我创建了一个 JDBC 附加程序并绑定 ColumnConfig 和 DataSourceConnectionSource 。
在尝试在数据库中插入记录时（Logger.debug（“Test”））。我遇到以下异常。
Thanks
[6/16/14 18:44:58:647 GMT-08:00] 00000024 SystemErr R ERROR StatusLogger An exception occurred processing Appender JDBCAppender org.apache.logging.log4j.core.appender.AppenderLoggingException: Failed to insert record for log event in JDBC manager: DSRA1300E: Feature is not implemented: PreparedStatement.setNString
at org.apache.logging.log4j.core.appender.db.jdbc.JDBCDatabaseManager.writeInternal(JDBCDatabaseManager.java:117)
at org.apache.logging.log4j.core.appender.db.AbstractDatabaseManager.write(AbstractDatabaseManager.java:159)
at org.apache.logging.log4j.core.appender.db.AbstractDatabaseAppender.append(AbstractDatabaseAppender.java:103)
at org.apache.logging.log4j.core.config.AppenderControl.callAppender(AppenderControl.java:97)
at org.apache.logging.log4j.core.config.LoggerConfig.callAppenders(LoggerConfig.java:425)
at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:406)
at org.apache.logging.log4j.core.Logger$PrivateConfig.logEvent(Logger.java:275)
at org.apache.logging.log4j.core.async.AsyncLogger.actualAsyncLog(AsyncLogger.java:289)
at org.apache.logging.log4j.core.async.RingBufferLogEvent.execute(RingBufferLogEvent.java:99)
at org.apache.logging.log4j.core.async.RingBufferLogEventHandler.onEvent(RingBufferLogEventHandler.java:43)
at org.apache.logging.log4j.core.async.RingBufferLogEventHandler.onEvent(RingBufferLogEventHandler.java:28)
at com.lmax.disruptor.BatchEventProcessor.run(BatchEventProcessor.java:133)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:897)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:919)
at java.lang.Thread.run(Thread.java:736)
Caused by: java.sql.SQLFeatureNotSupportedException: DSRA1300E: Feature is not implemented: PreparedStatement.setNString
at com.ibm.ws.rsadapter.AdapterUtil.notSupportedX(AdapterUtil.java:1306)
at com.ibm.ws.rsadapter.jdbc.WSJdbcPreparedStatement.setNString(WSJdbcPreparedStatement.java:2362)
at org.apache.logging.log4j.core.appender.db.jdbc.JDBCDatabaseManager.writeInternal(JDBCDatabaseManager.java:104)
... 14 more
Caused by: java.lang.AbstractMethodError: java/sql/PreparedStatement.setNString(ILjava/lang/String;)V
at com.ibm.ws.rsadapter.jdbc.WSJdbcPreparedStatement.setNString(WSJdbcPreparedStatement.java:2346)
... 15 more
我之前的回答有误，抱歉。
可以修改此行为通过配置。默认情况下，所有列（除非isEventTimestamp="true") 被视为 unicode 字符串，并且该值通过PreparedStatement.setNString方法。如果您将列配置为isUnicode="false"，值通过插入PreparedStatement.setString，这应该有效。列配置示例：
<Appenders>
<JDBC name="databaseAppender" tableName="dbo.application_log">
<DataSource jndiName="java:/comp/env/jdbc/LoggingDataSource" />
<Column name="eventDate" isEventTimestamp="true" />
<Column name="level" pattern="%level" isUnicode="false" />
<Column name="logger" pattern="%logger" isUnicode="false" />
<Column name="message" pattern="%message" isUnicode="false" />
<Column name="exception" pattern="%ex{full}" isUnicode="false" />
</JDBC>
</Appenders>
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