I've the following entity class:
#Entity
public class Item {
#Id
private long id;
private String name;
//getters & setters
}
A standard repo:
public interface Repo extends CrudRepository<Item, Long> {}
A simple restController:
#RestController
public class Controller {
#Autowired
private Repo repo;
#GetMapping("1")
public Iterable<Item> getItems1() {
Item item = new Item();
item.setId(1);
item.setName("name1");
repo.save(item);
item = new Item();
item.setId(1);
item.setName("name11");
repo.save(item);
return repo.findAll();
}
#GetMapping("0")
public Iterable<Item> getItems0() {
Item item = new Item();
item.setId(0);
item.setName("name0");
repo.save(item);
item = new Item();
item.setId(0);
item.setName("name00");
repo.save(item);
return repo.findAll();
}
}
Dependencies: spring-boot-starter-web, spring-boot-starter-data-jpa, & com.h2database:h2.
Testing:
curl -si http://localhost:8080/1
HTTP/1.1 200
Content-Type: application/json;charset=UTF-8
Transfer-Encoding: chunked
[{"id":1,"name":"name11"}]
curl -si http://localhost:8080/0
HTTP/1.1 500
Content-Type: application/json;charset=UTF-8
Transfer-Encoding: chunked
Connection: close
{"timestamp":"2019-05-09T16:45:01.734+0000","status":500,"error":"Internal Server Error","message":"A different object with the same identifier value was already associated with the session : [test.Item#0]; nested exception is javax.persistence.EntityExistsException: A different object with the same identifier value was already associated with the session : [test.Item#0]","path":"/0"}
Why does storing with id 1 (or any other id) work & correctly update the entity, while storing with id 0 always fails at the second storage?
I googled the exception and understand it's probably got to do with hibernate thinking it's an uninitialized id? But wasn't able to understand the exact logic on how it got into this exception.
Stack Trace:
javax.persistence.EntityExistsException: A different object with the same identifier value was already associated with the session : [test.Item#0]
at org.hibernate.internal.ExceptionConverterImpl.convert(ExceptionConverterImpl.java:118) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]
at org.hibernate.internal.ExceptionConverterImpl.convert(ExceptionConverterImpl.java:157) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]
at org.hibernate.internal.ExceptionConverterImpl.convert(ExceptionConverterImpl.java:164) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]
at org.hibernate.internal.SessionImpl.firePersist(SessionImpl.java:790) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]
at org.hibernate.internal.SessionImpl.persist(SessionImpl.java:768) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_202]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_202]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_202]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_202]
at org.springframework.orm.jpa.ExtendedEntityManagerCreator$ExtendedEntityManagerInvocationHandler.invoke(ExtendedEntityManagerCreator.java:350) ~[spring-orm-5.0.9.RELEASE.jar:5.0.9.RELEASE]
at com.sun.proxy.$Proxy74.persist(Unknown Source) ~[na:na]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_202]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_202]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_202]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_202]
at org.springframework.orm.jpa.SharedEntityManagerCreator$SharedEntityManagerInvocationHandler.invoke(SharedEntityManagerCreator.java:305) ~[spring-orm-5.0.9.RELEASE.jar:5.0.9.RELEASE]
at com.sun.proxy.$Proxy74.persist(Unknown Source) ~[na:na]
at org.springframework.data.jpa.repository.support.SimpleJpaRepository.save(SimpleJpaRepository.java:490) ~[spring-data-jpa-2.0.10.RELEASE.jar:2.0.10.RELEASE]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_202]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_202]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_202]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_202]
at org.springframework.data.repository.core.support.RepositoryComposition$RepositoryFragments.invoke(RepositoryComposition.java:377) ~[spring-data-commons-2.0.10.RELEASE.jar:2.0.10.RELEASE]
at org.springframework.data.repository.core.support.RepositoryComposition.invoke(RepositoryComposition.java:200) ~[spring-data-commons-2.0.10.RELEASE.jar:2.0.10.RELEASE]
at org.springframework.data.repository.core.support.RepositoryFactorySupport$ImplementationMethodExecutionInterceptor.invoke(RepositoryFactorySupport.java:641) ~[spring-data-commons-2.0.10.RELEASE.jar:2.0.10.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185) ~[spring-aop-5.0.9.RELEASE.jar:5.0.9.RELEASE]
at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.doInvoke(RepositoryFactorySupport.java:605) ~[spring-data-commons-2.0.10.RELEASE.jar:2.0.10.RELEASE]
