[jira] [Assigned] (OOZIE-3532) Confusing E1603 error message

["duan xiong (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/OOZIE-3532?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

duan xiong reassigned OOZIE-3532:
---------------------------------

    Assignee:     (was: 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
>            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.



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