74 questions
0
votes
0
answers
16
views
How to use org.redisson.codec.JsonJacksonCodec in Redisson for custom object serialization and deserialization?
I am using Redisson in my project to interact with Redis. I want to use org.redisson.codec.JsonJacksonCodec for serializing and deserializing my custom objects.
However, when I configure Redisson with ...
- 1
0
votes
0
answers
23
views
Hibernate Infinispan second level cache StackOverflowError
Is there a way to prevent the error in case of hierarchical (single table inheritance) entity model with lots of circular dependency e.g
class A extends BaseClass {
@ManyToOne(fetch = FetchType.LAZY)...
- 191
0
votes
2
answers
31
views
env variable not loading in properties file
I am trying to add a conditional yaml config file in a properties file but it's not able to read the env variable
hibernate.cache.redisson.config=redisson-${REDIS_MODE}.yaml
it is giving error
...
1
vote
1
answer
541
views
Errors running builder 'CDI (Contexts and Dependency Injection)
Am using Eclipse with JBoss Tools to develop JSF 2.3 & JPA 2.2 based web application for Apache TomEE 8.0.16 server with Hibernate as JPA implementation. My project has many drop down menus and ...
- 175
0
votes
0
answers
23
views
Why does JPA not use the 1st level cache for this query?
I've got the below two queries.These queries are more or less the same - the only difference is that the second query also does a left join on a collection to fetch that collection.
When I try to ...
- 5,388
1
vote
0
answers
66
views
Spring Data JPA: Hibernate Query Cache is invalidated even if unrelated records are added, modified or deleted
Hibernate Query Cache is getting invalidated even if unrelated record is added, deleted or modified.
Entity
@Entity
@Cache(region = "book", usage = CacheConcurrencyStrategy.READ_WRITE)
...
- 69
0
votes
2
answers
3k
views
hibernate v6, caching | XmlConfigurationException: Error parsing XML configuration
I have a working hibernate v6 project and want to add caching, but I can't get it working.
I get this error (reduced)
Exception in thread "main" java.lang.IllegalStateException: Cache ...
1
vote
2
answers
458
views
Unable to create requested service [org.hibernate.cache.spi.CacheImplementor] Hibernate Cache in Spring Boot
I am trying to hibernate cache in Spring dao layer. I get an error when I add the ehcache dependency.
application.properties
spring.jpa.properties.hibernate.cache.use_second_level_cache=true
spring....
- 733
-1
votes
1
answer
703
views
The entity field value is updated after exception throwing and transaction rollback
I have developed a test project to reproduce this issue.
This is a project structure:
pom.xml file:
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://...
6
votes
2
answers
5k
views
Hibernate cache vs spring cache
Can anybody explain what is the difference between hibernate second level cache vs spring cache.?
Does it make sense to use both in single application? If it is not recommend then when to use which ...
- 111
1
vote
1
answer
2k
views
Hibernate cache levels 1 and 2 [duplicate]
What is the difference between 1st level and 2nd level caching in Hibernate ?
Hi, I am learning Hibernate. I read some docs about 1st and 2nd level caching. What is the difference between them ? Its ...
0
votes
1
answer
151
views
Does EntityManager.getReference() matter if the entity is @Cached/@Cacheable?
Say I want to update entity A which references B but B is a big entity.
If B is not a cached entity (2nd-level), I normally do a getReference() if I have access to B's PK to avoid the extra SELECT ...
- 5,304
0
votes
1
answer
670
views
Is putting @Cacheable or @Cache above the Entity enough for Hibernate to start caching?
Is it enough and Hibernate checks methods automatically that are doing stuff with that entity and updates the cache?
Or @Cacheable, @CachePut, @CacheEvict annotations above methods are mandatory for a ...
user16613329
1
vote
0
answers
24
views
Upgradation of Hibernate version to 4.0.0 from 3.x
Using jSpaces-1.0.jar to implement Gigaspaces as second level cache. Till, Hibernate 3.6 v it is working fine. When upgrading the version to 4.0, many cache related classes are depricated. How to ...
- 11
0
votes
1
answer
659
views
Hibernate L2 cache issues with EntityGraph and LEFT JOIN FETCH queries
I'm using hibernate 5.3.14 with hazelcast 3.11.5 as L2 cache provider and spring boot 2.1.11.
I have 3 entities defined with relations:
one order has many order items
one order has many custom fields
...
- 3
1
vote
2
answers
1k
views
LazyInitializationException when fetching @EntityGraph from Hibernate 2-nd level cache
I'm developing a Spring Boot 2.3.4 web application with Spring Data JPA.
I want to use the Hibernate 2-nd level query cache for a repository method with @EntityGraph. However, I get a ...
