Eclipse在启动5-10分钟后消失。这刚开始发生在过去5天左右。我试图确保一切都在最新版本。在这一点上，日食几乎无法使用。任何帮助将不胜感激。日志中的堆栈跟踪如下所示。
!SESSION 2016-11-28 11:54:36.680 -----------------------------------------------
eclipse.buildId=4.6.1.M20160907-1200
java.version=1.8.0_111
java.vendor=Oracle Corporation
BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US
Framework arguments: -product org.eclipse.epp.package.reporting.product
Command-line arguments: -os linux -ws gtk -arch x86_64 -product org.eclipse.epp.package.reporting.product
This is a continuation of log file /home/ses44/workspace/.metadata/.bak_8.log
Created Time: 2016-11-28 11:55:30.418
!ENTRY org.eclipse.jst.jsf.core 4 2 2016-11-28 11:55:30.418
!MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.jst.jsf.core".
!STACK 0
java.lang.NullPointerException
at org.eclipse.wst.common.componentcore.internal.util.VirtualReferenceUtilities.getDefaultProjectArchiveName(VirtualReferenceUtilities.java:81)
at org.eclipse.jst.j2ee.componentcore.J2EEModuleVirtualComponent.getJavaClasspathReferences(J2EEModuleVirtualComponent.java:338)
at org.eclipse.jst.j2ee.componentcore.J2EEModuleVirtualComponent.getNonManifestRefs(J2EEModuleVirtualComponent.java:242)
at org.eclipse.jst.j2ee.componentcore.J2EEModuleVirtualComponent.getReferences(J2EEModuleVirtualComponent.java:166)
at org.eclipse.jst.j2ee.componentcore.J2EEModuleVirtualComponent.getReferences(J2EEModuleVirtualComponent.java:214)
at org.eclipse.jst.j2ee.componentcore.J2EEModuleVirtualComponent.getReferences(J2EEModuleVirtualComponent.java:207)
at org.eclipse.jst.jsp.core.internal.util.FacetModuleCoreSupportDelegate.getReferenced(FacetModuleCoreSupportDelegate.java:354)
at org.eclipse.jst.jsp.core.internal.util.FacetModuleCoreSupport.getReferenced(FacetModuleCoreSupport.java:287)
at org.eclipse.jst.jsp.core.taglib.TaglibIndex.internalGetAvailableTaglibRecords(TaglibIndex.java:859)
at org.eclipse.jst.jsp.core.taglib.TaglibIndex.getAvailableTaglibRecords(TaglibIndex.java:495)
at org.eclipse.jst.jsf.core.metadata.internal.TaglibMetaDataLocator.locateMetaDataModelProviders(TaglibMetaDataLocator.java:69)
at org.eclipse.jst.jsf.common.metadata.internal.DomainLoadingStrategy.locateMetaDataSourceInstances(DomainLoadingStrategy.java:143)
at org.eclipse.jst.jsf.common.metadata.internal.DomainLoadingStrategy.load(DomainLoadingStrategy.java:55)
at org.eclipse.jst.jsf.common.metadata.internal.MetaDataModel.load(MetaDataModel.java:93)
at org.eclipse.jst.jsf.common.metadata.internal.MetaDataModelManager.loadMetadata(MetaDataModelManager.java:150)
at org.eclipse.jst.jsf.common.metadata.internal.MetaDataModelManager.getModel(MetaDataModelManager.java:93)
at org.eclipse.jst.jsf.common.metadata.query.internal.MetaDataQueryHelper.getMDModel(MetaDataQueryHelper.java:124)
at org.eclipse.jst.jsf.common.metadata.query.internal.MetaDataQueryHelper.getModel(MetaDataQueryHelper.java:59)
at org.eclipse.jst.jsf.common.metadata.query.internal.MetaDataQueryHelper.getEntities(MetaDataQueryHelper.java:69)
at org.eclipse.jst.jsf.common.metadata.query.internal.MetaDataQueryHelper.getEntity(MetaDataQueryHelper.java:64)
at org.eclipse.jst.jsf.metadataprocessors.MetaDataEnabledProcessingFactory.getAttributeValueRuntimeTypeFeatureProcessors(MetaDataEnabledProcessingFactory.java:102)
