我正在尝试从数据库中获取数据。我收到以下错误。
[Request processing failed; nested exception is org.hibernate.exception.GenericJDBCException: An error occurred while converting the nvarchar value to JDBC data type INTEGER.] with root cause
java.lang.NumberFormatException: For input string: "XX"
我知道它正在尝试将我的字符串转换为整数。但我不明白为什么会这样做,因为我的数据类型只是字符串。
我的代码如下:
模型:
package com.a.spring.models;
import java.util.Date;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.OneToOne;
import javax.persistence.Table;
@Entity
@Table(name="CapacityConstraint")
public class CapacityConstraint {
private int DocEntry;
private String OpCode;
private String RsrcCd;
private String Type;
private Operation operation;
@Id
@Column(name="DocEntry")
@GeneratedValue(strategy = GenerationType.AUTO)
public int getDocEntry() {
return DocEntry;
}
public void setDocEntry(int DocEntry) {
this.DocEntry = DocEntry;
}
@Column(name="OpCode")
public String getOpCode() {
return OpCode;
}
public void setOpCode(String opCode) {
OpCode = opCode;
}
@Column(name="RsrcCd")
public String getRsrcCd() {
return RsrcCd;
}
public void setRsrcCd(String rsrcCd) {
RsrcCd = rsrcCd;
}
@Column(name="Type")
public String getType() {
return Type;
}
public void setType(String type) {
Type = type;
}
@OneToOne
@JoinColumn(name = "OpCode", nullable = false, insertable = false, updatable = false)
public Operation getOperation() {
return operation;
}
public void setOperation(Operation operation) {
this.operation = operation;
}
}
操作模式:
@Entity
@Table(name="[@IS_OPRMASTER]")
public class Operation {
private int docEntry;
private String OpCode;
private String OpName;
@Id
@Column(name="DocEntry")
public int getDocEntry() {
return docEntry;
}
public void setDocEntry(int docEntry) {
this.docEntry = docEntry;
}
@Column(name="U_OpCode")
public String getOpCode() {
return OpCode;
}
public void setOpCode(String opCode) {
OpCode = opCode;
}
@Column(name="U_OpName")
public String getOpName() {
return OpName;
}
public void setOpName(String opName) {
OpName = opName;
}
}
获取数据的功能:
@Override
public List<CapacityConstraint> getList() {
Session session = sessionFactory.getCurrentSession();
Query query= session.createSQLQuery("SELECT * FROM CapacityConstraint order by docEntry").addEntity(CapacityConstraint.class);
List <CapacityConstraint> d=query.list();
return d;
}
表capacityconstraint
CREATE TABLE [dbo].[CapacityConstraint](
[DocEntry] [numeric](18, 0) IDENTITY(1,1) NOT NULL,
[OpCode] [nvarchar](50) NULL,
[RsrcCd] [nvarchar](50) NULL,
[Type] [nvarchar](50) NULL,
CONSTRAINT [PK_CapacityConstraint] PRIMARY KEY CLUSTERED
(
[DocEntry] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]
表格操作
CREATE TABLE [dbo].[@IS_OPRMASTER](
[DocEntry] [int] NOT NULL,
[U_OpCode] [nvarchar](20) NULL,
[U_OpName] [nvarchar](100) NULL,
CONSTRAINT [KIS_OPRMASTER_PR] PRIMARY KEY CLUSTERED
(
[DocEntry] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]
堆栈追踪:
Aug 04, 2016 10:52:36 AM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet [kendo] in context with path [/GanttView] threw exception [Request processing failed; nested exception is org.hibernate.exception.GenericJDBCException: An error occurred while converting the nvarchar value to JDBC data type INTEGER.] with root cause
java.lang.NumberFormatException: For input string: "PTHP"
at java.lang.NumberFormatException.forInputString(Unknown Source)
at java.lang.Integer.parseInt(Unknown Source)
at java.lang.Integer.valueOf(Unknown Source)
at com.microsoft.sqlserver.jdbc.DDC.convertStringToObject(DDC.java:291)
at com.microsoft.sqlserver.jdbc.DDC.convertStreamToObject(DDC.java:419)
at com.microsoft.sqlserver.jdbc.ServerDTVImpl.getValue(dtv.java:2007)
at com.microsoft.sqlserver.jdbc.DTV.getValue(dtv.java:175)
at com.microsoft.sqlserver.jdbc.Column.getValue(Column.java:113)
at com.microsoft.sqlserver.jdbc.SQLServerResultSet.getValue(SQLServerResultSet.java:1982)
