maven项目 mybatis generator运行报错。。。。在线急等!!!

执行maven命令:mybatis-generator:generate -e 时报如下错误:

Caused by: org.apache.maven.plugin.PluginExecutionException: Execution default-cli of goal org.mybatis.generator:mybatis-generator-maven-plugin:1.3.2:generate failed: Cannot instantiate object of type com.dream.utils.mybatis.type.CustomJavaTypeResolver
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:143)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
... 25 more
Caused by: java.lang.RuntimeException: Cannot instantiate object of type com.dream.utils.mybatis.type.CustomJavaTypeResolver
at org.mybatis.generator.internal.ObjectFactory.createInternalObject(ObjectFactory.java:184)
at org.mybatis.generator.internal.ObjectFactory.createJavaTypeResolver(ObjectFactory.java:207)
at org.mybatis.generator.config.Context.introspectTables(Context.java:429)
at org.mybatis.generator.api.MyBatisGenerator.generate(MyBatisGenerator.java:222)
at org.mybatis.generator.maven.MyBatisGeneratorMojo.execute(MyBatisGeneratorMojo.java:203)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:132)
... 26 more
Caused by: java.lang.ClassNotFoundException: com.dream.utils.mybatis.type.CustomJavaTypeResolver
at org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass(SelfFirstStrategy.java:50)
at org.codehaus.plexus.classworlds.realm.ClassRealm.unsynchronizedLoadClass(ClassRealm.java:259)
at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:235)
at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:227)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:266)
at org.mybatis.generator.internal.ObjectFactory.internalClassForName(ObjectFactory.java:150)
at org.mybatis.generator.internal.ObjectFactory.createInternalObject(ObjectFactory.java:180)
... 31 more

但这个类是存在的。

4个回答

我草 写的代码发布评论 乱了。。我补上图片
图片说明

qq_32159081
qq_32159081 只能把这个类打成jar包才行?没有别的方式么
接近 2 年之前 回复

直接在外面用CMD来用吧,不在maven中来用

图片说明
也就是说
CustomJavaTypeResolver 这个类必须和maven插件在统一classloader下才能,

处理办法,

1、将你写的这个类 打成jar包,放入项目,
2、maven的pom中改为如下

org.mybatis.generator
mybatis-generator-maven-plugin
1.3.2


com.xsm.utils
com.xsm.com
1.0
system
${basedir}/src/main/lib/你打的jar包.jar



true
true

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环境:linux + tomcat7+mysqlrn问题:在本地能跑,发布到linux环境下出,执行到红色语句后,tomcat就一直卡着,也不抛异常。rnrnString resource = "mybatis-config.xml"; rnReader reader = Resources.getResourceAsReader(resource); rn[color=#FF0000]SqlSessionFactory sqlMapper = new SqlSessionFactoryBuilder().build(reader);[/color] rnrnmybatis-config.xml内容如下:rnrnrnrnrnrnrnrnrnrnrnrnrnrnrnrnrnrnrnrnrnrnrnrnrnrnrnrnrnrnrnrnrnrnrnrnrnrnrnrnrnrnrnrnrnrnrnrnrn[color=#FF0000]rn[/color]rnrnrnrnrnrnrnCslOtherMapper.xml 内容如下:rnrnrnrnrnrnrnrnrnrnrnSELECT COUNT(*) totalrnrn,SUM(chipAmount) sumChouMa,rnrnAVG(chipAmount) avgChouMarnrn,SUM(diamondAmount)sumZuanshi,AVG(diamondAmount) avgZuanshi fromrnrncsl_userinfornrnrnrnrnrnSELECT COUNT(*) total ,SUM(chipAmount) sumChouMa,rnrnAVG(chipAmount)rnrnavgChouMarnrn,SUM(diamondAmount)sumZuanshi,AVG(diamondAmount) avgZuanshirnrnFROM csl_userinfo rnrnwhere LastLoginTime >=#date rnrnrnrnrnrninsert into csl_countdaydata (regTotal,regSumChip,regAvgChip,regSumZS,regAvgZS,hyTotal,hySumChip,rnrnhyAvgChip,hySumZS,hyAvgZS,totaltime)rnrnvalues(#regTotal,#regSumChip,#regAvgChip,#regSumZS,#regAvgZS,#hyTotal,#hySumChip,#hyAvgChip,#hySumZS,#hyAvgZS,now())rnrnrnrnrnrnselect count(*) from csl_userinfo where ONLINE=1 and AiPlayer= 0rnrnrnrnrnrninsert into csl_totalonline (totalonline,totaltime) values(#0,now())rnrnrnrnrnrnrnrnreplace into csl_playermedia(idBgt,mediaType,idfa,mac) select l.IdBgt,m.mediaType,d.idfa,d.macAddr from csl_logininfo l left join rnrncsl_deviceinfo d on l.MachineId = d.machineIdrnrnleft join csl_medias m on d.idfa = m.macrnrnand m.activeStatus=0 rnrnwhere l.IdBgt > (select max(idBgt) from csl_playermedia)rnrnrnrnrnrnreplace into csl_playerext (idBgt,dollarcost,cashcost) select ts.idBgt,ROUND(sum(ts.dollarcost),2) dollarcost,ROUND(SUM(ts.cashcost),2) cashcost from (rnrnselect t.idBgt,sum(t.dollar) dollarcost, 0 cashcost from csl_cashrecord t group by t.idBgtrnrnUNION ALLrnrnselect t1.idBgt,0 dollarcost,sum(t1.cashCost) cashcost from record_taobaobuy t1 group by t1.idBgt)rnrntsrnrngroup by ts.idBgt rnrnrnrnrninsert into csl_chartboost (eventType,source,idfa,chinnel,model,os,country,language,area,time)rnrnvalues(#eventType,#source,#idfa,#chinnel,#model,#os,#country,#language,#area,now())rnrnrn[color=#FF0000]rn[/color]rnrndelete from csl_chartboost where datediff(now() ,time) > 90rnrnrnrnrnrnrn[color=#FF0000]奇怪表象:rn1.我在CslOtherMapper.xml 配置文件中增加了deleteChartboost 后和修改batchUpdatePlayerMedia后上传到linux服务器,不能创建SqlSessionFactoryrn2.我修改其他xml文件后上传到linux服务器,也不能创建SqlSessionFactoryrn3.将修改过的文件注释后,有能正常启动[/color]rnrn太奇诡了,求救啊,,大神。。。。。rn
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如果有这一样一张表:人员情况表rn字段:rn姓名 姓别 学历 是否在职rn要求统计出:高中(含)以下人员总数 高中以上本科(含)以下人员总数 本科以上人员总数 以及在职人员总数rnrnrnrn这怎么样查询呀?用一个SQL语句可以吗?查询结果怎么样创建到临时表并增加到临时表里面,又怎么样显示呢?
mybatis generator中文注解
1:将原有实体类生成的英文注释修改为数据库中的中文注释 2:将原有生成的Dao接口和Mapper.xml文件后面的Mapper更改为Dao;如:UserMapper.java 修改为:UserDao.java;UserMapper.xml修改为UserDao.xml; 3:生成的配置文件和Dao中去除insert方法和updateById方法,因为insertSelective和updateByPrimaryKeySelective完全可以满足我们的需求 4:强制生成的所有文件编码为UTF-8 5:为生成的Dao方法中添加中文注释
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