更新时间:2022-07-19 GMT+08:00
查看调测结果
操作场景
HBase应用程序运行完成后,可直接通过运行结果查看应用程序运行情况,也可以通过HBase日志获取应用运行情况。
操作步骤
- 运行结果会有如下成功信息:
2020-01-09 10:43:48,777 INFO [main] examples.HBaseExample: MOB Table is created successfully. 2020-01-09 10:43:48,777 INFO [main] examples.HBaseExample: Exiting testCreateMOBTable. 2020-01-09 10:43:48,777 INFO [main] examples.HBaseExample: Entering testMOBDataInsertion. 2020-01-09 10:43:48,801 INFO [main] examples.HBaseExample: MOB data inserted successfully. 2020-01-09 10:43:48,802 INFO [main] examples.HBaseExample: Exiting testMOBDataInsertion. 2020-01-09 10:43:48,802 INFO [main] examples.HBaseExample: Entering testMOBDataRead. 2020-01-09 10:43:49,337 INFO [main] examples.HBaseExample: value: 2020-01-09 10:43:49,337 INFO [main] examples.HBaseExample: MOB data read successfully. 2020-01-09 10:43:49,337 INFO [main] examples.HBaseExample: Exiting testMOBDataRead. 2020-01-09 10:43:49,338 INFO [main] examples.HBaseExample: Entering dropTable. 2020-01-09 10:43:49,341 INFO [main] client.HBaseAdmin: Started disable of hbase_sample_table 2020-01-09 10:43:50,080 INFO [main] client.HBaseAdmin: Operation: DISABLE, Table Name: default:hbase_sample_table, procId: 41 completed 2020-01-09 10:43:50,550 INFO [main] client.HBaseAdmin: Operation: DELETE, Table Name: default:hbase_sample_table, procId: 43 completed 2020-01-09 10:43:50,550 INFO [main] examples.HBaseExample: Drop table successfully. 2020-01-09 10:43:50,550 INFO [main] examples.HBaseExample: Exiting dropTable. 2020-01-09 10:43:50,550 INFO [main] client.ConnectionImplementation: Closing master protocol: MasterService 2020-01-09 10:43:50,556 INFO [main] examples.TestMain: -----------finish to test HBase API-------------------
在Windows环境运行样例代码时会出现下面的异常,但是不影响业务:
java.io.IOException: Could not locate executable null\bin\winutils.exe in the Hadoop binaries.
- 日志说明
日志级别默认为INFO,可以通过调整日志打印级别(DEBUG,INFO,WARN,ERROR,FATAL)来显示更详细的信息。可以通过修改log4j.properties文件来实现,如:
hbase.root.logger=INFO,console log4j.logger.org.apache.zookeeper=INFO #log4j.logger.org.apache.hadoop.fs.FSNamesystem=DEBUG log4j.logger.org.apache.hadoop.hbase=INFO # Make these two classes DEBUG-level. Make them DEBUG to see more zk debug. log4j.logger.org.apache.hadoop.hbase.zookeeper.ZKUtil=INFO log4j.logger.org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher=INFO
父主题: 在Windows中调测程序