- html - 出于某种原因,IE8 对我的 Sass 文件中继承的 html5 CSS 不友好?
- JMeter 在响应断言中使用 span 标签的问题
- html - 在 :hover and :active? 上具有不同效果的 CSS 动画
- html - 相对于居中的 html 内容固定的 CSS 重复背景?
我目前正在开发我的 Spring 项目以创建简单的图书馆门户(仅用于教育目的)。现在我正在努力使用 Log4j2 JDBCAppender 将一些操作记录到 MySQL 数据库中。
为此,我使用查询在我的数据库中创建了表:
CREATE TABLE user_logs (
`id` int(12) NOT NULL AUTO_INCREMENT,
`level` varchar(10) NOT NULL,
`dated` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
`username` varchar(64) NOT NULL,
`field` varchar(60) NOT NULL,
`from` varchar(1000) NOT NULL DEFAULT '',
`to` varchar(1000) NOT NULL DEFAULT '',
`message` varchar(500) NOT NULL,
PRIMARY KEY (`id`),
KEY `user` (`username`),
CONSTRAINT `FK_USERNAME` FOREIGN KEY (`username`)
REFERENCES `user` (`username`)
ON DELETE NO ACTION ON UPDATE NO ACTION
)ENGINE=InnoDB DEFAULT CHARSET=utf8;
在数据库中,我想存储信息,哪些字段被修改,从哪个字段更改到哪个值。日志还将包含发生更改的用户的信息。
然后我创建了 Log4j2 XML 配置文件:
<?xml version="1.0" encoding="UTF-8"?>
<Configuration name="ChangesLogs">
<Appenders>
<Console name="consoleAppender" target="SYSTEM_OUT">
<PatternLayout pattern="%d | %level | %logger | %m" />
</Console>
<JDBC name="userAppenderDB" tableName="user_logs">
<ConnectionFactory class="com.wkrzywiec.spring.library.config.LogsConnectionFactory" method="getDatabaseConnection" />
<Column name="level" pattern="%level"/>
<Column name="username" pattern="%X{username}"/>
<Column name="field" pattern="%X{field}"/>
<Column name="from" pattern="%X{from}"/>
<Column name="to" pattern="%X{to}"/>
<Column name="message" pattern="%message"/>
</JDBC>
</Appenders>
<Loggers>
<Root level="debug">
<AppenderRef ref="consoleAppender" />
</Root>
<Logger name="userLoggerDB" >
<AppenderRef ref="consoleAppender" />
<AppenderRef ref="userAppenderDB" />
</Logger>
</Loggers>
JDBCAppender 连接池类:
package com.wkrzywiec.spring.library.config;
import java.sql.Connection;
import java.sql.SQLException;
import java.util.Properties;
import javax.sql.DataSource;
import org.apache.commons.dbcp.DriverManagerConnectionFactory;
import org.apache.commons.dbcp.PoolableConnection;
import org.apache.commons.dbcp.PoolableConnectionFactory;
import org.apache.commons.dbcp.PoolingDataSource;
import org.apache.commons.pool.impl.GenericObjectPool;
import org.springframework.stereotype.Component;
@Component
public class LogsConnectionFactory {
private static interface Singleton {
final LogsConnectionFactory INSTANCE = new LogsConnectionFactory();
}
private final DataSource dataSource;
private String datasourceURL = "jdbc:mysql://localhost:3306/library_db?autoReconnect=true&useSSL=false&useUnicode=true&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=UTC";
private String userName = "library-spring";
private String pass = "library-spring";
private LogsConnectionFactory() {
Properties properties = new Properties();
properties.setProperty("user", userName);
properties.setProperty("password", pass);
GenericObjectPool<PoolableConnection> pool = new GenericObjectPool<PoolableConnection>();
DriverManagerConnectionFactory connectionFactory = new DriverManagerConnectionFactory(
datasourceURL, properties);
new PoolableConnectionFactory(connectionFactory, pool, null, "SELECT 1", 3, false, false, Connection.TRANSACTION_READ_COMMITTED);
this.dataSource = new PoolingDataSource(pool);
}
public static Connection getDatabaseConnection() throws SQLException {
return Singleton.INSTANCE.dataSource.getConnection();
}
}
最后,当我在我的服务类中使用以下代码保存新用户时:
@Override
public void saveReaderUser(UserDTO user) {
com.wkrzywiec.spring.library.entity.User userEntity = convertUserDTOtoUserEntity(user);
userDAO.saveUser(userEntity);
ThreadContext.put("username", user.getUsername());
ThreadContext.put("field", "ALL");
ThreadContext.put("from", "");
ThreadContext.put("to", user.toString());
userLogger.info("New user");
ThreadContext.clearAll();
}
我有这个错误(只是为了说清楚,这个错误只是为了添加日志,用户已成功保存在数据库中):
Caused by: java.sql.BatchUpdateException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'from,to,message) VALUES ('INFO','wojtek21','ALL','','UserDTO [username=wojtek21,' at line 1
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at com.mysql.cj.core.util.Util.handleNewInstance(Util.java:185)
at com.mysql.cj.core.util.Util.getInstance(Util.java:168)
at com.mysql.cj.core.util.Util.getInstance(Util.java:175)
at com.mysql.cj.jdbc.exceptions.SQLError.createBatchUpdateException(SQLError.java:636)
at com.mysql.cj.jdbc.PreparedStatement.executeBatchSerially(PreparedStatement.java:1734)
at com.mysql.cj.jdbc.PreparedStatement.executeBatchInternal(PreparedStatement.java:1217)
at com.mysql.cj.jdbc.StatementImpl.executeBatch(StatementImpl.java:1009)
at org.apache.commons.dbcp.DelegatingStatement.executeBatch(DelegatingStatement.java:297)
at org.apache.commons.dbcp.DelegatingStatement.executeBatch(DelegatingStatement.java:297)
at org.apache.logging.log4j.core.appender.db.jdbc.JdbcDatabaseManager.commitAndClose(JdbcDatabaseManager.java:172)
... 59 more
Caused by: java.sql.SQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'from,to,message) VALUES ('INFO','wojtek21','ALL','','UserDTO [username=wojtek21,' at line 1
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:536)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:513)
at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:115)
at com.mysql.cj.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:1983)
at com.mysql.cj.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1826)
at com.mysql.cj.jdbc.PreparedStatement.executeUpdateInternal(PreparedStatement.java:2034)
