[ http://issues.apache.org/jira/browse/HADOOP-612?page=comments#action_12445022 ] dhruba borthakur commented on HADOOP-612: -----------------------------------------
Hi sanjay, Is it likely that the property "dfs.client.buffer.dir" is not set in your configuration? if so, then this bug can be fixed by simply putting a try, catch block in the code segment you pointed out. Please let me know if you want me to fix it. > DFs copyFromLocal fails with NullPointerException for a single file > ------------------------------------------------------------------- > > Key: HADOOP-612 > URL: http://issues.apache.org/jira/browse/HADOOP-612 > Project: Hadoop > Issue Type: Bug > Components: dfs > Affects Versions: 0.7.1 > Reporter: Sanjay Dahiya > Priority: Blocker > > DFS copyFromLocal fails with NullPointerException when copying a single file > to DFS. Copying a directory works. > public File getFile(String dirsProp, String path) > throws IOException { > String[] dirs = getStrings(dirsProp); <===== returns > null for a single file > int hashCode = path.hashCode(); > for (int i = 0; i < dirs.length; i++) { // try each local dir > <==== Throws NullPointerException > int index = (hashCode+i & Integer.MAX_VALUE) % dirs.length; > File file = new File(dirs[index], path); > File dir = file.getParentFile(); > if (dir.exists() || dir.mkdirs()) { > return file; > } > } > throw new IOException("No valid local directories in property: > "+dirsProp); > } > Exception in thread "main" java.lang.NullPointerException > at > org.apache.hadoop.conf.Configuration.getFile(Configuration.java:397) > at > org.apache.hadoop.dfs.DFSClient$DFSOutputStream.newBackupFile(DFSClient.java:913) > at > org.apache.hadoop.dfs.DFSClient$DFSOutputStream.<init>(DFSClient.java:903) > at org.apache.hadoop.dfs.DFSClient.create(DFSClient.java:276) > at > org.apache.hadoop.dfs.DistributedFileSystem.createRaw(DistributedFileSystem.java:104) > at > org.apache.hadoop.fs.FSDataOutputStream$Summer.<init>(FSDataOutputStream.java:56) > at > org.apache.hadoop.fs.FSDataOutputStream$Summer.<init>(FSDataOutputStream.java:45) > at > org.apache.hadoop.fs.FSDataOutputStream.<init>(FSDataOutputStream.java:146) > at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:271) > at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:178) > at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:77) > at > org.apache.hadoop.dfs.DistributedFileSystem.copyFromLocalFile(DistributedFileSystem.java:186) > at org.apache.hadoop.dfs.DFSShell.copyFromLocal(DFSShell.java:45) > at org.apache.hadoop.dfs.DFSShell.run(DFSShell.java:516) > at org.apache.hadoop.util.ToolBase.doMain(ToolBase.java:187) > at org.apache.hadoop.dfs.DFSShell.main(DFSShell.java:570) -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://issues.apache.org/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira
