问题：
运行dao findAll（）时org.springframework.dao.InvalidDataAccessResourceUsageException
勾俊
我正在使用Spring Hibernate MySQL进行Web应用程序开发。但是在过去的一周里，我总是得到“嵌套例外是
org.springframework.dao.InvalidDataAccessResourceUsage异常："
尝试运行orgdao.findAll（）获取所有组织时异常。即使我评论了所有的关系属性，但仍然没有运气。
以下是代码：
@Entity
@Table(name = "tb_org")
public class OrgEntity extends CommonEntity {
private static final long serialVersionUID = 1L;
@ManyToOne(fetch = FetchType.LAZY)
@JoinColumn(name="parent_id")
private OrgEntity parent;
@Length(min=1, max=255)
private String parentIds;
/*
@ManyToOne(fetch = FetchType.LAZY)
@JoinColumn(name="area_id")
private Area area;
*/
@Length(min=0, max=100)
private String code;
@Length(min=1, max=100)
private String name;
private Integer type;
private Integer grade;
@Length(min=0, max=255)
private String address;
@Length(min=0, max=100)
private String zipCode;
@Length(min=0, max=100)
private String master;
@Length(min=0, max=200)
private String phone;
@Length(min=0, max=200)
private String fax;
@Length(min=0, max=200)
private String email;
/*
@OneToMany(mappedBy = "orgEntity", fetch=FetchType.LAZY)
@JsonIgnore
private List<UserEntity> userList = Lists.newArrayList();
*/
@OneToMany(mappedBy = "parent", fetch=FetchType.LAZY)
@JsonIgnore
private List<OrgEntity> childList = Lists.newArrayList();
public OrgEntity getParent() {
return parent;
}
public void setParent(OrgEntity parent) {
this.parent = parent;
}
public String getParentIds() {
return parentIds;
}
public void setParentIds(String parentIds) {
this.parentIds = parentIds;
}
public String getCode() {
return code;
}
public void setCode(String code) {
this.code = code;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public Integer getType() {
return type;
}
public void setType(Integer type) {
this.type = type;
}
public Integer getGrade() {
return grade;
}
public void setGrade(Integer grade) {
this.grade = grade;
}
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
}
public String getZipCode() {
return zipCode;
}
public void setZipCode(String zipCode) {
this.zipCode = zipCode;
}
public String getMaster() {
return master;
}
public void setMaster(String master) {
this.master = master;
}
public String getPhone() {
return phone;
}
public void setPhone(String phone) {
this.phone = phone;
}
public String getFax() {
return fax;
}
public void setFax(String fax) {
this.fax = fax;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
/*
public List<UserEntity> getUserList() {
return userList;
}
public void setUserList(List<UserEntity> userList) {
this.userList = userList;
}
*/
public List<OrgEntity> getChildList() {
return childList;
}
public void setChildList(List<OrgEntity> childList) {
this.childList = childList;
}
public static long getSerialversionuid() {
return serialVersionUID;
}
}
@MappedSuperclass
public class CommonEntity extends GenericEntity {
private static final long serialVersionUID = 1L;
/**
* the createUser
*/
/*
@ManyToOne(cascade={CascadeType.REFRESH}, fetch=FetchType.LAZY)
@JoinColumn(name="createUserId")
@JsonIgnoreProperties( value={"hibernateLazyInitializer","handler"})
private UserEntity createUser;
*/
/**
* The createDate.
*/
@Column(name="createDate")
@CreatedDate
private Date createDate;
/**
* The lastModifyUser.
*/
/*
@ManyToOne(cascade={CascadeType.REFRESH},fetch=FetchType.LAZY)
@JoinColumn(name="lastModifyUser_id")
@JsonIgnoreProperties( value={"hibernateLazyInitializer","handler"})
private UserEntity lastModifyUser;
*/
/**
* The lastModifyDate.
