Ola galera estou com um erro IOExepition que provavelmente vem do arquivo layer.xml, sou novo em java entaum nao conheço muti coisa segue o erro que ele mostra.
org.xml.sax.SAXParseException: Element type "file" must be followed by either attribute specifications, ">" or "/>".
at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(ErrorHandlerWrapper.java:195)
at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.fatalError(ErrorHandlerWrapper.java:174)
at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:388)
at com.sun.org.apache.xerces.internal.impl.XMLScanner.reportFatalError(XMLScanner.java:1414)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.seekCloseOfStartTag(XMLDocumentFragmentScannerImpl.java:1395)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanStartElement(XMLDocumentFragmentScannerImpl.java:1328)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2755)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:648)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:511)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:808)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:737)
at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:119)
at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1132)
at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:533)
at org.openide.filesystems.XMLFileSystem.setXmlUrls(XMLFileSystem.java:356)
Caused: java.io.IOException: jar:file:/C:/Documents%20and%20Settings/jcsouza/Meus%20documentos/NetBeansProjects/TaskManager/TaskManagers/WindowSystemExamples/build/cluster/modules/com-netbeansrcp-custommodes.jar!/com/netbeansrcp/custommodes/layer.xml
at org.openide.filesystems.XMLFileSystem.setXmlUrls(XMLFileSystem.java:364)
at org.openide.filesystems.XMLFileSystem.setXmlUrls(XMLFileSystem.java:300)
at org.netbeans.core.startup.layers.LayerCacheManager$1Updater.run(LayerCacheManager.java:168)
at org.openide.filesystems.EventControl.runAtomicAction(EventControl.java:125)
at org.openide.filesystems.FileSystem.runAtomicAction(FileSystem.java:542)
at org.openide.filesystems.FileUtil.runAtomicAction(FileUtil.java:563)
at org.netbeans.core.startup.layers.LayerCacheManager.store(LayerCacheManager.java:179)
at org.netbeans.core.startup.layers.ModuleLayeredFileSystem.setURLs(ModuleLayeredFileSystem.java:258)
at org.netbeans.core.startup.layers.ModuleLayeredFileSystem.addURLs(ModuleLayeredFileSystem.java:277)
at org.netbeans.core.startup.NbInstaller.loadLayers(NbInstaller.java:605)
at org.netbeans.core.startup.NbInstaller.load(NbInstaller.java:331)
at org.netbeans.ModuleManager.enable(ModuleManager.java:944)
at org.netbeans.core.startup.ModuleList.installNew(ModuleList.java:318)
at org.netbeans.core.startup.ModuleList.trigger(ModuleList.java:254)
at org.netbeans.core.startup.ModuleSystem.restore(ModuleSystem.java:286)
at org.netbeans.core.startup.Main.getModuleSystem(Main.java:172)
at org.netbeans.core.startup.Main.start(Main.java:302)
at org.netbeans.core.startup.TopThreadGroup.run(TopThreadGroup.java:114)
[catch] at java.lang.Thread.run(Thread.java:662)
e segue layer.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE filesystem PUBLIC "-//NetBeans//DTD Filesystem 1.2//EN" "http://www.netbeans.org/dtds/filesystem-1_2.dtd">
<filesystem>
<folder name="Actions">
<folder name="Window">
<file name="com-netbeansrcp-custommodes-BlueAction.instance">
<attr name="component" methodvalue="com.netbeansrcp.custommodes.BlueTopComponent.findInstance"/>
<attr name="displayName" bundlevalue="com.netbeansrcp.custommodes.Bundle#CTL_BlueAction"/>
<attr name="instanceCreate" methodvalue="org.openide.windows.TopComponent.openAction"/>
</file>
<file name="com-netbeansrcp-custommodes-BlueTopComponentWstcgrpAction.instance">
<attr name="component" methodvalue="com.netbeansrcp.custommodes.BlueTopComponentWstcgrpTopComponent.findInstance"/>
<attr name="displayName" bundlevalue="com.netbeansrcp.custommodes.Bundle#CTL_BlueTopComponentWstcgrpAction"/>
<attr name="instanceCreate" methodvalue="org.openide.windows.TopComponent.openAction"/>
</file>
<file name="com-netbeansrcp-custommodes-RedAction.instance">
<attr name="component" methodvalue="com.netbeansrcp.custommodes.RedTopComponent.findInstance"/>
<attr name="displayName" bundlevalue="com.netbeansrcp.custommodes.Bundle#CTL_RedAction"/>
<attr name="instanceCreate" methodvalue="org.openide.windows.TopComponent.openAction"/>
</file>
<file name="com-netbeansrcp-custommodes-RedTopComponentWstcgrpAction.instance">
<attr name="component" methodvalue="com.netbeansrcp.custommodes.RedTopComponentWstcgrpTopComponent.findInstance"/>
<attr name="displayName" bundlevalue="com.netbeansrcp.custommodes.Bundle#CTL_RedTopComponentWstcgrpAction"/>
<attr name="instanceCreate" methodvalue="org.openide.windows.TopComponent.openAction"/>
</file>
</folder>
</folder>
<folder name="Menu">
<folder name="Window">
<file name="BlueAction.shadow">
<attr name="originalFile" stringvalue="Actions/Window/com-netbeansrcp-custommodes-BlueAction.instance"/>
</file>
<file name="BlueTopComponentWstcgrpAction.shadow">
<attr name="originalFile" stringvalue="Actions/Window/com-netbeansrcp-custommodes-BlueTopComponentWstcgrpAction.instance"/>
</file>
<file name="RedAction.shadow">
<attr name="originalFile" stringvalue="Actions/Window/com-netbeansrcp-custommodes-RedAction.instance"/>
</file>
<file name="RedTopComponentWstcgrpAction.shadow">
<attr name="originalFile" stringvalue="Actions/Window/com-netbeansrcp-custommodes-RedTopComponentWstcgrpAction.instance"/>
</file>
</folder>
</folder>
<folder name="Windows2">
<folder name="Components">
<file name="BlueTopComponent.settings" url="BlueTopComponentSettings.xml"/>
<file name="BlueTopComponentWstcgrpTopComponent.settings" url="BlueTopComponentWstcgrpTopComponentSettings.xml"/>
<file name="RedTopComponent.settings" url="RedTopComponentSettings.xml"/>
<file name="RedTopComponentWstcgrpTopComponent.settings" url="RedTopComponentWstcgrpTopComponentSettings.xml"/>
</folder>
<folder name="Modes">
<folder name="editor">
<file name="BlueTopComponentWstcgrpTopComponent.wstcref" url="BlueTopComponentWstcgrpTopComponentWstcref.xml"/>
<file name="RedTopComponentWstcgrpTopComponent.wstcref" url="RedTopComponentWstcgrpTopComponentWstcref.xml"/>
</folder>
<file name="mode1.wsmode" url="mode1.wsmode"/>
<file name="mode2.wsmode" url="mode2.wsmode"/>
<folder name="mode1">
<file name="RedTopComponent.wstcref" url="RedTopComponentWstcref.xml"/>
</folder>
<folder name="mode2">
<file name="BlueTopComponent.wstcref" url="BlueTopComponentWstcref.xml"/>
</folder>
</folder>
</folder>
<folder name="Groups">
<file name="colorgroup.wsgrp" url="colorgroup.wsgrp"/>
<folder name="colorgroup">
<file name="RedTopComponent.wstcgrp"url="RedTopComponentWstcgrp.xml"/>
<file name="BlueTopComponent.wstcgrp"url="BlueTopComponentWstcgrp.xml"/>
</folder>
</folder>
</filesystem>