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分享socket 编程 求助
我在用eclipse开发j2me时，进行socket编程，运行时，模拟器一闪而过，没有停留，并出现如下显示信息，源代码没有问题：
unning with locale: Chinese_People's Republic of China.936
Running in the identified_third_party security domain
startApp threw an Exception
java.lang.NullPointerException
java.lang.NullPointerException
at Example1.ChatClientMidlet.startApp(+55)
at javax.microedition.midlet.MIDletProxy.startApp(+7)
at com.sun.midp.midlet.Scheduler.schedule(+270)
at com.sun.midp.main.Main.runLocalClass(+28)
at com.sun.midp.main.Main.main(+80)
Execution completed.
3404024 bytecodes executed
23 thread switches
1668 classes in the system (including system classes)
17945 dynamic objects allocated (546920 bytes)
3 garbage collections (466852 bytes collected)
unning with locale: Chinese_People's Republic of China.936
Running in the identified_third_party security domain
startApp threw an Exception
java.lang.NullPointerException
java.lang.NullPointerException
at Example1.ChatClientMidlet.startApp(+55)
at javax.microedition.midlet.MIDletProxy.startApp(+7)
at com.sun.midp.midlet.Scheduler.schedule(+270)
at com.sun.midp.main.Main.runLocalClass(+28)
at com.sun.midp.main.Main.main(+80)
Execution completed.
3404024 bytecodes executed
23 thread switches
1668 classes in the system (including system classes)
17945 dynamic objects allocated (546920 bytes)
3 garbage collections (466852 bytes collected)
...全文
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cccc9898 2009-01-01
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空指针错误,说明变量没有初始化
Dengxiaojun83 2009-01-01
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空指针错误,说明程序中有代码出错,或者有的变量没有初始化!应仔细检查
shmily480780 2008-12-09
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空报针
看下你的程序代码，是不是哪里的变量没有初始化啊···
看下你的程序代码，是不是哪里的变量没有初始化啊···
kf156 2008-12-08
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报空报针
为什么如此肯定代码没问题呢？复制到别人机上运行过了？
即便是书上的代码也有可能没校对正确或你照着输入时出错了
方便的话最好startApp()里以及相关的代码贴出来看看
为什么如此肯定代码没问题呢？复制到别人机上运行过了？
即便是书上的代码也有可能没校对正确或你照着输入时出错了
方便的话最好startApp()里以及相关的代码贴出来看看