*/
@Column(name="lastModifyDate")
@LastModifiedDate
private Date lastModifyDate;
/*
@PrePersist
public void preSave() {
if((this.getId() == null) && (this.createUser == null)) {
this.createDate = new Date();
this.lastModifyDate = new Date();
//this.createUser = UserUtil.getCurrentUser();
//this.lastModifyUser = UserUtil.getCurrentUser();
} else {
this.lastModifyDate = new Date();
//this.lastModifyUser = UserUtil.getCurrentUser();
}
}
public UserEntity getCreateUser() {
return createUser;
}
public void setCreateUser(UserEntity createUser) {
this.createUser = createUser;
}
*/
public Date getCreateDate() {
return createDate;
}
public void setCreateDate(Date createDate) {
this.createDate = createDate;
}
/*
public UserEntity getLastModifyUser() {
return lastModifyUser;
}
public void setLastModifyUser(UserEntity lastModifyUser) {
this.lastModifyUser = lastModifyUser;
}
*/
public Date getLastModifyDate() {
return lastModifyDate;
}
public void setLastModifyDate(Date lastModifyDate) {
this.lastModifyDate = lastModifyDate;
}
public static long getSerialversionuid() {
return serialVersionUID;
}
}
以下日志供参考：
22:39:00.737 DEBUG org.hibernate.engine.jdbc.spi.SqlExceptionHelper 124 logExceptions - could not extract ResultSet [n/a] com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Query was empty
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.8.0_131]
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[?:1.8.0_131]
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:1.8.0_131]
at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[?:1.8.0_131]
at com.mysql.jdbc.Util.handleNewInstance(Util.java:377) ~[mysql-connector-java-5.1.34.jar:5.1.34]
at com.mysql.jdbc.Util.getInstance(Util.java:360) ~[mysql-connector-java-5.1.34.jar:5.1.34]
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:978) ~[mysql-connector-java-5.1.34.jar:5.1.34]
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3887) ~[mysql-connector-java-5.1.34.jar:5.1.34]
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3823) ~[mysql-connector-java-5.1.34.jar:5.1.34]
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2435) ~[mysql-connector-java-5.1.34.jar:5.1.34]
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2582) ~[mysql-connector-java-5.1.34.jar:5.1.34]
at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2530) ~[mysql-connector-java-5.1.34.jar:5.1.34]
at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1907) ~[mysql-connector-java-5.1.34.jar:5.1.34]
at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:2030) ~[mysql-connector-java-5.1.34.jar:5.1.34]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_131]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_131]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_131]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_131]
at org.apache.tomcat.jdbc.pool.StatementFacade$StatementProxy.invoke(StatementFacade.java:114) ~[tomcat-jdbc.jar:?]
at com.sun.proxy.$Proxy98.executeQuery(Unknown Source) ~[?:?]
at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:71) [hibernate-core-5.2.10.Final.jar:5.2.10.Final]
at org.hibernate.loader.Loader.getResultSet(Loader.java:2123) [hibernate-core-5.2.10.Final.jar:5.2.10.Final]
at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1911) [hibernate-core-5.2.10.Final.jar:5.2.10.Final]
at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1887) [hibernate-core-5.2.10.Final.jar:5.2.10.Final]
at org.hibernate.loader.Loader.doQuery(Loader.java:932) [hibernate-core-5.2.10.Final.jar:5.2.10.Final]
at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:349) [hibernate-core-5.2.10.Final.jar:5.2.10.Final]
at org.hibernate.loader.Loader.doList(Loader.java:2615) [hibernate-core-5.2.10.Final.jar:5.2.10.Final]
at org.hibernate.loader.Loader.doList(Loader.java:2598) [hibernate-core-5.2.10.Final.jar:5.2.10.Final]
at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2430) [hibernate-core-5.2.10.Final.jar:5.2.10.Final]
at org.hibernate.loader.Loader.list(Loader.java:2425) [hibernate-core-5.2.10.Final.jar:5.2.10.Final]
at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:502) [hibernate-core-5.2.10.Final.jar:5.2.10.Final]
at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:379) [hibernate-core-5.2.10.Final.jar:5.2.10.Final]
at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) [hibernate-core-5.2.10.Final.jar:5.2.10.Final]
at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1488) [hibernate-core-5.2.10.Final.jar:5.2.10.Final]
at org.hibernate.query.internal.AbstractProducedQuery.doList(AbstractProducedQuery.java:1445) [hibernate-core-5.2.10.Final.jar:5.2.10.Final]
at org.hibernate.query.internal.AbstractProducedQuery.list(AbstractProducedQuery.java:1414) [hibernate-core-5.2.10.Final.jar:5.2.10.Final]
at org.hibernate.query.Query.getResultList(Query.java:146) [hibernate-core-5.2.10.Final.jar:5.2.10.Final]
at org.hibernate.query.criteria.internal.compile.CriteriaQueryTypeQueryAdapter.getResultList(CriteriaQueryTypeQueryAdapter.java:72) [hibernate-core-5.2.10.Final.jar:5.2.10.Final]
at org.springframework.data.jpa.repository.support.SimpleJpaRepository.findAll(SimpleJpaRepository.java:329) [spring-data-jpa-1.11.4.RELEASE.jar:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_131]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_131]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_131]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_131]
at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.executeMethodOn(RepositoryFactorySupport.java:504) [spring-data-commons-1.13.4.RELEASE.jar:?]
