休眠错误消息：意外令牌：NULLS（脚本文件行中的错误：13 意外令牌：NULLS）
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【中文标题】休眠错误消息：意外令牌：NULLS（脚本文件行中的错误：13 意外令牌：NULLS）【英文标题】：Hibernate error message: unexpected token: NULLS (error in script file line: 13 unexpected token: NULLS) 【发布时间】：2012-02-04 08:18:43 【问题描述】：在学习Hibernate的过程中，遇到了一个很模糊的错误信息。首先是一些快速的背景知识。我以前有一个工作正常的单表数据库。现在我添加了第二个表，第一个表包含第二个表的集合。更清楚地说，我以前有一个团队表。现在我添加了一个播放器表。 Team 包含一个属性，该属性将包含该团队的团队成员。当然，团队成员是由球员组成的。我想让这个工作，但我不明白错误消息。我已经包含了我认为相关的文件。我省略了我的主控制器和团队控制器以及相关的视图，因为以前的工作版本从未触及这些。也省略了 DAO 和服务层；又没碰。这是错误日志：
[org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping#0,org.springframework.format.support.FormattingConversionServiceFactoryBean#0,org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter#0,org.springframework.web.servlet.handler.MappedInterceptor#0,org.springframework.aop.config.internalAutoProxyCreator,org.springframework.transaction.annotation.AnnotationTransactionAttributeSource#0,org.springframework.transaction.interceptor.TransactionInterceptor#0,org.springframework.transaction.config.internalTransactionAdvisor,org.springframework.web.servlet.mvc.HttpRequestHandlerAdapter,org.springframework.web.servlet.resource.ResourceHttpRequestHandler#0,org.springframework.web.servlet.handler.SimpleUrlHandlerMapping#0,datasource,org.springframework.web.servlet.view.InternalResourceViewResolver#0,org.springframework.context.support.ReloadableResourceBundleMessageSource#0,sessionFactory,transactionManager,umpire,theTeam,removedTeam,thePlayer,playerManager,baseballservice,teamManager,baseballDAO,baseballDAOimp,baseballServiceImp,greeter,homeController,playerController,teamController,org.springframework.context.annotation.internalConfigurationAnnotationProcessor,org.springframework.context.annotation.internalAutowiredAnnotationProcessor,org.springframework.context.annotation.internalRequiredAnnotationProcessor,org.springframework.context.annotation.internalCommonAnnotationProcessor,org.springframework.context.annotation.internalPersistenceAnnotationProcessor]; parent: org.springframework.beans.factory.support.DefaultListableBeanFactory@102b2b6
WARN : org.hibernate.util.DTDEntityResolver - recognized obsolete hibernate namespace http://hibernate.sourceforge.net/. Use namespace http://www.hibernate.org/dtd/ instead. Refer to Hibernate 3.6 Migration Guide!
WARN : org.hibernate.cfg.AnnotationBinder - Package not found or wo package-info.java: com.ryans.MVCproject1
WARN : hsqldb.db.HSQLDB3310D13292.ENGINE - unexpected token: NULLS
org.hsqldb.HsqlException: unexpected token: NULLS
at org.hsqldb.error.Error.parseError(Unknown Source)
at org.hsqldb.ParserBase.unexpectedToken(Unknown Source)
at org.hsqldb.ParserCommand.compileSetDatabaseProperty(Unknown Source)
at org.hsqldb.ParserCommand.compileSet(Unknown Source)
at org.hsqldb.ParserCommand.compilePart(Unknown Source)
at org.hsqldb.ParserCommand.compileStatement(Unknown Source)
at org.hsqldb.Session.compileStatement(Unknown Source)
.
at org.hsqldb.jdbc.JDBCDriver.getConnection(Unknown Source)
at org.hsqldb.jdbc.JDBCDriver.connect(Unknown Source)
at org.apache.commons.dbcp.DriverConnectionFactory.createConnection(DriverConnectionFactory.java:38)
at org.apache.commons.dbcp.PoolableConnectionFactory.makeObject(PoolableConnectionFactory.java:582)
at org.apache.commons.dbcp.BasicDataSource.validateConnectionFactory(BasicDataSource.java:1556)
at org.apache.commons.dbcp.BasicDataSource.createPoolableConnectionFactory(BasicDataSource.java:1545)
at org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1388)
at org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:1044)
at org.springframework.orm.hibernate3.LocalDataSourceConnectionProvider.getConnection(LocalDataSourceConnectionProvider.java:81)
at org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:113)
at org.hibernate.cfg.Configuration.buildSettingsInternal(Configuration.java:2863)
at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:2859)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1870)
at org.springframework.orm.hibernate3.LocalSessionFactoryBean.newSessionFactory(LocalSessionFactoryBean.java:860)
at org.springframework.orm.hibernate3.LocalSessionFactoryBean.buildSessionFactory(LocalSessionFactoryBean.java:779)
at org.springframework.orm.hibernate3.AbstractSessionFactoryBean.afterPropertiesSet(AbstractSessionFactoryBean.java:211)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1477)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1417)
.
.
.
.
.
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:190)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.findAutowireCandidates(DefaultListableBeanFactory.java:844)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:786)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:703)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:474)
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:84)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:282)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1074)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:517)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:291)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:288)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:190)
at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1075)
at org.springframework.web.servlet.handler.AbstractUrlHandlerMapping.registerHandler(AbstractUrlHandlerMapping.java:383)
at org.springframework.web.servlet.handler.AbstractUrlHandlerMapping.registerHandler(AbstractUrlHandlerMapping.java:362)
at org.springframework.web.servlet.handler.AbstractDetectingUrlHandlerMapping.detectHandlers(AbstractDetectingUrlHandlerMapping.java:82)
at org.springframework.web.servlet.handler.AbstractDetectingUrlHandlerMapping.initApplicationContext(AbstractDetectingUrlHandlerMapping.java:58)
at org.springframework.context.support.ApplicationObjectSupport.initApplicationContext(ApplicationObjectSupport.java:119)
at org.springframework.web.context.support.WebApplicationObjectSupport.initApplicationContext(WebApplicationObjectSupport.java:72)
at org.springframework.context.support.ApplicationObjectSupport.setApplicationContext(ApplicationObjectSupport.java:73)
at org.springframework.context.support.ApplicationContextAwareProcessor.invokeAwareInterfaces(ApplicationContextAwareProcessor.java:106)
at org.springframework.context.support.ApplicationContextAwareProcessor.postProcessBeforeInitialization(ApplicationContextAwareProcessor.java:85)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsBeforeInitialization(AbstractAutowireCapableBeanFactory.java:394)
.
.
at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:306)
at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:127)
at javax.servlet.GenericServlet.init(GenericServlet.java:160)
at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1189)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1103)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1010)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4935)
at org.apache.catalina.core.StandardContext$3.call(StandardContext.java:5262)
at org.apache.catalina.core.StandardContext$3.call(StandardContext.java:5257)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
Feb 6, 2012 2:25:53 PM org.apache.coyote.AbstractProtocolHandler start
INFO: Starting ProtocolHandler ["http-bio-8080"]
Feb 6, 2012 2:25:53 PM org.apache.coyote.AbstractProtocolHandler start
INFO: Starting ProtocolHandler ["ajp-bio-8009"]
Feb 6, 2012 2:25:53 PM org.apache.catalina.startup.Catalina start
INFO: Server startup in 5176 ms
这是与这个小程序相关的文件...
pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.ryans</groupId>
<artifactId>MVCproject1</artifactId>
<name>abc</name>
<packaging>war</packaging>
<version>1.0.0-BUILD-SNAPSHOT</version>
<properties>
<java-version>1.6</java-version>
<org.springframework-version>3.0.5.RELEASE</org.springframework-version>
<org.springframework.roo-version>1.0.2.RELEASE</org.springframework.roo-version>
<org.aspectj-version>1.6.9</org.aspectj-version>
<org.slf4j-version>1.5.10</org.slf4j-version>
</properties>
<dependencies>
<!-- Spring -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>$org.springframework-version</version>
<exclusions>
<!-- Exclude Commons Logging in favor of SLF4j -->
<exclusion>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>$org.springframework-version</version>
</dependency>
<!-- this was added by me for JPA annotations -->
<dependency>
<groupId>javax.persistence</groupId>
<artifactId>persistence-api</artifactId>
<version>1.0</version>
<optional>true</optional>
</dependency>
<!-- Object-to-Relation-Mapping (ORM) integration with Hibernate, JPA,
and iBatis. (depends on spring-core, spring-beans, spring-context, spring-tx)
Define this if you need ORM (org.springframework.orm.*) -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<version>$org.springframework-version</version>
</dependency>
<!-- Roo dependencies -->
<dependency>
<groupId>org.springframework.roo</groupId>
<artifactId>org.springframework.roo.annotations</artifactId>
<version>$org.springframework.roo-version</version>
<scope>provided</scope>
</dependency>
<!-- AspectJ -->
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjrt</artifactId>
<version>$org.aspectj-version</version>
</dependency>
<!-- Logging -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>$org.slf4j-version</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>jcl-over-slf4j</artifactId>
<version>$org.slf4j-version</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>$org.slf4j-version</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.15</version>
<exclusions>
<exclusion>
<groupId>javax.mail</groupId>
<artifactId>mail</artifactId>
</exclusion>
<exclusion>
<groupId>javax.jms</groupId>
<artifactId>jms</artifactId>
</exclusion>
<exclusion>
<groupId>com.sun.jdmk</groupId>
<artifactId>jmxtools</artifactId>
</exclusion>
<exclusion>
<groupId>com.sun.jmx</groupId>
<artifactId>jmxri</artifactId>
</exclusion>
</exclusions>
<scope>runtime</scope>
</dependency>
<!-- @Inject -->
<dependency>
<groupId>javax.inject</groupId>
<artifactId>javax.inject</artifactId>
<version>1</version>
</dependency>
<!-- Servlet -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.5</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>jsp-api</artifactId>
<version>2.1</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<!-- Test -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.7</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>commons-dbcp</groupId>
<artifactId>commons-dbcp</artifactId>
<version>1.4</version>
</dependency>
<dependency>
<groupId>org.hsqldb</groupId>
<artifactId>hsqldb</artifactId>
<version>2.2.4</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>3.6.7.Final</version>
<type>jar</type>
<scope>compile</scope>
</dependency>
<!-- added for hibernate annotations 2/3/12 -->
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-annotations</artifactId>
<version>$hibernate-core-version</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-proxool</artifactId>
<version>4.0.0.CR4</version>
<type>jar</type>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>javassist</groupId>
<artifactId>javassist</artifactId>
<version>3.12.1.GA</version>
<type>jar</type>
<scope>compile</scope>
</dependency>
</dependencies>
<repositories>
<!-- For testing against latest Spring snapshots -->
<repository>
<id>org.springframework.maven.snapshot</id>
<name>Spring Maven Snapshot Repository</name>
<url>http://maven.springframework.org/snapshot</url>
<releases>
<enabled>false</enabled>
</releases>
<snapshots>
<enabled>true</enabled>
</snapshots>
</repository>
<!-- For developing against latest Spring milestones -->
<repository>
<id>org.springframework.maven.milestone</id>
<name>Spring Maven Milestone Repository</name>
<url>http://maven.springframework.org/milestone</url>
