怎么報錯了
五月 24, 2017 4:58:46 下午 org.apache.catalina.core.AprLifecycleListener init
信息: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: C:\Program Files\Java\jre1.8.0_92\bin;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;C:/Program Files/Java/jre1.8.0_92/bin/server;C:/Program Files/Java/jre1.8.0_92/bin;C:/Program Files/Java/jre1.8.0_92/lib/amd64;C:\ProgramData\Oracle\Java\javapath;C:\Program Files\Java\jdk1.7.0_75\bin:C:\ProgramData\Oracle\Java\javapath;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;D:\mysql\bin;D:\maven\apache-maven-3.5.0\bin;D:\maven\bin;;D:\用戶目錄\我的文檔\Tencent Files\939950390\FileRecv\eclipse-jee-kepler-R-win32-x86_64\eclipse;;.
五月 24, 2017 4:58:46 下午 org.apache.tomcat.util.digester.SetPropertiesRule begin
警告: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.jee.server:MicroMessage' did not find a matching property.
五月 24, 2017 4:58:46 下午 org.apache.coyote.AbstractProtocol init
信息: Initializing ProtocolHandler ["http-bio-8080"]
五月 24, 2017 4:58:46 下午 org.apache.coyote.AbstractProtocol init
信息: Initializing ProtocolHandler ["ajp-bio-8009"]
五月 24, 2017 4:58:46 下午 org.apache.catalina.startup.Catalina load
信息: Initialization processed in 778 ms
五月 24, 2017 4:58:46 下午 org.apache.catalina.core.StandardService startInternal
信息: Starting service Catalina
五月 24, 2017 4:58:46 下午 org.apache.catalina.core.StandardEngine startInternal
信息: Starting Servlet Engine: Apache Tomcat/7.0.53
五月 24, 2017 4:58:47 下午 org.apache.catalina.util.SessionIdGenerator createSecureRandom
信息: Creation of SecureRandom instance for session ID generation using [SHA1PRNG] took [778] milliseconds.
五月 24, 2017 4:58:48 下午 org.apache.coyote.AbstractProtocol start
信息: Starting ProtocolHandler ["http-bio-8080"]
五月 24, 2017 4:58:48 下午 org.apache.coyote.AbstractProtocol start
信息: Starting ProtocolHandler ["ajp-bio-8009"]
五月 24, 2017 4:58:48 下午 org.apache.catalina.startup.Catalina start
信息: Server startup in 2031 ms
五月 24, 2017 4:58:54 下午 org.apache.catalina.core.StandardWrapperValve invoke
嚴重: Servlet.service() for servlet [ListServlet] in context with path [/MicroMessage] threw exception
org.apache.ibatis.exceptions.PersistenceException:?
### Error building SqlSession.
### The error may exist in com/imooc/config/sqlxml/Message.xml
### The error occurred while processing mapper_resultMap[MessageResult]
### Cause: org.apache.ibatis.builder.BuilderException: Error parsing SQL Mapper Configuration. Cause: org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. Cause: org.apache.ibatis.builder.BuilderException: Error resolving class. Cause: org.apache.ibatis.type.TypeException: Could not resolve type alias ' com.imooc.bean.Message'. ?Cause: java.lang.ClassNotFoundException: Cannot find class: ?com.imooc.bean.Message
at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30)
at org.apache.ibatis.session.SqlSessionFactoryBuilder.build(SqlSessionFactoryBuilder.java:54)
at org.apache.ibatis.session.SqlSessionFactoryBuilder.build(SqlSessionFactoryBuilder.java:38)
at com.imooc.db.DBAccess.getSqlSession(DBAccess.java:20)
at com.imooc.dao.MessageDao.queryMessageList(MessageDao.java:23)
at com.imooc.service.ListService.queryMessageList(ListService.java:14)
at com.imooc.servlet.ListServlet.doGet(ListServlet.java:35)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:620)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1040)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:313)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: org.apache.ibatis.builder.BuilderException: Error parsing SQL Mapper Configuration. Cause: org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. Cause: org.apache.ibatis.builder.BuilderException: Error resolving class. Cause: org.apache.ibatis.type.TypeException: Could not resolve type alias ' com.imooc.bean.Message'. ?Cause: java.lang.ClassNotFoundException: Cannot find class: ?com.imooc.bean.Message
at org.apache.ibatis.builder.xml.XMLConfigBuilder.parseConfiguration(XMLConfigBuilder.java:118)
at org.apache.ibatis.builder.xml.XMLConfigBuilder.parse(XMLConfigBuilder.java:96)
at org.apache.ibatis.session.SqlSessionFactoryBuilder.build(SqlSessionFactoryBuilder.java:52)
... 26 more