at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.invoke(RepositoryFactorySupport.java:590) ~[spring-data-commons-2.0.10.RELEASE.jar:2.0.10.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185) ~[spring-aop-5.0.9.RELEASE.jar:5.0.9.RELEASE]
at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:59) ~[spring-data-commons-2.0.10.RELEASE.jar:2.0.10.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185) ~[spring-aop-5.0.9.RELEASE.jar:5.0.9.RELEASE]
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:294) ~[spring-tx-5.0.9.RELEASE.jar:5.0.9.RELEASE]
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:98) ~[spring-tx-5.0.9.RELEASE.jar:5.0.9.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185) ~[spring-aop-5.0.9.RELEASE.jar:5.0.9.RELEASE]
at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:139) ~[spring-tx-5.0.9.RELEASE.jar:5.0.9.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185) ~[spring-aop-5.0.9.RELEASE.jar:5.0.9.RELEASE]
at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:135) ~[spring-data-jpa-2.0.10.RELEASE.jar:2.0.10.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185) ~[spring-aop-5.0.9.RELEASE.jar:5.0.9.RELEASE]
at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92) ~[spring-aop-5.0.9.RELEASE.jar:5.0.9.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185) ~[spring-aop-5.0.9.RELEASE.jar:5.0.9.RELEASE]
at org.springframework.data.repository.core.support.SurroundingTransactionDetectorMethodInterceptor.invoke(SurroundingTransactionDetectorMethodInterceptor.java:61) ~[spring-data-commons-2.0.10.RELEASE.jar:2.0.10.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185) ~[spring-aop-5.0.9.RELEASE.jar:5.0.9.RELEASE]
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:212) ~[spring-aop-5.0.9.RELEASE.jar:5.0.9.RELEASE]
at com.sun.proxy.$Proxy76.save(Unknown Source) ~[na:na]
at test.Controller.getItems0(Controller.java:37) ~[classes/:na] <-- when saving (0, "item00")
Look at the implementation of SimpleJpaRepository.save
#Transactional
public <S extends T> S save(S entity) {
if (entityInformation.isNew(entity)) {
em.persist(entity);
return entity;
} else {
return em.merge(entity);
}
}
Than check AbstractEntityInformation.isNew. It concludes that the entity is new only if its it is null (or 0 for numerical types).
You have 2 options to deal with this situation:
use entityManager.persist or entityManager.merge instead of spring data repository
derive from org.springframework.data.domain.Persistable and implement isNew()
Related
I have been trying to use Spring Data Redis but it fails for queries with List in them and just won't work. I tested it with normal fields such as ID and it works fine without issues, would appreciate it if someone can look at my code, thanks!
I have the following model:
#RedisHash("Flight")
#Data
#NoArgsConstructor
#AllArgsConstructor
public class Flight implements Serializable {
#Id
private String id;
#Indexed
private List<String> dayOfWeek;
}
But when I try to define a query in my repository as follows:
#Repository
public interface FlightRepository extends CrudRepository<Flight, String> {
List<Flight> findFlightsByDayOfWeek(List<String> dayOfWeek);
}
It throws the following exception when called:
Exception in thread "main" org.springframework.core.convert.ConversionFailedException: Failed to convert from type [java.lang.String] to type [byte] for value 'Monday'; nested exception is java.lang.NumberFormatException: For input string: "Monday"
at org.springframework.core.convert.support.ConversionUtils.invokeConverter(ConversionUtils.java:47)
at org.springframework.core.convert.support.GenericConversionService.convert(GenericConversionService.java:192)
at org.springframework.core.convert.support.CollectionToArrayConverter.convert(CollectionToArrayConverter.java:75)
at org.springframework.core.convert.support.ConversionUtils.invokeConverter(ConversionUtils.java:41)
at org.springframework.core.convert.support.GenericConversionService.convert(GenericConversionService.java:192)
at org.springframework.core.convert.support.GenericConversionService.convert(GenericConversionService.java:175)
at org.springframework.data.redis.core.RedisQueryEngine.keys(RedisQueryEngine.java:202)
at org.springframework.data.redis.core.RedisQueryEngine.lambda$doFind$0(RedisQueryEngine.java:102)
at org.springframework.data.redis.core.RedisTemplate.execute(RedisTemplate.java:223)
at org.springframework.data.redis.core.RedisTemplate.execute(RedisTemplate.java:190)
at org.springframework.data.redis.core.RedisTemplate.execute(RedisTemplate.java:177)
at org.springframework.data.redis.core.RedisKeyValueAdapter.execute(RedisKeyValueAdapter.java:597)
at org.springframework.data.redis.core.RedisQueryEngine.doFind(RedisQueryEngine.java:139)
at org.springframework.data.redis.core.RedisQueryEngine.execute(RedisQueryEngine.java:81)
at org.springframework.data.redis.core.RedisQueryEngine.execute(RedisQueryEngine.java:52)
at org.springframework.data.keyvalue.core.QueryEngine.execute(QueryEngine.java:73)
