The Below error comes while working with GUI mode.
Event At the start of IDE the First Error Comes.
Please help me find the prob.

ERRORS :
1]
autoupdate/1 (1.4/36); org.netbeans.modules.debugger.core/1 (1.1.6.1/36); org.ne
tbeans.modules.applet/1 (1.4/36); org.netbeans.modules.debugger.debug/1 (1.6/36)
; org.netbeans.modules.debugger.jpda/1 (1.6/36); org.netbeans.modules.editor/1 (
1.5.0.1/36); org.netbeans.modules.jarpackager/1 (1.4/36); org.netbeans.modules.j
ava/1 (1.4/36); org.netbeans.modules.beans/1 (1.4/36); org.netbeans.modules.form
/1 (1.4/36); org.netbeans.modules.javadoc/1 (1.4/36); org.netbeans.modules.objec
tbrowser/1 (1.4/36); org.netbeans.modules.projects/1 (1.4/36); org.netbeans.modu
les.scripting/1 (1.1/001); org.netbeans.modules.utilities/1 (1.4/36); org.netbea
ns.modules.vcs.cmdline/1 (1.5/36); org.netbeans.modules.web.core/1 (1.1.4/36); o
rg.netbeans.modules.apisupport (2.0/release-2.0); org.netbeans.modules.innertest
ers (0.1/dev-16); org.netbeans.modules.jini/1 (1.2.1/30-nov-00); org.netbeans.mo
dules.logger/1 (1.0/22-dec-00); org.netbeans.modules.remotefs/1 (1.0/dev-16); or
g.netbeans.modules.serialversion/1 (0.2/dev-16); org.netbeans.modules.sysprops (
1.1/dev-16)
Type Groups Level Module Name
---- ------ ----- -----------
err    *     255   * (Default)

Type Groups Level Module Name
---- ------ ----- -----------
err    *     255   * (Default)

