摘要：今天在做添加组织体系成员的时候，出现了下面的错误，原来发现，数据库设置了唯一索引，当再次新增相同索引包含的id的数据时就会出现这个异常。
"org.springframework.dao.DuplicateKeyException: \r\n### Error updating database. Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Duplicate entry '918012707846774786-981366355901940738' for key 'uk_orgsystem_id_org_id'\r\n### The error may involve boss.auth.org.mapper.OrgSystemOrgMapper.insert-Inline\r\n### The error occurred while setting parameters\r\n### SQL: INSERT INTO ou_orgsystem_org ( id, orgsystem_id, parent_id, org_id, id_path ) VALUES ( ?, ?, ?, ?, ? )\r\n### Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Duplicate entry '918012707846774786-981366355901940738' for key 'uk_orgsystem_id_org_id'\n; SQL []; Duplicate entry '918012707846774786-981366355901940738' for key 'uk_orgsystem_id_org_id'; nested exception is com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Duplicate entry '918012707846774786-981366355901940738' for key 'uk_orgsystem_id_org_id'\r\norg.springframework.dao.DuplicateKeyException: \r\n### Error updating database. Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Duplicate entry '918012707846774786-981366355901940738' for key 'uk_orgsystem_id_org_id'\r\n### The error may involve boss.auth.org.mapper.OrgSystemOrgMapper.insert-Inline\r\n### The error occurred while setting parameters\r\n### SQL: INSERT INTO ou_orgsystem_org ( id, orgsystem_id, parent_id, org_id, id_path ) VALUES ( ?, ?, ?, ?, ? )\r\n### Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Duplicate entry '918012707846774786-981366355901940738' for key 'uk_orgsystem_id_org_id'\n; SQL []; Duplicate entry '918012707846774786-981366355901940738' for key 'uk_orgsystem_id_org_id'; nested exception is com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Duplicate entry '918012707846774786-981366355901940738' for key 'uk_orgsystem_id_org_id'\r\n\tat org.springframework.jdbc.support.SQLErrorCodeSQLExceptionTranslator.doTranslate(SQLErrorCodeSQLExceptionTranslator.java:239)\r\n\tat org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:73)\r\n\tat org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:73)\r\n\tat org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:446)\r\n\tat com.sun.proxy.$Proxy81.insert(Unknown Source)\r\n\tat org.mybatis.spring.SqlSessionTemplate.insert(SqlSessionTemplate.java:278)\r\n\tat org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:57)\r\n\tat org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:59)\r\n\tat com.sun.proxy.$Proxy98.insert(Unknown Source)\r\n\tat boss.auth.org.provider.impl.OrgSystemOrgProviderImpl.save(OrgSystemOrgProviderImpl.java:50)\r\n\tat boss.auth.org.provider.impl.OrgSystemOrgProviderImpl$$FastClassBySpringCGLIB$$f4b2f8c2.invoke(<generated>)\r\n\tat org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)\r\n\tat org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:738)\r\n\tat org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)\r\n\tat org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99)\r\n\tat org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:282)\r\n\tat org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96)\r\n\tat org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)\r\n\tat org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:673)\r\n\tat boss.auth.org.provider.impl.OrgSystemOrgProviderImpl$$EnhancerBySpringCGLIB$$be8c890d.save(<generated>)\r\n\tat com.alibaba.dubbo.common.bytecode.Wrapper11.invokeMethod(Wrapper11.java)\r\n\tat com.alibaba.dubbo.rpc.proxy.javassist.JavassistProxyFactory$1.doInvoke(JavassistProxyFactory.java:46)\r\n\tat com.alibaba.dubbo.rpc.proxy.AbstractProxyInvoker.invoke(AbstractProxyInvoker.java:72)\r\n\tat com.alibaba.dubbo.rpc.protocol.InvokerWrapper.invoke(InvokerWrapper.java:53)\r\n\tat com.alibaba.dubbo.rpc.filter.ExceptionFilter.invoke(ExceptionFilter.java:64)\r\n\tat com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)\r\n\tat com.alibaba.dubbo.monitor.support.MonitorFilter.invoke(MonitorFilter.java:75)\r\n\tat com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)\r\n\tat com.alibaba.dubbo.rpc.filter.TimeoutFilter.invoke(TimeoutFilter.java:42)\r\n\tat com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)\r\n\tat com.alibaba.boot.dubbo.listener.ProviderInvokeStaticsFilter.invoke(ProviderInvokeStaticsFilter.java:30)\r\n\tat com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)\r\n\tat