at org.springframework.data.keyvalue.core.AbstractKeyValueAdapter.find(AbstractKeyValueAdapter.java:87)
at org.springframework.data.keyvalue.core.KeyValueTemplate.lambda$find$6(KeyValueTemplate.java:395)
at org.springframework.data.keyvalue.core.KeyValueTemplate.execute(KeyValueTemplate.java:362)
at org.springframework.data.keyvalue.core.KeyValueTemplate.executeRequired(KeyValueTemplate.java:377)
at org.springframework.data.keyvalue.core.KeyValueTemplate.find(KeyValueTemplate.java:393)
at org.springframework.data.keyvalue.repository.query.KeyValuePartTreeQuery.doExecute(KeyValuePartTreeQuery.java:136)
at org.springframework.data.keyvalue.repository.query.KeyValuePartTreeQuery.execute(KeyValuePartTreeQuery.java:110)
at org.springframework.data.repository.core.support.RepositoryMethodInvoker.doInvoke(RepositoryMethodInvoker.java:137)
at org.springframework.data.repository.core.support.RepositoryMethodInvoker.invoke(RepositoryMethodInvoker.java:121)
at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.doInvoke(QueryExecutorMethodInterceptor.java:159)
at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.invoke(QueryExecutorMethodInterceptor.java:138)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)
at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:80)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)
at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:215)
at com.sun.proxy.$Proxy66.findFlightsByDayOfWeek(Unknown Source)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:344)
at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:198)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163)
at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:215)
at com.sun.proxy.$Proxy66.findFlightsByDayOfWeek(Unknown Source)
at com.distributed.airways.Application.initDatabase(Application.java:25)
at com.distributed.airways.Application.main(Application.java:18)
Caused by: java.lang.NumberFormatException: For input string: "Monday"
at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
at java.lang.Integer.parseInt(Integer.java:580)
at java.lang.Byte.parseByte(Byte.java:149)
at java.lang.Byte.valueOf(Byte.java:205)
at java.lang.Byte.valueOf(Byte.java:231)
at org.springframework.util.NumberUtils.parseNumber(NumberUtils.java:205)
at org.springframework.core.convert.support.StringToNumberConverterFactory$StringToNumber.convert(StringToNumberConverterFactory.java:64)
at org.springframework.core.convert.support.StringToNumberConverterFactory$StringToNumber.convert(StringToNumberConverterFactory.java:50)
at org.springframework.core.convert.support.GenericConversionService$ConverterFactoryAdapter.convert(GenericConversionService.java:437)
at org.springframework.core.convert.support.ConversionUtils.invokeConverter(ConversionUtils.java:41)
... 46 more
I've a Spring Boot 2 application. I've a repository using a JdbcTemplate like this:
#RepositoryRestResource(exported = false)
#Repository
public class DatabaseInstanceJdbcRepository {
#Autowired
private JdbcTemplate managementJdbcTemplate;
public Optional<DatabaseInstance> findByTenantId(#Param("tenantId") String tenantId) {
try {
DatabaseInstance dbInstance = managementJdbcTemplate.queryForObject(
"SELECT * FROM DatabaseInstance i INNER JOIN `Database` d ON d.instance_id=i.id JOIN Tenant t ON t.id=d.tenant_id WHERE t.tenantId = ?", new Object[]{tenantId}, new BeanPropertyRowMapper<>(DatabaseInstance.class));
return Optional.of(dbInstance);
} catch (EmptyResultDataAccessException e) {
return Optional.empty();
}
}
My bean DatabaseInstance has the classical audit fields:
#CreatedDate
#Column(nullable = false, updatable = false)
private Instant createdDate;
#LastModifiedDate
private Instant lastModifiedDate;
The method findByTenantI throws this exception:
14/04/2020 17:17:55,366 DEBUG http-nio-8082-exec-2 BeanPropertyRowMapper:301 - Mapping column 'createdDate' to property 'createdDate' of type 'java.time.Instant'
14/04/2020 17:17:55,366 DEBUG http-nio-8082-exec-2 BeanPropertyRowMapper:301 - Mapping column 'lastModifiedBy' to property 'lastModifiedBy' of type 'java.lang.String'
14/04/2020 17:17:55,366 DEBUG http-nio-8082-exec-2 JdbcUtils:238 - JDBC driver has limited support for JDBC 4.1 'getObject(int, Class)' method
java.sql.SQLException: Conversion not supported for type java.time.Instant
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:129) ~[mysql-connector-java-8.0.19.jar:8.0.19]
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:97) ~[mysql-connector-java-8.0.19.jar:8.0.19]
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:89) ~[mysql-connector-java-8.0.19.jar:8.0.19]
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:63) ~[mysql-connector-java-8.0.19.jar:8.0.19]
at com.mysql.cj.jdbc.result.ResultSetImpl.getObject(ResultSetImpl.java:1380) ~[mysql-connector-java-8.0.19.jar:8.0.19]
at com.zaxxer.hikari.pool.HikariProxyResultSet.getObject(HikariProxyResultSet.java) ~[HikariCP-3.4.2.jar:?]