Caused by: org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. Cause: org.apache.ibatis.builder.BuilderException: Error resolving class. Cause: org.apache.ibatis.type.TypeException: Could not resolve type alias ' com.imooc.bean.Message'. ?Cause: java.lang.ClassNotFoundException: Cannot find class: ?com.imooc.bean.Message
at org.apache.ibatis.builder.xml.XMLMapperBuilder.configurationElement(XMLMapperBuilder.java:120)
at org.apache.ibatis.builder.xml.XMLMapperBuilder.parse(XMLMapperBuilder.java:92)
at org.apache.ibatis.builder.xml.XMLConfigBuilder.mapperElement(XMLConfigBuilder.java:360)
at org.apache.ibatis.builder.xml.XMLConfigBuilder.parseConfiguration(XMLConfigBuilder.java:116)
... 28 more
Caused by: org.apache.ibatis.builder.BuilderException: Error resolving class. Cause: org.apache.ibatis.type.TypeException: Could not resolve type alias ' com.imooc.bean.Message'. ?Cause: java.lang.ClassNotFoundException: Cannot find class: ?com.imooc.bean.Message
at org.apache.ibatis.builder.BaseBuilder.resolveClass(BaseBuilder.java:118)
at org.apache.ibatis.builder.xml.XMLMapperBuilder.resultMapElement(XMLMapperBuilder.java:265)
at org.apache.ibatis.builder.xml.XMLMapperBuilder.resultMapElement(XMLMapperBuilder.java:252)
at org.apache.ibatis.builder.xml.XMLMapperBuilder.resultMapElements(XMLMapperBuilder.java:244)
at org.apache.ibatis.builder.xml.XMLMapperBuilder.configurationElement(XMLMapperBuilder.java:116)
... 31 more
Caused by: org.apache.ibatis.type.TypeException: Could not resolve type alias ' com.imooc.bean.Message'. ?Cause: java.lang.ClassNotFoundException: Cannot find class: ?com.imooc.bean.Message
at org.apache.ibatis.type.TypeAliasRegistry.resolveAlias(TypeAliasRegistry.java:120)
at org.apache.ibatis.builder.BaseBuilder.resolveAlias(BaseBuilder.java:149)
at org.apache.ibatis.builder.BaseBuilder.resolveClass(BaseBuilder.java:116)
... 35 more
Caused by: java.lang.ClassNotFoundException: Cannot find class: ?com.imooc.bean.Message
at org.apache.ibatis.io.ClassLoaderWrapper.classForName(ClassLoaderWrapper.java:200)
at org.apache.ibatis.io.ClassLoaderWrapper.classForName(ClassLoaderWrapper.java:89)
at org.apache.ibatis.io.Resources.classForName(Resources.java:261)
at org.apache.ibatis.type.TypeAliasRegistry.resolveAlias(TypeAliasRegistry.java:116)
... 37 more
2017-06-20
command!=null &&!"" ??. ??equals(command.trim(),少了方法的 .?
2017-06-05
我也遇到相同問題，沒找到錯誤。不知道怎么回事，求前輩解答
2017-05-26
那就不清楚了，按照提示再找找吧
2017-05-24
<?xml version="1.0" encoding="UTF-8"?>
<!--
? ? ? ?Copyright 2009-2012 the original author or authors.
? ? ? ?Licensed under the Apache License, Version 2.0 (the "License");
? ? ? ?you may not use this file except in compliance with the License.
? ? ? ?You may obtain a copy of the License at
? ? ? ? ? http://www.apache.org/licenses/LICENSE-2.0
? ? ? ?Unless required by applicable law or agreed to in writing, software
? ? ? ?distributed under the License is distributed on an "AS IS" BASIS,
? ? ? ?WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
? ? ? ?See the License for the specific language governing permissions and
? ? ? ?limitations under the License.
-->
<!DOCTYPE mapper
? ? PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
? ? "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="Message">
? <resultMap type=" com.imooc.bean.Message" id="MessageResult">
? ? <id column="ID" jdbcType="INTEGER" property="id"/>
? ? <result column="COMMAND" jdbcType="VARCHAR" property="command"/>
? ? <result column="DESCRIPTION" jdbcType="VARCHAR" property="description"/>
? ? <result column="CONTENT" jdbcType="VARCHAR" property="content"/>
? </resultMap>
? <select id="queryMessageList" parameterType="com.imooc.bean.Message" resultMap="MessageResult">
? ?select ID,COMMAND,DESCRIPTION,CONTENT from MESSAGE WHERE 1= 1?
? <if test="command!=null &&!""equals(command.trim())">
? and COMMAND = #{command}?
? </if>
? <if test="description!=null &&!""equals(description.trim())">
? and DESCRIPTION like '%' ?#{description} ?'%'
? </if>
? </select>
</mapper>
2017-05-24
The?error?may?exist?in?com/imooc/config/sqlxml/Message.xml
The?error?occurred?while?processing?mapper_resultMap[MessageResult]
Error?parsing?SQL?Mapper?Configuration======>?Error?parsing?Mapper?XML.
=======>Error?resolving?class========>Could?not?resolve?type?alias?'?com.imooc.bean.Message'.
=======>??Cannot?find?class:??com.imooc.bean.Message