at com.mysql.cj.jdbc.PreparedStatement.executeBatchSerially(PreparedStatement.java:1712)
... 64 more
2018-03-04 10:07:44,726 http-bio-8080-exec-7 ERROR An exception occurred processing Appender userAppenderDB org.apache.logging.log4j.core.appender.AppenderLoggingException: Failed to commit transaction logging event or flushing buffer.
at org.apache.logging.log4j.core.appender.db.jdbc.JdbcDatabaseManager.commitAndClose(JdbcDatabaseManager.java:177)
at org.apache.logging.log4j.core.appender.db.AbstractDatabaseManager.write(AbstractDatabaseManager.java:174)
at org.apache.logging.log4j.core.appender.db.AbstractDatabaseAppender.append(AbstractDatabaseAppender.java:108)
at org.apache.logging.log4j.core.config.AppenderControl.tryCallAppender(AppenderControl.java:156)
at org.apache.logging.log4j.core.config.AppenderControl.callAppender0(AppenderControl.java:129)
at org.apache.logging.log4j.core.config.AppenderControl.callAppenderPreventRecursion(AppenderControl.java:120)
at org.apache.logging.log4j.core.config.AppenderControl.callAppender(AppenderControl.java:84)
at org.apache.logging.log4j.core.config.LoggerConfig.callAppenders(LoggerConfig.java:448)
at org.apache.logging.log4j.core.config.LoggerConfig.processLogEvent(LoggerConfig.java:433)
at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:417)
at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:403)
at org.apache.logging.log4j.core.config.AwaitCompletionReliabilityStrategy.log(AwaitCompletionReliabilityStrategy.java:63)
at org.apache.logging.log4j.core.Logger.logMessage(Logger.java:146)
at org.apache.logging.log4j.spi.AbstractLogger.tryLogMessage(AbstractLogger.java:2163)
at org.apache.logging.log4j.spi.AbstractLogger.logMessageTrackRecursion(AbstractLogger.java:2118)
at org.apache.logging.log4j.spi.AbstractLogger.logMessageSafely(AbstractLogger.java:2101)
at org.apache.logging.log4j.spi.AbstractLogger.logMessage(AbstractLogger.java:1995)
at org.apache.logging.log4j.spi.AbstractLogger.logIfEnabled(AbstractLogger.java:1967)
at org.apache.logging.log4j.spi.AbstractLogger.info(AbstractLogger.java:1304)
at com.wkrzywiec.spring.library.service.LibraryUserDetailService.saveReaderUser(LibraryUserDetailService.java:86)
at com.wkrzywiec.spring.library.controller.LoginController.processRegisterForm(LoginController.java:58)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:209)
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:136)
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:102)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:871)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:777)
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:991)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:925)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:978)
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:881)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:648)
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:855)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:209)
at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:178)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:357)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:270)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:94)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:504)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:502)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1132)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:684)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:283)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.sql.BatchUpdateException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'from,to,message) VALUES ('INFO','wojtek21','ALL','','UserDTO [username=wojtek21,' at line 1
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at com.mysql.cj.core.util.Util.handleNewInstance(Util.java:185)
at com.mysql.cj.core.util.Util.getInstance(Util.java:168)
at com.mysql.cj.core.util.Util.getInstance(Util.java:175)
at com.mysql.cj.jdbc.exceptions.SQLError.createBatchUpdateException(SQLError.java:636)
at com.mysql.cj.jdbc.PreparedStatement.executeBatchSerially(PreparedStatement.java:1734)
at com.mysql.cj.jdbc.PreparedStatement.executeBatchInternal(PreparedStatement.java:1217)
at com.mysql.cj.jdbc.StatementImpl.executeBatch(StatementImpl.java:1009)
at org.apache.commons.dbcp.DelegatingStatement.executeBatch(DelegatingStatement.java:297)
at org.apache.commons.dbcp.DelegatingStatement.executeBatch(DelegatingStatement.java:297)
at org.apache.logging.log4j.core.appender.db.jdbc.JdbcDatabaseManager.commitAndClose(JdbcDatabaseManager.java:172)
... 59 more
Caused by: java.sql.SQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'from,to,message) VALUES ('INFO','wojtek21','ALL','','UserDTO [username=wojtek21,' at line 1
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:536)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:513)
at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:115)
at com.mysql.cj.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:1983)
at com.mysql.cj.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1826)
at com.mysql.cj.jdbc.PreparedStatement.executeUpdateInternal(PreparedStatement.java:2034)
at com.mysql.cj.jdbc.PreparedStatement.executeBatchSerially(PreparedStatement.java:1712)
... 64 more
我尝试了很多方法来解决它(检查拼写错误、其他配置、sql 表中的数据类型等),但没有成功。从错误消息看来,这是 SQL 插入查询的问题,但我不知道如何修复它,因为它是由 Log4j2 生成的。你知道我做错了什么吗?
