
>>         at java.lang.Class.newInstance(Class.java:412)
>>         at org.eclipse.osgi.internal.framework.BundleContextImpl.loadBundleActivator(BundleContextImpl.java:755)
>>         at org.eclipse.osgi.internal.framework.BundleContextImpl.start(BundleContextImpl.java:706)
>>         at org.eclipse.osgi.internal.framework.EquinoxBundle.startWorker0(EquinoxBundle.java:941)
>>         at org.eclipse.osgi.internal.framework.EquinoxBundle$EquinoxModule.startWorker(EquinoxBundle.java:318)
>>         at org.eclipse.osgi.container.Module.doStart(Module.java:571)
>>         ... 27 more
>> Caused by: java.lang.ClassNotFoundException: org.eclipse.swt.SWTError cannot be found by org.eclipse.ui.workbench_3.107.0.v20150510-1732
>>         at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:439)
>>         at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:352)
>>         at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:344)
>>         at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:160)
>>         at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
>>         ... 36 more
>> Root exception:
>> java.lang.NoClassDefFoundError: org/eclipse/swt/SWTError
>>         at java.lang.Class.getDeclaredConstructors0(Native Method)
>>         at java.lang.Class.privateGetDeclaredConstructors(Class.java:2671)
>>         at java.lang.Class.getConstructor0(Class.java:3075)
>>         at java.lang.Class.newInstance(Class.java:412)
>>         at org.eclipse.osgi.internal.framework.BundleContextImpl.loadBundleActivator(BundleContextImpl.java:755)
>>         at org.eclipse.osgi.internal.framework.BundleContextImpl.start(BundleContextImpl.java:706)
>>         at org.eclipse.osgi.internal.framework.EquinoxBundle.startWorker0(EquinoxBundle.java:941)
>>         at org.eclipse.osgi.internal.framework.EquinoxBundle$EquinoxModule.startWorker(EquinoxBundle.java:318)
>>         at org.eclipse.osgi.container.Module.doStart(Module.java:571)
>>         at org.eclipse.osgi.container.Module.start(Module.java:439)
>>         at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:454)
>>         at org.eclipse.osgi.internal.hooks.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:107)
>>         at org.eclipse.osgi.internal.loader.classpath.ClasspathManager.findLocalClass(ClasspathManager.java:531)
>>         at org.eclipse.osgi.internal.loader.ModuleClassLoader.findLocalClass(ModuleClassLoader.java:324)
>>         at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:327)
>>         at org.eclipse.osgi.internal.loader.sources.SingleSourcePackage.loadClass(SingleSourcePackage.java:36)
>>         at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:398)
>>         at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:352)
>>         at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:344)
>>         at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:160)
>>         at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
>>         at org.eclipse.tycho.surefire.osgibooter.AbstractUITestApplication.run(AbstractUITestApplication.java:112)
>>         at org.eclipse.tycho.surefire.osgibooter.UITestApplication.start(UITestApplication.java:37)
>>         at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
>>         at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
>>         at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
>>         at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:380)
>>         at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235)
>>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>>         at java.lang.reflect.Method.invoke(Method.java:497)
>>         at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:669)
>>         at org.eclipse.equinox.launcher.Main.basicRun(Main.java:608)
>>         at org.eclipse.equinox.launcher.Main.run(Main.java:1515)
>>         at org.eclipse.equinox.launcher.Main.main(Main.java:1488)
>> Caused by: java.lang.ClassNotFoundException: org.eclipse.swt.SWTError cannot be found by org.eclipse.ui.workbench_3.107.0.v20150510-1732
>>         at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:439)
>>         at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:352)
>>         at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:344)
>>         at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:160)
>>         at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
>>         ... 36 more
>>
>> !ENTRY org.eclipse.osgi 4 0 2015-07-23 16:14:47.797
>> !MESSAGE Application error
>> !STACK 1
>> java.lang.NoClassDefFoundError: org/eclipse/ui/PlatformUI
>>         at org.eclipse.tycho.surefire.osgibooter.AbstractUITestApplication.run(AbstractUITestApplication.java:112)
>>         at org.eclipse.tycho.surefire.osgibooter.UITestApplication.start(UITestApplication.java:37)
>>         at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
>>         at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
>>         at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
>>         at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:380)
>>         at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235)
>>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>>         at java.lang.reflect.Method.invoke(Method.java:497)
>>         at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:669)
>>         at org.eclipse.equinox.launcher.Main.basicRun(Main.java:608)
>>         at org.eclipse.equinox.launcher.Main.run(Main.java:1515)
>>         at org.eclipse.equinox.launcher.Main.main(Main.java:1488)
>> Caused by: java.lang.ClassNotFoundException: An error occurred while automatically activating bundle org.eclipse.ui.workbench (96).
>>         at org.eclipse.osgi.internal.hooks.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:116)
>>         at org.eclipse.osgi.internal.loader.classpath.ClasspathManager.findLocalClass(ClasspathManager.java:531)
>>         at org.eclipse.osgi.internal.loader.ModuleClassLoader.findLocalClass(ModuleClassLoader.java:324)
>>         at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:327)
>>         at org.eclipse.osgi.internal.loader.sources.SingleSourcePackage.loadClass(SingleSourcePackage.java:36)
>>         at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:398)
>>         at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:352)
>>         at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:344)
>>         at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:160)
>>         at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
>>         ... 15 more
>> Caused by: org.osgi.framework.BundleException: Error starting module.
