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java.lang.NullPointerException: 	at java.io.File.(File.java:222)	at com.sun.enterprise.webservice.monitoring.WebServiceTesterServlet.initializePort(WebServiceTesterServlet.java:519)	at com.sun.enterprise.webservice.monitoring.WebServiceTesterServlet.doGet(WebServiceTesterServlet.java:179)	at com.sun.enterprise.webservice.monitoring.WebServiceTesterServlet.invoke(WebServiceTesterServlet.java:119)	at com.sun.enterprise.webservice.JAXWSServlet.doGet(JAXWSServlet.java:191)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:718)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:831)	at org.apache.catalina.core.ApplicationFilterChain.servletService(ApplicationFilterChain.java:411)	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:290)	at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:271)	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:202)	at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:632)	at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:577)	at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:94)	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:206)	at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:632)	at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:577)	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:571)	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1080)	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:150)	at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:632)	at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:577)	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:571)	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1080)	at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:270)	at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.invokeAdapter(DefaultProcessorTask.java:637)	at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.doProcess(DefaultProcessorTask.java:568)	at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.process(DefaultProcessorTask.java:813)	at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.executeProcessorTask(DefaultReadTask.java:339)	at com.sun.enterprise.web.connector.grizzly.ssl.SSLReadTask.process(SSLReadTask.java:440)	at com.sun.enterprise.web.connector.grizzly.ssl.SSLReadTask.doTask(SSLReadTask.java:228)	at com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:265)	at com.sun.enterprise.web.connector.grizzly.ssl.SSLWorkerThread.run(SSLWorkerThread.java:106)