解决eclipse启动时报错Unable to acquire application service

下面时本人使用eclipse时出现的错误以及解决方案，写此日志来记录，如果有童鞋碰到这种情况，希望对你有所帮助！！

本人错误信息：!SESSION 2016-01-29 13:15:08.656 -----------------------------------------------

eclipse.buildId=4.5.1.M20150904-0015

java.version=1.7.0_79

java.vendor=Oracle Corporation

BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=zh_CN

Framework arguments:  --startup plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -product org.eclipse.epp.package.jee.product

Command-line arguments:  -os win32 -ws win32 -arch x86 --startup plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -product org.eclipse.epp.package.jee.product

!ENTRY org.eclipse.jdt.annotation 2 0 2016-01-29 13:15:11.065

!MESSAGE Could not resolve module: org.eclipse.jdt.annotation [368]

  Unresolved requirement: Require-Capability: osgi.ee; filter:="(&(osgi.ee=JavaSE)(version=1.8))"

!ENTRY org.eclipse.osgi 4 0 2016-01-29 13:15:11.065

!MESSAGE Application error

!STACK 1

java.lang.RuntimeException: Application "" could not be found in the registry. The applications available are: org.eclipse.ant.core.antRunner, org.eclipse.ant.ui.antRunner, org.eclipse.datatools.connectivity.console.profile.StorageFileEditor, org.eclipse.e4.ui.workbench.swt.E4Application,
org.eclipse.e4.ui.workbench.swt.GenTopic, org.eclipse.emf.codegen.CodeGen, org.eclipse.emf.codegen.JMerger, org.eclipse.emf.codegen.ecore.Generator, org.eclipse.emf.importer.ecore.Ecore2GenModel, org.eclipse.emf.importer.java.Java2GenModel, org.eclipse.emf.importer.rose.Rose2GenModel,
org.eclipse.equinox.app.error, org.eclipse.equinox.p2.director, org.eclipse.equinox.p2.garbagecollector.application, org.eclipse.equinox.p2.publisher.InstallPublisher, org.eclipse.equinox.p2.publisher.EclipseGenerator, org.eclipse.equinox.p2.publisher.ProductPublisher,
org.eclipse.equinox.p2.publisher.FeaturesAndBundlesPublisher, org.eclipse.equinox.p2.reconciler.application, org.eclipse.equinox.p2.repository.repo2runnable, org.eclipse.equinox.p2.repository.metadataverifier, org.eclipse.equinox.p2.artifact.repository.mirrorApplication,
org.eclipse.equinox.p2.metadata.repository.mirrorApplication, org.eclipse.equinox.p2.touchpoint.natives.nativePackageExtractor, org.eclipse.equinox.p2.updatesite.UpdateSitePublisher, org.eclipse.equinox.p2.publisher.UpdateSitePublisher, org.eclipse.equinox.p2.publisher.CategoryPublisher,
org.eclipse.help.base.infocenterApplication, org.eclipse.help.base.helpApplication, org.eclipse.help.base.indexTool, org.eclipse.jdt.apt.core.aptBuild, org.eclipse.jdt.core.JavaCodeFormatter, org.eclipse.jdt.core.JavaIndexer, org.eclipse.pde.build.Build, org.eclipse.pde.junit.runtime.uitestapplication,
org.eclipse.pde.junit.runtime.legacytestapplication, org.eclipse.pde.junit.runtime.coretestapplication, org.eclipse.pde.junit.runtime.coretestapplicationnonmain, org.eclipse.pde.junit.runtime.nonuithreadtestapplication, org.eclipse.ui.ide.workbench, org.eclipse.wst.jsdt.core.JavaCodeFormatter,
org.eclipse.wst.server.preview.preview.
at org.eclipse.equinox.internal.app.EclipseAppContainer.startDefaultApp(EclipseAppContainer.java:248)
at org.eclipse.equinox.internal.app.MainApplicationLauncher.run(MainApplicationLauncher.java:29)
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:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
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)

解决方法为：查看eclipse/configuration下的config.ini文件,首先看eclipse.product和eclipse.Application这2行，若这2行为空，则需要添加配置信息；

配置信息为：eclipse.product=org.eclipse.platform.ide；eclipse.application=org.eclipse.ui.ide.workbench