D:Javajdk-1.8.0binjava.exe "-javaagent:D:JavaIntelliJ IDEA 2019.3.5libidea_rt.jar=16370:D:JavaIntelliJ IDEA 2019.3.5bin" -Dfile.encoding=UTF-8 -classpath D:Javajdk-1.8.0jrelibcharsets.jar;D:Javajdk-1.8.0jrelibdeploy.jar;D:Javajdk-1.8.0jrelibextaccess-bridge-64.jar;D:Javajdk-1.8.0jrelibextcldrdata.jar;D:Javajdk-1.8.0jrelibextdnsns.jar;D:Javajdk-1.8.0jrelibextjaccess.jar;D:Javajdk-1.8.0jrelibextjfxrt.jar;D:Javajdk-1.8.0jrelibextlocaledata.jar;D:Javajdk-1.8.0jrelibextnashorn.jar;D:Javajdk-1.8.0jrelibextsunec.jar;D:Javajdk-1.8.0jrelibextsunjce_provider.jar;D:Javajdk-1.8.0jrelibextsunmscapi.jar;D:Javajdk-1.8.0jrelibextsunpkcs11.jar;D:Javajdk-1.8.0jrelibextzipfs.jar;D:Javajdk-1.8.0jrelibjavaws.jar;D:Javajdk-1.8.0jrelibjce.jar;D:Javajdk-1.8.0jrelibjfr.jar;D:Javajdk-1.8.0jrelibjfxswt.jar;D:Javajdk-1.8.0jrelibjsse.jar;D:Javajdk-1.8.0jrelibmanagement-agent.jar;D:Javajdk-1.8.0jrelibplugin.jar;D:Javajdk-1.8.0jrelibresources.jar;D:Javajdk-1.8.0jrelibrt.jar;D:Javamavencom.xurong1OneDaytargettest-classes;D:Javamavencom.xurong1OneDaytargetclasses;D:Javamavenmaven_repositoryorgmybatismybatis3.5.7mybatis-3.5.7.jar;D:Javamavenmaven_repositorymysqlmysql-connector-java8.0.25mysql-connector-java-8.0.25.jar;D:Javamavenmaven_repositorycomgoogleprotobufprotobuf-java3.11.4protobuf-java-3.11.4.jar;D:Javamavenmaven_repositorycomattinnolog4j1.2.13log4j-1.2.13.jar;D:Javamavenmaven_repositorycomattinnoenv1.2.13env-1.2.13.jar;D:Javamavenmaven_repositorynetjavadevjnajna-platform4.0.0jna-platform-4.0.0.jar;D:Javamavenmaven_repositorynetjavadevjnajna4.0.0jna-4.0.0.jar;D:Javamavenmaven_repositoryorgapacheisisviewerjunit0.2.0-incubatingjunit-0.2.0-incubating.jar;D:Javamavenmaven_repositoryorgapacheisisprogmodelswrapper-metamodel0.2.0-incubatingwrapper-metamodel-0.2.0-incubating.jar;D:Javamavenmaven_repositoryorgapacheisisprogmodelswrapper-applib0.2.0-incubatingwrapper-applib-0.2.0-incubating.jar;D:Javamavenmaven_repositoryorgapacheisisapplib0.2.0-incubatingapplib-0.2.0-incubating.jar;D:Javamavenmaven_repositoryjoda-timejoda-time1.6.2joda-time-1.6.2.jar;D:Javamavenmaven_repositoryorgapacheisisruntimesdfltbytecodedflt0.2.0-incubatingdflt-0.2.0-incubating.jar;D:Javamavenmaven_repositoryorgapacheisisruntimesdfltobjectstoresdflt0.2.0-incubatingdflt-0.2.0-incubating.jar;D:Javamavenmaven_repositoryorgapacheisisruntimesdfltruntime0.2.0-incubatingruntime-0.2.0-incubating.jar;D:Javamavenmaven_repositoryorgapacheisiscoreruntime0.2.0-incubatingruntime-0.2.0-incubating.jar;D:Javamavenmaven_repositorycommons-clicommons-cli1.2commons-cli-1.2.jar;D:Javamavenmaven_repositorycommons-langcommons-lang2.6commons-lang-2.6.jar;D:Javamavenmaven_repositoryorgapacheisisruntimesdfltbytecodeidentity0.2.0-incubatingidentity-0.2.0-incubating.jar;D:Javamavenmaven_repositoryorgapacheisisruntimesdfltprofilestoresdflt0.2.0-incubatingdflt-0.2.0-incubating.jar;D:Javamavenmaven_repositoryorgapacheisissecuritydflt0.2.0-incubatingdflt-0.2.0-incubating.jar;D:Javamavenmaven_repositoryorgapacheisisprogmodelsdflt0.2.0-incubatingdflt-0.2.0-incubating.jar;D:Javamavenmaven_repositoryorgapacheisiscoreprogmodel0.2.0-incubatingprogmodel-0.2.0-incubating.jar;D:Javamavenmaven_repositoryorgapacheisiscoremetamodel0.2.0-incubatingmetamodel-0.2.0-incubating.jar;D:Javamavenmaven_repositoryorgapacheisiscorecommons0.2.0-incubatingcommons-0.2.0-incubating.jar;D:Javamavenmaven_repositorycommons-collectionscommons-collections3.2.1commons-collections-3.2.1.jar;D:Javamavenmaven_repositorycommons-codeccommons-codec1.6commons-codec-1.6.jar;D:Javamavenmaven_repositorycomgoogleinjectguice3.0guice-3.0.jar;D:Javamavenmaven_repositoryjavaxinjectjavax.inject1javax.inject-1.jar;D:Javamavenmaven_repositoryaopallianceaopalliance1.0aopalliance-1.0.jar;D:Javamavenmaven_repositoryasmasm3.1asm-3.1.jar;D:Javamavenmaven_repositoryorgobjenesisobjenesis1.2objenesis-1.2.jar;D:Javamavenmaven_repositorycglibcglib-nodep2.1_3cglib-nodep-2.1_3.jar;D:Javamavenmaven_repositoryorgjmockjmock2.5.1jmock-2.5.1.jar;D:Javamavenmaven_repositoryorghamcresthamcrest-core1.1hamcrest-core-1.1.jar;D:Javamavenmaven_repositoryorgjmockjmock-junit42.5.1jmock-junit4-2.5.1.jar;D:Javamavenmaven_repositoryorgjmockjmock-legacy2.5.1jmock-legacy-2.5.1.jar;D:Javamavenmaven_repositoryjunitjunit4.10junit-4.10.jar;D:Javamavenmaven_repositorylog4jlog4j1.2.16log4j-1.2.16.jar;D:Javamavenmaven_repositorycomgoogleguavaguava11.0guava-11.0.jar;D:Javamavenmaven_repositorycomgooglecodefindbugsjsr3051.3.9jsr305-1.3.9.jar;D:Javamavenmaven_repositoryorghamcresthamcrest-library1.1hamcrest-library-1.1.jar com.xurong.test.MybatiesTest 2021-10-20 14:49:50,516 0 [ main] DEBUG ache.ibatis.logging.LogFactory - Logging initialized using 'class org.apache.ibatis.logging.log4j.Log4jImpl' adapter. 