com.alibaba.dubbo.rpc.protocol.dubbo.filter.TraceFilter.invoke(TraceFilter.java:78)\r\n\tat com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)\r\n\tat com.alibaba.dubbo.rpc.filter.ContextFilter.invoke(ContextFilter.java:60)\r\n\tat com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)\r\n\tat com.alibaba.dubbo.rpc.filter.GenericFilter.invoke(GenericFilter.java:112)\r\n\tat com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)\r\n\tat com.alibaba.dubbo.rpc.filter.ClassLoaderFilter.invoke(ClassLoaderFilter.java:38)\r\n\tat com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)\r\n\tat com.alibaba.dubbo.rpc.filter.EchoFilter.invoke(EchoFilter.java:38)\r\n\tat com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)\r\n\tat com.alibaba.dubbo.rpc.protocol.dubbo.DubboProtocol$1.reply(DubboProtocol.java:108)\r\n\tat com.alibaba.dubbo.remoting.exchange.support.header.HeaderExchangeHandler.handleRequest(HeaderExchangeHandler.java:84)\r\n\tat com.alibaba.dubbo.remoting.exchange.support.header.HeaderExchangeHandler.received(HeaderExchangeHandler.java:170)\r\n\tat com.alibaba.dubbo.remoting.transport.DecodeHandler.received(DecodeHandler.java:52)\r\n\tat com.alibaba.dubbo.remoting.transport.dispatcher.ChannelEventRunnable.run(ChannelEventRunnable.java:82)\r\n\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)\r\n\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)\r\n\tat java.lang.Thread.run(Thread.java:745)\r\nCaused by: com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Duplicate entry '918012707846774786-981366355901940738' for key 'uk_orgsystem_id_org_id'\r\n\tat sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)\r\n\tat sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)\r\n\tat sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)\r\n\tat java.lang.reflect.Constructor.newInstance(Constructor.java:422)\r\n\tat com.mysql.jdbc.Util.handleNewInstance(Util.java:425)\r\n\tat com.mysql.jdbc.Util.getInstance(Util.java:408)\r\n\tat com.mysql.jdbc.SQLError.createSQLException(SQLError.java:935)\r\n\tat com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3973)\r\n\tat com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3909)\r\n\tat com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2527)\r\n\tat com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2680)\r\n\tat com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2487)\r\n\tat com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1858)\r\n\tat com.mysql.jdbc.PreparedStatement.execute(PreparedStatement.java:1197)\r\n\tat com.alibaba.druid.pool.DruidPooledPreparedStatement.execute(DruidPooledPreparedStatement.java:493)\r\n\tat sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)\r\n\tat sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)\r\n\tat sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)\r\n\tat java.lang.reflect.Method.invoke(Method.java:497)\r\n\tat org.apache.ibatis.logging.jdbc.PreparedStatementLogger.invoke(PreparedStatementLogger.java:59)\r\n\tat com.sun.proxy.$Proxy130.execute(Unknown Source)\r\n\tat org.apache.ibatis.executor.statement.PreparedStatementHandler.update(PreparedStatementHandler.java:46)\r\n\tat org.apache.ibatis.executor.statement.RoutingStatementHandler.update(RoutingStatementHandler.java:74)\r\n\tat sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)\r\n\tat sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)\r\n\tat sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)\r\n\tat java.lang.reflect.Method.invoke(Method.java:497)\r\n\tat org.apache.ibatis.plugin.Invocation.proceed(Invocation.java:49)\r\n\tat com.baomidou.mybatisplus.plugins.PerformanceInterceptor.intercept(PerformanceInterceptor.java:138)\r\n\tat org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:61)\r\n\tat com.sun.proxy.$Proxy128.update(Unknown Source)\r\n\tat sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)\r\n\tat sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)\r\n\tat sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)\r\n\tat java.lang.reflect.Method.invoke(Method.java:497)\r\n\tat org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:63)\r\n\tat com.sun.proxy.