at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.doInvoke(RepositoryFactorySupport.java:489) [spring-data-commons-1.13.4.RELEASE.jar:?]
at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.invoke(RepositoryFactorySupport.java:461) [spring-data-commons-1.13.4.RELEASE.jar:?]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) [spring-aop-4.3.9.RELEASE.jar:4.3.9.RELEASE]
at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:56) [spring-data-commons-1.13.4.RELEASE.jar:?]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) [spring-aop-4.3.9.RELEASE.jar:4.3.9.RELEASE]
at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99) [spring-tx-4.3.9.RELEASE.jar:4.3.9.RELEASE]
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:282) [spring-tx-4.3.9.RELEASE.jar:4.3.9.RELEASE]
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96) [spring-tx-4.3.9.RELEASE.jar:4.3.9.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) [spring-aop-4.3.9.RELEASE.jar:4.3.9.RELEASE]
at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:136) [spring-tx-4.3.9.RELEASE.jar:4.3.9.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) [spring-aop-4.3.9.RELEASE.jar:4.3.9.RELEASE]
at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:133) [spring-data-jpa-1.11.4.RELEASE.jar:?]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) [spring-aop-4.3.9.RELEASE.jar:4.3.9.RELEASE]
at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92) [spring-aop-4.3.9.RELEASE.jar:4.3.9.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) [spring-aop-4.3.9.RELEASE.jar:4.3.9.RELEASE]
at org.springframework.data.repository.core.support.SurroundingTransactionDetectorMethodInterceptor.invoke(SurroundingTransactionDetectorMethodInterceptor.java:57) [spring-data-commons-1.13.4.RELEASE.jar:?]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) [spring-aop-4.3.9.RELEASE.jar:4.3.9.RELEASE]
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:213) [spring-aop-4.3.9.RELEASE.jar:4.3.9.RELEASE]
at com.sun.proxy.$Proxy166.findAll(Unknown Source) [?:?]
at com.ccgsbj.renewable.base.manager.OrgManager.getAllOrgs(OrgManager.java:82) [classes/:?]
at com.ccgsbj.renewable.base.controller.OrgController.getAllOrgs(OrgController.java:31) [classes/:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_131]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_131]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_131]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_131]
at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205) [spring-web-4.3.9.RELEASE.jar:4.3.9.RELEASE]
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:133) [spring-web-4.3.9.RELEASE.jar:4.3.9.RELEASE]
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:97) [spring-webmvc-4.3.9.RELEASE.jar:4.3.9.RELEASE]
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827) [spring-webmvc-4.3.9.RELEASE.jar:4.3.9.RELEASE]
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738) [spring-webmvc-4.3.9.RELEASE.jar:4.3.9.RELEASE]
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) [spring-webmvc-4.3.9.RELEASE.jar:4.3.9.RELEASE]
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967) [spring-webmvc-4.3.9.RELEASE.jar:4.3.9.RELEASE]
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901) [spring-webmvc-4.3.9.RELEASE.jar:4.3.9.RELEASE]
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970) [spring-webmvc-4.3.9.RELEASE.jar:4.3.9.RELEASE]
at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861) [spring-webmvc-4.3.9.RELEASE.jar:4.3.9.RELEASE]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:622) [servlet-api.jar:?]
