在尝试将 Spring Boot 应用程序连接到 Oracle DB 后，我开始收到此错误。之前运行得很好，我可以打开我的主页并在页面之间导航并提交表单来创建 java 对象，但现在我什至无法运行它。
我尝试删除对数据库连接的所有引用，但这似乎没有帮助。我不知道问题是什么。我看到了很多其他答案，讨论添加各种依赖项，但没有一个成功。
我是一名业余程序员，所以我很可能忽略了一些非常简单的事情。非常感谢任何帮助！
错误：
java.sql.SQLRecoverableException: IO Error: The Network Adapter could not establish the connection (CONNECTION_ID=+BjRCnJgT3uBCvSq3SCIaQ==)
at oracle.jdbc.driver.T4CConnection.handleLogonNetException(T4CConnection.java:902) ~[ojdbc11-21.9.0.0.jar:21.9.0.0.0]
at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:707) ~[ojdbc11-21.9.0.0.jar:21.9.0.0.0]
at oracle.jdbc.driver.PhysicalConnection.connect(PhysicalConnection.java:1094) ~[ojdbc11-21.9.0.0.jar:21.9.0.0.0]
at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:89) ~[ojdbc11-21.9.0.0.jar:21.9.0.0.0]
at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:732) ~[ojdbc11-21.9.0.0.jar:21.9.0.0.0]
at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:648) ~[ojdbc11-21.9.0.0.jar:21.9.0.0.0]
at com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverDataSource.java:138) ~[HikariCP-5.0.1.jar:na]
at com.zaxxer.hikari.pool.PoolBase.newConnection(PoolBase.java:359) ~[HikariCP-5.0.1.jar:na]
at com.zaxxer.hikari.pool.PoolBase.newPoolEntry(PoolBase.java:201) ~[HikariCP-5.0.1.jar:na]
at com.zaxxer.hikari.pool.HikariPool.createPoolEntry(HikariPool.java:470) ~[HikariCP-5.0.1.jar:na]
at com.zaxxer.hikari.pool.HikariPool.checkFailFast(HikariPool.java:561) ~[HikariCP-5.0.1.jar:na]
at com.zaxxer.hikari.pool.HikariPool.<init>(HikariPool.java:100) ~[HikariCP-5.0.1.jar:na]
at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:112) ~[HikariCP-5.0.1.jar:na]
at org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils.java:160) ~[spring-jdbc-6.1.6.jar:6.1.6]
at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:118) ~[spring-jdbc-6.1.6.jar:6.1.6]
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:81) ~[spring-jdbc-6.1.6.jar:6.1.6]
at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:342) ~[spring-jdbc-6.1.6.jar:6.1.6]
at org.springframework.boot.jdbc.EmbeddedDatabaseConnection.isEmbedded(EmbeddedDatabaseConnection.java:168) ~[spring-boot-3.2.5.jar:3.2.5]
at org.springframework.boot.autoconfigure.orm.jpa.HibernateDefaultDdlAutoProvider.getDefaultDdlAuto(HibernateDefaultDdlAutoProvider.java:42) ~[spring-boot-autoconfigure-3.2.5.jar:3.2.5]
at org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaConfiguration.lambda$getVendorProperties$1(HibernateJpaConfiguration.java:142) ~[spring-boot-autoconfigure-3.2.5.jar:3.2.5]
at org.springframework.boot.autoconfigure.orm.jpa.HibernateSettings.getDdlAuto(HibernateSettings.java:41) ~[spring-boot-autoconfigure-3.2.5.jar:3.2.5]
at org.springframework.boot.autoconfigure.orm.jpa.HibernateProperties.determineDdlAuto(HibernateProperties.java:118) ~[spring-boot-autoconfigure-3.2.5.jar:3.2.5]
at org.springframework.boot.autoconfigure.orm.jpa.HibernateProperties.getAdditionalProperties(HibernateProperties.java:87) ~[spring-boot-autoconfigure-3.2.5.jar:3.2.5]
at org.springframework.boot.autoconfigure.orm.jpa.HibernateProperties.determineHibernateProperties(HibernateProperties.java:80) ~[spring-boot-autoconfigure-3.2.5.jar:3.2.5]
at org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaConfiguration.getVendorProperties(HibernateJpaConfiguration.java:143) ~[spring-boot-autoconfigure-3.2.5.jar:3.2.5]
at org.springframework.boot.autoconfigure.orm.jpa.JpaBaseConfiguration.entityManagerFactory(JpaBaseConfiguration.java:132) ~[spring-boot-autoconfigure-3.2.5.jar:3.2.5]
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[na:na]
at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[na:na]
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:140) ~[spring-beans-6.1.6.jar:6.1.6]
at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:644) ~[spring-beans-6.1.6.jar:6.1.6]
