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Eclipse only launches if I delete the plug ins folder in my workspace

To give you guys some context, I have very basic experience with Java, and im using Eclipse on windows 7. Whenever I save a project on Eclipse and exit, the next time I try to launch it, it gives me a message telling me there's been an error and to look at the log. If I either delete my whole workspace, or delete the plug ins folder it launches perfectly, but the next time I exit it won't launch again since the plug ins folder is back.
This is a paste of the first two entries of the log, i have no idea what it means.
!SESSION 2016-08-30 16:20:45.457 -----------------------------------------------
eclipse.buildId=4.6.0.I20160606-1100
java.version=1.8.0_101
java.vendor=Oracle Corporation
BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=en_CA
Framework arguments: -product org.eclipse.epp.package.java.product
Command-line arguments: -os win32 -ws win32 -arch x86_64 -product org.eclipse.epp.package.java.product
This is a continuation of log file C:\Users\User\workspace\.metadata\.bak_0.log
Created Time: 2016-08-30 16:20:53.379
!ENTRY org.eclipse.ui.workbench 4 0 2016-08-30 16:20:53.379
!MESSAGE Widget is disposed
!STACK 0
org.eclipse.swt.SWTException: Widget is disposed
at org.eclipse.swt.SWT.error(SWT.java:4533)
at org.eclipse.swt.SWT.error(SWT.java:4448)
at org.eclipse.swt.SWT.error(SWT.java:4419)
at org.eclipse.swt.widgets.Display.error(Display.java:1262)
at org.eclipse.swt.widgets.Display.checkDevice(Display.java:747)
at org.eclipse.swt.widgets.Display.getShells(Display.java:2248)
at org.eclipse.ui.internal.progress.ProgressManagerUtil.getModalShellExcluding(ProgressManagerUtil.java:321)
at org.eclipse.ui.internal.progress.ProgressManagerUtil.getDefaultParent(ProgressManagerUtil.java:376)
at org.eclipse.ui.internal.statushandlers.InternalDialog.<init>(InternalDialog.java:155)
at org.eclipse.ui.internal.statushandlers.WorkbenchStatusDialogManagerImpl.doAddStatusAdapter(WorkbenchStatusDialogManagerImpl.java:260)
at org.eclipse.ui.internal.statushandlers.WorkbenchStatusDialogManagerImpl.addStatusAdapter(WorkbenchStatusDialogManagerImpl.java:197)
at org.eclipse.ui.statushandlers.WorkbenchStatusDialogManager.addStatusAdapter(WorkbenchStatusDialogManager.java:158)
at org.eclipse.ui.statushandlers.WorkbenchErrorHandler.showStatusAdapter(WorkbenchErrorHandler.java:95)
at org.eclipse.ui.statushandlers.WorkbenchErrorHandler.access$0(WorkbenchErrorHandler.java:88)
at org.eclipse.ui.statushandlers.WorkbenchErrorHandler$2.run(WorkbenchErrorHandler.java:63)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:182)
at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4203)
at org.eclipse.swt.widgets.Display.msgFilterProc(Display.java:3533)
!ENTRY org.eclipse.jface 4 0 2016-08-30 16:20:53.381
!MESSAGE An error has occurred. See error log for more details.
!STACK 0
java.lang.NullPointerException
at org.eclipse.ui.actions.RetargetAction.partDeactivated(RetargetAction.java:186)
at org.eclipse.ui.internal.PartService$4.run(PartService.java:123)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.ui.internal.PartService.partDeactivated(PartService.java:120)
at org.eclipse.ui.internal.WorkbenchPage$18.run(WorkbenchPage.java:5030)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.ui.internal.WorkbenchPage.firePartDeactivated(WorkbenchPage.java:5027)
at org.eclipse.ui.internal.WorkbenchPage.access$21(WorkbenchPage.java:5020)
at org.eclipse.ui.internal.WorkbenchPage$E4PartListener.partDeactivated(WorkbenchPage.java:222)
at org.eclipse.e4.ui.internal.workbench.PartServiceImpl$4.run(PartServiceImpl.java:266)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.firePartDeactivated(PartServiceImpl.java:263)
at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:688)
at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.setPart(PartServiceImpl.java:221)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:54)
at org.eclipse.e4.core.internal.contexts.ContextObjectSupplier$ContextInjectionListener.update(ContextObjectSupplier.java:90)
at org.eclipse.e4.core.internal.contexts.TrackableComputationExt.update(TrackableComputationExt.java:111)
at org.eclipse.e4.core.internal.contexts.EclipseContext.processScheduled(EclipseContext.java:343)
at org.eclipse.e4.core.internal.contexts.EclipseContext.set(EclipseContext.java:358)
at org.eclipse.e4.core.internal.contexts.EclipseContext.dispose(EclipseContext.java:197)
at org.eclipse.e4.core.internal.contexts.EclipseContext.dispose(EclipseContext.java:161)
at org.eclipse.e4.core.internal.contexts.EclipseContext.dispose(EclipseContext.java:161)
at org.eclipse.e4.core.internal.contexts.EclipseContext.dispose(EclipseContext.java:161)
at org.eclipse.e4.core.internal.contexts.EclipseContext.dispose(EclipseContext.java:161)
at org.eclipse.e4.core.internal.contexts.osgi.EclipseContextOSGi.dispose(EclipseContextOSGi.java:106)
at org.eclipse.e4.core.internal.contexts.osgi.EclipseContextOSGi.bundleChanged(EclipseContextOSGi.java:139)
at org.eclipse.osgi.internal.framework.BundleContextImpl.dispatchEvent(BundleContextImpl.java:903)
at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148)
at org.eclipse.osgi.internal.framework.EquinoxEventPublisher.publishBundleEventPrivileged(EquinoxEventPublisher.java:213)
at org.eclipse.osgi.internal.framework.EquinoxEventPublisher.publishBundleEvent(EquinoxEventPublisher.java:120)
at org.eclipse.osgi.internal.framework.EquinoxEventPublisher.publishBundleEvent(EquinoxEventPublisher.java:112)
at org.eclipse.osgi.internal.framework.EquinoxContainerAdaptor.publishModuleEvent(EquinoxContainerAdaptor.java:156)
at org.eclipse.osgi.container.Module.publishEvent(Module.java:476)
at org.eclipse.osgi.container.Module.doStop(Module.java:634)
at org.eclipse.osgi.container.Module.stop(Module.java:498)
at org.eclipse.osgi.container.SystemModule.stop(SystemModule.java:191)
at org.eclipse.osgi.internal.framework.EquinoxBundle$SystemBundle$EquinoxSystemModule$1.run(EquinoxBundle.java:165)
at java.lang.Thread.run(Thread.java:745)

