If you use Maven or Gradle, you can set up your config files there. It’s easier to maintain the dependency.
Mingliang Liu Member of Technical Staff - HDFS, Hortonworks Inc. m...@hortonworks.com<mailto:m...@hortonworks.com> On Oct 8, 2015, at 10:04 AM, Odin Guillermo Caudillo Gallegos <odin.guille...@gmail.com<mailto:odin.guille...@gmail.com>> wrote: Hi. I already have it on the external jars over Eclipse. But still got the error. Is there any alternatives to this? Thanks 2015-10-08 11:59 GMT-05:00 Ted Yu <yuzhih...@gmail.com<mailto:yuzhih...@gmail.com>>: Looks like htrace jar was missing from the classpath. jar tvf htrace-core-3.1.0-incubating.jar | grep Trace 1187 Thu Jan 15 11:36:52 UTC 2015 org/apache/htrace/HTraceConfiguration$MapConf.class 3195 Thu Jan 15 11:36:52 UTC 2015 org/apache/htrace/HTraceConfiguration.class 5247 Thu Jan 15 11:36:52 UTC 2015 org/apache/htrace/Trace.class FYI On Thu, Oct 8, 2015 at 9:09 AM, Odin Guillermo Caudillo Gallegos <odin.guille...@gmail.com<mailto:odin.guille...@gmail.com>> wrote: Hi. I'm doing a code to write a file on HDFS, i tried a few ways to do it, but i always get the following error: Do i need another library? i include all the libraries in the share/hadoop/common/lib folder and still getting it Exception in thread "main" java.lang.NoClassDefFoundError: org/htrace/Trace at org.apache.hadoop.hdfs.DFSOutputStream.<init>(DFSOutputStream.java:1703) at org.apache.hadoop.hdfs.DFSOutputStream.newStreamForCreate(DFSOutputStream.java:1756) at org.apache.hadoop.hdfs.DFSClient.create(DFSClient.java:1668) at org.apache.hadoop.hdfs.DFSClient.create(DFSClient.java:1593) at org.apache.hadoop.hdfs.DistributedFileSystem$6.doCall(DistributedFileSystem.java:397) at org.apache.hadoop.hdfs.DistributedFileSystem$6.doCall(DistributedFileSystem.java:393) at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81) at org.apache.hadoop.hdfs.DistributedFileSystem.create(DistributedFileSystem.java:393) at org.apache.hadoop.hdfs.DistributedFileSystem.create(DistributedFileSystem.java:337) at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:909) at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:802) at test.HDFSMain.main(HDFSMain.java:25) Caused by: java.lang.ClassNotFoundException: org.htrace.Trace at java.net.URLClassLoader$1.run(URLClassLoader.java:366) at java.net.URLClassLoader$1.run(URLClassLoader.java:355) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:354) at java.lang.ClassLoader.loadClass(ClassLoader.java:425) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308) at java.lang.ClassLoader.loadClass(ClassLoader.java:358) ... 12 more Thanks