因为用默认的写入太繁琐所以我决定用hibernate写入，好像是spring方法注入错误我想问下是不是启动顺序有问题。希望各位大虾能够给个好点的解决方案。最好有例子只能给100分。全部奉上
log4j实现类
- Java code
package com.onionportal.until.dao.imp;import java.util.Calendar;import org.apache.log4j.AppenderSkeleton;import org.apache.log4j.spi.LoggingEvent;import org.springframework.orm.hibernate3.HibernateTemplate;import com.onionportal.orm.SystemLog;import com.onionportal.until.dao.SystemLogDao;public class SystemLogDaoImp extends AppenderSkeleton implements SystemLogDao{ private HibernateTemplate hibernateTemplate; public void setHibernateTemplate(HibernateTemplate hibernateTemplate) { this.hibernateTemplate = hibernateTemplate; } @Override protected void append(LoggingEvent logEvent) { SystemLog systemlog=new SystemLog(); systemlog.setId(1); systemlog.setUserId(1); systemlog.setMessageLevel(1); systemlog.setCreateTime(Calendar.getInstance().getTime()); systemlog.setStackTrace(logEvent.getThreadName()); systemlog.setMessageBody(String.valueOf(logEvent.getMessage())); hibernateTemplate.find(" from SystemLog"); } public void close() { } public boolean requiresLayout() { return false; }}Spring配置文件
- Java code
<bean id="sytemDataDao" class="com.onionportal.until.dao.imp.SystemLogDaoImp"> <property name="hibernateTemplate" ref="hibernateTemplate"></property> </bean>
Log4j配置文件
- Java code
log4j.rootLogger=debug,console,dblog4j.logger.org=ERRORlog4j.logger.com.comp=ERRORlog4j.logger.net.sf.hibernate=ERRORlog4j.logger.net.sf.hibernate.SQL=ERRORlog4j.logger.net.sf.hibernate.type=ERROR log4j.logger.net.sf.ehcache=ERRORlog4j.logger.org.springframework=ERRORlog4j.appender.console=org.apache.log4j.ConsoleAppenderlog4j.appender.console.layout=org.apache.log4j.PatternLayoutlog4j.appender.console.layout.ConversionPattern=%n Level: %p%n Time: %d%n Method: %l%nMessage: %m%nlog4j.appender.db=com.onionportal.until.dao.imp.SystemLogDaoImplog4j.appender.db.BufferSize=100log4j.appender.db.layout=org.apache.log4j.PatternLayout
错误日志
- Java code
Unable to load configuration. - Class: com.onionportal.until.dao.imp.SystemLogDaoImpFile: SystemLogDaoImp.javaMethod: appendLine: 36 - com/onionportal/until/dao/imp/SystemLogDaoImp.java:36:-1 at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:58) at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:374) at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:418) at org.apache.struts2.dispatcher.ng.InitOperations.initDispatcher(InitOperations.java:69) at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.init(StrutsPrepareAndExecuteFilter.java:51) at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:275) at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:397) at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:108) at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:3693) at org.apache.catalina.core.StandardContext.start(StandardContext.java:4342) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:761) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:741) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:525) at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:920) at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:883) at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:492) at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1138) at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311) at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:120) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1023) at org.apache.catalina.core.StandardHost.start(StandardHost.java:719) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1015) at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443) at org.apache.catalina.core.StandardService.start(StandardService.java:448) at org.apache.catalina.core.StandardServer.start(StandardServer.java:710) at org.apache.catalina.startup.Catalina.start(Catalina.java:552) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)Caused by: Error loading configuration file struts-default.xml - Class: com.onionportal.until.dao.imp.SystemLogDaoImpFile: SystemLogDaoImp.javaMethod: appendLine: 36 - com/onionportal/until/dao/imp/SystemLogDaoImp.java:36:-1 at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadDocuments(XmlConfigurationProvider.java:147) at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.init(XmlConfigurationProvider.java:110) at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:168) at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:55) ... 31 moreCaused by: java.lang.NullPointerException at com.onionportal.until.dao.imp.SystemLogDaoImp.append(SystemLogDaoImp.java:36) at org.apache.log4j.AppenderSkeleton.doAppend(AppenderSkeleton.java:251) at org.apache.log4j.helpers.AppenderAttachableImpl.appendLoopOnAppenders(AppenderAttachableImpl.java:66) at org.apache.log4j.Category.callAppenders(Category.java:206) at org.apache.log4j.Category.forcedLog(Category.java:391) at org.apache.log4j.Category.log(Category.java:856) at org.apache.commons.logging.impl.Log4JLogger.debug(Log4JLogger.java:177) at com.opensymphony.xwork2.util.logging.commons.CommonsLogger.debug(CommonsLogger.java:57) at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadConfigurationFiles(XmlConfigurationProvider.java:858) at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadDocuments(XmlConfigurationProvider.java:143) ... 34 more2011-6-8 1:59:00 org.apache.catalina.core.StandardContext filterStart严重: Exception starting filter struts2java.lang.NullPointerException at com.onionportal.until.dao.imp.SystemLogDaoImp.append(SystemLogDaoImp.java:36) at org.apache.log4j.AppenderSkeleton.doAppend(AppenderSkeleton.java:251) at org.apache.log4j.helpers.AppenderAttachableImpl.appendLoopOnAppenders(AppenderAttachableImpl.java:66) at org.apache.log4j.Category.callAppenders(Category.java:206) at org.apache.log4j.Category.forcedLog(Category.java:391) at org.apache.log4j.Category.log(Category.java:856) at org.apache.commons.logging.impl.Log4JLogger.error(Log4JLogger.java:257) at com.opensymphony.xwork2.util.logging.commons.CommonsLogger.error(CommonsLogger.java:27) at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:430) at org.apache.struts2.dispatcher.ng.InitOperations.initDispatcher(InitOperations.java:69) at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.init(StrutsPrepareAndExecuteFilter.java:51)