I just figured out that if I run eclipse as administrator it works fine.

Eclipse won't open with "an error has occurred"?

I'm running Eclipse Luna on a Mac (Yosemite).
Been using Eclipse for a few months now, when I open Eclipse this morning however I get a popup after the splash screen with "An error has occurred, see the log file."
What I've tried:
Ran Eclipse with -clean argument
I have no .snap file in the resources metadata folder to delete
Completely removed my workspace (well, renamed it)
It doesn't get past the splash screen though.
Here's the log file in case it's helpful:
!SESSION 2015-06-18 07:55:02.645
----------------------------------------------- eclipse.buildId=4.4.2.M20150204-1700 java.version=1.7.0_67
java.vendor=Oracle Corporation BootLoader constants: OS=macosx,
ARCH=x86_64, WS=cocoa, NL=en_US Framework arguments: -product
org.eclipse.epp.package.java.product -keyring
/Users/ralph/.eclipse_keyring -showlocation Command-line arguments:
-os macosx -ws cocoa -arch x86_64 -product org.eclipse.epp.package.java.product -keyring
/Users/ralph/.eclipse_keyring -showlocation
!ENTRY org.eclipse.osgi 4 0 2015-06-18 07:55:06.268 !MESSAGE
Application error !STACK 1 java.lang.ClassFormatError: Invalid pc in LineNumberTable in class file org/eclipse/swt/widgets/Button
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
at org.eclipse.osgi.internal.loader.ModuleClassLoader.defineClass(ModuleClassLoader.java:272)
at org.eclipse.osgi.internal.loader.classpath.ClasspathManager.defineClass(ClasspathManager.java:632)
at org.eclipse.osgi.internal.loader.classpath.ClasspathManager.findClassImpl(ClasspathManager.java:588)
at org.eclipse.osgi.internal.loader.classpath.ClasspathManager.findLocalClassImpl(ClasspathManager.java:550)
at org.eclipse.osgi.internal.loader.classpath.ClasspathManager.findLocalClass(ClasspathManager.java:527)
at org.eclipse.osgi.internal.loader.ModuleClassLoader.findLocalClass(ModuleClassLoader.java:324)
at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:320)
at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:395)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:345)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:337)
at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:160)
at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Class.java:2570)
at java.lang.Class.getMethod0(Class.java:2813)
at java.lang.Class.getMethod0(Class.java:2822)
at java.lang.Class.getMethod(Class.java:1663)
at org.eclipse.ui.internal.WorkbenchPlugin.getSplashShell(WorkbenchPlugin.java:1346)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:114)
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: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:648)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:603)
at org.eclipse.equinox.launcher.Main.run(Main.java:1465)

Did you kill the jvm process with the task manager?? If you do, maybe your workspace has been corrupted. You have to make a new workspace. It happened to me several times.