at org.springframework.jdbc.support.JdbcUtils.getResultSetValue(JdbcUtils.java:229) [spring-jdbc-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.jdbc.core.BeanPropertyRowMapper.getColumnValue(BeanPropertyRowMapper.java:378) [spring-jdbc-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.jdbc.core.BeanPropertyRowMapper.mapRow(BeanPropertyRowMapper.java:299) [spring-jdbc-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.jdbc.core.RowMapperResultSetExtractor.extractData(RowMapperResultSetExtractor.java:94) [spring-jdbc-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.jdbc.core.RowMapperResultSetExtractor.extractData(RowMapperResultSetExtractor.java:61) [spring-jdbc-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.jdbc.core.JdbcTemplate$1.doInPreparedStatement(JdbcTemplate.java:679) [spring-jdbc-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:617) [spring-jdbc-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:669) [spring-jdbc-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:700) [spring-jdbc-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:712) [spring-jdbc-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.jdbc.core.JdbcTemplate.queryForObject(JdbcTemplate.java:783) [spring-jdbc-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at cloud.test.management.repositories.dbms.DatabaseInstanceJdbcRepository.findByTenantId(DatabaseInstanceJdbcRepository.java:52) [classes/:?]
at cloud.test.management.repositories.dbms.DatabaseInstanceJdbcRepository$$FastClassBySpringCGLIB$$947b2b1f.invoke(<generated>) [classes/:?]
at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218) [spring-core-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:771) [spring-aop-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163) [spring-aop-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:749) [spring-aop-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:139) [spring-tx-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) [spring-aop-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:749) [spring-aop-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:691) [spring-aop-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at cloud.test.management.repositories.dbms.DatabaseInstanceJdbcRepository$$EnhancerBySpringCGLIB$$c9d12814.findByTenantId(<generated>) [classes/:?]
at cloud.test.management.caching.TenantDbCache.getDbInstance(TenantDbCache.java:52) [classes/:?]
at cloud.test.server.tenants.ConnectionPoolManagerImpl.getDataSource(ConnectionPoolManagerImpl.java:108) [classes/:?]
at cloud.test.server.tenants.ConnectionPoolManagerImpl.getConnection(ConnectionPoolManagerImpl.java:81) [classes/:?]
at cloud.test.server.tenants.MultiTenantConnectionProviderImpl.getConnection(MultiTenantConnectionProviderImpl.java:38) [classes/:?]
at org.hibernate.internal.ContextualJdbcConnectionAccess.obtainConnection(ContextualJdbcConnectionAccess.java:43) [hibernate-core-5.4.12.Final.jar:5.4.12.Final]
at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:104) [hibernate-core-5.4.12.Final.jar:5.4.12.Final]
at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:134) [hibernate-core-5.4.12.Final.jar:5.4.12.Final]
at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getConnectionForTransactionManagement(LogicalConnectionManagedImpl.java:250) [hibernate-core-5.4.12.Final.jar:5.4.12.Final]
at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.begin(LogicalConnectionManagedImpl.java:258) [hibernate-core-5.4.12.Final.jar:5.4.12.Final]
at org.hibernate.resource.transaction.backend.jdbc.internal.JdbcResourceLocalTransactionCoordinatorImpl$TransactionDriverControlImpl.begin(JdbcResourceLocalTransactionCoordinatorImpl.java:246) [hibernate-core-5.4.12.Final.jar:5.4.12.Final]
at org.hibernate.engine.transaction.internal.TransactionImpl.begin(TransactionImpl.java:83) [hibernate-core-5.4.12.Final.jar:5.4.12.Final]
at org.springframework.orm.jpa.vendor.HibernateJpaDialect.beginTransaction(HibernateJpaDialect.java:184) [spring-orm-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:402) [spring-orm-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.transaction.support.AbstractPlatformTransactionManager.startTransaction(AbstractPlatformTransactionManager.java:400) [spring-tx-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:373) [spring-tx-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:572) [spring-tx-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:360) [spring-tx-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:118) [spring-tx-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) [spring-aop-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:749) [spring-aop-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:691) [spring-aop-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at cloud.test.server.security.service.UserDetailsServiceImpl$$EnhancerBySpringCGLIB$$361cb3c2.loadUserByUsername(<generated>) [classes/:?]
at org.springframework.security.authentication.dao.DaoAuthenticationProvider.retrieveUser(DaoAuthenticationProvider.java:108) [spring-security-core-5.2.2.RELEASE.jar:5.2.2.RELEASE]
at org.springframework.security.authentication.dao.AbstractUserDetailsAuthenticationProvider.authenticate(AbstractUserDetailsAuthenticationProvider.java:144) [spring-security-core-5.2.2.RELEASE.jar:5.2.2.RELEASE]
at org.springframework.security.authentication.ProviderManager.authenticate(ProviderManager.java:175) [spring-security-core-5.2.2.RELEASE.jar:5.2.2.RELEASE]
at org.springframework.security.authentication.ProviderManager.authenticate(ProviderManager.java:195) [spring-security-core-5.2.2.RELEASE.jar:5.2.2.RELEASE]
at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter$AuthenticationManagerDelegator.authenticate(WebSecurityConfigurerAdapter.java:511) [spring-security-config-5.2.2.RELEASE.jar:5.2.2.RELEASE]
at cloud.test.server.rest.controllers.security.AuthenticationRestController.createAuthenticationToken(AuthenticationRestController.java:141) [classes/:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_181]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_181]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_181]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_181]
at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:190) [spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138) [spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE]
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:105) [spring-webmvc
I know there is a open issue on JPA (https://github.com/eclipse-ee4j/jpa-api/issues/163): I'm looking for a workaround in order to solve the issue.
add this to your imports.
import java.util.Date;
and,
#CreatedDate
#Column(nullable = false, updatable = false)
private Date createdDate;
#LastModifiedDate
private Date lastModifiedDate;
feel free to ask any questions.