0
votes
0
answers
301
views
caching relations mapped by other entity
I'm trying to cache some of my entities that only get changed when the server is down. Here is an example:
@Entity
@Cache(usage=CacheConcurrencyStrategy.READ_ONLY)
public class Season {
@Cache(...
- 1,552
0
votes
1
answer
477
views
Where does external caches like ehcache / redis fit w.r.t hibernate level 1 / level 2 caches?
Hibernate (and so JPA which is wrapper on hibernate) provides two levels of caching mechanisms.
a) level 1 cache which is at session object layer/level
b) level 2 cache which is at session factory ...
user14305942
0
votes
1
answer
575
views
Spring Boot Application and Hazelcast NearCache
I am trying to use Hazelcast caching with Spring Boot, having read some documentation I decided to settle for Near Cache configurations, I would like to cache some method calls and use it for ...
- 367
0
votes
0
answers
408
views
Natural ID with Hibernate Second Level Cache
I am working on a Spring boot project where i am using Hibernate as ORM. I have enabled Hibernate Second Level Caching.
I have an entity called Country. In country i have a natural Id and i have ...
- 169
2
votes
1
answer
929
views
Hibernate query cache doesn't work when criteria implies date
I have the following query:
public List<SomeEntity> findArticlesById(String id) {
final CriteriaBuilder criteriaBuilder = entityManager.getCriteriaBuilder();
final CriteriaQuery<...
- 1,871
5
votes
0
answers
463
views
Hibernate Second level cache doesn't work for OneToOne associations
I am trying to enable Hibernate's 2nd level cache but cannot avoid multiple queries being issued for OneToOne relations.
My models are:
@Entity
@Cache(usage = CacheConcurrencyStrategy.READ_WRITE)
...
- 747
1
vote
0
answers
171
views
Hibernate Returns Wrong List From Cache Even Expected List is Different Than the Cached One
In the code below if I don't clear current session, just the number of girls is returned from the method even if I want to return number of all children of this parent.
It's clearly seen that parent ...
- 3,539
0
votes
0
answers
318
views
Infinispan - Hibernate 2nd Level Cache Cluster Marshaling issue
We are trying to configure infinispan as the 2nd level cache for Hibernate in Jboss EAP 7.1 and run the jboss in clustered two node setup.
Lookup for cache elements works, but if we update hibernate ...
- 81
1
vote
0
answers
49
views
query by example result caching using spring boot 2 hibernate 5
I have a table with lot of columns (almost 70) and rows (1.4 Million). However the data gets updated very rarely.
I want to cache the table entities for faster queries. Queries can be of any ...
- 455
1
vote
0
answers
2k
views
How to reference a class file located inside a spring boot maven JAR file in spring boot's application.property file
I have a Spring Boot Camel project which uses Hibernate and its L2 cache system enabled. The L2 Cache provider I used is Redis and the application connects through Spring Redission starter.
I ...
1
vote
1
answer
394
views
Hibernate 2nd level cache not working with GORM 6.1.11
Issue:
I have a criteria query where Hibernate's 2nd level cache is used in using cache(true):
User user = User.createCriteria().get {
eq("id", 1l)
cache(true)
}
When this code is hit two ...
- 25.8k
0
votes
2
answers
1k
views
Circuit-break L2 cache in Hibernate in case of redis connection issues
I am using redisson-hibernate as Hibernate 2nd level Cache provider. If redis server becomes unavailable, while the application is running, the whole application goes down. I am trying to find a way ...
- 83
1
vote
1
answer
95
views
Which existing entity will be evicted from cache by hibernate before adding the new entity into cache when cache memory is full?
I am setting up EHCache in hibernate project. What happens if the cache got full? Suppose there all the entities are valid in the cache and hibernate wants to add the new entity into it. Then which ...
- 188
1
vote
0
answers
434
views
Hibernate caching not working for inverse side of one-to-one relationship
I tried googling this and found a possible duplicate of the question, but I cannot preview it: https://stackoverflow.com/questions/49344593/inverse-side-one-to-one-relationship-caching-not-working
...
- 432
1
vote
1
answer
565
views
EhCache 2.10.x is very heavy
Using Maven, I updated our Hibernate version to 5.x and it comes now transitive with EhCache 2.10.x. This version is very heavy (about 10 Mb). This is annoying in a small application. The JAR includes ...
- 11.6k
0
votes
1
answer
400
views
Grails return just id of entity
I have an entity Product and inside of entity, i have Contry entity.
When i execute Product.find or Product.get and get country value, my country values has just id value, but in country entity i ...
- 123
1
vote
2
answers
1k
views
JPA cache behaviour when invoke count() method on Spring Data JPA Repository
I'm writing a transactional junit-based IT test for Spring Data JPA repository.
To check number of rows in table I use side JDBCTemplate.
