按照网上的文档,安装成功后eclipse也可以使用axis的向导了,写了一个类发布aar文件也没有问题。
但当我真的写一个连接数据库的程序后,在使用这个向导就开始出现问题,首先第一个界面的next要点两下,然后出来的是空白页面,用鼠标拖一下窗口的边框后才能显示,而且,在第四个窗口的next按钮,怎么点都过不去!
换个新的eclipse也是同样的问题,开始没事,写着写着就不行了!
大家有遇到过这样的问题吗,如何解决?
但当我真的写一个连接数据库的程序后,在使用这个向导就开始出现问题,首先第一个界面的next要点两下,然后出来的是空白页面,用鼠标拖一下窗口的边框后才能显示,而且,在第四个窗口的next按钮,怎么点都过不去!
换个新的eclipse也是同样的问题,开始没事,写着写着就不行了!
大家有遇到过这样的问题吗,如何解决?
解决方案 »
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Error
Sat Jan 30 17:50:48 CST 2010
com/yl/Test (Unsupported major.minor version 49.0)java.lang.UnsupportedClassVersionError: com/yl/Test (Unsupported major.minor version 49.0)
at java.lang.ClassLoader.defineClass0(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:539)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:123)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:251)
at java.net.URLClassLoader.access$100(URLClassLoader.java:55)
at java.net.URLClassLoader$1.run(URLClassLoader.java:194)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:187)
at java.lang.ClassLoader.loadClass(ClassLoader.java:289)
at java.lang.ClassLoader.loadClass(ClassLoader.java:235)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:302)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:219)
at org.apache.axis2.tool.service.eclipse.ui.ServiceXMLGenerationPage.updateTable(ServiceXMLGenerationPage.java:241)
at org.apache.axis2.tool.service.eclipse.ui.ServiceXMLGenerationPage.createControl(ServiceXMLGenerationPage.java:160)
at org.eclipse.jface.wizard.Wizard.createPageControls(Wizard.java:180)
at org.eclipse.jface.wizard.WizardDialog.createPageControls(WizardDialog.java:614)
at org.eclipse.jface.wizard.WizardDialog.setWizard(WizardDialog.java:989)
at org.eclipse.jface.wizard.WizardDialog.updateForPage(WizardDialog.java:1041)
at org.eclipse.jface.wizard.WizardDialog.access$2(WizardDialog.java:1038)
at org.eclipse.jface.wizard.WizardDialog$4.run(WizardDialog.java:1028)
at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)
at org.eclipse.jface.wizard.WizardDialog.showPage(WizardDialog.java:1026)
at org.eclipse.jface.wizard.WizardDialog.nextPressed(WizardDialog.java:757)
at org.eclipse.jface.wizard.WizardDialog.buttonPressed(WizardDialog.java:351)
at org.eclipse.jface.dialogs.Dialog$3.widgetSelected(Dialog.java:660)
at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:90)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:928)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3348)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2968)
at org.eclipse.jface.window.Window.runEventLoop(Window.java:820)
at org.eclipse.jface.window.Window.open(Window.java:796)
at org.eclipse.ui.actions.NewWizardAction.run(NewWizardAction.java:181)
at org.eclipse.jface.action.Action.runWithEvent(Action.java:499)
at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:539)
at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:488)
at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:400)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:928)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3348)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2968)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1914)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1878)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:419)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
at org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:95)
at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:78)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:92)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:68)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:400)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:177)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.eclipse.core.launcher.Main.invokeFramework(Main.java:336)
at org.eclipse.core.launcher.Main.basicRun(Main.java:280)
at org.eclipse.core.launcher.Main.run(Main.java:977)
at org.eclipse.core.launcher.Main.main(Main.java:952)
我自己试了试,把workspace里的东西删了,重新建就好了。重要的工程文件可以备份再导入。