I got the Spring Data JPA starter project from https://spring.io/guides/gs/accessing-data-jpa/. I can create the Customer and CustomerRepository classes and make the Customer entity persist.
However when I add another entity Person and a PersonRepository and try to persist the entity I get an error shown below. It is like within Application.java there is some sort of inner class $1 that Spring data is try to map as an entity.
java.lang.IllegalArgumentException: Unknown entity: hello.Application$1
package hello;
import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.ToString;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
#Entity
#ToString
#NoArgsConstructor
#Data
public class Person {
#Id
#GeneratedValue(strategy = GenerationType.AUTO)
private Long id;
private int age;
}
package hello;
import org.springframework.data.repository.CrudRepository;
public interface PersonRepository extends CrudRepository<Person, Long> {
}
package hello;
import lombok.extern.slf4j.Slf4j;
import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.Bean;
#SpringBootApplication
#Slf4j
public class Application {
public static void main(String[] args) {
SpringApplication.run(Application.class);
}
/*
#Bean
public CommandLineRunner demo(CustomerRepository repository) {
return (args) -> {
repository.save(new Customer("Jack", "Bauer"));
repository.save(new Customer("Chole", "O'Brian"));
repository.save(new Customer("Kim", "Bauer"));
repository.save(new Customer("David", "Palmer"));
repository.save(new Customer("Michelle", "Dessler"));
// fetch all customers
log.info("Customers found with findAll():");
log.info("-------------------------------");
repository.findAll().forEach(c -> log.info(c.toString()));
};
}
*/
#Bean
public CommandLineRunner demo(PersonRepository repository) {
return (args) -> {
repository.save(new Person(){{
setAge(20);
}});
// fetch all customers
log.info("Customers found with findAll():");
log.info("-------------------------------");
repository.findAll().forEach(c -> log.info(c.toString()));
};
}
}
java.lang.IllegalStateException: Failed to execute CommandLineRunner
at org.springframework.boot.SpringApplication.callRunner(SpringApplication.java:782) [spring-boot-2.1.6.RELEASE.jar:2.1.6.RELEASE]
at org.springframework.boot.SpringApplication.callRunners(SpringApplication.java:763) [spring-boot-2.1.6.RELEASE.jar:2.1.6.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:318) [spring-boot-2.1.6.RELEASE.jar:2.1.6.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1213) [spring-boot-2.1.6.RELEASE.jar:2.1.6.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1202) [spring-boot-2.1.6.RELEASE.jar:2.1.6.RELEASE]
at hello.Application.main(Application.java:14) [classes/:na]
Caused by: org.springframework.dao.InvalidDataAccessApiUsageException: Unknown entity: hello.Application$1; nested exception is java.lang.IllegalArgumentException: Unknown entity: hello.Application$1
at org.springframework.orm.jpa.EntityManagerFactoryUtils.convertJpaAccessExceptionIfPossible(EntityManagerFactoryUtils.java:373) ~[spring-orm-5.1.8.RELEASE.jar:5.1.8.RELEASE]
at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:255) ~[spring-orm-5.1.8.RELEASE.jar:5.1.8.RELEASE]
at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.translateExceptionIfPossible(AbstractEntityManagerFactoryBean.java:527) ~[spring-orm-5.1.8.RELEASE.jar:5.1.8.RELEASE]
at org.springframework.dao.support.ChainedPersistenceExceptionTranslator.translateExceptionIfPossible(ChainedPersistenceExceptionTranslator.java:61) ~[spring-tx-5.1.8.RELEASE.jar:5.1.8.RELEASE]
at org.springframework.dao.support.DataAccessUtils.translateIfNecessary(DataAccessUtils.java:242) ~[spring-tx-5.1.8.RELEASE.jar:5.1.8.RELEASE]
at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:153) ~[spring-tx-5.1.8.RELEASE.jar:5.1.8.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.1.8.RELEASE.jar:5.1.8.RELEASE]
at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:138) ~[spring-data-jpa-2.1.9.RELEASE.jar:2.1.9.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.1.8.RELEASE.jar:5.1.8.RELEASE]
at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:93) ~[spring-aop-5.1.8.RELEASE.jar:5.1.8.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.1.8.RELEASE.jar:5.1.8.RELEASE]
at org.springframework.data.repository.core.support.SurroundingTransactionDetectorMethodInterceptor.invoke(SurroundingTransactionDetectorMethodInterceptor.java:61) ~[spring-data-commons-2.1.9.RELEASE.jar:2.1.9.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.1.8.RELEASE.jar:5.1.8.RELEASE]
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:212) ~[spring-aop-5.1.8.RELEASE.jar:5.1.8.RELEASE]
at com.sun.proxy.$Proxy67.save(Unknown Source) ~[na:na]
at hello.Application.lambda$demo$1(Application.java:38) [classes/:na]
at org.springframework.boot.SpringApplication.callRunner(SpringApplication.java:779) [spring-boot-2.1.6.RELEASE.jar:2.1.6.RELEASE]
... 5 common frames omitted
Caused by: java.lang.IllegalArgumentException: Unknown entity: hello.Application$1
at org.hibernate.internal.SessionImpl.firePersist(SessionImpl.java:804) ~[hibernate-core-5.3.10.Final.jar:5.3.10.Final]
at org.hibernate.internal.SessionImpl.persist(SessionImpl.java:785) ~[hibernate-core-5.3.10.Final.jar:5.3.10.Final]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_181]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_181]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_181]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_181]
