Question

在myeclipse2014中把html改成jsp格式时，css出问题了，打不开应该怎么解决啊

java.lang.NullPointerException
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1113)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:997)
at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:138)
at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:610)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:567)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:124)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)

at com.genuitec.pulse.eclipse.launcher.Main.main(Main.java:110)
还有些错误没有贴出来

Answer 1

引入的css样式的路径错了，把html改成jsp的时候，我也遇到过类似的

追问

直接从一个工程复制到另一个也出问题了，哎

追答

嗯，做程序员最重要的就是多练习