Java 如何解决Can'；t创建/写入文件'/var/tmp/#sql_85b_0.MAI'；错误？

在服务器上部署spring引导war文件时，我们面临以下错误

Caused by: java.sql.SQLException: Can't create/write to file '/var/tmp/#sql_85b_0.MAI' (Errcode: 2) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:129) ~[mysql-connector-java-8.0.18.jar:8.0.18] at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:97) ~[mysql-connector-java-8.0.18.jar:8.0.18] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:122) ~[mysql-connector-java-8.0.18.jar:8.0.18] at com.mysql.cj.jdbc.StatementImpl.executeQuery(StatementImpl.java:1200) ~[mysql-connector-java-8.0.18.jar:8.0.18] at com.mysql.cj.jdbc.DatabaseMetaData$2.forEach(DatabaseMetaData.java:2124) ~[mysql-connector-java-8.0.18.jar:8.0.18] at com.mysql.cj.jdbc.DatabaseMetaData$2.forEach(DatabaseMetaData.java:2053) ~[mysql-connector-java-8.0.18.jar:8.0.18] at com.mysql.cj.jdbc.IterateBlock.doForAll(IterateBlock.java:56) ~[mysql-connector-java-8.0.18.jar:8.0.18] at com.mysql.cj.jdbc.DatabaseMetaData.getColumns(DatabaseMetaData.java:2229) ~[mysql-connector-java-8.0.18.jar:8.0.18] at com.zaxxer.hikari.pool.ProxyDatabaseMetaData.getColumns(ProxyDatabaseMetaData.java:90) ~[HikariCP-3.4.1.jar:na] at com.zaxxer.hikari.pool.HikariProxyDatabaseMetaData.getColumns(HikariProxyDatabaseMetaData.java) ~[HikariCP-3.4.1.jar:na] at org.hibernate.tool.schema.extract.internal.InformationExtractorJdbcDatabaseMetaDataImpl.populateTablesWithColumns(InformationExtractorJdbcDatabaseMetaDataImpl.java:354) ~[hibernate-core-5.4.6.Final.jar:5.4.6.Final] ... 46 common frames omitted 01-Jan-2020 16:39:47.746 SEVERE [localhost-startStop-2] org.apache.catalina.core.ContainerBase.addChildInternal ContainerBase.addChild: start: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/daily-report-code-1.0]] at org.apache.catalina.util.LifecycleBase.handleSubClassException(LifecycleBase.java:440) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:198) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:743) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:719) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:705) at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:970) at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:1841) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Invocation of init method failed; nested exception is javax.persistence.PersistenceException: [PersistenceUnit: default] Unable to build Hibernate SessionFactory; nested exception is org.hibernate.exception.GenericJDBCException: Error accessing tables metadata at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1803) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:595) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:517) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:323) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:321) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1108) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:868) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:550) at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141) at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:747) at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) at org.springframework.boot.SpringApplication.run(SpringApplication.java:315) at org.springframework.boot.web.servlet.support.SpringBootServletInitializer.run(SpringBootServletInitializer.java:152) at org.springframework.boot.web.servlet.support.SpringBootServletInitializer.createRootApplicationContext(SpringBootServletInitializer.java:132) at org.springframework.boot.web.servlet.support.SpringBootServletInitializer.onStartup(SpringBootServletInitializer.java:92) at org.springframework.web.SpringServletContainerInitializer.onStartup(SpringServletContainerInitializer.java:172) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5154) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ... 