According to this stackoverflow question, they were able to fix a similar problem by switching JDK versions. Have you recently installed a new JDK?

Oracle Weblogic Portal Eclipse oepe_11gR1PS4 hangs while developing "Discovering controls"

In the configuration folder, getting the following as log, and in eclipse it hangs with discovering controls. Also while building the project, eclipse hangs. Please suggest a solution to this problem.
!SESSION 2015-05-18 11:50:46.623 -----------------------------------------------
eclipse.buildId=I20120608-1200
java.version=1.6.0_29
java.vendor=Oracle Corporation
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=en_US
Command-line arguments: -os win32 -ws win32 -arch x86 -clean
!ENTRY org.eclipse.osgi 4 0 2015-05-18 11:50:52.174
!MESSAGE The -clean (osgi.clean) option was not successful. Unable to clean the storage area: C:\Oracle\Middleware\oepe_11gR1PS4\configuration\org.eclipse.osgi
!ENTRY org.eclipse.osgi 4 0 2015-05-18 11:58:06.286
!MESSAGE Application error
!STACK 1
org.eclipse.swt.SWTError: No more handles
at org.eclipse.swt.SWT.error(SWT.java:4387)
at org.eclipse.swt.SWT.error(SWT.java:4276)
at org.eclipse.swt.SWT.error(SWT.java:4247)
at org.eclipse.swt.widgets.Widget.error(Widget.java:468)
at org.eclipse.swt.widgets.Control.createHandle(Control.java:704)
at org.eclipse.swt.widgets.Composite.createHandle(Composite.java:305)
at org.eclipse.swt.widgets.Decorations.createHandle(Decorations.java:420)
at org.eclipse.swt.widgets.Shell.createHandle(Shell.java:584)
at org.eclipse.swt.widgets.Control.createWidget(Control.java:744)
at org.eclipse.swt.widgets.Scrollable.createWidget(Scrollable.java:134)
at org.eclipse.swt.widgets.Decorations.createWidget(Decorations.java:428)
at org.eclipse.swt.widgets.Shell.<init>(Shell.java:297)
at org.eclipse.swt.widgets.Shell.<init>(Shell.java:375)
at org.eclipse.jface.window.Window.createShell(Window.java:487)
at org.eclipse.jface.window.Window.create(Window.java:430)
at org.eclipse.jface.dialogs.Dialog.create(Dialog.java:1089)
at org.eclipse.jface.window.Window.open(Window.java:790)
at org.eclipse.ui.internal.ide.ChooseWorkspaceDialog.prompt(ChooseWorkspaceDialog.java:91)
at org.eclipse.ui.internal.ide.application.IDEApplication.promptForWorkspace(IDEApplication.java:297)
at org.eclipse.ui.internal.ide.application.IDEApplication.checkInstanceLocation(IDEApplication.java:238)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:113)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)

Application "org.eclipse.cdt.managedbuilder.core.headlessbuild" could not be found in the registry

I'm trying to import a bunch of Eclipse Java projects into a workspace (called "TestWorkSpace") and I want to do this via batch script. I'm running into a bit of an issue:
Error shown in .metadata/.log
!SESSION 2014-08-05 09:18:58.272 -----------------------------------------------
eclipse.buildId=4.4.0.I20140606-1215
java.version=1.8.0_05
java.vendor=Oracle Corporation
BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=en_US
Framework arguments: -product org.eclipse.epp.package.standard.product -application org.eclipse.cdt.managedbuilder.core.headlessbuild -importAll /trunk
Command-line arguments: -os win32 -ws win32 -arch x86_64 -product org.eclipse.epp.package.standard.product -data testworkspace -application org.eclipse.cdt.managedbuilder.core.headlessbuild -importAll /trunk
!ENTRY org.eclipse.osgi 4 0 2014-08-05 09:19:03.240
!MESSAGE Application error
!STACK 1
java.lang.RuntimeException: Application "org.eclipse.cdt.managedbuilder.core.headlessbuild" could not be found in the registry. The applications available are: org.eclipse.ant.core.antRunner, org.eclipse.ant.ui.antRunner, org.eclipse.e4.ui.workbench.swt.E4Application, org.eclipse.e4.ui.workbench.swt.GenTopic, 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.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.
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:382)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:236)
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:483)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:648)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:603)
at org.eclipse.equinox.launcher.Main.run(Main.java:1465)
Command Used in batch script
"C:\Program Files (x86)\eclipse\eclipsec.exe" -data testworkspace -application org.eclipse.cdt.managedbuilder.core.headlessbuild -importAll /trunk
Any help is much appreciated! Thank you

The org.eclipse.cdt.managedbuilder.core.headlessbuild application is part of the Eclipse C/C++ Development Tools (CDT), so you need to have that installed in order to use this application.
Neither the core Eclipse nor the Java Development Tools has a headless import tool.
You can import multiple existing projects using the 'File > Import > Existing Projects into Workspace' tool - but that requires using the Eclipse GUI.

