[FTPSERVER-434] Cannot use FTP commands with Hadoop 1.0.3

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Won't Fix
• Affects Version/s: 1.0.3
• Component/s: Server
• Environment: Ubuntu 12.04 LTS
• Assignee: Niklas Therning
• Reporter: Rahul Dutta
• Created: 25/Sep/12 17:40
• Updated: 25/Sep/12 20:17
• Resolved: 25/Sep/12 20:17

Description

When i am running HDFS-over-FTP and try to run any ftp command after logging in i get the response
200 Command PORT okay.
150 File status okay; about to open data connection.
550 Requested action not taken.

and the log says

2012-09-25 22:19:51,904 : WARN : DefaultFtpHandler : RequestHandler.service()
java.lang.NullPointerException
at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:453)
at org.apache.hadoop.contrib.ftp.HdfsFileObject.getPermissions(HdfsFileObject.java:112)
at org.apache.hadoop.contrib.ftp.HdfsFileObject.hasWritePermission(HdfsFileObject.java:207)
at org.apache.ftpserver.command.MKD.execute(MKD.java:85)
at org.apache.ftpserver.DefaultFtpHandler.messageReceived(DefaultFtpHandler.java:137)
at org.apache.ftpserver.listener.nio.FtpHandlerAdapter.messageReceived(FtpHandlerAdapter.java:60)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$TailFilter.messageReceived(DefaultIoFilterChain.java:752)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:414)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:49)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:832)
at org.apache.ftpserver.filter.FtpLoggingFilter.messageReceived(FtpLoggingFilter.java:81)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:414)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:49)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:832)
at org.apache.mina.core.filterchain.IoFilterEvent.fire(IoFilterEvent.java:60)
at org.apache.mina.filter.logging.MdcInjectionFilter.filter(MdcInjectionFilter.java:137)
at org.apache.mina.filter.util.CommonEventFilter.messageReceived(CommonEventFilter.java:70)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:414)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:49)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:832)
at org.apache.mina.filter.codec.ProtocolCodecFilter$ProtocolDecoderOutputImpl.flush(ProtocolCodecFilter.java:379)
at org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(ProtocolCodecFilter.java:173)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:414)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:49)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:832)
at org.apache.mina.core.filterchain.IoFilterEvent.fire(IoFilterEvent.java:60)
at org.apache.mina.core.session.IoEvent.run(IoEvent.java:64)
at org.apache.mina.filter.executor.OrderedThreadPoolExecutor$Worker.runTask(OrderedThreadPoolExecutor.java:551)
at org.apache.mina.filter.executor.OrderedThreadPoolExecutor$Worker.runTasks(OrderedThreadPoolExecutor.java:543)
at org.apache.mina.filter.executor.OrderedThreadPoolExecutor$Worker.run(OrderedThreadPoolExecutor.java:487)
at java.lang.Thread.run(Thread.java:722)

Please help me solve this issue.