path="" :jsp: init
Internal HTTP server running on port 8082



2]
Mon Mar 27 14:47:14 GMT+05:30 2000org.netbeans.lib.javac.v8.util.FatalError: 
null
Exception occurred in Request Processor
org.netbeans.lib.javac.v8.util.FatalError: Fatal Error: Unable to locate 
package java.lang in classpath or bootclasspath
        at org.netbeans.lib.javac.v8.comp.Enter$MemberEnter.importAll
(Enter.java, Compiled Code)
        at org.netbeans.lib.javac.v8.comp.Enter$MemberEnter._case(Enter.java, 
Compiled Code)
        at org.netbeans.lib.javac.v8.comp.ParsingEnter$ClazzMemberEnter._case
(ParsingEnter.java:346)
        at org.netbeans.lib.javac.v8.tree.Tree$TopLevel.visit(Tree.java:326)
        at org.netbeans.lib.javac.v8.comp.Enter$MemberEnter.memberEnter
(Enter.java:759)
        at org.netbeans.lib.javac.v8.comp.Enter$CompleteEnter.complete
(Enter.java, Compiled Code)
        at org.netbeans.lib.javac.v8.code.Symbol.complete(Symbol.java:344)
        at org.netbeans.lib.javac.v8.comp.Enter.main(Enter.java, Compiled Code)
        at org.netbeans.modules.java.gj.ParserEngine.parseObject
(ParserEngine.java:135)
        at org.netbeans.modules.java.gj.JavaParserEngine.process
(JavaParserEngine.java:73)
        at org.netbeans.modules.java.V8ParseRequest.process
(V8ParseRequest.java:340)
        at org.netbeans.modules.java.SourceElementImpl$DataRef.run
(SourceElementImpl.java, Compiled Code)
        at org.openide.util.Task.run(Task.java, Compiled Code)
        at org.openide.util.RequestProcessor$ProcessorThread.run
(RequestProcessor.java, Compiled Code)
org.openide.util.RequestProcessor$Holder(task 
org.netbeans.modules.java.SourceElementImpl$DataRef@a53b940 [-44704, 3])
        at org.openide.util.RequestProcessor$Task.createHolder
(RequestProcessor.java, Compiled Code)
        at java.lang.Exception.<init>(Exception.java, Compiled Code)
        at org.openide.util.RequestProcessor$Holder.<init>
(RequestProcessor.java, Compiled Code)
        at org.openide.util.RequestProcessor$Task.createHolder
(RequestProcessor.java, Compiled Code)
        at org.openide.util.RequestProcessor$Task.schedule
(RequestProcessor.java, Compiled Code)
        at org.netbeans.modules.java.SourceElementImpl.parseObject
(SourceElementImpl.java:739)
        at org.netbeans.modules.java.SourceElementImpl.prepare
(SourceElementImpl.java:148)
        at org.openide.src.SourceElement.prepare(SourceElement.java:82)
        at org.openide.src.nodes.SourceChildren.refreshKeys
(SourceChildren.java:245)
        at org.openide.src.nodes.SourceChildren.addNotify
(SourceChildren.java:154)
        at org.openide.nodes.Children.callAddNotify(Children.java, Compiled 
Code)
        at org.openide.nodes.ChildrenArray.create(ChildrenArray.java, Compiled 
Code)
        at org.openide.nodes.Children.getArray(Children.java, Compiled Code)
        at org.openide.nodes.Children.computeNodes(Children.java, Compiled Code)
        at org.openide.nodes.Children$Array.refreshImpl(Children.java:1024)
        at org.openide.nodes.Children$7.run(Children.java:1074)
        at org.openide.util.Mutex.writeAccess(Mutex.java, Compiled Code)
        at org.openide.nodes.Children$Array.add(Children.java:1071)
        at org.openide.nodes.Children$Keys.add(Children.java:1542)
        at org.netbeans.modules.form.FormEditorSupport.loadFormInternal
(FormEditorSupport.java, Compiled Code)
        at org.netbeans.modules.form.FormTopComponent.readExternal
(FormTopComponent.java:164)
        at org.openide.windows.TopComponent$Replacer.readObject
(TopComponent.java:687)
        at java.lang.reflect.Method.invoke(Native Method)
        at java.io.ObjectInputStream.invokeObjectReader(ObjectInputStream.java, 
Compiled Code)
        at java.io.ObjectInputStream.inputObject(ObjectInputStream.java, 
Compiled Code)
        at java.io.ObjectInputStream.readObject(ObjectInputStream.java, 
Compiled Code)
        at java.io.ObjectInputStream.readObject(ObjectInputStream.java, 
Compiled Code)
        at org.openide.util.io.NbMarshalledObject.get(NbMarshalledObject.java, 
Compiled Code)
        at 
org.netbeans.core.windows.WindowManagerImpl$TopComponentManager.validateData
(WindowManagerImpl.java:1217)
        at org.netbeans.core.windows.MultiTabContainer.validateData
(MultiTabContainer.java, Compiled Code)
        at org.netbeans.core.windows.ModeImpl.validateData(ModeImpl.java, 
Compiled Code)
        at org.netbeans.core.windows.WorkspaceImpl.validateData
(WorkspaceImpl.java, Compiled Code)
        at 
org.netbeans.core.windows.WindowManagerImpl$SerializationReplacer.readResolve
(WindowManagerImpl.java, Compiled 

Code)
        at java.lang.reflect.Method.invoke(Native Method)
        at java.io.ObjectStreamClass.invokeMethod(ObjectStreamClass.java, 
Compiled Code)
        at java.io.ObjectInputStream.readObject(ObjectInputStream.java, 
Compiled Code)
        at java.io.ObjectInputStream.readObject(ObjectInputStream.java, 
Compiled Code)
        at org.openide.util.io.NbMarshalledObject.get(NbMarshalledObject.java, 
Compiled Code)
        at org.openidex.projects.ProjectSupport.updateWindowManager
(ProjectSupport.java:310)
        at org.openidex.projects.ProjectSupport.projectOpen
(ProjectSupport.java, Compiled Code)
        at org.netbeans.modules.projects.PSupport.projectOpen(PSupport.java:161)
        at org.netbeans.core.NbProjectOperation.setProject
(NbProjectOperation.java:146)
        at org.netbeans.core.NbProjectOperation.openOrCreateProject
(NbProjectOperation.java:198)
        at org.netbeans.core.NonGui.run(NonGui.java:442)
        at org.netbeans.core.Main.run(Main.java:153)
        at org.openide.TopManager.initializeTopManager(TopManager.java:120)
        at org.openide.TopManager.getDefault(TopManager.java, Compiled Code)
        at org.netbeans.core.Main.main(Main.java:238)
        at org.netbeans.core.TopThreadGroup.run(TopThreadGroup.java:90)
[catch] at java.lang.Thread.run(Thread.java:479)