Nutch抓取错误——java.sql.BatchUpdateException: Incorrect string value: '\xF2\xA3\xAC\xB7\xEF\xBF.

Nutch抓取数据时报错如下

2016-05-13 19:31:55,415 WARN mapred.LocalJobRunner - job_local1852033656_0004
java.lang.Exception: java.io.IOException: java.sql.BatchUpdateException: Incorrect string value: '\xF2\xA3\xAC\xB7\xEF\xBF...' for column 'text' at row 1
at org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:354)
Caused by: java.io.IOException: java.sql.BatchUpdateException: Incorrect string value: '\xF2\xA3\xAC\xB7\xEF\xBF...' for column 'text' at row 1
at org.apache.gora.sql.store.SqlStore.flush(SqlStore.java:340)
at org.apache.gora.sql.store.SqlStore.close(SqlStore.java:185)
at org.apache.gora.mapreduce.GoraRecordWriter.close(GoraRecordWriter.java:55)
at org.apache.hadoop.mapred.MapTask$NewDirectOutputCollector.close(MapTask.java:650)
at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:767)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:364)
at org.apache.hadoop.mapred.LocalJobRunner$Job$MapTaskRunnable.run(LocalJobRunner.java:223)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.sql.BatchUpdateException: Incorrect string value: '\xF2\xA3\xAC\xB7\xEF\xBF...' for column 'text' at row 1
at com.mysql.jdbc.PreparedStatement.executeBatchSerially(PreparedStatement.java:2028)
at com.mysql.jdbc.PreparedStatement.executeBatch(PreparedStatement.java:1451)
at org.apache.gora.sql.store.SqlStore.flush(SqlStore.java:328)
... 11 more
Caused by: java.sql.SQLException: Incorrect string value: '\xF2\xA3\xAC\xB7\xEF\xBF...' for column 'text' at row 1
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1073)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3609)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3541)
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2002)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2163)
at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2624)
at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:2127)
at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2427)
at com.mysql.jdbc.PreparedStatement.executeBatchSerially(PreparedStatement.java:1980)
... 13 more

错误原因：

utf-8一个字符支持最多3个字节，而utf8mb4最多支持4个字节，上述的原因就是nutch配置的MYSQL数据库数据类型为utf-8，修改成utf8mb4即可