at org.springframework.orm.jpa.SharedEntityManagerCreator$SharedEntityManagerInvocationHandler.invoke(SharedEntityManagerCreator.java:308) ~[spring-orm-5.1.8.RELEASE.jar:5.1.8.RELEASE]
at com.sun.proxy.$Proxy65.persist(Unknown Source) ~[na:na]
at org.springframework.data.jpa.repository.support.SimpleJpaRepository.save(SimpleJpaRepository.java:507) ~[spring-data-jpa-2.1.9.RELEASE.jar:2.1.9.RELEASE]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_181]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_181]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_181]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_181]
at org.springframework.data.repository.core.support.RepositoryComposition$RepositoryFragments.invoke(RepositoryComposition.java:359) ~[spring-data-commons-2.1.9.RELEASE.jar:2.1.9.RELEASE]
at org.springframework.data.repository.core.support.RepositoryComposition.invoke(RepositoryComposition.java:200) ~[spring-data-commons-2.1.9.RELEASE.jar:2.1.9.RELEASE]
at org.springframework.data.repository.core.support.RepositoryFactorySupport$ImplementationMethodExecutionInterceptor.invoke(RepositoryFactorySupport.java:644) ~[spring-data-commons-2.1.9.RELEASE.jar:2.1.9.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.1.8.RELEASE.jar:5.1.8.RELEASE]
at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.doInvoke(RepositoryFactorySupport.java:608) ~[spring-data-commons-2.1.9.RELEASE.jar:2.1.9.RELEASE]
at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.lambda$invoke$3(RepositoryFactorySupport.java:595) ~[spring-data-commons-2.1.9.RELEASE.jar:2.1.9.RELEASE]
at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.invoke(RepositoryFactorySupport.java:595) ~[spring-data-commons-2.1.9.RELEASE.jar:2.1.9.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.1.8.RELEASE.jar:5.1.8.RELEASE]
at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:59) ~[spring-data-commons-2.1.9.RELEASE.jar:2.1.9.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.1.8.RELEASE.jar:5.1.8.RELEASE]
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:295) ~[spring-tx-5.1.8.RELEASE.jar:5.1.8.RELEASE]
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:98) ~[spring-tx-5.1.8.RELEASE.jar:5.1.8.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.1.8.RELEASE.jar:5.1.8.RELEASE]
at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:139) ~[spring-tx-5.1.8.RELEASE.jar:5.1.8.RELEASE]
... 16 common frames omitted
The error message clearly says you have an unmapped class. You correctly deducted that
It is like within Application.java there is some sort of inner class $1 that Spring data is try to map as an entity.
The inner class in question is defined in your code as a subclass of Person
repository.save(new Person(){{
setAge(20);
}});
The class is an Anonymous Inner Class, with an Instance Initializer block.
See What is an initialization block?
Use the following code to create a new person without subclassing it:
Person p = new Person();
p.setAge(20);
repository.save(p)
I have created in my app one AuditorAware to when I save my entity he automatic set the logged User and date with annotations #CreatedBy and #CreatedDate, so when I save the entity works fine, but When I try to UPDATE I got an java.lang.StackOverflowError
my Class
#Component
#Slf4j
public class SecurityAuditorAware implements AuditorAware<Usuario> {
#Autowired
private UsuarioRepository usuarioRepository;
#Override
public Optional<Usuario> getCurrentAuditor() {
Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
if (authentication == null || !authentication.isAuthenticated()) {
return Optional.empty();
}
return usuarioRepository.findByLogin(((User)authentication.getPrincipal()).getUsername());
}
}
I tried first to load the entity with myRepository.findById(id), and create an empty and setter a existing ID and then in both myRepository.save()
java.lang.StackOverflowError: null
at java.security.AccessController.doPrivileged(Native Method) ~[na:1.8.0_211]
at java.net.URLClassLoader.findClass(URLClassLoader.java:362) ~[na:1.8.0_211]
at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[na:1.8.0_211]
at java.lang.ClassLoader.loadClass(ClassLoader.java:411) ~[na:1.8.0_211]
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349) ~[na:1.8.0_211]
at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[na:1.8.0_211]
at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:153) ~[spring-tx-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:120) ~[spring-data-jpa-2.1.8.RELEASE.jar:2.1.8.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:93) ~[spring-aop-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.data.repository.core.support.SurroundingTransactionDetectorMethodInterceptor.invoke(SurroundingTransactionDetectorMethodInterceptor.java:61) ~[spring-data-commons-2.1.8.RELEASE.jar:2.1.8.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:212) ~[spring-aop-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at com.sun.proxy.$Proxy145.findByLogin(Unknown Source) ~[na:na]
at br.com.anoregrn.rtdpjback.audit.SecurityAuditorAware.getCurrentAuditor(SecurityAuditorAware.java:32) ~[classes/:na]
I am playing with spring boot to build web APIs using #query to get a question(DB table) item from the Question table based on question's description and type.