>>         at org.eclipse.osgi.container.Module.doStart(Module.java:580)
>>         at org.eclipse.osgi.container.Module.start(Module.java:439)
>>         at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:454)
>>         at org.eclipse.osgi.internal.hooks.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:107)
>>         ... 24 more
>> Caused by: java.lang.NoClassDefFoundError: org/eclipse/swt/SWTError
>>         at java.lang.Class.getDeclaredConstructors0(Native Method)
>>         at java.lang.Class.privateGetDeclaredConstructors(Class.java:2671)
>>         at java.lang.Class.getConstructor0(Class.java:3075)
>>         at java.lang.Class.newInstance(Class.java:412)
>>         at org.eclipse.osgi.internal.framework.BundleContextImpl.loadBundleActivator(BundleContextImpl.java:755)
>>         at org.eclipse.osgi.internal.framework.BundleContextImpl.start(BundleContextImpl.java:706)
>>         at org.eclipse.osgi.internal.framework.EquinoxBundle.startWorker0(EquinoxBundle.java:941)
>>         at org.eclipse.osgi.internal.framework.EquinoxBundle$EquinoxModule.startWorker(EquinoxBundle.java:318)
>>         at org.eclipse.osgi.container.Module.doStart(Module.java:571)
>>         ... 27 more
>> Caused by: java.lang.ClassNotFoundException: org.eclipse.swt.SWTError cannot be found by org.eclipse.ui.workbench_3.107.0.v20150510-1732
>>         at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:439)
>>         at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:352)
>>         at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:344)
>>         at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:160)
>>         at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
>>         ... 36 more
>> An error has occurred. See the log file
>>
>> _______________________________
>> Brian Fitzpatrick (aka "Fitz")
>> Senior Software Engineer, Tooling
>> JBoss by Red Hat
>>
>> ----- Original Message -----
>> From: "Snjezana Peco" <snjezana.peco at redhat.com>
>> To: "Brian Fitzpatrick" <bfitzpat at redhat.com>, "Snjezana Peco" <snjeza.peco at gmail.com>
>> Cc: "jbosstools-dev jbosstools-dev" <jbosstools-dev at lists.jboss.org>
>> Sent: Thursday, July 23, 2015 3:43:10 PM
>> Subject: Re: [jbosstools-dev] Some questions about migrating to Java 8 and Mars
>>
>> export MAVEN_OPTS="-XX:-UseGCOverheadLimit ..."
>> mvn ...
>>
>> Snjeza
>>
>> On 7/23/2015 11:36 PM, Brian Fitzpatrick wrote:
>>> Hey Snjeza,
>>>
>>> That's an interesting thought. Add where exactly? To the eclipse.ini file? Or just for maven command line execution?
>>>
>>> When I add it to the build (mvn -U clean install -XX:-UseGCOverheadLimit) it fails at command line with some interesting errors.
>>>
>>> _______________________________
>>> Brian Fitzpatrick (aka "Fitz")
>>> Senior Software Engineer, Tooling
>>> JBoss by Red Hat
>>>
>>> ----- Original Message -----
>>> From: "Snjezana Peco" <snjeza.peco at gmail.com>
>>> To: "Brian Fitzpatrick" <bfitzpat at redhat.com>
>>> Cc: "jbosstools-dev jbosstools-dev" <jbosstools-dev at lists.jboss.org>
>>> Sent: Thursday, July 23, 2015 3:07:11 PM
>>> Subject: Re: [jbosstools-dev] Some questions about migrating to Java 8 and Mars
>>>
>>> Try to add -XX:-UseGCOverheadLimit.
>>> See
>>> http://www.oracle.com/technetwork/java/javase/gc-tuning-6-140523.html#cms.oom
>>>
>>> Snjeza
>>>
>>> On 7/23/2015 10:50 PM, Brian Fitzpatrick wrote:
>>>> I did a mvn -U clean build -DskipTests at the command line, but that was it.
>>>>
>>>> The auto-build is on.
>>>>
>>>> Beyond that your guess is as good as mine. There's not much IN this workspace now.
>>>>
>>>> _______________________________
>>>> Brian Fitzpatrick (aka "Fitz")
>>>> Senior Software Engineer, Tooling
>>>> JBoss by Red Hat
>>>>
>>>> ----- Original Message -----
>>>> From: "Max Rydahl Andersen" <manderse at redhat.com>
>>>> To: "Brian Fitzpatrick" <bfitzpat at redhat.com>
>>>> Cc: "Fred Bricon" <fbricon at redhat.com>, "jbosstools-dev jbosstools-dev" <jbosstools-dev at lists.jboss.org>
>>>> Sent: Thursday, July 23, 2015 2:44:49 PM
>>>> Subject: Re: [jbosstools-dev] Some questions about migrating to Java 8 and Mars
>>>>
>>>> I've imported all the projects and no out of memory errors - just build
>>>> errors.
>>>>
>>>> Are there some specific target file or build commands I need to execute
>>>> first ?
>>>>
>>>> /max
>>>>
>>>>> Sure Max, let me offer a few more details.
