java.io.IOException: Cannot run program "D:\develop\Java\jdk1.7.0_79\bin\javaw.exe" (in directory "D:\workspace-java\ksjy"): CreateProcess error=206, 文件名或扩展名太长。
at java.lang.ProcessBuilder.start(Unknown Source)
at java.lang.Runtime.exec(Unknown Source)
at org.eclipse.debug.core.DebugPlugin.exec(DebugPlugin.java:881)
at org.eclipse.jdt.launching.AbstractVMRunner.exec(AbstractVMRunner.java:91)
at org.eclipse.jdt.internal.launching.StandardVMRunner.run(StandardVMRunner.java:413)
at org.eclipse.jdt.launching.JavaLaunchDelegate.launch(JavaLaunchDelegate.java:102)
at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:885)
at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:739)
at org.eclipse.debug.internal.ui.DebugUIPlugin.buildAndLaunch(DebugUIPlugin.java:1039)
at org.eclipse.debug.internal.ui.DebugUIPlugin$8.run(DebugUIPlugin.java:1256)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
Caused by: java.io.IOException: CreateProcess error=206, 文件名或扩展名太长。
at java.lang.ProcessImpl.create(Native Method)
at java.lang.ProcessImpl.(Unknown Source)
at java.lang.ProcessImpl.start(Unknown Source)
... 11 more
这个链接讲解的比较清楚。http://www.cnblogs.com/downmoon/archive/2012/11/18/2775587.html
先试试：http://www.educity.cn/wenda/350832.html
不行再试试：http://www.cnblogs.com/downmoon/archive/2012/11/18/2775587.html