Question

netbeans异常java.lang.NullPointerException

刚打开netbean6.5就出现java.lang.NullPointerException异常，请问这如何解决是好
java.lang.NullPointerException
at org.netbeans.modules.project.libraries.LibraryTypeRegistry.getLibraryTypeProvider(LibraryTypeRegistry.java:99)
at org.netbeans.modules.project.libraries.LibraryDeclarationHandlerImpl.end_library(LibraryDeclarationHandlerImpl.java:145)
at org.netbeans.modules.project.libraries.LibraryDeclarationParser.endElement(LibraryDeclarationParser.java:142)
at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.endElement(AbstractSAXParser.java:601)
at com.sun.org.apache.xerces.internal.impl.dtd.XMLDTDValidator.endNamespaceScope(XMLDTDValidator.java:2077)
at com.sun.org.apache.xerces.internal.impl.dtd.XMLDTDValidator.handleEndElement(XMLDTDValidator.java:2028)
at com.sun.org.apache.xerces.internal.impl.dtd.XMLDTDValidator.endElement(XMLDTDValidator.java:901)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanEndElement(XMLDocumentFragmentScannerImpl.java:1772)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2923)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:645)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:508)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:807)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:737)
at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:107)
at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1205)
at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:522)
at org.netbeans.modules.project.libraries.LibraryDeclarationParser.parse(LibraryDeclarationParser.java:274)
at org.netbeans.modules.project.libraries.LibraryDeclarationParser.parse(LibraryDeclarationParser.java:226)
at org.netbeans.modules.project.libraries.LibrariesStorage.readLibrary(LibrariesStorage.java:230)
at org.netbeans.modules.project.libraries.LibrariesStorage.loadFromStorage(LibrariesStorage.java:154)
at org.netbeans.modules.project.libraries.LibrariesStorage.initStorage(LibrariesStorage.java:206)
at org.netbeans.modules.project.libraries.LibrariesStorage.getLibraries(LibrariesStorage.java:315)
at org.netbeans.modules.project.libraries.LibrariesModule.initProviders(LibrariesModule.java:63)
at org.netbeans.modules.project.libraries.LibrariesModule.restored(LibrariesModule.java:58)
at org.netbeans.core.startup.NbInstaller.loadCode(NbInstaller.java:419)
at org.netbeans.core.startup.NbInstaller.load(NbInstaller.java:340)
at org.netbeans.ModuleManager.enable(ModuleManager.java:906)
at org.netbeans.core.startup.ModuleList.installNew(ModuleList.java:428)
at org.netbeans.core.startup.ModuleList.trigger(ModuleList.java:364)
at org.netbeans.core.startup.ModuleSystem.restore(ModuleSystem.java:276)
at org.netbeans.core.startup.Main.getModuleSystem(Main.java:165)
at org.netbeans.core.startup.Main.start(Main.java:312)
at org.netbeans.core.startup.TopThreadGroup.run(TopThreadGroup.java:110)
[catch] at java.lang.Thread.run(Thread.java:619)

能有人解决吗？ 我重装很多次都不行啊！

Answer 1

eption
这个异常是指无效的指针定义。
就是说你的一些变量定义不正确

Answer 2

- - 指针异常 上面没定义

Answer 3

三大解决方法：关闭，重装，重启。

Answer 4

建议不要使用netbeans 用myeclipes试试 除了配置文件要自己写一点之外 比那个好多了

Answer 5

e