>>>>>
>>>>> Keep in mind this is on Windows. The 18 projects are the plugins
>>>>> projects
>>>>> (https://github.com/jboss-switchyard/tools/tree/master/eclipse) from
>>>>> SwitchYard along with the parent eclipse and top-level directories as
>>>>> general projects.
>>>>>
>>>>> Nothing I haven't done a hundred times before with Luna and Java 7.
>>>>>
>>>>> The projects are:
>>>>>
>>>>> tools
>>>>> eclipse
>>>>> org.switchyard.tools
>>>>> org.switchyard.tools.core
>>>>> org.switchyard.tools.cxf
>>>>> org.switchyard.tools.m2e
>>>>> org.switchyard.tools.models.sca.core
>>>>> org.switchyard.tools.models.sca.core.edit
>>>>> org.switchyard.tools.models.sca1_1
>>>>> org.switchyard.tools.models.sca1_1.edit
>>>>> org.switchyard.tools.models.switchyard1_0
>>>>> org.switchyard.tools.ui
>>>>> org.switchyard.tools.ui.bpel
>>>>> org.switchyard.tools.ui.bpmn2
>>>>> org.switchyard.tools.ui.debug
>>>>> org.switchyard.tools.ui.editor
>>>>> org.switchyard.tools.xsd
>>>>> switchyard-tools-eclipse-plugins
>>>>>
>>>>> I have created a PR with my Mars updates here -
>>>>> https://github.com/jboss-switchyard/tools/pull/518
>>>>>
>>>>> It consistently crashes in Eclipse Mars with m2e and this memory
>>>>> issue. But I have it building at the command line (without tests - mvn
>>>>> -U clean install -DskipTests) up to the point where it tries to
>>>>> assemble the site:
>>>>>
>>>>> [ERROR] Plugin org.jboss.tools.tycho-plugins:repository-utils:0.23.1
>>>>> or one of its dependencies could not be resolved: Failure to find
>>>>> org.jboss.tools.tycho-plugins:repository-utils:jar:0.23.1 in
>>>>> http://maven.repository.redhat.com/techpreview/all/ was cached in the
>>>>> local repository, resolution will not be reattempted until the update
>>>>> interval of redhat-techpreview-all-repository has elapsed or updates
>>>>> are forced -> [Help 1]
>>>>>
>>>>> Nick - Is there a particular maven repo I need in my list to get tycho
>>>>> 0.23.1 to be happy?
>>>>>
>>>>> Hope this helps a little. Thanks for the help folks!
>>>>>
>>>>> --Fitz
>>>>> _______________________________
>>>>>
>>>>> Brian Fitzpatrick (aka "Fitz")
>>>>> Senior Software Engineer, Tooling
>>>>> JBoss by Red Hat
>>>>>
>>>>> ----- Original Message -----
>>>>> From: "Max Rydahl Andersen" <manderse at redhat.com>
>>>>> To: "Brian Fitzpatrick" <bfitzpat at redhat.com>
>>>>> Cc: "Fred Bricon" <fbricon at redhat.com>, "jbosstools-dev
>>>>> jbosstools-dev" <jbosstools-dev at lists.jboss.org>
>>>>> Sent: Thursday, July 23, 2015 3:40:34 AM
>>>>> Subject: Re: [jbosstools-dev] Some questions about migrating to Java 8
>>>>> and Mars
>>>>>
>>>>> Brian,
>>>>>
>>>>> What does one need to do to reproduce this ?
>>>>>
>>>>> Which 18 projects are talking about here ?
>>>>> Maybe those 18 projects have some "magic" combination of custom maven
>>>>> plugins or
>>>>> some cyclic dependency that for some reason causes a regression in m2e
>>>>> ?
>>>>>
>>>>> I'm surprised since m2e actually seem to in general use much less
>>>>> memory
>>>>> in Mars for me.
>>>>>
>>>>> So lets get it reproduced on others to dig deeper.
>>>>>
>>>>> /max
>>>>>
>>>>>
>>>>>> I had the settings at the end after -vmargs, but had -Xms512m and
>>>>>> -XX:MaxMetaspaceSize=512m, which apparently it didn't like.
>>>>>>
>>>>>> This worked better:
>>>>>>
>>>>>> -Xms256m
>>>>>> -Xmx2048m
>>>>>> -XX:MaxMetaspaceSize=256m
>>>>>>
>>>>>> Now that I got that working I was able to re-import my projects (only
>>>>>> 18 projects in all in the entire workspace) and now I'm back to this:
>>>>>>
>>>>>> eclipse.buildId=4.5.0.I20150603-2000
>>>>>> java.version=1.8.0_45
>>>>>> java.vendor=Oracle Corporation
>>>>>> BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=en_US
>>>>>> Framework arguments:  -product org.eclipse.epp.package.jee.product
>>>>>> Command-line arguments:  -os win32 -ws win32 -arch x86_64 -product
>>>>>> org.eclipse.epp.package.jee.product
>>>>>>
>>>>>> org.eclipse.core.jobs
>>>>>> Error
>>>>>> Wed Jul 22 17:06:59 MDT 2015
>>>>>> An internal error occurred during: "Building workspace".