<snapshots>
<enabled>false</enabled>
</snapshots>
</repository>
<!-- For hibernate support -->
<repository>
<id>jboss</id>
<url>https://repository.jboss.org/nexus/content/groups/public/</url>
</repository>
</repositories>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>$java-version</source>
<target>$java-version</target>
servlet-context.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans:beans xmlns="http://www.springframework.org/schema/mvc"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:beans="http://www.springframework.org/schema/beans"
xmlns:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd">
<!-- DispatcherServlet Context: defines this servlet's request-processing
infrastructure -->
<!-- Enables the Spring MVC @Controller programming model -->
<annotation-driven />
<!-- Enables the transactional annotations -->
<tx:annotation-driven transaction-manager="transactionManager"></tx:annotation-driven>
<!-- Handles HTTP GET requests for /resources/** by efficiently serving
up static resources in the $webappRoot/resources directory -->
<resources mapping="/resources/**" location="/resources/" />
<!-- Connection to Database
***** hsqldb.lock_file=false *****
-->
<beans:bean id="datasource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
<beans:property name="driverClassName" value="org.hsqldb.jdbcDriver" />
<beans:property name="url" value="jdbc:hsqldb:G:/SpringProjects/MVCProj1/database;shutdown=true" />
<beans:property name="username" value="ryan" />
<beans:property name="password" value="ryan" />
</beans:bean>
<!-- Resolves views selected for rendering by @Controllers to .jsp resources
in the /WEB-INF/views directory -->
<!-- View Resolver -->
<beans:bean
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<beans:property name="prefix" value="/WEB-INF/views/" />
<beans:property name="suffix" value=".jsp" />
</beans:bean>
<!-- MessageSource -->
<beans:bean
class="org.springframework.context.support.ReloadableResourceBundleMessageSource">
<beans:property name="basename" value="classpath:messages" />
<beans:property name="defaultEncoding" value="UTF-8" />
</beans:bean>
<!-- Hibernate SessionFactory -->
<!-- <beans:bean id="sessionFactory"
class="org.springframework.orm.hibernate3.LocalSessionFactoryBean"> this was the original working bean class 2/3/12-->
<beans:bean id="sessionFactory" class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">
<beans:property name="dataSource" ref="datasource"></beans:property>
<beans:property name="configLocation" value="classpath:hibernate.cfg.xml"></beans:property>
<beans:property name="configurationClass" value="org.hibernate.cfg.AnnotationConfiguration"></beans:property>
<beans:property name="annotatedClasses">
<beans:list>
<beans:value>com.ryans.MVCproject1.Team</beans:value>
<beans:value>com.ryans.MVCproject1.Player</beans:value>
</beans:list>
</beans:property>
<beans:property name="hibernateProperties">
<beans:props>
<beans:prop key="hibernate.dialect">org.hibernate.dialect.HSQLDialect</beans:prop>
<beans:prop key="hibernate.show_sql">true</beans:prop>
<beans:prop key="hibernate.hbm2dll.auto">create-drop</beans:prop>
</beans:props>
</beans:property>
</beans:bean>
<!-- Define a transaction Manager -->
<beans:bean id="transactionManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
<beans:property name="sessionFactory" ref="sessionFactory"></beans:property>
</beans:bean>
<!-- Custom Greeter Bean -->
<beans:bean id="umpire" class="com.ryans.MVCproject1.Greeter">
<beans:property name="theMessage" value="I am the umpire!"></beans:property>
</beans:bean>
<beans:bean id="theTeam" class="com.ryans.MVCproject1.Team"></beans:bean>
<beans:bean id="removedTeam" class="com.ryans.MVCproject1.Team"></beans:bean>
<beans:bean id="thePlayer" class="com.ryans.MVCproject1.Player"></beans:bean>
<beans:bean id="playerManager" class="com.ryans.MVCproject1.baseballServiceImp">
<beans:constructor-arg ref="baseballDAO"></beans:constructor-arg>
</beans:bean>
<beans:bean id="baseballservice" class="com.ryans.MVCproject1.baseballServiceImp">
<beans:constructor-arg ref="baseballDAO"></beans:constructor-arg>
</beans:bean>
<beans:bean id="teamManager" class="com.ryans.MVCproject1.baseballServiceImp">