10 more Caused by: javax.persistence.PersistenceException: [PersistenceUnit: default] Unable to build Hibernate SessionFactory; nested exception is org.hibernate.exception.GenericJDBCException: Error accessing tables metadata at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.buildNativeEntityManagerFactory(AbstractEntityManagerFactoryBean.java:403) at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.afterPropertiesSet(AbstractEntityManagerFactoryBean.java:378) at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.afterPropertiesSet(LocalContainerEntityManagerFactoryBean.java:341) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1862) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1799) ... 29 more Caused by: org.hibernate.exception.GenericJDBCException: Error accessing tables metadata at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:47) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:113) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:99) at org.hibernate.tool.schema.extract.internal.InformationExtractorJdbcDatabaseMetaDataImpl.convertSQLException(InformationExtractorJdbcDatabaseMetaDataImpl.java:102) at org.hibernate.tool.schema.extract.internal.InformationExtractorJdbcDatabaseMetaDataImpl.populateTablesWithColumns(InformationExtractorJdbcDatabaseMetaDataImpl.java:387) at org.hibernate.tool.schema.extract.internal.InformationExtractorJdbcDatabaseMetaDataImpl.getTables(InformationExtractorJdbcDatabaseMetaDataImpl.java:341) at org.hibernate.tool.schema.extract.internal.DatabaseInformationImpl.getTablesInformation(DatabaseInformationImpl.java:120) at org.hibernate.tool.schema.internal.GroupedSchemaMigratorImpl.performTablesMigration(GroupedSchemaMigratorImpl.java:65) at org.hibernate.tool.schema.internal.AbstractSchemaMigrator.performMigration(AbstractSchemaMigrator.java:207) at org.hibernate.tool.schema.internal.AbstractSchemaMigrator.doMigration(AbstractSchemaMigrator.java:114) at org.hibernate.tool.schema.spi.SchemaManagementToolCoordinator.performDatabaseAction(SchemaManagementToolCoordinator.java:184) at org.hibernate.tool.schema.spi.SchemaManagementToolCoordinator.process(SchemaManagementToolCoordinator.java:73) at org.hibernate.internal.SessionFactoryImpl.(SessionFactoryImpl.java:320) at org.hibernate.boot.internal.SessionFactoryBuilderImpl.build(SessionFactoryBuilderImpl.java:462) at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:935) at org.springframework.orm.jpa.vendor.SpringHibernateJpaPersistenceProvider.createContainerEntityManagerFactory(SpringHibernateJpaPersistenceProvider.java:58) at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.createNativeEntityManagerFactory(LocalContainerEntityManagerFactoryBean.java:365) at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.buildNativeEntityManagerFactory(AbstractEntityManagerFactoryBean.java:391) ... 33 more 原因：java.sql.SQLException:无法创建/写入文件'/var/tmp/#sql_85b_0.MAI'（错误代码：2） 在com.mysql.cj.jdbc.exceptions.SQLError.createSQLException（SQLError.java:129）~[mysql-connector-java-8.0.18.jar:8.0.18] 在com.mysql.cj.jdbc.exceptions.SQLError.createSQLException（SQLError.java:97）~[mysql-connector-java-8.0.18.jar:8.0.18] 在com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException（SQLExceptionsMapping.java:122）~[mysql-connector-java-8.0.18.jar:8.0.18] 在com.mysql.cj.jdbc.StatementImpl.executeQuery（StatementImpl.java:1200）~[mysql-connector-java-8.0.18.jar:8.0.18] 在com.mysql.cj.jdbc.DatabaseMetaData$2.forEach（DatabaseMetaData.java:2124）~[mysql-connector-java-8.0.18.jar:8.0.18] 在com.mysql.cj.jdbc.DatabaseMetaData$2.forEach（DatabaseMetaData.java:2053）~[mysql-connector-java-8.0.18.jar:8.0.18] 在com.mysql.cj.jdbc.IterateBlock.doForAll（IterateBlock.java:56）~[mysql-connector-java-8.0.18.jar:8.0.18] 在com.mysql.cj.jdbc.DatabaseMetaData.getColumns（DatabaseMetaData.java:2229）~[mysql-connector-java-8.0.18.jar:8.0.18] 在com.zaxxer.hikari.pool.ProxyDatabaseMetaData.getColumns（ProxyDatabaseMetaData.java:90）~[HikariCP-3.4.1.jar:na] 在com.zaxxer.hikari.pool.HikariProxyDatabaseMetaData.getColumns（HikariProxyDatabaseMetaData.java）~[HikariCP-3.4.1.jar:na] 在org.hibernate.tool.schema.extract.internal.InformationExtractorJdbcDatabaseMetaDataImpl.populateTablesWithColumns（InformationExtractorJdbcDatabaseMetaDataImpl.java:354）~[hibernate-core-5.4.6.Final.jar:5.4.6.Final] ... 