at com.microsoft.sqlserver.jdbc.SQLServerResultSet.getValue(SQLServerResultSet.java:1967)
at com.microsoft.sqlserver.jdbc.SQLServerResultSet.getInt(SQLServerResultSet.java:2219)
at org.apache.commons.dbcp.DelegatingResultSet.getInt(DelegatingResultSet.java:220)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.hibernate.engine.jdbc.internal.proxy.AbstractResultSetProxyHandler.continueInvocation(AbstractResultSetProxyHandler.java:104)
at org.hibernate.engine.jdbc.internal.proxy.AbstractProxyHandler.invoke(AbstractProxyHandler.java:81)
at com.sun.proxy.$Proxy44.getInt(Unknown Source)
at org.hibernate.type.descriptor.sql.IntegerTypeDescriptor$2.doExtract(IntegerTypeDescriptor.java:66)
at org.hibernate.type.descriptor.sql.BasicExtractor.extract(BasicExtractor.java:65)
at org.hibernate.type.AbstractStandardBasicType.nullSafeGet(AbstractStandardBasicType.java:269)
at org.hibernate.type.AbstractStandardBasicType.nullSafeGet(AbstractStandardBasicType.java:265)
at org.hibernate.type.AbstractStandardBasicType.nullSafeGet(AbstractStandardBasicType.java:238)
at org.hibernate.type.ManyToOneType.hydrate(ManyToOneType.java:157)
at org.hibernate.persister.entity.AbstractEntityPersister.hydrate(AbstractEntityPersister.java:2807)
at org.hibernate.loader.Loader.loadFromResultSet(Loader.java:1545)
at org.hibernate.loader.Loader.instanceNotYetLoaded(Loader.java:1477)
at org.hibernate.loader.Loader.getRow(Loader.java:1377)
at org.hibernate.loader.Loader.getRowFromResultSet(Loader.java:644)
at org.hibernate.loader.Loader.doQuery(Loader.java:854)
at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:293)
at org.hibernate.loader.Loader.doList(Loader.java:2382)
at org.hibernate.loader.Loader.doList(Loader.java:2368)
at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2198)
at org.hibernate.loader.Loader.list(Loader.java:2193)
at org.hibernate.loader.custom.CustomLoader.list(CustomLoader.java:331)
at org.hibernate.internal.SessionImpl.listCustomQuery(SessionImpl.java:1780)
at org.hibernate.internal.AbstractSessionImpl.list(AbstractSessionImpl.java:229)
at org.hibernate.internal.SQLQueryImpl.list(SQLQueryImpl.java:156)
at com.kendoui.spring.models.CapacityContraintDaoImpl.getList(CapacityContraintDaoImpl.java:25)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:318)
at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
at com.sun.proxy.$Proxy28.getList(Unknown Source)
at com.kendoui.spring.controllers.CapacityContraintController.read(CapacityContraintController.java:51)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:212)
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:126)
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:96)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:617)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:578)
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:80)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:900)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:827)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:789)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:650)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:956)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:423)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1079)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:625)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Unknown Source)
它为opCode提供了错误。如果我从capacityConstraint模型中删除操作模型,那么它可以正常工作而不会出现任何错误。但是,如果我包含它,那么它就会抛出错误。 所以我认为问题在于@joinColumn语句。
如果有人能解决我的问题,我真的很感激。
提前致谢。
答案 0 :(得分:1)
我认为你是用同名命名2列,
@Column(name =“ OpCode ”)
public String getOpCode(){
return OpCode;
}
和
@OneToOne
@JoinColumn(name =“ OpCode ”,nullable = false,可插入 = false,updatable = false)
public Operation getOperation(){ 返回操作; }
一个用于对象引用(外键)一个用于字符串,因此其中一个尝试转换为整数格式的外键和一个字符串格式。