Code in the Repository:
#Query(
value = "select * from question q where q.description like %:desc% and q.question_type = :type",
nativeQuery = true
)
public Optional<Question> findByDescAndTitle(#Param("desc") String desc,
#Param("type") String type);
Code I Run the method findByDescAndTitle:
/**
*
*/
package com.enmasseQuiz.runners;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.CommandLineRunner;
import org.springframework.stereotype.Component;
import com.enmasseQuiz.models.Question;
import com.enmasseQuiz.repos.QuestionRepo;
/**
* #author leoliu
*
*/
#Component
public class QuizCommandRunner implements CommandLineRunner {
#Autowired
QuestionRepo questionRepo;
#Override
public void run(String... args) throws Exception {
System.out.println("=== Available services: ");
for (Question q: this.questionRepo.findAll()) {
System.out.println(q);
}
System.out.println(this.questionRepo.findByDescAndTitle("MVP", "mcq"));
}
}
But when I try to run, it always give me the NullPointerException error:
java.lang.IllegalStateException: Failed to execute CommandLineRunner
at org.springframework.boot.SpringApplication.callRunner(SpringApplication.java:800) [spring-boot-2.0.3.RELEASE.jar:2.0.3.RELEASE]
at org.springframework.boot.SpringApplication.callRunners(SpringApplication.java:781) [spring-boot-2.0.3.RELEASE.jar:2.0.3.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:335) [spring-boot-2.0.3.RELEASE.jar:2.0.3.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1255) [spring-boot-2.0.3.RELEASE.jar:2.0.3.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1243) [spring-boot-2.0.3.RELEASE.jar:2.0.3.RELEASE]
at com.enmasseQuiz.EnmasseQuizApplication.main(EnmasseQuizApplication.java:16) [main/:na]
Caused by: java.lang.NullPointerException: null
at java.lang.String$CaseInsensitiveComparator.compare(String.java:1192) ~[na:1.8.0_111]
at java.lang.String$CaseInsensitiveComparator.compare(String.java:1186) ~[na:1.8.0_111]
at java.util.TreeMap.getEntryUsingComparator(TreeMap.java:376) ~[na:1.8.0_111]
at java.util.TreeMap.getEntry(TreeMap.java:345) ~[na:1.8.0_111]
at java.util.TreeMap.get(TreeMap.java:278) ~[na:1.8.0_111]
at com.mysql.jdbc.ResultSetImpl.findColumn(ResultSetImpl.java:1054) ~[mysql-connector-java-5.1.46.jar:5.1.46]
at com.mysql.jdbc.ResultSetImpl.getString(ResultSetImpl.java:5177) ~[mysql-connector-java-5.1.46.jar:5.1.46]
at com.zaxxer.hikari.pool.HikariProxyResultSet.getString(HikariProxyResultSet.java) ~[HikariCP-2.7.9.jar:na]
at org.hibernate.type.descriptor.sql.VarcharTypeDescriptor$2.doExtract(VarcharTypeDescriptor.java:62) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]
at org.hibernate.type.descriptor.sql.BasicExtractor.extract(BasicExtractor.java:47) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]
at org.hibernate.type.AbstractStandardBasicType.nullSafeGet(AbstractStandardBasicType.java:261) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]
at org.hibernate.type.AbstractStandardBasicType.nullSafeGet(AbstractStandardBasicType.java:257) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]
at org.hibernate.type.AbstractStandardBasicType.nullSafeGet(AbstractStandardBasicType.java:253) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]
at org.hibernate.loader.Loader.getInstanceClass(Loader.java:1808) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]
at org.hibernate.loader.Loader.instanceNotYetLoaded(Loader.java:1633) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]
at org.hibernate.loader.Loader.getRow(Loader.java:1562) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]
at org.hibernate.loader.Loader.getRowFromResultSet(Loader.java:732) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]
at org.hibernate.loader.Loader.processResultSet(Loader.java:991) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]
at org.hibernate.loader.Loader.doQuery(Loader.java:949) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]
at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:341) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]
at org.hibernate.loader.Loader.doList(Loader.java:2692) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]
at org.hibernate.loader.Loader.doList(Loader.java:2675) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]
at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2507) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]
at org.hibernate.loader.Loader.list(Loader.java:2502) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]
at org.hibernate.loader.custom.CustomLoader.list(CustomLoader.java:335) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]
at org.hibernate.internal.SessionImpl.listCustomQuery(SessionImpl.java:2200) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]