非常感谢您的支持。
非常感谢!
最佳答案
from
是一个 SQL 关键字。不要将其用作列名。
关于java - 使用 Log4j2 在 MySQL 中获取语法错误(XML 配置),我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/49094218/
我需要您在以下方面提供帮助。近一个月来,我一直在阅读有关任务和异步的内容。 我想尝试在一个简单的 wep api 项目中实现我新获得的知识。我有以下方法,并且它们都按预期工作: public Htt
我的可执行 jar 中有一个模板文件 (.xls)。不需要在运行时我需要为这个文件创建 100 多个副本(稍后将唯一地附加)。用于获取 jar 文件中的资源 (template.xls)。我正在使用
我在查看网站的模型代码时对原型(prototype)有疑问。我知道这对 Javascript 中的继承很有用。 在这个例子中... define([], function () { "use
影响我性能的前三项操作是: 获取滚动条 获取偏移高度 Ext.getStyle 为了解释我的应用程序中发生了什么:我有一个网格,其中有一列在每个单元格中呈现网格。当我几乎对网格的内容做任何事情时,它运
我正在使用以下函数来获取 URL 参数。 function gup(name, url) { name = name.replace(/[\[]/, '\\\[').replace(/[\]]/,
我最近一直在使用 sysctl 来做很多事情,现在我使用 HW_MACHINE_ARCH 变量。我正在使用以下代码。请注意,当我尝试获取其他变量 HW_MACHINE 时,此代码可以完美运行。我还认为
关闭。这个问题不符合Stack Overflow guidelines .它目前不接受答案。 关闭 9 年前。 要求提供代码的问题必须表现出对所解决问题的最低限度的理解。包括尝试过的解决方案、为什么
由于使用 main-bower-files 作为使用 Gulp 的编译任务的一部分,我无法使用 node_modules 中的 webpack 来require 模块code> dir 因为我会弄乱当
关闭。这个问题需要更多focused .它目前不接受答案。 想改进这个问题吗? 更新问题,使其只关注一个问题 editing this post . 关闭 5 年前。 Improve this qu
我使用 Gridlayout 在一行中放置 4 个元素。首先,我有一个 JPanel,一切正常。对于行数变大并且我必须能够向下滚动的情况,我对其进行了一些更改。现在我的 JPanel 上添加了一个 J
由于以下原因,我想将 VolumeId 的值保存在变量中: #!/usr/bin/env python import boto3 import json import argparse import
我正在将 MSAL 版本 1.x 更新为 MSAL-browser 的 Angular 。所以我正在尝试从版本 1.x 迁移到 2.X.I 能够成功替换代码并且工作正常。但是我遇到了 acquireT
我知道有很多关于此的问题,例如 Getting daily averages with pandas和 How get monthly mean in pandas using groupby但我遇到
This is the query string that I am receiving in URL. Output url: /demo/analysis/test?startDate=Sat+
我正在尝试使用 javascript 中的以下代码访问 Geoserver 层 var gkvrtWmsSource =new ol.source.ImageWMS({ u
API 需要一个包含授权代码的 header 。这就是我到目前为止所拥有的: var fullUrl = 'https://api.ecobee.com/1/thermostat?json=\{"s
如何获取文件中的最后一个字符,如果是某个字符,则删除它而不将整个文件加载到内存中? 这就是我目前所拥有的。 using (var fileStream = new FileStream("file.t
我是这个社区的新手,想出了我的第一个问题。 我正在使用 JSP,我成功地创建了 JSP-Sites,它正在使用jsp:setParameter 和 jsp:getParameter 具有单个字符串。
在回答 StoreStore reordering happens when compiling C++ for x86 @Peter Cordes 写过 For Acquire/Release se
我有一个函数,我们将其命名为 X1,它返回变量 Y。该函数在操作 .on("focusout", X1) 中使用。如何获取变量Y?执行.on后X1的结果? 最佳答案 您可以更改 Y 的范围以使其位于函
我是一名优秀的程序员,十分优秀!