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846) [spring-webmvc-4.3.9.RELEASE.jar:4.3.9.RELEASE]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729) [servlet-api.jar:?]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292) [catalina.jar:8.0.45]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207) [catalina.jar:8.0.45]
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-websocket.jar:8.0.45]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240) [catalina.jar:8.0.45]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207) [catalina.jar:8.0.45]
at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:61) [shiro-web-1.4.0.jar:1.4.0]
at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108) [shiro-web-1.4.0.jar:1.4.0]
at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137) [shiro-web-1.4.0.jar:1.4.0]
at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) [shiro-web-1.4.0.jar:1.4.0]
at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66) [shiro-web-1.4.0.jar:1.4.0]
at org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449) [shiro-web-1.4.0.jar:1.4.0]
at org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365) [shiro-web-1.4.0.jar:1.4.0]
at org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90) [shiro-core-1.4.0.jar:1.4.0]
at org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83) [shiro-core-1.4.0.jar:1.4.0]
at org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:387) [shiro-core-1.4.0.jar:1.4.0]
at org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362) [shiro-web-1.4.0.jar:1.4.0]
at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) [shiro-web-1.4.0.jar:1.4.0]
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346) [spring-web-4.3.9.RELEASE.jar:4.3.9.RELEASE]
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262) [spring-web-4.3.9.RELEASE.jar:4.3.9.RELEASE]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240) [catalina.jar:8.0.45]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207) [catalina.jar:8.0.45]
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197) [spring-web-4.3.9.RELEASE.jar:4.3.9.RELEASE]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.3.9.RELEASE.jar:4.3.9.RELEASE]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240) [catalina.jar:8.0.45]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207) [catalina.jar:8.0.45]
at org.springframework.orm.jpa.support.OpenEntityManagerInViewFilter.doFilterInternal(OpenEntityManagerInViewFilter.java:178) [spring-orm-4.3.9.RELEASE.jar:4.3.9.RELEASE]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.3.9.RELEASE.jar:4.3.9.RELEASE]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240) [catalina.jar:8.0.45]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207) [catalina.jar:8.0.45]
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212) [catalina.jar:8.0.45]
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:94) [catalina.jar:8.0.45]
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:504) [catalina.jar:8.0.45]
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141) [catalina.jar:8.0.45]
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [catalina.jar:8.0.45]
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:620) [catalina.jar:8.0.45]
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) [catalina.jar:8.0.45]
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:502) [catalina.jar:8.0.45]
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1132) [tomcat-coyote.jar:8.0.45]
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:684) [tomcat-coyote.jar:8.0.45]
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1533) [tomcat-coyote.jar:8.0.45]
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1489) [tomcat-coyote.jar:8.0.45]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_131]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_131]
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:8.0.45]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_131]
共有1个答案
司马飞
您对资源的访问无效，请阅读类InvalidDataAccessResourceUsageExc0019：
错误使用数据访问资源时引发的异常的根。例如，在使用RDBMS时指定错误的SQL时抛出。特定于资源的子类由具体的数据访问包提供。
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我正在通过“请求”模块发送一个简单的“post”请求。当直接通过linux终端执行时，它工作正常。然而，当我通过crontab进行设置时，日志会指示错误。 如果我通过终端执行以下操作，它工作正常 '/usr/bin/python3.6/location/sa/tb/uc/md/se/sea。py' 如果按如下方式设置crontab，则会出现错误。 /usr/bin/python3.6/locati
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为什么有运行时配置？ 我们通过 .umirc.js 做编译时的配置，这能覆盖大量场景，但有一些却是编译时很难触及的。 比如： 在出错时显示个 message 提示用户 在加载和路由切换时显示个 loading 页面载入完成时请求后端，根据响应动态修改路由 这些在编译时就很难处理，或者不能处理了。 配置方式 umi 约定 src 目录下的 app.js 为运行时的配置文件。 + src - ap
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运行时配置和配置的区别是他跑在浏览器端，基于此，我们可以在这里写函数、import 浏览器端依赖等等，注意不要引入 node 依赖。 配置方式 约定 src/app.js 为运行时配置。运行时配置的类型有三种，具体查看applypluginstype。 配置项 beforeRender beforeRender(lastOpts) 在渲染之前执行，执行action过程中显示 loading 配置的
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AST或字节码的解释过程只是在代码过程层面，不足以成为一个完整的运行，因为程序计算是需要数据和存储空间的，光有代码跑不起来，需要运行时环境，至少要有数据，实际情况中还需要一些其他信息。为讨论方便，在解释器中将运行时环境抽象为前述的env对象，通过一些接口来实现存取，这里先只讨论单执行序列，不考虑并发 env在前面的分析中总共就涉及了三个接口，get，set和set_exception（当然还应该有
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我在上面有一个问题：我使用了提供的答案，但仍然击中了一个对象错误。你能看到我错过了什么吗？我在“cash_sheet.range（”C8“）.pastespecial xlpastevalues”处找到了错误