I notice, that in transactional context invoking of org....
- 7,474
1
vote
1
answer
702
views
is it necessary for query caching region to be same as entity caching region
in my project i have enabled hibernate query caching (using ehcache) and 2nd level entity caching for some of the entities . also in the documentation it is mentioned that query caching does not store ...
- 313
0
votes
1
answer
146
views
shared infinispan 2LC cache
I have two applications using same database entities. Both applications are deployed on jboss eap 6.2 separate clusters.
DB tables are updated only from one application but are read from both ...
- 104
1
vote
1
answer
190
views
How to enable JMX statistics for infinispan 2LC in Jboss EAP 6.2
I have enabled 2LC in my application deployed over JBoss EAP 6.2 using infinispan.
I want to measure performance gain and want to enable JMX statistics for infinispan to see cache hits/misses etc.
In ...
- 104
2
votes
1
answer
468
views
Why we are getting exception when we enable the query-cache in hibernate.cfg.xml file by use hibernate 5.3.1.Final dependency?
I created a small second level cache program by using 'hibernate 5.3.1.final' dependency.I used below dependencies to work with Second level cache.
<dependency>
<groupId>org.hibernate&...
0
votes
0
answers
292
views
Hibernate return last fetch and modified object instead fetch new one
my problem is this. ill try to make it simple.
I am using spring data jpa +spring boot (hibernate config) with mysql.
I have a class (entity) like this.
public class A {
@EmbeddedId
Aid id;
@...
- 319
1
vote
1
answer
535
views
Access database by hibernate from multiple JVM instances
My application is running in multiple JVM instances (in separate docker containers).
The application uses hibernate (and spring-data-jpa) to access the single database (MySQL) instance.
Do I need to ...
- 3,299
2
votes
0
answers
315
views
Hibernate first level cache when using projection
Hibernate uses first level cache by default and cache the queries or i say entities for a session.
But what about projection. Lets say i have fired a join query from 3 table and get a small ...
- 2,348
12
votes
2
answers
899
views
Apache Ignite hangs on startup
We use apache ignite v2.2 as hibernate 2nd level cache in grails application. We have 4 nodes cluster with 10G RAM each. The first node starts ok. But subsequent hangs. Sometimes 2nd sometimes 3rd or ...
- 121
1
vote
0
answers
107
views
Hibernate caching on dynamic changing parameters
I have a sample hibernate sql statement as below. As this query has three bind parameters which will vary for different criterias, Would PostComment Entity be eligible for ehcache in Hibernate? please ...
- 855
2
votes
1
answer
4k
views
Another unnamed CacheManager already exists when using Hibernate L2 ehcache and spring boot enabledCache
I have an application that have more than 100 domain model i want to integrate ehcache and hibernate L2cache ,my application used ehcache for cache some of service s methods . my CacheConfiguration is ...
- 2,281
0
votes
1
answer
335
views
How to handle Hibernate cache when I have 2 applications with different DAO implementations
I have two web applications uses the same database
Management web app which responsible to modify the system configurations on the database.
Business web app which responsible to serve the users ...
- 223
0
votes
1
answer
594
views
How to resolve hibernate caching exception
I can see caching exception sometimes only, I am not able to reproduce as well.
So just wanted to know how shall I proceed.
We are using Jboss As 5.1 and Hibernate 3.3.2.GA version
We have an entity ...
- 1,237
2
votes
0
answers
211
views
ecache configuration in spring throws: "Named query not known Error"
Trying to run a unit test on a Dao in my Spring app
I'm getting error: Named query not known.
Actually I'm trying to implement cache with spring 4.2.
Here is the code that is relevant to the ...
- 255
2
votes
1
answer
306
views
Does Session.list() method use session cache in hibernate?
Does Hibernate cache the results get from Session.list()?
What my believe is session.get() or session.load() method cache the result in the memory but session.list() doesn't as it generate lots of ...
- 450
1
vote
0
answers
717
views
hibernate second level cache can get lazy-loading entity when i set breakpoint
I use Spring data JPA and hibernate second level cache via hibernate-redis in my project. I use @Transactional for lazy-loading, But it hints miss when I run application. if i debug it, and set a ...
- 11
0
votes
1
answer
2k
views
Doesn't session.get() in hibernate always hit the database?
Theoretically, session.get() method is supposed to hit the database always, no matter whether the entity is stored in the cache or not. But whenever I use session.get() or session.load(), both doesn't ...
user5445747
7
votes
1
answer
12k
views
Ehcache migration from 2.6 to 3.00
I am trying to upgrade Ehcache for my Project from 2.6 to 3.0 version.
Any replacement for net.sf.ehcache.Element and CacheExceptionHandler.
Less documentation on Ehcache 3, Can anyone give some ...
- 1,871