I forgot to send this earlier, but here's an answer with added links that may help: http://stackoverflow.com/a/21655102/1660002
On Sat, May 17, 2014 at 9:54 AM, Harsh J <ha...@cloudera.com> wrote: > The issue here is that JNI doesn't like wildcards in the classpath > string - it does not evaluate them the same way the regular runtime > does. Try placing a full list of explicit jars on the classpath and it > will not throw that Class-Not-Found error anymore. > > On Thu, May 15, 2014 at 10:54 AM, Cheng Cheng <chengch...@purdue.edu> wrote: >> Hi All, >> >> With hadoop-2.2.0, I tried to mount hdfs by using fuse-dfs. I have >> successfully compiled hadoop-2.2.0.tar.gz and fuse-dfs with "mvn package >> -Pdist,native -DskipTests -Dtar -e -X” from hadoop-2.2.0-src. >> >> After I deployed hadoop-2.2.0.tar.gz and run single mode HDFS, I tried to >> run following command to mount hdfs: >> >> ------------------------------------------------ >> LD_LIBRARY_PATH=/opt/hadoop-2.2.0/lib/native:/usr/java/jdk1.7.0_55/jre/lib/amd64/server >> >> CLASSPATH=/opt/hadoop-2.2.0/etc/hadoop:/opt/hadoop-2.2.0/share/hadoop/common/lib/*:/opt/hadoop-2.2.0/share/hadoop/common/*:/opt/hadoop-2.2.0/share/hadoop/hdfs:/opt/hadoop-2.2.0/share/hadoop/hdfs/lib/*:/opt/hadoop-2.2.0/share/hadoop/hdfs/*:/opt/hadoop-2.2.0/share/hadoop/yarn/lib/*:/opt/hadoop-2.2.0/share/hadoop/yarn/*:/opt/hadoop-2.2.0/share/hadoop/mapreduce/lib/*:/opt/hadoop-2.2.0/share/hadoop/mapreduce/*:/opt/hadoop-2.2.0/contrib/capacity-scheduler/*.jar >> bin/fuse_dfs -d dfs://localhost:8020 /mnt/hdfs >> ------------------------------------------------ >> >> However, I got failed with error message: >> >> ------------------------------------------------ >> INFO >> /root/hadoop-2.2.0-src/hadoop-hdfs-project/hadoop-hdfs/src/main/native/fuse-dfs/fuse_options.c:115 >> Ignoring option -d >> INFO >> /root/hadoop-2.2.0-src/hadoop-hdfs-project/hadoop-hdfs/src/main/native/fuse-dfs/fuse_options.c:164 >> Adding FUSE arg /mnt/hdfs >> FUSE library version: 2.8.3 >> nullpath_ok: 0 >> unique: 1, opcode: INIT (26), nodeid: 0, insize: 56 >> INIT: 7.13 >> flags=0x0000b07b >> max_readahead=0x00020000 >> INFO >> /root/hadoop-2.2.0-src/hadoop-hdfs-project/hadoop-hdfs/src/main/native/fuse-dfs/fuse_init.c:98 >> Mounting with options: [ protected=(NULL), >> nn_uri=hdfs://nebula-vm14.cs.purdue.edu:8020, nn_port=0, debug=0, >> read_only=0, initchecks=0, no_permissions=0, usetrash=0, entry_timeout=60, >> attribute_timeout=60, rdbuffer_size=10485760, direct_io=0 ] >> loadFileSystems error: >> (unable to get stack trace for java.lang.NoClassDefFoundError exception: >> ExceptionUtils::getStackTrace error.) >> hdfsConfGetInt(hadoop.fuse.timer.period): new Configuration error: >> (unable to get stack trace for java.lang.NoClassDefFoundError exception: >> ExceptionUtils::getStackTrace error.) >> Unable to determine the configured value for hadoop.fuse.timer.period.ERROR >> /root/hadoop-2.2.0-src/hadoop-hdfs-project/hadoop-hdfs/src/main/native/fuse-dfs/fuse_init.c:134 >> FATAL: dfs_init: fuseConnectInit failed with error -22! >> ERROR >> /root/hadoop-2.2.0-src/hadoop-hdfs-project/hadoop-hdfs/src/main/native/fuse-dfs/fuse_init.c:34 >> >> LD_LIBRARY_PATH=/opt/hadoop-2.2.0/lib/native:/usr/java/jdk1.7.0_55/jre/lib/amd64/server >> ERROR >> /root/hadoop-2.2.0-src/hadoop-hdfs-project/hadoop-hdfs/src/main/native/fuse-dfs/fuse_init.c:35 >> >> CLASSPATH=/opt/hadoop-2.2.0/etc/hadoop:/opt/hadoop-2.2.0/share/hadoop/common/lib/*:/opt/hadoop-2.2.0/share/hadoop/common/*:/opt/hadoop-2.2.0/share/hadoop/hdfs:/opt/hadoop-2.2.0/share/hadoop/hdfs/lib/*:/opt/hadoop-2.2.0/share/hadoop/hdfs/*:/opt/hadoop-2.2.0/share/hadoop/yarn/lib/*:/opt/hadoop-2.2.0/share/hadoop/yarn/*:/opt/hadoop-2.2.0/share/hadoop/mapreduce/lib/*:/opt/hadoop-2.2.0/share/hadoop/mapreduce/*:/opt/hadoop-2.2.0/contrib/capacity-scheduler/*.jar >> ------------------------------------------------ >> >> It looks like the configuration is not correctly loaded. But I have already >> configured “hadoop.fuse.timer.period" and “hadoop.fuse.connection.timeout" >> in $HADOOP_HOME/etc/hadoop/hdfs-site.xml. >> >> Can any one share some hints on how to fix this? How can I let fuse-dfs >> correctly load the configuration? >> >> Thanks in advance! >> Cheng > > > > -- > Harsh J -- Harsh J