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:636) ~[spring-beans-6.1.6.jar:6.1.6]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1335) ~[spring-beans-6.1.6.jar:6.1.6]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1165) ~[spring-beans-6.1.6.jar:6.1.6]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:562) ~[spring-beans-6.1.6.jar:6.1.6]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:522) ~[spring-beans-6.1.6.jar:6.1.6]
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:326) ~[spring-beans-6.1.6.jar:6.1.6]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[spring-beans-6.1.6.jar:6.1.6]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:324) ~[spring-beans-6.1.6.jar:6.1.6]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:200) ~[spring-beans-6.1.6.jar:6.1.6]
at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1234) ~[spring-context-6.1.6.jar:6.1.6]
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:952) ~[spring-context-6.1.6.jar:6.1.6]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:624) ~[spring-context-6.1.6.jar:6.1.6]
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:146) ~[spring-boot-3.2.5.jar:3.2.5]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:754) ~[spring-boot-3.2.5.jar:3.2.5]
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:456) ~[spring-boot-3.2.5.jar:3.2.5]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:334) ~[spring-boot-3.2.5.jar:3.2.5]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1354) ~[spring-boot-3.2.5.jar:3.2.5]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1343) ~[spring-boot-3.2.5.jar:3.2.5]
at com.philosophy.plato.PlatoApplication.main(PlatoApplication.java:10) ~[classes/:na]
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[na:na]
at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[na:na]
at org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:50) ~[spring-boot-devtools-3.2.5.jar:3.2.5]
Caused by: oracle.net.ns.NetException: The Network Adapter could not establish the connection (CONNECTION_ID=+BjRCnJgT3uBCvSq3SCIaQ==)
at oracle.net.nt.ConnStrategy.execute(ConnStrategy.java:715) ~[ojdbc11-21.9.0.0.jar:21.9.0.0.0]
at oracle.net.resolver.AddrResolution.resolveAndExecute(AddrResolution.java:584) ~[ojdbc11-21.9.0.0.jar:21.9.0.0.0]
at oracle.net.ns.NSProtocol.establishConnection(NSProtocol.java:964) ~[ojdbc11-21.9.0.0.jar:21.9.0.0.0]
at oracle.net.ns.NSProtocol.connect(NSProtocol.java:350) ~[ojdbc11-21.9.0.0.jar:21.9.0.0.0]
at oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:2627) ~[ojdbc11-21.9.0.0.jar:21.9.0.0.0]
at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:666) ~[ojdbc11-21.9.0.0.jar:21.9.0.0.0]
... 50 common frames omitted
Caused by: oracle.net.ns.NetException: Unable to initialize ssl context.
at oracle.net.nt.CustomSSLSocketFactory.createSSLContext(CustomSSLSocketFactory.java:436) ~[ojdbc11-21.9.0.0.jar:21.9.0.0.0]
at oracle.net.nt.CustomSSLSocketFactory.getSSLContext(CustomSSLSocketFactory.java:393) ~[ojdbc11-21.9.0.0.jar:21.9.0.0.0]
at oracle.net.nt.CustomSSLSocketFactory.getSSLSocketEngine(CustomSSLSocketFactory.java:359) ~[ojdbc11-21.9.0.0.jar:21.9.0.0.0]
at oracle.net.nt.TcpsNTAdapter.newSSLEngine(TcpsNTAdapter.java:658) ~[ojdbc11-21.9.0.0.jar:21.9.0.0.0]
at oracle.net.nt.TcpsNTAdapter.connect(TcpsNTAdapter.java:255) ~[ojdbc11-21.9.0.0.jar:21.9.0.0.0]
at oracle.net.nt.ConnOption.connect(ConnOption.java:230) ~[ojdbc11-21.9.0.0.jar:21.9.0.0.0]
at oracle.net.nt.ConnStrategy.executeConnOption(ConnStrategy.java:1014) ~[ojdbc11-21.9.0.0.jar:21.9.0.0.0]
at oracle.net.nt.ConnStrategy.execute(ConnStrategy.java:673) ~[ojdbc11-21.9.0.0.jar:21.9.0.0.0]
... 55 common frames omitted
Caused by: oracle.net.ns.NetException: Unable to initialize the key store.
