无法连接到远程 VM.拒绝连接.尝试在 Flash Builder 4.7 中调试远程 Java 应用程序时 [英] Failed to connect to remote VM. Connection refused. when trying to debug remote java application in Flash Builder 4.7

问题描述

在某一时刻，远程调试曾经可以工作.但对于我的生活，我似乎无法弄清楚是什么打破了它.

At one point, the remote debug used to work. But for the life of me, I don't seem to be able to figure out what broke it.

我有一个 flex/Java 应用程序.有一个包装器可以启动 tomcat 服务器.我修改了 wrapper.conf 文件以包含

I have a flex/Java application. There is a wrapper that starts the tomcat server. I modified the wrapper.conf file to include

-Xdebug -Xrunjdwp:transport=dt_socket,address=8000,server=y,suspend=n

-Xdebug -Xrunjdwp:transport=dt_socket,address=8000,server=y,suspend=n

在我的 flex 调试配置中，在左侧，我有远程 Java 应用程序.在右侧，我将标准(套接字连接)作为连接类型，将 127.0.0.1(我也尝试过 localhost)作为主机，将 8000 作为端口.

In my flex debug configurations, on the left, I have Remote Java Application. On the right, I have Standard (Socket Attach) as the connection type, 127.0.0.1 (I have tried localhost too) as Host, and 8000 as Port.

以下是堆栈跟踪.

!ENTRY org.eclipse.jdt.launching 4 113 2013-09-03 11:30:49.109!MESSAGE 无法连接到远程 VM.拒绝连接.!堆栈 0java.net.ConnectException:连接被拒绝:连接在java.net.PlainSocketImpl.socketConnect(Native Method) 在java.net.PlainSocketImpl.doConnect(Unknown Source) atjava.net.PlainSocketImpl.connectToAddress(Unknown Source) atjava.net.PlainSocketImpl.connect(Unknown Source) atjava.net.SocksSocketImpl.connect(Unknown Source) atjava.net.Socket.connect(Unknown Source) atjava.net.Socket.connect(Unknown Source) atjava.net.Socket.(Unknown Source) atjava.net.Socket.(Unknown Source) atorg.eclipse.jdi.internal.connect.SocketTransportService$2.run(SocketTransportService.java:136)在 java.lang.Thread.run(Unknown Source)

!ENTRY org.eclipse.jdt.launching 4 113 2013-09-03 11:30:49.109 !MESSAGE Failed to connect to remote VM. Connection refused. !STACK 0 java.net.ConnectException: Connection refused: connect at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.PlainSocketImpl.doConnect(Unknown Source) at java.net.PlainSocketImpl.connectToAddress(Unknown Source) at java.net.PlainSocketImpl.connect(Unknown Source) at java.net.SocksSocketImpl.connect(Unknown Source) at java.net.Socket.connect(Unknown Source) at java.net.Socket.connect(Unknown Source) at java.net.Socket.(Unknown Source) at java.net.Socket.(Unknown Source) at org.eclipse.jdi.internal.connect.SocketTransportService$2.run(SocketTransportService.java:136) at java.lang.Thread.run(Unknown Source)

这是调试配置的屏幕截图.

Here is a screen shot of the debug configurations.

推荐答案

经过一番折腾，我终于弄明白了.我不得不进行两项更改.

After much struggles, I finally got it figured out. I had to make two changes.

1. 我在 catalina.properties 文件中添加了 tomcat.enable.debug=true.

2. 在我的 wrapper.conf 中，我有以下几行.

1. I added tomcat.enable.debug=true to my catalina.properties file.

2. In my wrapper.conf, I had the following lines.

wrapper.java.additional.9="-Xmx2048m"wrapper.java.additional.10="-XX:MaxPermSize=1024m"

wrapper.java.additional.9="-Xmx2048m" wrapper.java.additional.10="-XX:MaxPermSize=1024m"

我的 MaxPermSize 设置为小于 Xmx 的大小.我不得不将 1024 更改为 2048.

My MaxPermSize was set to a smaller size than Xmx. I had to change that 1024 to 2048.

然后我重新启动了我的 tomcat，它终于成功了！

I then restarted my tomcat and it worked, finally!

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