我正在构建一个示例Spring应用程序，它将公开REST
用于获取数据并将数据发布到数据库中的表的API。建立基本的东西。
我将PostgreSQL用于Cloud Foundry中的数据源。
返回字符串的GET API可以正常工作。执行POST的API返回404 Not Found。返回表中条目的API引发异常。
类型异常报告
Message Request processing failed; nested exception is org.springframework.orm.jpa.JpaSystemException: Exception [EclipseLink-4002] (Eclipse Persistence Services - 2.6.2.v20151217-774c696): org.eclipse.persistence.exceptions.DatabaseException
说明：
服务器遇到意外状况，阻止其满足请求。
例外
org.springframework.web.util.NestedServletException: Request processing failed; nested exception is org.springframework.orm.jpa.JpaSystemException: Exception [EclipseLink-4002] (Eclipse Persistence Services - 2.6.2.v20151217-774c696): org.eclipse.persistence.exceptions.DatabaseException
Internal Exception: org.postgresql.util.PSQLException: ERROR: syntax error at or near "GROUP"
++++++++++++++++++++++++++++++++++++++++++++++++++++++++
@Configuration
@EnableJpaRepositories(basePackageClasses =
CustomerFeedbackRepository.class)
@Profile("cloud")
public class CloudDatabaseConfig extends AbstractCloudConfig {
@Bean
public DataSource dataSource() {
List<String> dataSourceNames =
Arrays.asList("BasicDbcpPooledDataSourceCreator","TomcatJdbcPooledDataSourceCreator","HikariCpPooledDataSourceCreator","TomcatDbcpPooledDataSourceCreator");
DataSourceConfig dbConfig = new DataSourceConfig(dataSourceNames);
return connectionFactory().dataSource(dbConfig);
}
@Bean(name = "entityManagerFactory")
public LocalContainerEntityManagerFactoryBean entityManagerFactory(DataSource dataSource) {
return EntityManagerFactoryProvider.get(dataSource, CustomerFeedback.class.getPackage().getName());
}
@Bean(name = "transactionManager")
public JpaTransactionManager transactionManager(EntityManagerFactory entityManagerFactory) {
return new JpaTransactionManager(entityManagerFactory);
}
}
@PostMapping("/capturecf")
@RequestMapping(value ="CustomerFeedback", method = RequestMethod.POST)
public CustomerFeedback addFeedback(@RequestBody CustomerFeedback custfeedback)
{
return customerfeedbackrepo.save(custfeedback);
}
@PostMapping("/captureua")
@RequestMapping(value = "UsageActivity", method = RequestMethod.POST)
public UsageActivity addUsageTracking(@Valid @RequestBody UsageActivity usageActivity)
{
return usageactivityrepository.save(usageActivity);
}
@GetMapping("/usageactivity")
public List<UsageActivity> getAllNotes() {
return usageactivityrepository.findAll();`enter code here`
}
<dependencies>
<!-- APIs for servlets and injection -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.0.1</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.inject</groupId>
<artifactId>javax.inject</artifactId>
<version>1</version>
</dependency>
<!-- Spring Framework and Spring WebMVC -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring.version}</version>
</dependency>
<!-- Logging library -->
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>${logback.version}</version>
</dependency>
<dependency>
<groupId>com.sap.hcp.cf.logging</groupId>
<artifactId>cf-java-logging-support-logback</artifactId>
<version>${sap.logging.version}</version>
</dependency>
<dependency>
<groupId>com.sap.hcp.cf.logging</groupId>
<artifactId>cf-java-logging-support-servlet</artifactId>
<version>${sap.logging.version}</version>
</dependency>
<!-- JSON conversion -->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.8.1</version>
</dependency>
<!-- Actuator for adding management endpoints -->
<dependency>
<groupId> org.springframework.boot</groupId>
<artifactId>spring-boot-actuator</artifactId>
<version>1.2.5.RELEASE</version>
</dependency>
<!-- Bean validation (@NotNull etc.) -->
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-validator</artifactId>
<version>5.2.1.Final</version>
</dependency>
<!-- MethodValidationPostProcessor relies on Expression Language -->
<dependency>
<groupId>javax.el</groupId>
<artifactId>javax.el-api</artifactId>
<version>3.0.1-b04</version>
</dependency>
<!-- Spring Cloud Connector -->
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-spring-service-connector</artifactId>
<version>1.2.1.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-cloudfoundry-connector</artifactId>
<version>1.2.1.RELEASE</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-jpa</artifactId>
<version>1.9.2.RELEASE</version>
<exclusions>
<exclusion>
<!-- We need spring-core 4.2 or later, but spring-data includes 4.1.9 -->
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
</exclusion>
</exclusions>
</dependency>
<!-- EclipseLink as JPA implementation -->
<dependency>
<groupId>org.eclipse.persistence</groupId>
<artifactId>org.eclipse.persistence.jpa</artifactId>
<version>2.6.2</version>
</dependency>
<!-- PostgreSQL database implementations -->
<dependency>
<groupId>org.postgresql</groupId>
<artifactId>postgresql</artifactId>
<version>9.4-1206-jdbc41</version>
<scope>runtime</scope>
</dependency>
<!-- connection pooling -->
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-dbcp2</artifactId>
<version>2.1.1</version>
<scope>runtime</scope>
</dependency>
<!-- Testing -->
<dependency>
<groupId>org.hamcrest</groupId>
<artifactId>hamcrest-library</artifactId>
<version>1.3</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.mockito</groupId>
<artifactId>mockito-core</artifactId>