>>>>>>
>>>>>> java.lang.OutOfMemoryError: GC overhead limit exceeded
>>>>>> 	at java.util.HashMap.newNode(HashMap.java:1734)
>>>>>> 	at java.util.HashMap.putVal(HashMap.java:630)
>>>>>> 	at java.util.HashMap.put(HashMap.java:611)
>>>>>> 	at java.util.HashSet.add(HashSet.java:219)
>>>>>> 	at
>>>>>> org.apache.maven.model.io.xpp3.MavenXpp3ReaderEx.checkFieldWithDuplicate(MavenXpp3ReaderEx.java:114)
>>>>>> 	at
>>>>>> org.apache.maven.model.io.xpp3.MavenXpp3ReaderEx.parsePlugin(MavenXpp3ReaderEx.java:3039)
>>>>>> 	at
>>>>>> org.apache.maven.model.io.xpp3.MavenXpp3ReaderEx.parsePluginManagement(MavenXpp3ReaderEx.java:3362)
>>>>>> 	at
>>>>>> org.apache.maven.model.io.xpp3.MavenXpp3ReaderEx.parseBuild(MavenXpp3ReaderEx.java:977)
>>>>>> 	at
>>>>>> org.apache.maven.model.io.xpp3.MavenXpp3ReaderEx.parseModel(MavenXpp3ReaderEx.java:2512)
>>>>>> 	at
>>>>>> org.apache.maven.model.io.xpp3.MavenXpp3ReaderEx.read(MavenXpp3ReaderEx.java:4350)
>>>>>> 	at
>>>>>> org.apache.maven.model.io.xpp3.MavenXpp3ReaderEx.read(MavenXpp3ReaderEx.java:560)
>>>>>> 	at
>>>>>> org.apache.maven.model.io.DefaultModelReader.read(DefaultModelReader.java:121)
>>>>>> 	at
>>>>>> org.apache.maven.model.io.DefaultModelReader.read(DefaultModelReader.java:94)
>>>>>> 	at
>>>>>> org.apache.maven.model.building.DefaultModelProcessor.read(DefaultModelProcessor.java:81)
>>>>>> 	at
>>>>>> org.apache.maven.model.building.DefaultModelBuilder.readModel(DefaultModelBuilder.java:529)
>>>>>> 	at
>>>>>> org.apache.maven.model.building.DefaultModelBuilder.readParentExternally(DefaultModelBuilder.java:1023)
>>>>>> 	at
>>>>>> org.apache.maven.model.building.DefaultModelBuilder.readParent(DefaultModelBuilder.java:796)
>>>>>> 	at
>>>>>> org.apache.maven.model.building.DefaultModelBuilder.build(DefaultModelBuilder.java:325)
>>>>>> 	at
>>>>>> org.apache.maven.model.building.DefaultModelBuilder.importDependencyManagement(DefaultModelBuilder.java:1201)
>>>>>> 	at
>>>>>> org.apache.maven.model.building.DefaultModelBuilder.build(DefaultModelBuilder.java:451)
>>>>>> 	at
>>>>>> org.apache.maven.model.building.DefaultModelBuilder.build(DefaultModelBuilder.java:417)
>>>>>> 	at
>>>>>> org.apache.maven.model.building.DefaultModelBuilder.build(DefaultModelBuilder.java:407)
>>>>>> 	at
>>>>>> org.apache.maven.project.DefaultProjectBuilder.build(DefaultProjectBuilder.java:161)
>>>>>> 	at
>>>>>> org.apache.maven.project.DefaultProjectBuilder.build(DefaultProjectBuilder.java:119)
>>>>>> 	at
>>>>>> org.apache.maven.project.DefaultProjectBuilder.initProject(DefaultProjectBuilder.java:679)
>>>>>> 	at
>>>>>> org.apache.maven.project.DefaultProjectBuilder.build(DefaultProjectBuilder.java:176)
>>>>>> 	at
>>>>>> org.apache.maven.project.DefaultProjectBuilder.build(DefaultProjectBuilder.java:119)
>>>>>> 	at
>>>>>> org.apache.maven.project.DefaultProjectBuilder.initProject(DefaultProjectBuilder.java:679)
>>>>>> 	at
>>>>>> org.apache.maven.project.DefaultProjectBuilder.build(DefaultProjectBuilder.java:176)
>>>>>> 	at
>>>>>> org.apache.maven.project.DefaultProjectBuilder.build(DefaultProjectBuilder.java:119)
>>>>>> 	at
>>>>>> org.eclipse.m2e.core.internal.embedder.MavenImpl.readMavenProject(MavenImpl.java:636)
>>>>>> 	at
>>>>>> org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager$4.call(ProjectRegistryManager.java:704)
>>>>>>
>>>>>>
>>>>>> _______________________________
>>>>>> Brian Fitzpatrick (aka "Fitz")
>>>>>> Senior Software Engineer, Tooling
>>>>>> JBoss by Red Hat
>>>>>>
>>>>>> ----- Original Message -----
>>>>>> From: "Fred Bricon" <fbricon at redhat.com>
>>>>>> To: "Brian Fitzpatrick" <bfitzpat at redhat.com>
>>>>>> Cc: "jbosstools-dev jbosstools-dev" <jbosstools-dev at lists.jboss.org>
>>>>>> Sent: Wednesday, July 22, 2015 5:03:49 PM
>>>>>> Subject: Re: [jbosstools-dev] Some questions about migrating to Java
>>>>>> 8
>>>>>> and Mars
>>>>>>
>>>>>> check you put the vm settings after -vmargs
>>>>>> https://wiki.eclipse.org/FAQ_How_do_I_increase_the_heap_size_available_to_Eclipse%3F
>>>>>>
>>>>>>> Le 22 juil. 2015 à 19:00, Brian Fitzpatrick <bfitzpat at redhat.com> a
>>>>>>> écrit :
>>>>>>>
>>>>>>> Even better - I get "Error: Could not create the Java Virtual
>>>>>>> Machine. Error: A fatal exception has occurred. Program will exit."
