xsx ： 我把本地的表上传到oracle以后，在用地图定义管理器打开时，就一直处于等待状态，打不开，不知是怎的了，希望各位多帮忙 James.Liu ： 参数配置有问题 打开mapdefinemanager.lax 把其中的,error输出打开 error=console 就可以看到具体的错误信息哪，根据错误信息进行配置 xsx ： 刚刚的贴，很不好意思，下次一定注意， 我找到了这个文件，但是怎样把错误信息输出来呀，我还是不太明白，能在解释一下吗 我刚刚弄好了，可以看到错误信息了，您也帮我看看是怎回事 ERROR: oracle.jdbc.driver.OracleDriver java.lang.ClassNotFoundException: oracle.jdbc.driver.OracleDriver         at java.net.URLClassLoader$1.run(Unknown Source)         at java.security.AccessController.doPrivileged(Native Method)         at java.net.URLClassLoader.findClass(Unknown Source)         at java.lang.ClassLoader.loadClass(Unknown Source)         at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)         at java.lang.ClassLoader.loadClass(Unknown Source)         at java.lang.ClassLoader.loadClassInternal(Unknown Source)         at java.lang.Class.forName0(Native Method)         at java.lang.Class.forName(Unknown Source)         at com.mapinfo.dp.jdbc.DBLayerDataProvider.<init>(Unknown Source)         at com.mapinfo.dp.jdbc.oraso.OraSoDataProvider.<init>(Unknown Source)         at com.mapinfo.xmlprot.mxtj.layerxmlhandlers.OraSoLayerXMLHandler.create DataProvider(Unknown Source)         at com.mapinfo.xmlprot.mxtj.ai.a(Unknown Source)         at com.mapinfo.xmlprot.mxtj.ai.create(Unknown Source)         at com.mapinfo.dp.util.LocalDataProviderRef.locateDataProvider(Unknown S ource)         at com.mapinfo.mapj.Layer.b(Unknown Source)         at com.mapinfo.mapj.Layer.searchAll(Unknown Source)         at com.mapinfo.beans.tools.cc.getBounds(Unknown Source)         at com.mapinfo.beans.tools.cc.getBounds(Unknown Source)         at com.mapinfo.mapdefman.jt.layersChange(Unknown Source)         at com.mapinfo.mapj.y.fireLayersChange(Unknown Source)         at com.mapinfo.mapj.al.fireUnspecifiedEvent(Unknown Source)         at com.mapinfo.beans.layercontrol.LayerControl.k(Unknown Source)         at com.mapinfo.beans.layercontrol.LayerControl.onLayerControlChange(Unkn own Source)         at com.mapinfo.beans.layercontrol.f6.a(Unknown Source)         at com.mapinfo.beans.layercontrol.f6.actionPerformed(Unknown Source)         at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)         at javax.swing.AbstractButton$ForwardActionEvents.actionPerformed(Unknow n Source)         at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)         at javax.swing.DefaultButtonModel.setPressed(Unknown Source)         at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Sour ce)         at java.awt.Component.processMouseEvent(Unknown Source)         at java.awt.Component.processEvent(Unknown Source)         at java.awt.Container.processEvent(Unknown Source)         at java.awt.Component.dispatchEventImpl(Unknown Source)         at java.awt.Container.dispatchEventImpl(Unknown Source)         at java.awt.Component.dispatchEvent(Unknown Source)         at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)         at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)         at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)         at java.awt.Container.dispatchEventImpl(Unknown Source)         at java.awt.Window.dispatchEventImpl(Unknown Source)         at java.awt.Component.dispatchEvent(Unknown Source)         at java.awt.EventQueue.dispatchEvent(Unknown Source)         at java.awt.EventDispatchThread.pumpOneEventForHierarchy(Unknown Source)         at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)         at java.awt.EventDispatchThread.pumpEvents(Unknown Source)         at java.awt.EventDispatchThread.run(Unknown Source) java.lang.ClassNotFoundException: oracle.jdbc.driver.OracleDriver         at java.net.URLClassLoader$1.run(Unknown Source)         at java.security.AccessController.doPrivileged(Native Method)         at java.net.URLClassLoader.findClass(Unknown Source)         at java.lang.ClassLoader.loadClass(Unknown Source)         at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)         at java.lang.ClassLoader.loadClass(Unknown Source)         at java.lang.ClassLoader.loadClassInternal(Unknown Source)         at java.lang.Class.forName0(Native Method)         at java.lang.Class.forName(Unknown Source)         at com.mapinfo.dp.jdbc.DBLayerDataProvider.<init>(Unknown Source)         at com.mapinfo.dp.jdbc.oraso.OraSoDataProvider.<init>(Unknown Source)         at com.mapinfo.xmlprot.mxtj.layerxmlhandlers.OraSoLayerXMLHandler.create DataProvider(Unknown Source)         at com.mapinfo.xmlprot.mxtj.ai.a(Unknown Source)         at com.mapinfo.xmlprot.mxtj.ai.create(Unknown Source)         at com.mapinfo.graphics.LocalRenderer.render(Unknown Source)         at com.mapinfo.graphics.AsyncRenderer.run(Unknown Source)         at java.lang.Thread.run(Unknown Source)  wtusmchen ： java.lang.ClassNotFoundException 虽然我没碰到过,但看这个应该是找不到oracle的jdbc驱动,你把oracle的驱动放到你的lib里,或者在classpath中指定一下:) uestcwlh ： 修改MapXtreme Java Manager Stand Alone.lax，将classes12.jar路径加在lax.class.path后