at oracle.net.nt.CustomSSLSocketFactory.getKeyManagerArray(CustomSSLSocketFactory.java:710) ~[ojdbc11-21.9.0.0.jar:21.9.0.0.0]
at oracle.net.nt.CustomSSLSocketFactory.createSSLContext(CustomSSLSocketFactory.java:410) ~[ojdbc11-21.9.0.0.jar:21.9.0.0.0]
... 62 common frames omitted
Caused by: java.security.KeyStoreException: SSO not found
at java.base/java.security.KeyStore.getInstance(KeyStore.java:873) ~[na:na]
at oracle.net.nt.CustomSSLSocketFactory.getKeyStoreInstance(CustomSSLSocketFactory.java:924) ~[ojdbc11-21.9.0.0.jar:21.9.0.0.0]
at oracle.net.nt.CustomSSLSocketFactory.loadKeyStore(CustomSSLSocketFactory.java:1059) ~[ojdbc11-21.9.0.0.jar:21.9.0.0.0]
at oracle.net.nt.CustomSSLSocketFactory.getKeyManagerArray(CustomSSLSocketFactory.java:694) ~[ojdbc11-21.9.0.0.jar:21.9.0.0.0]
... 63 common frames omitted
Caused by: java.security.NoSuchAlgorithmException: SSO KeyStore not available
at java.base/sun.security.jca.GetInstance.getInstance(GetInstance.java:159) ~[na:na]
at java.base/java.security.Security.getImpl(Security.java:658) ~[na:na]
at java.base/java.security.KeyStore.getInstance(KeyStore.java:870) ~[na:na]
... 66 common frames omitted
我的POM.XML文件：
<?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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>3.2.5</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.philosophy.plato</groupId>
<artifactId>Plato</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>Plato</name>
<description>Plato</description>
<properties>
<java.version>22</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<scope>runtime</scope>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.oracle.database.jdbc</groupId>
<artifactId>ojdbc11</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
我的Application.properties文件： 当我将数据库信息输入 intellij 的内置数据库连接系统并测试连接时，它起作用了。但我的程序没有。
spring.application.name=Plato
spring.datasource.url=jdbc:oracle:thin:@socratesdb_high?TNS_ADMIN=C:/Wallet_SocratesDB
spring.datasource.username=XXXX
spring.datasource.password=XXXX
spring.datasource.hikari.driver-class-name=oracle.jdbc.OracleDriver
我的控制器：
package com.philosophy.plato.controllers;
import com.philosophy.plato.objects.Employee;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.PostMapping;
import java.util.Arrays;
import java.util.List;
@Controller
public class HomeController {
@GetMapping("/")
public String landing() {
return "html/index";
}
@GetMapping("/demographic")
public String goToDemographic(Model model) {
Employee employee = new Employee();
model.addAttribute("employee", employee);
List<String> prefixList = Arrays.asList(" ", "Mr.", "Mrs.", "Ms.", "Miss", "Dr.", "Rev.", "Sr.");
model.addAttribute("prefixList", prefixList);
List<String> ethnicityList = Arrays.asList(" ", "American Indian", "Alaskan Native", "Asian", "Black", "Hispanic", "Pacific Islander", "White");
model.addAttribute("ethnicityList", ethnicityList);
List<String> hispanicOrLatinoList = Arrays.asList(" ", "Y", "N");
model.addAttribute("hispanicOrLatinoList", hispanicOrLatinoList);
List<String> statesList = Arrays.asList(
" ",
"AK - Alaska",
"AL - Alabama",
"AR - Arkansas",
"AS - American Samoa",
"AZ - Arizona",
"CA - California",
"CO - Colorado",
"CT - Connecticut",
"DC - District of Columbia",
"DE - Delaware",
"FL - Florida",
"GA - Georgia",
"GU - Guam",
"HI - Hawaii",
"IA - Iowa",
"ID - Idaho",
"IL - Illinois",
"IN - Indiana",
"KS - Kansas",
"KY - Kentucky",
"LA - Louisiana",
"MA - Massachusetts",
"MD - Maryland",
"ME - Maine",
"MI - Michigan",
"MN - Minnesota",
"MO - Missouri",
"MS - Mississippi",
"MT - Montana",
"NC - North Carolina",
"ND - North Dakota",
"NE - Nebraska",
"NH - New Hampshire",
"NJ - New Jersey",
"NM - New Mexico",
"NV - Nevada",
"NY - New York",
"OH - Ohio",
"OK - Oklahoma",
"OR - Oregon",
"PA - Pennsylvania",
"PR - Puerto Rico",
"RI - Rhode Island",
"SC - South Carolina",
"SD - South Dakota",
"TN - Tennessee",
"TX - Texas",
"UT - Utah",
"VA - Virginia",
"VI - Virgin Islands",
"VT - Vermont",
"WA - Washington",
"WI - Wisconsin",
"WV - West Virginia",
"WY - Wyoming");
model.addAttribute("stateList", statesList);
