[hdp-01@localhost ~]$ hadoop jar $OLH_JAR oracle.hadoop.leoader.OraLoader -conf OLH/MyConf.xml
Exception in thread "main" java.lang.ClassNotFoundException: oracle.hadoop.leoader.OraLoader
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:348)
at org.apache.hadoop.util.RunJar.run(RunJar.java:237)
at org.apache.hadoop.util.RunJar.main(RunJar.java:158)
組態檔
<configuration>
<property>
<name>mapreduce.inputformat.class</name>
<value>oracle.hadoop.loader.lib.input.DelimitedTextInputFormat</value>
</property>
<property>
<name>mapred.input.dir</name>
<value>t1.dat</value>
</property>
<property>
<name>mapreduce.outputformat.class</name>
<value>oracle.hadoop.loader.lib.output.JDBCOutputFormat</value>
</property>
<property>
<name>mapred.output.dir</name>
<value>olh_out</value>
</property>
<property>
<name>oracle.hadoop.loader.loaderMapFile</name>
<value>file:///home/hdp-01/OLH/olh_t1.xml</value>
</property>
<property>
<name>oracle.hadoop.loader.connection.url</name>
<value>jdbc:oracle:thin:@//192.168.10.111:1522/orcl</value>
</property>
<property>
<name>oracle.hadoop.loader.con
nection.user</name><value>stott</value>
</property>
<property>
<name>oracle.hadoop.loader.connection.password</name>
<value>stott</value>
</property>
</configuration>
服務器檔案
[hdp-01@localhost ~]$ hadoop fs -ls /
20/11/24 22:36:09 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
Found 2 items
drwxr-xr-x - root supergroup 0 2020-11-23 /oracle
drwxr-xr-x - root supergroup 0 2020-11-22 /oracleFile
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標籤：分布式計算/Hadoop
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