$Proxy128.update(Unknown Source)\r\n\tat org.apache.ibatis.executor.SimpleExecutor.doUpdate(SimpleExecutor.java:50)\r\n\tat org.apache.ibatis.executor.BaseExecutor.update(BaseExecutor.java:117)\r\n\tat org.apache.ibatis.executor.CachingExecutor.update(CachingExecutor.java:76)\r\n\tat sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)\r\n\tat sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)\r\n\tat sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)\r\n\tat java.lang.reflect.Method.invoke(Method.java:497)\r\n\tat org.apache.ibatis.plugin.Invocation.proceed(Invocation.java:49)\r\n\tat com.baomidou.mybatisplus.plugins.SqlExplainInterceptor.intercept(SqlExplainInterceptor.java:87)\r\n\tat org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:61)\r\n\tat com.sun.proxy.$Proxy127.update(Unknown Source)\r\n\tat org.apache.ibatis.session.defaults.DefaultSqlSession.update(DefaultSqlSession.java:198)\r\n\tat org.apache.ibatis.session.defaults.DefaultSqlSession.insert(DefaultSqlSession.java:185)\r\n\tat sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)\r\n\tat sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)\r\n\tat sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)\r\n\tat java.lang.reflect.Method.invoke(Method.java:497)\r\n\tat org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:433)\r\n\t... 46 more\r\n",
"errorStack": "java.lang.RuntimeException: org.springframework.dao.DuplicateKeyException: \r\n### Error updating database. Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Duplicate entry '918012707846774786-981366355901940738' for key 'uk_orgsystem_id_org_id'\r\n### The error may involve boss.auth.org.mapper.OrgSystemOrgMapper.insert-Inline\r\n### The error occurred while setting parameters\r\n### SQL: INSERT INTO ou_orgsystem_org ( id, orgsystem_id, parent_id, org_id, id_path ) VALUES ( ?, ?, ?, ?, ? )\r\n### Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Duplicate entry '918012707846774786-981366355901940738' for key 'uk_orgsystem_id_org_id'\n; SQL []; Duplicate entry '918012707846774786-981366355901940738' for key 'uk_orgsystem_id_org_id'; nested exception is com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Duplicate entry '918012707846774786-981366355901940738' for key 'uk_orgsystem_id_org_id'\r\norg.springframework.dao.DuplicateKeyException: \r\n### Error updating database. Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Duplicate entry '918012707846774786-981366355901940738' for key 'uk_orgsystem_id_org_id'\r\n### The error may involve boss.auth.org.mapper.OrgSystemOrgMapper.insert-Inline\r\n### The error occurred while setting parameters\r\n### SQL: INSERT INTO ou_orgsystem_org ( id, orgsystem_id, parent_id, org_id, id_path ) VALUES ( ?, ?, ?, ?, ? )\r\n### Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Duplicate entry '918012707846774786-981366355901940738' for key 'uk_orgsystem_id_org_id'\n; SQL []; Duplicate entry '918012707846774786-981366355901940738' for key 'uk_orgsystem_id_org_id'; nested exception is com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Duplicate entry '918012707846774786-981366355901940738' for key 'uk_orgsystem_id_org_id'\r\n\tat org.springframework.jdbc.support.SQLErrorCodeSQLExceptionTranslator.doTranslate(SQLErrorCodeSQLExceptionTranslator.java:239)\r\n\tat org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:73)\r\n\tat org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:73)\r\n\tat org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:446)\r\n\tat com.sun.proxy.$Proxy81.insert(Unknown Source)\r\n\tat org.mybatis.spring.SqlSessionTemplate.insert(SqlSessionTemplate.java:278)\r\n\tat org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:57)\r\n\tat org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:59)\r\n\tat com.sun.proxy.$Proxy98.insert(Unknown Source)\r\n\tat boss.auth.org.provider.impl.OrgSystemOrgProviderImpl.save(OrgSystemOrgProviderImpl.java:50)\r\n\tat boss.auth.org.provider.impl.OrgSystemOrgProviderImpl$$FastClassBySpringCGLIB$$f4b2f8c2.invoke(<generated>)\r\n\tat org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)\r\n\tat org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:738)\r\n\tat org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)\r\n\tat org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99)\r\n\tat org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:282)\r\n\tat org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96)\r\n\tat org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)\r\n\tat org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:673)\r\n\tat