at org.hibernate.internal.AbstractSharedSessionContract.list(AbstractSharedSessionContract.java:1016) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]
at org.hibernate.query.internal.NativeQueryImpl.doList(NativeQueryImpl.java:152) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]
at org.hibernate.query.internal.AbstractProducedQuery.list(AbstractProducedQuery.java:1414) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]
at org.hibernate.query.internal.AbstractProducedQuery.getSingleResult(AbstractProducedQuery.java:1463) ~[hibernate-core-5.2.17.Final.jar:5.2.17.Final]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_111]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_111]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_111]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_111]
at org.springframework.orm.jpa.SharedEntityManagerCreator$DeferredQueryInvocationHandler.invoke(SharedEntityManagerCreator.java:380) ~[spring-orm-5.0.7.RELEASE.jar:5.0.7.RELEASE]
at com.sun.proxy.$Proxy110.getSingleResult(Unknown Source) ~[na:na]
at org.springframework.data.jpa.repository.query.JpaQueryExecution$SingleEntityExecution.doExecute(JpaQueryExecution.java:214) ~[spring-data-jpa-2.0.8.RELEASE.jar:2.0.8.RELEASE]
at org.springframework.data.jpa.repository.query.JpaQueryExecution.execute(JpaQueryExecution.java:91) ~[spring-data-jpa-2.0.8.RELEASE.jar:2.0.8.RELEASE]
at org.springframework.data.jpa.repository.query.AbstractJpaQuery.doExecute(AbstractJpaQuery.java:136) ~[spring-data-jpa-2.0.8.RELEASE.jar:2.0.8.RELEASE]
at org.springframework.data.jpa.repository.query.AbstractJpaQuery.execute(AbstractJpaQuery.java:125) ~[spring-data-jpa-2.0.8.RELEASE.jar:2.0.8.RELEASE]
at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.doInvoke(RepositoryFactorySupport.java:590) ~[spring-data-commons-2.0.8.RELEASE.jar:2.0.8.RELEASE]
at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.invoke(RepositoryFactorySupport.java:578) ~[spring-data-commons-2.0.8.RELEASE.jar:2.0.8.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185) ~[spring-aop-5.0.7.RELEASE.jar:5.0.7.RELEASE]
at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:59) ~[spring-data-commons-2.0.8.RELEASE.jar:2.0.8.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185) ~[spring-aop-5.0.7.RELEASE.jar:5.0.7.RELEASE]
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:294) ~[spring-tx-5.0.7.RELEASE.jar:5.0.7.RELEASE]
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:98) ~[spring-tx-5.0.7.RELEASE.jar:5.0.7.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185) ~[spring-aop-5.0.7.RELEASE.jar:5.0.7.RELEASE]
at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:139) ~[spring-tx-5.0.7.RELEASE.jar:5.0.7.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185) ~[spring-aop-5.0.7.RELEASE.jar:5.0.7.RELEASE]
at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:135) ~[spring-data-jpa-2.0.8.RELEASE.jar:2.0.8.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185) ~[spring-aop-5.0.7.RELEASE.jar:5.0.7.RELEASE]
at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92) ~[spring-aop-5.0.7.RELEASE.jar:5.0.7.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185) ~[spring-aop-5.0.7.RELEASE.jar:5.0.7.RELEASE]
at org.springframework.data.repository.core.support.SurroundingTransactionDetectorMethodInterceptor.invoke(SurroundingTransactionDetectorMethodInterceptor.java:61) ~[spring-data-commons-2.0.8.RELEASE.jar:2.0.8.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185) ~[spring-aop-5.0.7.RELEASE.jar:5.0.7.RELEASE]
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:212) ~[spring-aop-5.0.7.RELEASE.jar:5.0.7.RELEASE]
at com.sun.proxy.$Proxy102.findByDescAndTitle(Unknown Source) ~[na:na]
at com.enmasseQuiz.runners.QuizCommandRunner.run(QuizCommandRunner.java:30) ~[main/:na]
at org.springframework.boot.SpringApplication.callRunner(SpringApplication.java:797) [spring-boot-2.0.3.RELEASE.jar:2.0.3.RELEASE]
... 5 common frames omitted
I am using Java 8 and Spring boot 2 with Gradle. Being searching for couple of days but not one seems to mention this error:
CaseInsensitiveComparator
EnmasseQuizApplication.java:
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
#SpringBootApplication
#Configuration
#ComponentScan
#EnableAutoConfiguration
public class EnmasseQuizApplication {
public static void main(String[] args) {
SpringApplication.run(EnmasseQuizApplication.class, args);
}
}
The database table is simple like following:
database schema
I am pretty new to Spring boot framework, and don't know how to debug this issue. It is really appreciated if someone can help out.