javax.persistence | repository contains source for the Java Persistence API
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kandi X-RAY | javax.persistence Summary
This repository contains source for the Java Persistence API, and may contain code based upon draft specifications.
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QUESTION
I use Spring-Data-JDBC (not JPA) and want to set the fetch-size.
I know that the the classic org.springframwork.jdbc.core.JdbcTemplate
has a setFetchSize(int)
method, but I have Spring-Data-JDBC repository:
ANSWER
Answered 2022-Apr-15 at 14:09You can create NamedParameterJdbcTemplate
using custom JdbcTemplate
.
QUESTION
i've been writing wirting a program in Spring Boot Web with JPA and i'm using a query to access some data with a 'contains' and 'ignorecase' filter, i've done this before in other programs and it has worked fine, but now i'm getting this error, i'm completely lost at this point since i can't find anything in google, i went really far down the rabbit hole looking as to why it happens and so far i don't see anything out of place in my code, the type of variable declared seems to be okay but as i've said, i'm lost. It's important to mention that for some reason when I do the query on my website for the first time, everything works fine, i get the proper results and all, but when I go back to home and try with another query (or even the same) i get the error. Code below:
Model
...ANSWER
Answered 2022-Mar-28 at 15:19According to the Spring Data JPA issue #2472 this seems to be a problem in Hibernate 5.6.6 and 5.6.7.
The Hibernate bug is HHH-15142.
The solution is to either downgrade to Hibernate 5.6.5 or wait for a Hibernate patch to solve this issue.
QUESTION
I have seen various post describing that JPA EntityGraph allows to choose the graph at run time. And I am not entirely clear what this refers to.
Out of good faith and respect I would like to take this helpful article for reference: https://www.baeldung.com/jpa-entity-graph. (Most of JPA users might have gone through it already.)
The article quotes -
EntityGraph allows grouping the related persistence fields which we want to retrieve and lets us choose the graph type at runtime.
and again solidifies above statement in conclusion section.
In this article, we've explored using the JPA Entity Graph to dynamically fetch an Entity and its associations.
The decision is made at runtime in which we choose to load or not the related association.
As we see in the article (5.1) - EntityGraphs are defined as below using Annotations-
5.1. Defining an Entity Graph with Annotations
ANSWER
Answered 2022-Feb-18 at 15:54In the Baeldung article, Section 5 is only about various ways to define a graph with not much emphasis on the dynamic/non-dynamic nature of the definition itself.
In Section 5.1 the definition of the graph is static but this section is only about demonstrating how to define a graph which then will be used in typical cases when building the graph dynamically is not really necessary. This section shows an alternative to the older way of building HQL / JPA-QL queries with JOIN FETCH sections.
QUESTION
This worked fine for me be building under Java 8. Now under Java 17.01 I get this when I do mvn deploy.
mvn install works fine. I tried 3.6.3 and 3.8.4 and updated (I think) all my plugins to the newest versions.
Any ideas?
...ANSWER
Answered 2022-Feb-11 at 22:39Update: Version 1.6.9 has been released and should fix this issue! 🎉
This is actually a known bug, which is now open for quite a while: OSSRH-66257. There are two known workarounds:
1. Open ModulesAs a workaround, use --add-opens
to give the library causing the problem access to the required classes:
QUESTION
Edited:
I am trying to get the data by filtering it by dates, But I am getting the following error. I am accepting date in LocalDateTimeFormat
. However, the type of created_date
is Instant
in JPA entity. I cannot change the type in entity because it might break other APis
ANSWER
Answered 2022-Jan-25 at 15:26As you can see in your stacktrace, the error is related to the conversion between the value you provided 2021-12-23T13:00
to Instant
, probably when Spring Data executes the JPA Criteria query you created in your Specification
.
To solve the problem you could try manually converting from LocalDateTime
to Instant
in your Specification
code - I assume that both transactionSearchCriteria.getFromDate()
and transactionSearchCriteria.getToDate()
are String
. For example:
QUESTION
Problem when mapping an entity with a geometric field Geometry Point. When accessing the table repository, using the standard function findAll() getting "null" , although there are records in the database.When configuring, I used the official manual Hybernate Spatial. I get an error when requesting a controller: " exception is org.geolatte.geom.codec.WkbDecodeException: Expected geometryKeyword starting at position: 0] with root cause" Help me please , I do not know how to act and what is the reason
My config:
- Hibernate (5.4.32.Final)
- Hibernate Spatial (5.4.32.Final)
- Posgis (version 2.5)
- PostgreSQL 10.17
Entity:
...ANSWER
Answered 2021-Jul-24 at 21:30Try switching the column in database for location from type of point
to type geometry
Also use all the following properties
QUESTION
I need to create an endpoint that returns the census data by state with the listing of cities, I currently get this using two endpoints.
Current response:
Custom query one: censusByState
ANSWER
Answered 2022-Jan-09 at 10:14You can create a new class StateCityCensusDto
then also return stateId
in your query for censusCitiesByState
QUESTION
Earlier my Interceptor code was working fine for Hibernate 3. After I upgraded to Hibernate 5 and made the necessary changes, callback methods like onSave & onFlushDirty stopped working.
Regarding library changes, below Hibernate 3 jars I replaced with Hibernate 5 jars.
Hibernate 3 jars replaced-
- dom4j.jar
- hibernate-core-4.3.5.Final.jar
- hibernate-jpa-2.1-api-1.0.0.Final.jar
- jboss-logging.jar
Hibernate 5 jars added-
- byte-buddy-1.9.5.jar
- classmate-1.3.4.jar
- dom4j-2.1.1.jar
- hibernate-commons-annotations-5.1.0.Final.jar
- hibernate-core-5.4.1.Final.jar
- javax.persistence-api-2.2.jar
- javax.transaction.jar
- jboss-logging-3.3.2.Final.jar
Below is my Interceptor code-
...ANSWER
Answered 2021-Dec-28 at 05:27Could you please try with the following:
QUESTION
I just downloaded activiti-app from github.com/Activiti/Activiti/releases/download/activiti-6.0.0/…
and deployed in tomcat9, but I have this errors when init the app:
ANSWER
Answered 2021-Dec-16 at 09:41Your title says you are using Java 9. With Activiti 6 you will have to use JDK 1.8 (Java 8).
QUESTION
I need to return a DTO response with the entity's statistics, I can return the statistics using an interface, like this:
Current response:
...ANSWER
Answered 2021-Dec-15 at 00:58Just create a CustomerStatsResponseDto
that match your wanted JSON and that accepts a CustomerStatsResponse
in its constructor:
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Install javax.persistence
You can use javax.persistence like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the javax.persistence component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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