>>>>>>>
>>>>>>> I think my settings are screwed up.
>>>>>>>
>>>>>>> _______________________________
>>>>>>> Brian Fitzpatrick (aka "Fitz")
>>>>>>> Senior Software Engineer, Tooling
>>>>>>> JBoss by Red Hat
>>>>>>>
>>>>>>> ----- Original Message -----
>>>>>>> From: "Fred Bricon" <fbricon at redhat.com>
>>>>>>> To: "Brian Fitzpatrick" <bfitzpat at redhat.com>
>>>>>>> Cc: "jbosstools-dev jbosstools-dev" <jbosstools-dev at lists.jboss.org>
>>>>>>> Sent: Wednesday, July 22, 2015 4:59:16 PM
>>>>>>> Subject: Re: [jbosstools-dev] Some questions about migrating to Java
>>>>>>> 8 and Mars
>>>>>>>
>>>>>>> workspace corrupted by previous failure?
>>>>>>>
>>>>>>>> Le 22 juil. 2015 à 18:57, Brian Fitzpatrick <bfitzpat at redhat.com>
>>>>>>>> a
>>>>>>>> écrit :
>>>>>>>>
>>>>>>>> Very interesting.
>>>>>>>>
>>>>>>>> Updating the ini file led to this:
>>>>>>>>
>>>>>>>> eclipse.buildId=4.5.0.I20150603-2000
>>>>>>>> java.version=1.8.0_45
>>>>>>>> java.vendor=Oracle Corporation
>>>>>>>> BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=en_US
>>>>>>>> Framework arguments:  -product org.eclipse.epp.package.jee.product
>>>>>>>> Command-line arguments:  -os win32 -ws win32 -arch x86_64 -product
>>>>>>>> org.eclipse.epp.package.jee.product
>>>>>>>>
>>>>>>>> org.eclipse.core.resources
>>>>>>>> Error
>>>>>>>> Wed Jul 22 16:50:53 MDT 2015
>>>>>>>> Could not read metadata for
>>>>>>>> 'C:/marsm5/workspace/.metadata/.plugins/org.eclipse.core.resources/.root/.markers'.
>>>>>>>>
>>>>>>>> java.io.IOException: Incompatible file format. Workspace was saved
>>>>>>>> with an incompatible version: 0.
>>>>>>>> 	at
>>>>>>>> org.eclipse.core.internal.resources.MarkerReader.getReader(MarkerReader.java:43)
>>>>>>>> 	at
>>>>>>>> org.eclipse.core.internal.resources.MarkerReader.read(MarkerReader.java:49)
>>>>>>>> 	at
>>>>>>>> org.eclipse.core.internal.resources.MarkerManager.restoreFromSave(MarkerManager.java:544)
>>>>>>>> 	at
>>>>>>>> org.eclipse.core.internal.resources.MarkerManager.restore(MarkerManager.java:529)
>>>>>>>> 	at
>>>>>>>> org.eclipse.core.internal.resources.SaveManager.restoreMarkers(SaveManager.java:826)
>>>>>>>> 	at
>>>>>>>> org.eclipse.core.internal.resources.SaveManager.restore(SaveManager.java:723)
>>>>>>>> 	at
>>>>>>>> org.eclipse.core.internal.resources.SaveManager.startup(SaveManager.java:1588)
>>>>>>>> 	at
>>>>>>>> org.eclipse.core.internal.resources.Workspace.startup(Workspace.java:2386)
>>>>>>>> 	at
>>>>>>>> org.eclipse.core.internal.resources.Workspace.open(Workspace.java:2157)
>>>>>>>> 	at
>>>>>>>> org.eclipse.core.resources.ResourcesPlugin.start(ResourcesPlugin.java:463)
>>>>>>>> 	at
>>>>>>>> org.eclipse.osgi.internal.framework.BundleContextImpl$3.run(BundleContextImpl.java:771)
>>>>>>>> 	at
>>>>>>>> org.eclipse.osgi.internal.framework.BundleContextImpl$3.run(BundleContextImpl.java:1)
>>>>>>>> 	at java.security.AccessController.doPrivileged(Native Method)
>>>>>>>> 	at
>>>>>>>> org.eclipse.osgi.internal.framework.BundleContextImpl.startActivator(BundleContextImpl.java:764)
>>>>>>>> 	at
>>>>>>>> org.eclipse.osgi.internal.framework.BundleContextImpl.start(BundleContextImpl.java:721)
>>>>>>>> 	at
>>>>>>>> org.eclipse.osgi.internal.framework.EquinoxBundle.startWorker0(EquinoxBundle.java:941)
>>>>>>>> 	at
>>>>>>>> org.eclipse.osgi.internal.framework.EquinoxBundle$EquinoxModule.startWorker(EquinoxBundle.java:318)
>>>>>>>> 	at org.eclipse.osgi.container.Module.doStart(Module.java:571)
>>>>>>>> 	at org.eclipse.osgi.container.Module.start(Module.java:439)
>>>>>>>> 	at
>>>>>>>> org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:454)
>>>>>>>> 	at
>>>>>>>> org.eclipse.osgi.internal.hooks.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:107)
>>>>>>>> 	at
>>>>>>>> org.eclipse.osgi.internal.loader.classpath.ClasspathManager.findLocalClass(ClasspathManager.java:531)
>>>>>>>> 	at
>>>>>>>> org.eclipse.osgi.internal.loader.ModuleClassLoader.findLocalClass(ModuleClassLoader.java:324)
>>>>>>>> 	at
>>>>>>>> org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:327)
>>>>>>>> 	at
>>>>>>>> org.eclipse.osgi.internal.loader.sources.SingleSourcePackage.loadClass(SingleSourcePackage.java:36)
>>>>>>>> 	at
>>>>>>>> org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:398)
>>>>>>>> 	at
>>>>>>>> org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:352)
>>>>>>>> 	at
>>>>>>>> org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:344)
>>>>>>>> 	at
>>>>>>>> org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:160)
>>>>>>>> 	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
>>>>>>>> 	at