<beans:constructor-arg ref="baseballDAO"></beans:constructor-arg>
</beans:bean>
<beans:bean id="baseballDAO" class="com.ryans.MVCproject1.BaseballDAOimp">
<beans:property name="sessionFactory" ref="sessionFactory"></beans:property>
</beans:bean>
<context:component-scan base-package="com.ryans.MVCproject1" />
</beans:beans>
hibernate.cfg.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<mapping package="com.ryans.MVCproject1" />
<mapping class="com.ryans.MVCproject1.Player"/>
<mapping class="com.ryans.MVCproject1.Team"/>
</session-factory>
</hibernate-configuration>
PlayerController.java
package com.ryans.MVCproject1;
import java.util.List;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
/**
*
* @author Captain Duh
*
* Handle Requests for the player page
*
*/
@Controller
@RequestMapping(value="/player")
public class PlayerController
private static final Logger logger = LoggerFactory.getLogger(PlayerController.class);
@Autowired
private Team thePlayer;
@Autowired
private baseballService playerManager;
@Autowired baseballService baseballservice; //all teams in the database
@RequestMapping(method=RequestMethod.GET)
public String PlayerPage(Model model)
logger.info("You have entered the player controller.");
model.addAttribute("thePlayer", thePlayer);
return "player";
@RequestMapping("/storePlayer")
public String storePlayer(@ModelAttribute("thePlayer")Player enteredPlayer,BindingResult result)
playerManager.addPlayer(enteredPlayer); //the @ModelAttribute is binding to the model attribute added in the get method
return "redirect:/home";
public void getAllTeams(Model model)
logger.info("Getting all teams for player...");
//ModelAndView mav = new ModelAndView("home");
List<Team> teamsToSelect = baseballservice.getAllTeams(); //Query for all teams in database
//mav.addObject("GET_TEAMS_KEY", allTeams);
model.addAttribute("teamsToSelect", teamsToSelect);
return;
player.jsp
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<%@ taglib uri="http://www.springframework.org/tags" prefix="s" %>
<%@ taglib uri="http://www.springframework.org/tags/form" prefix="form" %>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Team Player Management</title>
</head>
<body>
<h3>Welcome to the Player Manager</h3>
<form:form method="POST" modelAttribute="thePlayer" action="player/storePlayer">
<table>
<tr>
<td>Player First Name:</td>
<td><form:input path="firstName" /></td>
</tr>
<tr>
<td>Last Name:</td>
<td><form:input path="lastName" /></td>
</tr>
<tr>
<td>Jersey No.</td>
<td><form:input path="jerseyNumber"/></td>
</tr>
<tr>
<c:forEach var="team" items="$teamsToSelect"></c:forEach>
<form:select path="playerTeam">
<form:option value="NONE" label="**Select a Team **"/>
<form:options items="$teamsToSelect"/>
</form:select>
</tr>
<tr>
<td colspan="2">
<input type="submit" value="Create Player" />
</td>
</tr>
</table>
</form:form>
<a href="home">Back Home</a>
</body>
</html>
如果您需要更多信息，请告诉我。这对我来说没有意义。谢谢。
【问题讨论】：
导致这个异常的代码是什么？ 我发布了修改过的文件。我添加了播放器类、控制器和视图。我还在 pom 文件中添加了与 hibernate 注释相关的依赖项。如果我真的知道运行时异常发生在哪里，那么我可能会找出错误在哪里。 阅读堆栈跟踪：它会告诉你异常是在哪里引发的。由于您只发布了堆栈跟踪的开头，我们无法知道。 我将发布整个堆栈跟踪，但原始问题之下的 90% 与第一个问题有关。通常，当最初的错误得到解决后，后续的问题就会消失。 由于论坛的字符数限制，我无法发布整个跟踪。我想补充一点，这是应用程序加载到 Tomcat 时的服务器堆栈跟踪。该应用程序尚未在服务器上运行，原因很明显：消息表明它无法运行。也许我创建的数据库不正确？这是我的 sql 代码：CREATE TABLE TEAM (ID IDENTITY, TEAMNAME VARCHAR(20), CITY VARCHAR(20)); CREATE TABLE PLAYER (ID IDENTITY, LASTNAME VARCHAR(25), FIRSTNAME VARCHAR(25), JERSEY INTEGER);
【参考方案1】：
问题出在 database.script 文件中。当我添加一个玩家表时，以下行被添加到脚本中（这一定是自动的，因为我没有接触过这个文件）：
SET DATABASE SQL NULLS FIRST TRUE
SET DATABASE SQL AVG SCALE 0
然后我不得不改变这一行：
database.script 的变化来自
SET DATABASE TRANSACTION ROLLBACK ON CONFLICT TRUE
到
SET DATABASE TRANSACTION ROLLBACK ON DEADLOCK TRUE
谁能解释这是为什么？ HSQL 不喜欢标记 NULL 或 AVG？无论如何，那是在堆栈跟踪中。
【讨论】：
如果你运行hsqldb v2.2.6，当它关闭时，它会在你的db文件中添加SET DATABASE SQL AVG SCALE 0并将SET DATABASE TRANSACTION ROLLBACK ON DEADLOCK TRUE更改为SET DATABASE TRANSACTION ROLLBACK ON CONFLICT TRUE。删除 AVG 行（你会得到它的堆栈跟踪），并将 CONFLICT 改回 DEADLOCK （或者你也会得到堆栈跟踪）。然后您应该能够在 2.2.4 下再次运行数据库。至少这对我有用。【参考方案2】：
您必须在db.script 文件中更改这一行：
SET DATABASE TRANSACTION ROLLBACK ON CONFLICT TRUE
到
SET DATABASE TRANSACTION ROLLBACK ON DEADLOCK TRUE
在此之后再次打开db.script删除新生成的行
SET DATABASE SQL AVG SCALE 0
这将使它工作。
【讨论】：
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