oozie -錯誤記錄

2018-10-20 20:59:47,977  WARN V2JobServlet:523 - SERVER[ds1] USER[root] GROUP[-] TOKEN[] APP[SparkFileCopy] JOB[0000000-181020104636436-oozie-root-W] ACTION[] URL[GET http://10.3.71.101:11000/oozie/v2/job/0000000-181020104636436-oozie-root-W?show=graph&format=svg&show-kill=true] error[E0307], E0307: Runtime error [java.util.concurrent.ExecutionException: java.lang.NullPointerException]
org.apache.oozie.servlet.XServletException: E0307: Runtime error [java.util.concurrent.ExecutionException: java.lang.NullPointerException]
        at org.apache.oozie.servlet.V1JobServlet.streamJobGraph(V1JobServlet.java:335)
        at org.apache.oozie.servlet.BaseJobServlet.doGet(BaseJobServlet.java:350)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:687)
        at org.apache.oozie.servlet.JsonRestServlet.service(JsonRestServlet.java:305)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
        at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:812)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1669)
        at org.apache.oozie.servlet.AuthFilter$2.doFilter(AuthFilter.java:171)
        at org.apache.hadoop.security.authentication.server.AuthenticationFilter.doFilter(AuthenticationFilter.java:572)
        at org.apache.hadoop.security.authentication.server.AuthenticationFilter.doFilter(AuthenticationFilter.java:542)
        at org.apache.oozie.servlet.AuthFilter.doFilter(AuthFilter.java:176)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
        at org.apache.oozie.servlet.HostnameFilter.doFilter(HostnameFilter.java:86)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
        at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585)
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)