>>>>>>>> org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:140)
>>>>>>>> 	at
>>>>>>>> org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
>>>>>>>> 	at
>>>>>>>> org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
>>>>>>>> 	at
>>>>>>>> org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
>>>>>>>> 	at
>>>>>>>> org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:380)
>>>>>>>> 	at
>>>>>>>> org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235)
>>>>>>>> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>>>>>>> 	at
>>>>>>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>>>>>>>> 	at
>>>>>>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>>>>>>>> 	at java.lang.reflect.Method.invoke(Method.java:497)
>>>>>>>> 	at
>>>>>>>> org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:669)
>>>>>>>> 	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:608)
>>>>>>>> 	at org.eclipse.equinox.launcher.Main.run(Main.java:1515)
>>>>>>>>
>>>>>>>> And this:
>>>>>>>>
>>>>>>>> eclipse.buildId=4.5.0.I20150603-2000
>>>>>>>> java.version=1.8.0_45
>>>>>>>> java.vendor=Oracle Corporation
>>>>>>>> BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=en_US
>>>>>>>> Framework arguments:  -product org.eclipse.epp.package.jee.product
>>>>>>>> Command-line arguments:  -os win32 -ws win32 -arch x86_64 -product
>>>>>>>> org.eclipse.epp.package.jee.product
>>>>>>>>
>>>>>>>> org.eclipse.e4.ui.workbench
>>>>>>>> Error
>>>>>>>> Wed Jul 22 16:50:54 MDT 2015
>>>>>>>> Unable to load resource
>>>>>>>> file:/C:/marsm5/workspace/.metadata/.plugins/org.eclipse.e4.workbench/workbench.xmi
>>>>>>>>
>>>>>>>> org.eclipse.emf.ecore.resource.impl.ResourceSetImpl$1DiagnosticWrappedException:
>>>>>>>> org.xml.sax.SAXParseExceptionpublicId:
>>>>>>>> file:/C:/marsm5/workspace/.metadata/.plugins/org.eclipse.e4.workbench/workbench.xmi;
>>>>>>>> systemId:
>>>>>>>> file:/C:/marsm5/workspace/.metadata/.plugins/org.eclipse.e4.workbench/workbench.xmi;
>>>>>>>> lineNumber: 1; columnNumber: 1; Content is not allowed in prolog.
>>>>>>>> 	at
>>>>>>>> org.eclipse.emf.ecore.resource.impl.ResourceSetImpl.handleDemandLoadException(ResourceSetImpl.java:319)
>>>>>>>> 	at
>>>>>>>> org.eclipse.emf.ecore.resource.impl.ResourceSetImpl.demandLoadHelper(ResourceSetImpl.java:278)
>>>>>>>> 	at
>>>>>>>> org.eclipse.emf.ecore.resource.impl.ResourceSetImpl.getResource(ResourceSetImpl.java:406)
>>>>>>>> 	at
>>>>>>>> org.eclipse.e4.ui.internal.workbench.ResourceHandler.getResource(ResourceHandler.java:351)
>>>>>>>> 	at
>>>>>>>> org.eclipse.e4.ui.internal.workbench.ResourceHandler.loadResource(ResourceHandler.java:327)
>>>>>>>> 	at
>>>>>>>> org.eclipse.e4.ui.internal.workbench.ResourceHandler.loadMostRecentModel(ResourceHandler.java:231)
>>>>>>>> 	at
>>>>>>>> org.eclipse.e4.ui.internal.workbench.swt.E4Application.loadApplicationModel(E4Application.java:397)
>>>>>>>> 	at
>>>>>>>> org.eclipse.e4.ui.internal.workbench.swt.E4Application.createE4Workbench(E4Application.java:254)
>>>>>>>> 	at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:620)
>>>>>>>> 	at
>>>>>>>> org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337)
>>>>>>>> 	at
>>>>>>>> org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:598)
>>>>>>>> 	at
>>>>>>>> org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
>>>>>>>> 	at
>>>>>>>> org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:139)
>>>>>>>> 	at
>>>>>>>> org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
>>>>>>>> 	at
>>>>>>>> org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
>>>>>>>> 	at
>>>>>>>> org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
>>>>>>>> 	at
>>>>>>>> org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:380)
>>>>>>>> 	at
>>>>>>>> org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235)
>>>>>>>> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>>>>>>> 	at
>>>>>>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>>>>>>>> 	at
>>>>>>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>>>>>>>> 	at java.lang.reflect.Method.invoke(Method.java:497)
>>>>>>>> 	at
>>>>>>>> org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:669)
>>>>>>>> 	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:608)
>>>>>>>> 	at org.eclipse.equinox.launcher.Main.run(Main.java:1515)
>>>>>>>> Caused by: org.xml.sax.SAXParseExceptionpublicId:
>>>>>>>> file:/C:/marsm5/workspace/.metadata/.plugins/org.eclipse.e4.workbench/workbench.xmi;
>>>>>>>> systemId:
>>>>>>>> file:/C:/marsm5/workspace/.metadata/.plugins/org.eclipse.e4.workbench/workbench.xmi;
>>>>>>>> lineNumber: 1; columnNumber: 1; Content is not allowed in prolog.