Eclipse PHP Developer Tools crash after opening a PHP file

i've a problem with eclipse on windows. Eclipse is crashing after opening a file. See details:
im using eclipse PDT (PHP Developer Tools) helios 64-Bit BuildId 20100617-1415.
Im using a Windows 7 64-Bit 4GB RAM 3,00 GHZ DualCore. Here my Javaversion:
JAVA_VERSION="1.7.0"
OS_NAME="Windows"
OS_VERSION="5.2"
OS_ARCH="amd64"
SOURCE=" .:6c778574d873 corba:e2f0036f712a deploy:ff2d46573ceb hotspot:6c6a2299029a hotspot/make/closed:80b9d510a421 hotspot/src/closed:634748630fb2 hotspot/test/closed:c481bad2398f install:0c651f8a91c5 jaxp:114654a331e2 jaxws:81a1b110f70c jdk:d19a89fdfb9b jdk/make/closed:b5692ae0a608 jdk/src/closed:191255f238f8 jdk/test/closed:436a6034af75 langtools:4d0807934c30 pubs:d1669b0287b0 sponsors:b93d7ce5ce71"
BUILD_TYPE=commercial
I used the Windows Offline (64-Bit) Download-Link from this Java Site:
http://www.java.com/de/download/manual.jsp.
I've created a new Project in Windows, then i copied the code in Windows-Explorer in the workspace/project-folder and execute the refresh-command over the whole project.
When i'm trying to open a file in the project, eclipse says no response. So that i only can kill the process. The last time i get a errormessage:
!SESSION 2014-04-02 12:39:23.739 -----------------------------------------------
eclipse.buildId=I20100608-0911
java.version=1.7.0_51
java.vendor=Oracle Corporation
BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=de_DE
Framework arguments: -product org.eclipse.epp.package.php.product
Command-line arguments: -os win32 -ws win32 -arch x86_64 -product org.eclipse.epp.package.php.product
!ENTRY org.eclipse.core.jobs 4 2 2014-04-02 12:52:55.074
!MESSAGE An internal error occurred during: "Validating Stadtbäckerei am Gänsemarkt - Hamburg".
!STACK 0
java.lang.OutOfMemoryError: PermGen space
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.defineClass(DefaultClassLoader.java:188)
at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.defineClass(ClasspathManager.java:580)
at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findClassImpl(ClasspathManager.java:550)
at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClassImpl(ClasspathManager.java:481)
at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass_LockClassName(ClasspathManager.java:460)
at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:447)
at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:216)
at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:393)
at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:469)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:422)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:410)
at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.defineClass(DefaultClassLoader.java:188)
at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.defineClass(ClasspathManager.java:580)
at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findClassImpl(ClasspathManager.java:550)
at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClassImpl(ClasspathManager.java:481)
at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass_LockClassName(ClasspathManager.java:460)
at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:447)
at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:216)
at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:393)
at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:469)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:422)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:410)
at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
!ENTRY org.eclipse.ui 4 0 2014-04-02 12:53:35.607
!MESSAGE Unhandled event loop exception
!STACK 0
java.lang.OutOfMemoryError: PermGen space
!SESSION 2014-04-02 12:55:16.688 -----------------------------------------------
eclipse.buildId=I20100608-0911
java.version=1.7.0_51
java.vendor=Oracle Corporation
BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=de_DE
Framework arguments: -product org.eclipse.epp.package.php.product
Command-line arguments: -os win32 -ws win32 -arch x86_64 -product org.eclipse.epp.package.php.product
!ENTRY org.eclipse.core.resources 2 10035 2014-04-02 12:55:22.296
!MESSAGE The workspace exited with unsaved changes in the previous session; refreshing workspace to recover changes.
!SESSION Wed Apr 02 13:52:19 CEST 2014 -----------------------------------------
!ENTRY org.eclipse.equinox.launcher 4 0 2014-04-02 13:52:19.445
!MESSAGE Exception launching the Eclipse Platform:
!STACK
java.lang.OutOfMemoryError: PermGen space
Can someone help me? I want to work with eclipse, but it seems that i've to use an other IDE for Webdeveloping.

Your JVM has exhausted the limit on Permanent Generation (PermGen) memory (which is not the general heap). Please see http://wiki.eclipse.org/IRC_FAQ#I.27m_having_memory.2C_heap.2C_or_permgen_problems.2C_what_can_I_do.3F , https://wiki.eclipse.org/FAQ_How_do_I_increase_the_permgen_size_available_to_Eclipse%3F , and http://eclipsenuggets.blogspot.com/2007/10/does-your-eclipse-3.html .