获取'shmemBase_attach失败：系统找不到指定的文件'尝试附加到小程序来调试 [英] Getting 'shmemBase_attach failed: The system cannot find the file specified' when trying to attach to applet to debug
问题描述
我在java运行时设置中有以下内容：
-agentlib：jdwp = transport = dt_shmem，address = jdbconn，server = y，suspend = n
在netbeans中附加对话框：
调试器：JPDA调试器
连接器：共享内存连接（由共享内存附加到其他虚拟机）
传输：dt_shmem
名称：jdbconn
我从 FaqDebuggingAppletRemotely 页面上的netbeans维基。
该小程序在一个aspx页面（小程序，whcih被签名，是一种通过客户端浏览器与传统平台进行通信的方法，我是C＃开发人员）。我设法得到安全警告，显示哪个让我有机会附加到小程序，但是每当我尝试附加我看到：
附加到jdbconn
shmemBase_attach失败：系统找不到指定的文件
在netbeans的输出窗口中。
任何帮助感谢！
使用共享内存选项（transport = dt_shmem）进行调试时，您正在使用Windows内部共享内存对象在调试器和jvm之间进行通信。
这意味着如果你是：
a。不从与jvm相同的物理机调试，或者
b。不能在Windows操作系统上工作，
您无法在此模式下进行调试。
我不确定如果您在Linux站上的虚拟机上运行一个窗口会发生什么事情...可能会工作，可能不会。
如果上述两者均正常，则需要进行更深入的调查才能找出问题，但同时您可以使用普通套接字来附加。 / p>
在Java运行时参数中指定：
-Xdebug -Xrunjdwp：transport = dt_socket，server = y， address = 8000，suspend = y
这将告诉您的jvm以调试模式运行，加载jdwp库，等待连接在端口8000中附加，并挂起执行，直到这样的连接到达。
在IDE中，相应地设置远程调试器。我不知道Netbeans，但它会像Connector = socket连接器，address = 8000。
当您启动网页时，小程序将冻结加载，直到您连接，当然，直到达到聆听阶段，您无法连接。
I'm using netbeans 6.1.
I've got the following in my java run time settings:
-agentlib:jdwp=transport=dt_shmem,address=jdbconn,server=y,suspend=n
and the following in the attach dialog in netbeans:
Debugger: JPDA Debugger
Connector: Shared Memory Attach (Attaches by shared memory to other VMs)
Transport: dt_shmem
Name: jdbconn
I got the above settings from the FaqDebuggingAppletRemotely page on the netbeans Wiki.
The applet is in an aspx page (the applet, whcih is signed, is a method of communicating via the client browser to a legacy platform, I'm a C# developer really). I've managed to get the security warning to display which gives me a chance to attach to the applet but whenever I try to attach I see:
Attaching to jdbconn
shmemBase_attach failed: The system cannot find the file specified
in the output window in netbeans.
Any help gratefully received!
When you debug with the shared memory option (transport=dt_shmem), you're using Windows internal shared memory objects to communicate between the debugger and the jvm.
This means that if you're:
a. Not debugging from the same physical machine as your jvm, or
b. Not working on a Windows OS,
You can not debug in this mode.
I'm not sure what would happen if you ran a Window on a VM on a Linux station...Might work and might not.
If both of the above are fine, it would require a deeper investigation to find out the problem, but in the mean time, you could attach with a plain socket.
In the Java run time parameters specify:
-Xdebug -Xrunjdwp:transport=dt_socket,server=y,address=8000,suspend=y
This tells your jvm to run in debug mode, load the jdwp library, wait for connection to attach in port 8000, and suspend execution until such a connection arrives.
In your IDE set the remote debugger accordingly. I don't know Netbeans, but it would be something like Connector = socket connector, address=8000. When you start your web page, the applet will freeze loading until you connect, and of course you can't connect until it has reached the listening stage.
Good luck!
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