>>>>>>>> 	at
>>>>>>>> com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(ErrorHandlerWrapper.java:203)
>>>>>>>> 	at
>>>>>>>> com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.fatalError(ErrorHandlerWrapper.java:177)
>>>>>>>> 	at
>>>>>>>> com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:441)
>>>>>>>> 	at
>>>>>>>> com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:368)
>>>>>>>> 	at
>>>>>>>> com.sun.org.apache.xerces.internal.impl.XMLScanner.reportFatalError(XMLScanner.java:1436)
>>>>>>>> 	at
>>>>>>>> com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$PrologDriver.next(XMLDocumentScannerImpl.java:999)
>>>>>>>> 	at
>>>>>>>> com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:606)
>>>>>>>> 	at
>>>>>>>> com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(XMLNSDocumentScannerImpl.java:117)
>>>>>>>> 	at
>>>>>>>> com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:510)
>>>>>>>> 	at
>>>>>>>> com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:848)
>>>>>>>> 	at
>>>>>>>> com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:777)
>>>>>>>> 	at
>>>>>>>> com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:141)
>>>>>>>> 	at
>>>>>>>> com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1213)
>>>>>>>> 	at
>>>>>>>> com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:649)
>>>>>>>> 	at
>>>>>>>> com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl.parse(SAXParserImpl.java:333)
>>>>>>>> 	at
>>>>>>>> org.eclipse.emf.ecore.xmi.impl.XMLLoadImpl.load(XMLLoadImpl.java:175)
>>>>>>>> 	at
>>>>>>>> org.eclipse.emf.ecore.xmi.impl.XMLResourceImpl.doLoad(XMLResourceImpl.java:261)
>>>>>>>> 	at
>>>>>>>> org.eclipse.emf.ecore.resource.impl.ResourceImpl.load(ResourceImpl.java:1518)
>>>>>>>> 	at
>>>>>>>> org.eclipse.emf.ecore.resource.impl.ResourceImpl.load(ResourceImpl.java:1297)
>>>>>>>> 	at
>>>>>>>> org.eclipse.emf.ecore.resource.impl.ResourceSetImpl.demandLoad(ResourceSetImpl.java:259)
>>>>>>>> 	at
>>>>>>>> org.eclipse.emf.ecore.resource.impl.ResourceSetImpl.demandLoadHelper(ResourceSetImpl.java:274)
>>>>>>>> 	... 23 more
>>>>>>>>
>>>>>>>> And ultimately this:
>>>>>>>>
>>>>>>>> eclipse.buildId=4.5.0.I20150603-2000
>>>>>>>> java.version=1.8.0_45
>>>>>>>> java.vendor=Oracle Corporation
>>>>>>>> BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=en_US
>>>>>>>> Framework arguments:  -product org.eclipse.epp.package.jee.product
>>>>>>>> Command-line arguments:  -os win32 -ws win32 -arch x86_64 -product
>>>>>>>> org.eclipse.epp.package.jee.product
>>>>>>>>
>>>>>>>> org.eclipse.e4.ui.workbench
>>>>>>>> Error
>>>>>>>> Wed Jul 22 16:50:54 MDT 2015
>>>>>>>> The persisted workbench has no top-level windows, so reinitializing
>>>>>>>> with defaults.
