An internal error occurred during: "Initializing Spring Tooling".

eclipse.buildId=3.7.0.201506290652-RELEASE-e45
java.version=1.7.0_80
java.vendor=Oracle Corporation
BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_CA
Framework arguments:  -product org.springsource.sts.ide
Command-line arguments:  -data file:/home/kdvolder/workspaces-sts/spring-ide/ -os linux -ws gtk -arch x86_64 -product org.springsource.sts.ide -clean

org.eclipse.core.jobs
Error
Mon Jun 29 15:10:43 PDT 2015
An internal error occurred during: "Initializing Spring Tooling".

java.lang.IllegalArgumentException: Attempted to beginRule: P/org.springframework.ide.eclipse.boot, does not match outer scope rule: Beans Model Initialization
	at org.eclipse.core.runtime.Assert.isLegal(Assert.java:63)
	at org.eclipse.core.internal.jobs.ThreadJob.illegalPush(ThreadJob.java:134)
	at org.eclipse.core.internal.jobs.ThreadJob.push(ThreadJob.java:333)
	at org.eclipse.core.internal.jobs.ImplicitJobs.begin(ImplicitJobs.java:85)
	at org.eclipse.core.internal.jobs.JobManager.beginRule(JobManager.java:307)
	at org.eclipse.core.internal.resources.WorkManager.checkIn(WorkManager.java:120)
	at org.eclipse.core.internal.resources.Workspace.prepareOperation(Workspace.java:2189)
	at org.eclipse.core.internal.resources.Project.touch(Project.java:1304)
	at org.eclipse.jdt.internal.core.SetContainerOperation.executeOperation(SetContainerOperation.java:115)
	at org.eclipse.jdt.internal.core.JavaModelOperation.run(JavaModelOperation.java:729)
	at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2241)
	at org.eclipse.jdt.internal.core.JavaModelOperation.runOperation(JavaModelOperation.java:794)
	at org.eclipse.jdt.internal.core.JavaModelManager$10.run(JavaModelManager.java:2798)
	at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2241)
	at org.eclipse.jdt.internal.core.JavaModelManager.initializeAllContainers(JavaModelManager.java:2814)
	at org.eclipse.jdt.internal.core.JavaModelManager.getClasspathContainer(JavaModelManager.java:1895)
	at org.eclipse.jdt.core.JavaCore.getClasspathContainer(JavaCore.java:3298)
	at org.eclipse.jdt.internal.core.JavaProject.resolveClasspath(JavaProject.java:2693)
	at org.eclipse.jdt.internal.core.JavaProject.resolveClasspath(JavaProject.java:2857)
	at org.eclipse.jdt.internal.core.JavaProject.getResolvedClasspath(JavaProject.java:1962)
	at org.eclipse.jdt.internal.core.JavaProject.buildStructure(JavaProject.java:464)
	at org.eclipse.jdt.internal.core.Openable.generateInfos(Openable.java:259)
	at org.eclipse.jdt.internal.core.JavaElement.openWhenClosed(JavaElement.java:579)
	at org.eclipse.jdt.internal.core.JavaElement.getElementInfo(JavaElement.java:316)
	at org.eclipse.jdt.internal.core.JavaElement.getElementInfo(JavaElement.java:302)
	at org.eclipse.jdt.internal.core.JavaProject.getJavaProjectElementInfo(JavaProject.java:1642)
	at org.eclipse.jdt.internal.core.JavaProject.newNameLookup(JavaProject.java:2329)
	at org.eclipse.jdt.internal.core.JavaProject.newNameLookup(JavaProject.java:2339)
	at org.eclipse.jdt.internal.core.JavaProject.findType(JavaProject.java:1357)
	at org.eclipse.jdt.internal.core.JavaProject.findType(JavaProject.java:1264)
	at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfigFactory.create(BeansConfigFactory.java:51)
	at org.springframework.ide.eclipse.beans.core.internal.model.BeansConfigFactory.create(BeansConfigFactory.java:39)
	at org.springframework.ide.eclipse.beans.core.internal.model.BeansProject.addConfig(BeansProject.java:348)
	at org.springframework.ide.eclipse.beans.core.internal.project.BeansProjectDescriptionHandler.endElement(BeansProjectDescriptionHandler.java:202)
	at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.endElement(AbstractSAXParser.java:609)
	at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanEndElement(XMLDocumentFragmentScannerImpl.java:1782)
	at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2973)
	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:648)
	at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl.parse(SAXParserImpl.java:332)
	at org.springframework.ide.eclipse.beans.core.internal.project.BeansProjectDescriptionReader.readDescriptionFromFile(BeansProjectDescriptionReader.java:81)
	at org.springframework.ide.eclipse.beans.core.internal.project.BeansProjectDescriptionReader.read(BeansProjectDescriptionReader.java:61)
	at org.springframework.ide.eclipse.beans.core.internal.model.BeansProject.populateModel(BeansProject.java:1026)
	at org.springframework.ide.eclipse.beans.core.internal.model.BeansProject.getConfigs(BeansProject.java:684)
	at org.springframework.ide.eclipse.beans.core.internal.model.BeansProject.accept(BeansProject.java:166)
	at org.springframework.ide.eclipse.beans.core.internal.model.BeansModel.start(BeansModel.java:152)
	at org.springframework.ide.eclipse.beans.core.BeansCorePlugin$2.run(BeansCorePlugin.java:195)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)