作图提示java.lang.NullPointerException

sususue

想要画站点图，数据输入后提示：

1. java.lang.NullPointerException
   
2.         at org.meteoinfo.data.meteodata.MeteoDataInfo.getDataType(MeteoDataInfo.java:149)
   
3.         at org.meteoinfo.desktop.forms.FrmMeteoData.updateParameters(FrmMeteoData.java:2269)
   
4.         at org.meteoinfo.desktop.forms.FrmMeteoData.addMeteoData(FrmMeteoData.java:2263)
   
5.         at org.meteoinfo.desktop.forms.FrmMeteoData.onLonLatStationsClick(FrmMeteoData.java:2109)
   
6.         at org.meteoinfo.desktop.forms.FrmMeteoData.access$1400(FrmMeteoData.java:81)
   
7.         at org.meteoinfo.desktop.forms.FrmMeteoData$16.actionPerformed(FrmMeteoData.java:480)
   
8.         at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
   
9.         at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
   
10.         at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
    
11.         at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
    
12.         at javax.swing.AbstractButton.doClick(Unknown Source)
    
13.         at javax.swing.plaf.basic.BasicMenuItemUI.doClick(Unknown Source)
    
14.         at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(Unknown Source)
    
15.         at java.awt.Component.processMouseEvent(Unknown Source)
    
16.         at javax.swing.JComponent.processMouseEvent(Unknown Source)
    
17.         at java.awt.Component.processEvent(Unknown Source)
    
18.         at java.awt.Container.processEvent(Unknown Source)
    
19.         at java.awt.Component.dispatchEventImpl(Unknown Source)
    
20.         at java.awt.Container.dispatchEventImpl(Unknown Source)
    
21.         at java.awt.Component.dispatchEvent(Unknown Source)
    
22.         at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
    
23.         at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
    
24.         at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
    
25.         at java.awt.Container.dispatchEventImpl(Unknown Source)
    
26.         at java.awt.Window.dispatchEventImpl(Unknown Source)
    
27.         at java.awt.Component.dispatchEvent(Unknown Source)
    
28.         at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
    
29.         at java.awt.EventQueue.access$500(Unknown Source)
    
30.         at java.awt.EventQueue$3.run(Unknown Source)
    
31.         at java.awt.EventQueue$3.run(Unknown Source)
    
32.         at java.security.AccessController.doPrivileged(Native Method)
    
33.         at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
    
34.         at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
    
35.         at java.awt.EventQueue$4.run(Unknown Source)
    
36.         at java.awt.EventQueue$4.run(Unknown Source)
    
37.         at java.security.AccessController.doPrivileged(Native Method)
    
38.         at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
    
39.         at java.awt.EventQueue.dispatchEvent(Unknown Source)
    
40.         at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
    
41.         at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
    
42.         at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
    
43.         at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
    
44.         at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
    
45.         at java.awt.EventDispatchThread.run(Unknown Source)
    

复制代码

自己查了一下是空指针异常，但是没学过JAVA实在不会改，请问王老师这个要怎么解决呀@MeteoInfo

MeteoInfo

是用MeteoInfoMap吗？怎么操作的？数据是怎么的？

sususue

MeteoInfo 发表于 2017-11-13 15:12
是用MeteoInfoMap吗？怎么操作的？数据是怎么的？

王老师我刚刚重装了JZVA就好了麻烦您了

sususue

MeteoInfo 发表于 2017-11-13 15:12
是用MeteoInfoMap吗？怎么操作的？数据是怎么的？

顺便请问您站点号显示时个别数字模糊是不是电脑的问题啊，我试了下调不了我的4一直是模糊的C:\Users\Administrator\Desktop\11.png

MeteoInfo

sususue 发表于 2017-11-13 15:19
顺便请问您站点号显示时个别数字模糊是不是电脑的问题啊，我试了下调不了我的4一直是模糊的

看不到你的图，不应该某个数字的清晰程度和其它的不同呀

sususue

MeteoInfo 发表于 2017-11-13 19:27
看不到你的图，不应该某个数字的清晰程度和其它的不同呀

王老师您看，是这样的，4始终不清楚

MeteoInfo

sususue 发表于 2017-11-14 11:44
王老师您看，是这样的，4始终不清楚

边上经纬度标注中的 4 是清晰的，你换个字体试试

sususue

MeteoInfo 发表于 2017-11-14 13:56
边上经纬度标注中的 4 是清晰的，你换个字体试试

换了一个字体好了~感谢王老师！