>>>>>>>>
>>>>>>>> java.lang.Exception
>>>>>>>> 	at
>>>>>>>> org.eclipse.e4.ui.internal.workbench.ResourceHandler.loadMostRecentModel(ResourceHandler.java:236)
>>>>>>>> 	at
>>>>>>>> org.eclipse.e4.ui.internal.workbench.swt.E4Application.loadApplicationModel(E4Application.java:397)
>>>>>>>> 	at
>>>>>>>> org.eclipse.e4.ui.internal.workbench.swt.E4Application.createE4Workbench(E4Application.java:254)
>>>>>>>> 	at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:620)
>>>>>>>> 	at
>>>>>>>> org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337)
>>>>>>>> 	at
>>>>>>>> org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:598)
>>>>>>>> 	at
>>>>>>>> org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
>>>>>>>> 	at
>>>>>>>> org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:139)
>>>>>>>> 	at
>>>>>>>> org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
>>>>>>>> 	at
>>>>>>>> org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
>>>>>>>> 	at
>>>>>>>> org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
>>>>>>>> 	at
>>>>>>>> org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:380)
>>>>>>>> 	at
>>>>>>>> org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235)
>>>>>>>> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>>>>>>> 	at
>>>>>>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>>>>>>>> 	at
>>>>>>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>>>>>>>> 	at java.lang.reflect.Method.invoke(Method.java:497)
>>>>>>>> 	at
>>>>>>>> org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:669)
>>>>>>>> 	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:608)
>>>>>>>> 	at org.eclipse.equinox.launcher.Main.run(Main.java:1515)
>>>>>>>>
>>>>>>>>
>>>>>>>> Guess I'll be re-importing my projects...
>>>>>>>>
>>>>>>>> _______________________________
>>>>>>>> Brian Fitzpatrick (aka "Fitz")
>>>>>>>> Senior Software Engineer, Tooling
>>>>>>>> JBoss by Red Hat
>>>>>>>>
>>>>>>>> ----- Original Message -----
>>>>>>>> From: "Fred Bricon" <fbricon at redhat.com>
>>>>>>>> To: "Brian Fitzpatrick" <bfitzpat at redhat.com>
>>>>>>>> Cc: "jbosstools-dev jbosstools-dev"
>>>>>>>> <jbosstools-dev at lists.jboss.org>
>>>>>>>> Sent: Wednesday, July 22, 2015 4:45:17 PM
>>>>>>>> Subject: Re: [jbosstools-dev] Some questions about migrating to
>>>>>>>> Java
>>>>>>>> 8 and Mars
>>>>>>>>
>>>>>>>> How many projects open in your workspace?
>>>>>>>> have you tried -Xmx2048m in eclipse.ini?
>>>>>>>>
>>>>>>>>> Le 22 juil. 2015 à 18:30, Brian Fitzpatrick <bfitzpat at redhat.com>
>>>>>>>>> a écrit :
>>>>>>>>>
>>>>>>>>> Hey folks,
>>>>>>>>>
>>>>>>>>> I'm starting to move the SwitchYard editor to Java 8 and Eclipse
>>>>>>>>> Mars. The biggest thing is I'm hitting some issues when building
>>>>>>>>> in
>>>>>>>>> Eclipse using the m2e code (Maven->Update Project). Specifically,
>>>>>>>>> I'm seeing "An internal error occurred during: "Updating Maven
>>>>>>>>> Project".
>>>>>>>>> GC overhead limit exceeded"
>>>>>>>>>
>>>>>>>>> I've tried updating the -XX:MaxPermSize=256m to
>>>>>>>>> -XX:MaxMetaspaceSize=256m per the suggestions here
>>>>>>>>> (https://dzone.com/articles/java-8-permgen-metaspace) but it
>>>>>>>>> hasn't
>>>>>>>>> made any difference.
>>>>>>>>>
>>>>>>>>> Nick suggested updating the build to use Tycho 0.23.1, but that
>>>>>>>>> hasn't made a difference.
>>>>>>>>>
>>>>>>>>> Anybody have any suggestions on what to try?
>>>>>>>>>
>>>>>>>>> Thanks
>>>>>>>>> --Fitz
>>>>>>>>>
>>>>>>>>> _______________________________
>>>>>>>>> Brian Fitzpatrick (aka "Fitz")
>>>>>>>>> Senior Software Engineer, Tooling
>>>>>>>>> JBoss by Red Hat
>>>>>>>>>
>>>>>>>>> _______________________________________________
>>>>>>>>> jbosstools-dev mailing list
>>>>>>>>> jbosstools-dev at lists.jboss.org
>>>>>>>>> https://lists.jboss.org/mailman/listinfo/jbosstools-dev
>>>>>> _______________________________________________
>>>>>> jbosstools-dev mailing list
>>>>>> jbosstools-dev at lists.jboss.org
>>>>>> https://lists.jboss.org/mailman/listinfo/jbosstools-dev
>>>>> /max
>>>>> http://about.me/maxandersen
>>>> /max
>>>> http://about.me/maxandersen
>>>>
>>>> _______________________________________________
>>>> jbosstools-dev mailing list
>>>> jbosstools-dev at lists.jboss.org
>>>> https://lists.jboss.org/mailman/listinfo/jbosstools-dev
>>>
>>> _______________________________________________
>>> jbosstools-dev mailing list
>>> jbosstools-dev at lists.jboss.org
>>> https://lists.jboss.org/mailman/listinfo/jbosstools-dev
>>
>>
>> _______________________________________________
>> jbosstools-dev mailing list
>> jbosstools-dev at lists.jboss.org
>> https://lists.jboss.org/mailman/listinfo/jbosstools-dev
>
>
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-- 
Nick Boldt :: JBoss by Red Hat
Productization Lead :: JBoss Tools & Dev Studio
http://nick.divbyzero.com

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