javame 入门的一个小问题

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 转自http://blog.csdn.net/smallearth/article/details/7605778

最新的Java ME platform SDK 3.0，但是跟eclipseme 1.7.9 配合有问题，在RUN的时候，会报下面错误： 

Syntax:

emulator [arguments]

In order to get commands supported by given device run:

emulator.exe -Xdevice: -Xquery

Generic list of arguments is:

-version           Display version information about the emulator

-help              Display list of valid arguments

-classpath, -cp    The class path for the VM

-D=   Set a system property

-Xdebug            Use a remote debugger

-Xrunjdwp:[transport=,address=

,server=,

           suspend=]

                   Debugging options

-Xdevice:  Select a device skin for the emulator

-Xdomain:

                   Set the MIDlet suite's security domain

-Xdescriptor:

                   The JAD file to be executed

-Xjam[:install= | force | list | storageNames |

       run=[ | ][,] |

       remove=[ | | all] |

       transient=]

                   Java Application Manager and support

                   for Over The Air provisioning (OTA)

-Xquery            Print device information

-Xautotest:

                   Run in autotest mode

很明显，启动模拟器的参数不对，可以在下面位置可以修改这些参数： 

Windows > Preferences > J2ME > Device Manager > 选中一个设备定义，点Edit　> 修改lanuch command template: 
把原来的改成: 


%executable% [%debugPort%|-Xdebug -Xrunjdwp:transport=dt_socket,suspend=y,server=y,address=%debugPort%] [%classpath%|-classpath "%classpath%"] -Xdevice:%device% [%jadfile%|"-Xdescriptor:%jadfile%"] [%securityDomain%|-Xdomain:%securityDomain%] %userSpecifiedArguments% 

 

就OK了