boss.auth.org.provider.impl.OrgSystemOrgProviderImpl$$EnhancerBySpringCGLIB$$be8c890d.save(<generated>)\r\n\tat com.alibaba.dubbo.common.bytecode.Wrapper11.invokeMethod(Wrapper11.java)\r\n\tat com.alibaba.dubbo.rpc.proxy.javassist.JavassistProxyFactory$1.doInvoke(JavassistProxyFactory.java:46)\r\n\tat com.alibaba.dubbo.rpc.proxy.AbstractProxyInvoker.invoke(AbstractProxyInvoker.java:72)\r\n\tat com.alibaba.dubbo.rpc.protocol.InvokerWrapper.invoke(InvokerWrapper.java:53)\r\n\tat com.alibaba.dubbo.rpc.filter.ExceptionFilter.invoke(ExceptionFilter.java:64)\r\n\tat com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)\r\n\tat com.alibaba.dubbo.monitor.support.MonitorFilter.invoke(MonitorFilter.java:75)\r\n\tat com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)\r\n\tat com.alibaba.dubbo.rpc.filter.TimeoutFilter.invoke(TimeoutFilter.java:42)\r\n\tat com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)\r\n\tat com.alibaba.boot.dubbo.listener.ProviderInvokeStaticsFilter.invoke(ProviderInvokeStaticsFilter.java:30)\r\n\tat com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)\r\n\tat com.alibaba.dubbo.rpc.protocol.dubbo.filter.TraceFilter.invoke(TraceFilter.java:78)\r\n\tat com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)\r\n\tat com.alibaba.dubbo.rpc.filter.ContextFilter.invoke(ContextFilter.java:60)\r\n\tat com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)\r\n\tat com.alibaba.dubbo.rpc.filter.GenericFilter.invoke(GenericFilter.java:112)\r\n\tat com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)\r\n\tat com.alibaba.dubbo.rpc.filter.ClassLoaderFilter.invoke(ClassLoaderFilter.java:38)\r\n\tat com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)\r\n\tat com.alibaba.dubbo.rpc.filter.EchoFilter.invoke(EchoFilter.java:38)\r\n\tat com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)\r\n\tat com.alibaba.dubbo.rpc.protocol.dubbo.DubboProtocol$1.reply(DubboProtocol.java:108)\r\n\tat com.alibaba.dubbo.remoting.exchange.support.header.HeaderExchangeHandler.handleRequest(HeaderExchangeHandler.java:84)\r\n\tat com.alibaba.dubbo.remoting.exchange.support.header.HeaderExchangeHandler.received(HeaderExchangeHandler.java:170)\r\n\tat com.alibaba.dubbo.remoting.transport.DecodeHandler.received(DecodeHandler.java:52)\r\n\tat com.alibaba.dubbo.remoting.transport.dispatcher.ChannelEventRunnable.run(ChannelEventRunnable.java:82)\r\n\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)\r\n\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)\r\n\tat java.lang.Thread.run(Thread.java:745)\r\nCaused by: com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Duplicate entry '918012707846774786-981366355901940738' for key 'uk_orgsystem_id_org_id'\r\n\tat sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)\r\n\tat sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)\r\n\tat sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)\r\n\tat java.lang.reflect.Constructor.newInstance(Constructor.java:422)\r\n\tat com.mysql.jdbc.Util.handleNewInstance(Util.java:425)\r\n\tat com.mysql.jdbc.Util.getInstance(Util.java:408)\r\n\tat com.mysql.jdbc.SQLError.createSQLException(SQLError.java:935)\r\n\tat com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3973)\r\n\tat com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3909)\r\n\tat com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2527)\r\n\tat com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2680)\r\n\tat com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2487)\r\n\tat com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1858)\r\n\tat com.mysql.jdbc.PreparedStatement.execute(PreparedStatement.java:1197)\r\n\tat com.alibaba.druid.pool.DruidPooledPreparedStatement.execute(DruidPooledPreparedStatement.java:493)\r\n\tat sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)\r\n\tat sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)\r\n\tat sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)\r\n\tat java.lang.reflect.Method.invoke(Method.java:497)\r\n\tat org.apache.ibatis.logging.jdbc.PreparedStatementLogger.invoke(PreparedStatementLogger.java:59)\r\n\tat com.sun.proxy.