return "html/employeeEntry";
}
@PostMapping("/addEmployee")
public String addEmployee(@ModelAttribute("employee") Employee employee) {
System.out.println(employee);
System.out.println(employee.toString());
return "html/index";
}
}
而我要保存的对象，我需要重新添加@Entity和@Id注释
package com.philosophy.plato.objects;
import java.sql.Date;
public class Employee {
private int idNum; // either entered as text or generated by button, required and unique
private String namePrefix; // drop down
private String nameFirst; // text entry
private String nameMiddle; // text entry
private String nameLast; // text entry
private String sex; // radio button
private String ethnicity; // drop down
private String hispanicOrLatino; // drop down
private String address; // text entry
private String city; // text entry
private String state; // drop down
private String zipCode; // text entry
private Date dateBirth; // YYYYMMDD
private Date dateStart; // YYYYMMDD
private String jobTitle; // text entry
public Employee() {}
public Employee(int idNum, String namePrefix, String nameFirst, String nameMiddle, String nameLast, String sex, String ethnicity, String hispanicOrLatino, String address, String city, String state, String zipCode, Date dateBirth, Date dateStart, String jobTitle) {
this.idNum = idNum;
this.namePrefix = namePrefix;
this.nameFirst = nameFirst;
this.nameMiddle = nameMiddle;
this.nameLast = nameLast;
this.sex = sex;
this.ethnicity = ethnicity;
this.hispanicOrLatino = hispanicOrLatino;
this.address = address;
this.city = city;
this.state = state;
this.zipCode = zipCode;
this.dateBirth = dateBirth;
this.dateStart = dateStart;
this.jobTitle = jobTitle;
}
public String getNamePrefix() {
return namePrefix;
}
@Override
public String toString() {
return "Employee{" +
"idNum=" + idNum +
", namePrefix='" + namePrefix + '\'' +
", nameFirst='" + nameFirst + '\'' +
", nameMiddle='" + nameMiddle + '\'' +
", nameLast='" + nameLast + '\'' +
", sex='" + sex + '\'' +
", ethnicity='" + ethnicity + '\'' +
", hispanicOrLatino='" + hispanicOrLatino + '\'' +
", address='" + address + '\'' +
", city='" + city + '\'' +
", state='" + state + '\'' +
", zipCode='" + zipCode + '\'' +
", dateBirth=" + dateBirth +
", dateStart=" + dateStart +
", jobTitle='" + jobTitle + '\'' +
'}';
}
public int getIdNum() {
return idNum;
}
public void setIdNum(int idNum) {
this.idNum = idNum;
}
public void setNamePrefix(String namePrefix) {
this.namePrefix = namePrefix;
}
public String getNameFirst() {
return nameFirst;
}
public void setNameFirst(String nameFirst) {
this.nameFirst = nameFirst;
}
public String getNameMiddle() {
return nameMiddle;
}
public void setNameMiddle(String nameMiddle) {
this.nameMiddle = nameMiddle;
}
public String getNameLast() {
return nameLast;
}
public void setNameLast(String nameLast) {
this.nameLast = nameLast;
}
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
}
public String getCity() {
return city;
}
public void setCity(String city) {
this.city = city;
}
public String getState() {
return state;
}
public void setState(String state) {
this.state = state;
}
public String getZipCode() {
return zipCode;
}
public void setZipCode(String zipCode) {
this.zipCode = zipCode;
}
public Date getDateBirth() {
return dateBirth;
}
public void setDateBirth(Date dateBirth) {
this.dateBirth = dateBirth;
}
public Date getDateStart() {
return dateStart;
}
public void setDateStart(Date dateStart) {
this.dateStart = dateStart;
}
public String getJobTitle() {
return jobTitle;
}
public void setJobTitle(String jobTitle) {
this.jobTitle = jobTitle;
}
public String getSex() {
return sex;
}
public void setSex(String sex) {
this.sex = sex;
}
public String getEthnicity() {
return ethnicity;
}
public void setEthnicity(String ethnicity) {
this.ethnicity = ethnicity;
}
public String getHispanicOrLatino() {
return hispanicOrLatino;
}
public void setHispanicOrLatino(String hispanicOrLatino) {
this.hispanicOrLatino = hispanicOrLatino;
}
}
错误
Caused by: oracle.net.ns.NetException: Unable to initialize ssl context.
是因为你没有
<groupId>com.oracle.database.security</groupId>
<artifactId>oraclepki</artifactId>
在你的依赖中。