javavuser协议，远程负载执行出错

liran_04

负载机为localhost，执行时正常，当使用远程地址时，执行报错
Error:         at Actions.init(Actions.java:29)
Caused by: java.lang.NullPointerException
        at sun.misc.URLClassPath$3.run(URLClassPath.java:323)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.misc.URLClassPath.getLoader(URLClassPath.java:320)
        at sun.misc.URLClassPath.getLoader(URLClassPath.java:297)
        at sun.misc.URLClassPath.access$000(URLClassPath.java:59)
        at sun.misc.URLClassPath$1.next(URLClassPath.java:194)
        at sun.misc.URLClassPath$1.hasMoreElements(URLClassPath.java:205)
        at java.net.URLClassLoader$3$1.run(URLClassLoader.java:393)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader$3.next(URLClassLoader.java:390)
        at java.net.URLClassLoader$3.hasMoreElements(URLClassLoader.java:415)
        at sun.misc.CompoundEnumeration.next(CompoundEnumeration.java:27)
        at sun.misc.CompoundEnumeration.hasMoreElements(CompoundEnumeration.java:36)
        at org.apache.commons.logging.LogFactory.getConfigurationFile(LogFactory.java:1475)
        at org.apache.commons.logging.LogFactory.getFactory(LogFactory.java:457)
        at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:685)
        at com.hcwps.socket.client.SocketClinet.<clinit>(SocketClinet.java:64)
        ... 1 more

有知道什么原因吗？