无法在eclipse中调试ant脚本

当我试图通过eclipse调试ant脚本时，它会在调试点终止

下面是错误日志的详细信息

消息：从Ant UI记录的错误： 异常堆栈跟踪：

java.net.SocketTimeoutException: Accept timed out
at java.net.PlainSocketImpl.socketAccept(Native Method)
at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
at java.net.ServerSocket.implAccept(ServerSocket.java:453)
at java.net.ServerSocket.accept(ServerSocket.java:421)
at org.eclipse.ant.internal.launching.launchConfigurations.RemoteAntBuildListener$ServerConnection.run(RemoteAntBuildListener.java:89)

会话数据：

eclipse.buildId=M20110210-1200
java.version=1.6.0_10
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=en_GB
Framework arguments:  -product org.eclipse.epp.package.jee.product
Command-line arguments:  -os win32 -ws win32 -arch x86 -product org.eclipse.epp.package.jee.product

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我通常通过从Eclipse外部运行Ant并远程连接来调试它。我将ANT_选项设置为包括

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

然后，我只需将Eclipse连接到指定的端口