at org.eclipse.jst.jsf.metadataprocessors.MetaDataEnabledProcessingFactory.getAttributeValueRuntimeTypeFeatureProcessors(MetaDataEnabledProcessingFactory.java:176)
at org.eclipse.jst.jsf.validation.internal.strategy.AttributeValidatingStrategy.validateNonELAttributeValue(AttributeValidatingStrategy.java:695)
at org.eclipse.jst.jsf.validation.internal.strategy.AttributeValidatingStrategy.access$1(AttributeValidatingStrategy.java:672)
at org.eclipse.jst.jsf.validation.internal.strategy.AttributeValidatingStrategy$1.run(AttributeValidatingStrategy.java:186)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.jst.jsf.validation.internal.strategy.AttributeValidatingStrategy.validateAttributeValue(AttributeValidatingStrategy.java:168)
at org.eclipse.jst.jsf.validation.internal.strategy.AttributeValidatingStrategy.validate(AttributeValidatingStrategy.java:144)
at org.eclipse.jst.jsf.validation.internal.XMLViewDefnValidator.validateTag(XMLViewDefnValidator.java:99)
at org.eclipse.jst.jsf.validation.internal.XMLViewDefnValidator.validateRegions(XMLViewDefnValidator.java:177)
at org.eclipse.jst.jsf.validation.internal.XMLViewDefnValidator.validateView(XMLViewDefnValidator.java:134)
at org.eclipse.jst.jsf.facelet.ui.internal.validation.DefaultFaceletValidationStrategy.doValidate(DefaultFaceletValidationStrategy.java:42)
at org.eclipse.jst.jsf.facelet.ui.internal.validation.AbstractFaceletValidationStrategy.validateFile(AbstractFaceletValidationStrategy.java:96)
at org.eclipse.jst.jsf.facelet.ui.internal.validation.HTMLValidator.validate(HTMLValidator.java:57)
at org.eclipse.wst.validation.Validator$V2.validate(Validator.java:1159)
at org.eclipse.wst.validation.internal.ValManager.validate(ValManager.java:704)
at org.eclipse.wst.validation.internal.ValManager$1.visit(ValManager.java:665)
at org.eclipse.wst.validation.internal.ValManager.accept(ValManager.java:810)
at org.eclipse.wst.validation.internal.ValManager.validate(ValManager.java:669)
at org.eclipse.wst.validation.internal.ValBuilderJob$Visitor.visit(ValBuilderJob.java:299)
at org.eclipse.core.internal.resources.Resource$2.visit(Resource.java:120)
at org.eclipse.core.internal.resources.Resource$1.visitElement(Resource.java:84)
at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:82)
at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:87)
at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:87)
at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:87)
at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:87)
at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:87)
at org.eclipse.core.internal.watson.ElementTreeIterator.iterate(ElementTreeIterator.java:129)
at org.eclipse.core.internal.resources.Resource.accept(Resource.java:94)
at org.eclipse.core.internal.resources.Resource.accept(Resource.java:52)
at org.eclipse.core.internal.resources.Resource.accept(Resource.java:117)
at org.eclipse.core.internal.resources.Resource.accept(Resource.java:105)
at org.eclipse.wst.validation.internal.ValBuilderJob.fullBuild(ValBuilderJob.java:219)
at org.eclipse.wst.validation.internal.ValBuilderJob.run(ValBuilderJob.java:178)
at org.eclipse.wst.validation.internal.ValBuilderJob.runInWorkspace(ValBuilderJob.java:126)
at org.eclipse.core.internal.resources.InternalWorkspaceJob.run(InternalWorkspaceJob.java:39)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)