2021-10-20 14:49:50,550 34 [ main] DEBUG source.pooled.PooledDataSource - PooledDataSource forcefully closed/removed all connections. 2021-10-20 14:49:50,550 34 [ main] DEBUG source.pooled.PooledDataSource - PooledDataSource forcefully closed/removed all connections. 2021-10-20 14:49:50,550 34 [ main] DEBUG source.pooled.PooledDataSource - PooledDataSource forcefully closed/removed all connections. 2021-10-20 14:49:50,550 34 [ main] DEBUG source.pooled.PooledDataSource - PooledDataSource forcefully closed/removed all connections. 2021-10-20 14:49:50,665 149 [ main] DEBUG ansaction.jdbc.JdbcTransaction - Opening JDBC Connection Loading class `com.mysql.jdbc.Driver'. This is deprecated. The new driver class is `com.mysql.cj.jdbc.Driver'. The driver is automatically registered via the SPI and manual loading of the driver class is generally unnecessary. Exception in thread "main" org.apache.ibatis.exceptions.PersistenceException: ### Error querying database. Cause: java.sql.SQLException: Access denied for user ''@'localhost' (using password: YES) ### The error may exist in com/xu/dao/IUserDao.xml ### The error may involve com.xu.dao.IUserDao.findAll ### The error occurred while executing a query ### Cause: java.sql.SQLException: Access denied for user ''@'localhost' (using password: YES) at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30) at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:153) at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:145) at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:140) at org.apache.ibatis.binding.MapperMethod.executeForMany(MapperMethod.java:147) at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:80) at org.apache.ibatis.binding.MapperProxy$PlainMethodInvoker.invoke(MapperProxy.java:145) at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:86) at com.sun.proxy.$Proxy4.findAll(Unknown Source) at com.xurong.test.MybatiesTest.main(MybatiesTest.java:41) Caused by: java.sql.SQLException: Access denied for user ''@'localhost' (using password: YES) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:129) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:122) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at java.sql.DriverManager.getConnection(DriverManager.java:664) at java.sql.DriverManager.getConnection(DriverManager.java:208) at org.apache.ibatis.datasource.unpooled.UnpooledDataSource.doGetConnection(UnpooledDataSource.java:224) at org.apache.ibatis.datasource.unpooled.UnpooledDataSource.doGetConnection(UnpooledDataSource.java:219) at org.apache.ibatis.datasource.unpooled.UnpooledDataSource.getConnection(UnpooledDataSource.java:95) at org.apache.ibatis.datasource.pooled.PooledDataSource.popConnection(PooledDataSource.java:432) at org.apache.ibatis.datasource.pooled.PooledDataSource.getConnection(PooledDataSource.java:89) at org.apache.ibatis.transaction.jdbc.JdbcTransaction.openConnection(JdbcTransaction.java:139) at org.apache.ibatis.transaction.jdbc.JdbcTransaction.getConnection(JdbcTransaction.java:61) at org.apache.ibatis.executor.baseExecutor.getConnection(baseExecutor.java:337) at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:86) at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:62) at org.apache.ibatis.executor.baseExecutor.queryFromDatabase(baseExecutor.java:325) at org.apache.ibatis.executor.baseExecutor.query(baseExecutor.java:156) at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:109) at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:89) at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:151) ... 8 more Process finished with exit code 1
错误解决步骤：
先检查主机名，端口号所对应的URL是否写正确，然后检查用户名username是否书写正确，密码是否正确，然后再上网查。
