Why enable test flag under non-test environment?
On Mon, Dec 16, 2013 at 11:10 AM, Xiaobin She <xiaobin...@gmail.com> wrote: > To Vinod, > > thank you for your reply, I found that I got this error message because I > did not add the following property in the hdfs-site.xml file > > 28 <property> > 29 <name>test.SymlinkEnabledForTesting</name> > 30 <value>true</value> > 31 </property> > > > now the problem is solved. > > thanks again. > > > > > > 2013/12/14 Vinod Kumar Vavilapalli <vino...@hortonworks.com> > >> What version of Hadoop? >> >> Thanks, >> +Vinod >> >> On Dec 13, 2013, at 1:57 AM, Xiaobin She <xiaobin...@gmail.com> wrote: >> >> I'm writting an c++ programme, and I need to deal with hdfs. >> >> What I need is to create some file in hdfs and read the status of these >> files. >> >> And I need to be able to create sym link in hdfs and need to know if an >> file in hdfs is an sym link file or not. >> >> According to what I have known, the c client lib of hdfs ( which is >> libhdfs) does not support sym link. >> >> And I have notice that there is an webhdfs interface for hdfs. >> >> According to this page, it does support sym link. >> >> >> >> http://hadoop.apache.org/docs/stable/hadoop-project-dist/hadoop-hdfs/WebHDFS.html#Create_a_Symbolic_Link >> >> >> But I have try this, and I got the following message. >> >> {"RemoteException":{"exception":"UnsupportedOperationException","javaClassName":"java.lang.UnsupportedOperationException","message":"Symlinks >> not supported"}} >> >> >> Does this means webhdfs does not support sym link too ? >> >> So if this true, how can I create an sym link and get the status of this >> file in c++ code? >> >> thank you very much for your help. >> >> >> >> CONFIDENTIALITY NOTICE >> NOTICE: This message is intended for the use of the individual or entity >> to which it is addressed and may contain information that is confidential, >> privileged and exempt from disclosure under applicable law. If the reader >> of this message is not the intended recipient, you are hereby notified that >> any printing, copying, dissemination, distribution, disclosure or >> forwarding of this communication is strictly prohibited. If you have >> received this communication in error, please contact the sender immediately >> and delete it from your system. Thank You. > > >