省略46个公共框架 01-Jan-2020 16:39:47.746严重[localhost-startStop-2]org.apache.catalina.core.ContainerBase.addChildInternal ContainerBase.addChild:开始： org.apache.catalina.LifecycleException:未能启动组件[StandardEngine[catalina].StandardHost[localhost].StandardContext[/daily-report-code-1.0]] 位于org.apache.catalina.util.LifecycleBase.handleSubClassException（LifecycleBase.java:440） 位于org.apache.catalina.util.LifecycleBase.start（LifecycleBase.java:198） 位于org.apache.catalina.core.ContainerBase.addChildInternal（ContainerBase.java:743） 位于org.apache.catalina.core.ContainerBase.addChild（ContainerBase.java:719） 位于org.apache.catalina.core.StandardHost.addChild（StandardHost.java:705） 位于org.apache.catalina.startup.HostConfig.deployWAR（HostConfig.java:970） 位于org.apache.catalina.startup.HostConfig$DeployWar.run（HostConfig.java:1841） 位于java.util.concurrent.Executors$RunnableAdapter.call（Executors.java:511） 在java.util.concurrent.FutureTask.run（FutureTask.java:266）处 位于java.util.concurrent.ThreadPoolExecutor.runWorker（ThreadPoolExecutor.java:1149） 位于java.util.concurrent.ThreadPoolExecutor$Worker.run（ThreadPoolExecutor.java:624） 运行（Thread.java:748） 原因：org.springframework.beans.factory.BeanCreationException:创建名为“entityManagerFactory”的bean时出错，该bean在类路径资源[org/springframework/boot/autoconfigure/orm/jpa/hibernatejpacConfiguration.class]中定义：初始化方法调用失败；嵌套异常为javax.persistence.PersistenceException:[PersistenceUnit:default]无法构建Hibernate SessionFactory；嵌套异常为org.hibernate.exception.genericjdbception:访问表元数据时出错 位于org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean（AbstractAutowireCapableBeanFactory.java:1803） 位于org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean（AbstractAutowireCapableBeanFactory.java:595） 位于org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean（AbstractAutowireCapableBeanFactory.java:517） 位于org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0（AbstractBeanFactory.java:323） 位于org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton（DefaultSingletonBeanRegistry.java:222） 位于org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean（AbstractBeanFactory.java:321） 位于org.springframework.beans.factory.support.AbstractBeanFactory.getBean（AbstractBeanFactory.java:202） 位于org.springframework.context.support.AbstractApplicationContext.getBean（AbstractApplicationContext.java:1108） 位于org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization（AbstractApplicationContext.java:868） 位于org.springframework.context.support.AbstractApplicationContext.refresh（AbstractApplicationContext.java:550） 位于org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh（ServletWebServerApplicationContext.java:141） 位于org.springframework.boot.SpringApplication.refresh（SpringApplication.java:747） 位于org.springframework.boot.SpringApplication.refreshContext（SpringApplication.java:397） 位于org.springframework.boot.SpringApplication.run（SpringApplication.java:315） 位于org.springframework.boot.web.servlet.support.SpringBootServletInitializer.run（SpringBootServletInitializer.java:152） 位于org.springframework.boot.web.servlet.support.SpringBootServletInitializer.createRootApplicationContext（SpringBootServl spring.datasource.url = jdbc:mysql://some-server-ip:3306/daily_report_db spring.datasource.username=root spring.datasource.password=root server.servlet.contextPath=/dailyreportcode spring.datasource.driver-class-name = com.mysql.cj.jdbc.Driver spring.datasource.hibernate.dialect=org.hibernate.dialect.MySQL5InnoDBDialect # Hibernate ddl auto (create, create-drop, validate, update) spring.jpa.hibernate.ddl-auto=update spring.jpa.show-sql=false spring.jpa.generate-ddl=true [mysqld] tmpdir=/tmp mkdir tmp1 chown mysql:mysql /tmp1 tmpdir=/tmp1 service mariadb restart