$Proxy130.execute(Unknown Source)\r\n\tat org.apache.ibatis.executor.statement.PreparedStatementHandler.update(PreparedStatementHandler.java:46)\r\n\tat org.apache.ibatis.executor.statement.RoutingStatementHandler.update(RoutingStatementHandler.java:74)\r\n\tat sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)\r\n\tat sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)\r\n\tat sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)\r\n\tat java.lang.reflect.Method.invoke(Method.java:497)\r\n\tat org.apache.ibatis.plugin.Invocation.proceed(Invocation.java:49)\r\n\tat com.baomidou.mybatisplus.plugins.PerformanceInterceptor.intercept(PerformanceInterceptor.java:138)\r\n\tat org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:61)\r\n\tat com.sun.proxy.$Proxy128.update(Unknown Source)\r\n\tat sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)\r\n\tat sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)\r\n\tat sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)\r\n\tat java.lang.reflect.Method.invoke(Method.java:497)\r\n\tat org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:63)\r\n\tat com.sun.proxy.$Proxy128.update(Unknown Source)\r\n\tat org.apache.ibatis.executor.SimpleExecutor.doUpdate(SimpleExecutor.java:50)\r\n\tat org.apache.ibatis.executor.BaseExecutor.update(BaseExecutor.java:117)\r\n\tat org.apache.ibatis.executor.CachingExecutor.update(CachingExecutor.java:76)\r\n\tat sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)\r\n\tat sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)\r\n\tat sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)\r\n\tat java.lang.reflect.Method.invoke(Method.java:497)\r\n\tat org.apache.ibatis.plugin.Invocation.proceed(Invocation.java:49)\r\n\tat com.baomidou.mybatisplus.plugins.SqlExplainInterceptor.intercept(SqlExplainInterceptor.java:87)\r\n\tat org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:61)\r\n\tat com.sun.proxy.$Proxy127.update(Unknown Source)\r\n\tat org.apache.ibatis.session.defaults.DefaultSqlSession.update(DefaultSqlSession.java:198)\r\n\tat org.apache.ibatis.session.defaults.DefaultSqlSession.insert(DefaultSqlSession.java:185)\r\n\tat sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)\r\n\tat sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)\r\n\tat sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)\r\n\tat java.lang.reflect.Method.invoke(Method.java:497)\r\n\tat org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:433)\r\n\t... 46 more\r\n\r\n\tat com.alibaba.dubbo.rpc.filter.ExceptionFilter.invoke(ExceptionFilter.java:108)\r\n\tat com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)\r\n\tat com.alibaba.dubbo.monitor.support.MonitorFilter.invoke(MonitorFilter.java:75)\r\n\tat com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)\r\n\tat com.alibaba.dubbo.rpc.filter.TimeoutFilter.invoke(TimeoutFilter.java:42)\r\n\tat com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)\r\n\tat com.alibaba.boot.dubbo.listener.ProviderInvokeStaticsFilter.invoke(ProviderInvokeStaticsFilter.java:30)\r\n\tat com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)\r\n\tat com.alibaba.dubbo.rpc.protocol.dubbo.filter.TraceFilter.invoke(TraceFilter.java:78)\r\n\tat com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)\r\n\tat com.alibaba.dubbo.rpc.filter.ContextFilter.invoke(ContextFilter.java:60)\r\n\tat com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)\r\n\tat com.alibaba.dubbo.rpc.filter.GenericFilter.invoke(GenericFilter.java:112)\r\n\tat com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)\r\n\tat com.alibaba.dubbo.rpc.filter.ClassLoaderFilter.invoke(ClassLoaderFilter.java:38)\r\n\tat com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)\r\n\tat com.alibaba.dubbo.rpc.filter.EchoFilter.invoke(EchoFilter.java:38)\r\n\tat com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)\r\n\tat com.alibaba.dubbo.rpc.protocol.dubbo.DubboProtocol$1.reply(DubboProtocol.java:108)\r\n\tat com.alibaba.dubbo.remoting.exchange.support.header.HeaderExchangeHandler.handleRequest(HeaderExchangeHandler.java:84)\r\n\tat com.alibaba.dubbo.remoting.exchange.support.header.HeaderExchangeHandler.received(HeaderExchangeHandler.java:170)\r\n\tat com.alibaba.dubbo.remoting.transport.DecodeHandler.received(DecodeHandler.java:52)\r\n\tat com.alibaba.dubbo.remoting.transport.dispatcher.ChannelEventRunnable.run(ChannelEventRunnable.java:82)\r\n\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)\r\n\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)\r\n\tat java.lang.Thread.run(Thread.java:745)\r\n",
解决办法：
1.去掉唯一索引，但是这样是可以解决这个异常，但是那就失去了唯一约束，索引不建议。
2.在新增前，先根据唯一索引包含的字段，查询一下是否已经有存在的数据，如果有，返回业务异常提示比较好。（推荐这种方式）.