[ https://issues.apache.org/jira/browse/OOZIE-3532?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
duan xiong reassigned OOZIE-3532: --------------------------------- Assignee: duan xiong > Confusing E1603 error message > ----------------------------- > > Key: OOZIE-3532 > URL: https://issues.apache.org/jira/browse/OOZIE-3532 > Project: Oozie > Issue Type: Bug > Affects Versions: trunk > Reporter: Andras Salamon > Assignee: duan xiong > Priority: Minor > > If we specify an invalid namenode for Oozie we get a useful error message: > {noformat} > Error message: E0901: NameNode [localhost:8020] not allowed, not in Oozie's > whitelist. Allowed values are: [machinename.com:8020]]{noformat} > If we accidentally specify {{-DnameNode=hdfs:machinename.com:8020}} instead > of {{-DnameNode=hdfs://machinename.com:8020}} we get a very confusing error > message: > {noformat} > Error: E1603 : Can not create a Path from a null string{noformat} > Checking the logs also not very helpful: > {noformat} > java.lang.IllegalArgumentException: Can not create a Path from a null string > at org.apache.hadoop.fs.Path.checkPathArg(Path.java:164) > at org.apache.hadoop.fs.Path.<init>(Path.java:180) > at > org.apache.oozie.servlet.V1JobsServlet.existsOnDFS(V1JobsServlet.java:213) > at > org.apache.oozie.servlet.V1JobsServlet.checkAndWriteApplicationXMLToHDFS(V1JobsServlet.java:162) > at > org.apache.oozie.servlet.BaseJobsServlet.doPost(BaseJobsServlet.java:111) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) > at > org.apache.oozie.servlet.JsonRestServlet.service(JsonRestServlet.java:308) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) > at > org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:848) > at > org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1780) > at org.apache.oozie.servlet.AuthFilter$2.doFilter(AuthFilter.java:171) > at > org.apache.hadoop.security.authentication.server.AuthenticationFilter.doFilter(AuthenticationFilter.java:644) > at > org.apache.hadoop.security.authentication.server.AuthenticationFilter.doFilter(AuthenticationFilter.java:592) > at org.apache.oozie.servlet.AuthFilter.doFilter(AuthFilter.java:176) > at > org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1767) > at > org.apache.oozie.servlet.HttpResponseHeaderFilter.doFilter(HttpResponseHeaderFilter.java:68) > at > org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1767) > at > org.apache.oozie.servlet.HostnameFilter.doFilter(HostnameFilter.java:86) > at > org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1767) > at > org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:583) > at > org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) > at > org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548) > at > org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226) > at > org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1180) > at > org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:513) > at > org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185) > at > org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1112) > at > org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) > at > org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:119) > at > org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134) > at org.eclipse.jetty.server.Server.handle(Server.java:539) > at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:333) > at > org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251) > at > org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:283) > at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:108) > at > org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93) > at > org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303) > at > org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148) > at > org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136) > at > org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671) > at > org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589) > at java.lang.Thread.run(Thread.java:748){noformat} > We should provide a better error message in this case. -- This message was sent by Atlassian JIRA (v7.6.14#76016)