<version>1.10.19</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring.version}</version>
<scope>test</scope>
</dependency>
<!-- Use MockMvcResultMatchers.jsonPath to assert the JSON body -->
<dependency>
<groupId>com.jayway.jsonpath</groupId>
<artifactId>json-path</artifactId>
<version>2.2.0</version>
<scope>test</scope>
</dependency>
<!-- H2 (in-memory) database implementation -->
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<version>1.4.184</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<finalName>customerconnect</finalName>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.3</version>
<configuration>
<source>${java.version}</source>
<target>${java.version}</target>
</configuration>
</plugin>
<plugin>
<!-- Provides the application at http://localhost:8080/ using an embedded
Tomcat server with a pre-configured environment referencing the SAP proxy -->
<groupId>org.apache.tomcat.maven</groupId>
<artifactId>tomcat7-maven-plugin</artifactId>
<version>2.2</version>
<configuration>
<port>${maven.tomcat.port}</port>
<path>/</path>
<systemProperties>
<http.proxyHost>${http.proxyHost}</http.proxyHost>
<http.proxyPort>${http.proxyPort}</http.proxyPort>
</systemProperties>
</configuration>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>findbugs-maven-plugin</artifactId>
<version>3.0.2</version>
<executions>
<execution>
<phase>verify</phase>
<goals>
<goal>findbugs</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-pmd-plugin</artifactId>
<version>3.5</version>
<executions>
<execution>
<phase>verify</phase>
<goals>
<goal>pmd</goal>
<goal>cpd</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.18.1</version>
</plugin>
<plugin>
<groupId>org.jacoco</groupId>
<artifactId>jacoco-maven-plugin</artifactId>
<version>0.7.5.201505241946</version>
<executions>
<execution>
<id>default-prepare-agent</id>
<goals>
<goal>prepare-agent</goal>
</goals>
</execution>
<execution>
<id>default-report</id>
<phase>prepare-package</phase>
<goals>
<goal>report</goal>
</goals>
</execution>
<execution>
<id>default-check</id>
<goals>
<goal>check</goal>
</goals>
<configuration>
<rules>
</rules>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
<reporting>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jxr-plugin</artifactId>
<version>2.5</version>
</plugin>
</plugins>
</reporting>
</project>
package com.sap.customerconnect.ads.repositories;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.repository.CrudRepository;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Repository;
import com.sap.customerconnect.ads.models.UsageActivity;
import com.sap.customerconnect.ads.models.UsageActivityPK;
@Component
@Repository
public interface UsageActivityRepository extends JpaRepository<UsageActivity, UsageActivityPK> {
}
package com.sap.customerconnect.ads.repositories;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Repository;
import com.sap.customerconnect.ads.models.CustomerFeedback;
import com.sap.customerconnect.ads.models.CustomerFeedbackPK;
@Component
@Repository
public interface CustomerFeedbackRepository extends JpaRepository<CustomerFeedback, CustomerFeedbackPK>{
}
package com.sap.customerconnect.ads.models;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.IdClass;
import javax.persistence.Table;
@IdClass(UsageActivityPK.class)
@Entity
@Table(name = "UsageActivity")
public class UsageActivity {
@Id
@Column(name = "PRODUCT_ID")
private String ProductId;
@Id
@Column(name = "CUSTOMER_ID")
private String CustomerId;
@Id
@Column(name = "SCREEN_ID")
private String ScreenId;
@Column(name = "GROUP")
private String Group;
@Column(name = "ACTION")
private String Action;
@Column(name = "DESCRIPTION")
private String Description;
@Column(name = "COUNT")
private Integer Count;
public UsageActivity() {
}
public String getProductId() {
return ProductId;
}
public void setProductId(String productId) {
ProductId = productId;
}
public String getCustomerId() {
return CustomerId;
}
public void setCustomerId(String customerId) {
CustomerId = customerId;
}
public String getScreenId() {
return ScreenId;
}
public void setScreenId(String screenId) {
ScreenId = screenId;
}
public String getGroup() {
return Group;
}
public void setGroup(String group) {
Group = group;
}
public String getAction() {
return Action;
}
public void setAction(String action) {
Action = action;
}
public String getDescription() {
return Description;
}
public void setDescription(String description) {
Description = description;
}
public Integer getCount() {
return Count;
}
public void setCount(Integer count) {
Count = count;
}
public UsageActivity(String productId, String customerId, String screenId, String group, String action,
String description, Integer count) {
super();
ProductId = productId;
CustomerId = customerId;
ScreenId = screenId;
Group = group;
Action = action;
Description = description;
Count = count;
}
}
package com.sap.customerconnect.ads.models;
import java.io.Serializable;
import javax.persistence.Column;
import javax.persistence.Embeddable;
@Embeddable
public class UsageActivityPK implements Serializable{
private static final long serialVersionUID = 1L;
@Column(name = "PRODUCT_ID")
private String ProductId;
@Column(name = "CUSTOMER_ID")
private String CustomerId;
@Column(name = "SCREEN_ID")
private String ScreenId;
}
存储库上的POST和GET操作不起作用。