Beginner - How to add EHCache in Spring Boot

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Tom C

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Dec 3, 2018, 12:55:39 PM12/3/18
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This is my first attempt to add caching to Spring - thanks for your patience

Can I please ask if there is an basic guide to adding ehcache to a Spring Boot - Spring Rest, Spring JDBC, Oracle 11g project
Spring Boot 2.0.6
ehcache 3.6.2
JDK 1.8
OS is Win 7 64b

I see a post in the forum by Louis Jacomet - just wondering if this is targeting Boot or Spring traditional

thanks


So far I have added

pom.xml
<dependency>
   <groupId>org.springframework.boot</groupId>
   <artifactId>spring-boot-starter-cache</artifactId>
</dependency>
<dependency>
   <groupId>org.ehcache</groupId>
   <artifactId>ehcache</artifactId>
</dependency>


ehcache.xml
<?xml version="1.0" encoding="UTF-8"?>
<ehcache xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:noNamespaceSchemaLocation="http://www.ehcache.org/ehcache.xsd"
         updateCheck="true"
         monitoring="autodetect"
         dynamicConfig="true">

    <cache name="instruments"
           maxElementsInMemory="100"
           eternal="false"
           overflowToDisk="false"
           timeToLiveSeconds="300"
           timeToIdleSeconds="0"
           memoryStoreEvictionPolicy="LFU"
           transactionalMode="off">
    </cache>

</ehcache>


on the DAO impl class
@Cacheable("staticRoles")
public List<StaticRoleDto> getStaticRoles() {
 ... calls an Oracle procedure


This seems to work but wonder if I am just using the default basic class or ehcache
{do I need to configure a manager }








Chris Dennis

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Dec 3, 2018, 1:33:52 PM12/3/18
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I would encourage you to read the spring documentation here: https://docs.spring.io/spring-boot/docs/current/reference/html/boot-features-caching.html

And also to use Ehcache 3 (through the JSR-107 API) in preference to Ehcache 2.x.

Chris

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Tom C

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Dec 3, 2018, 3:46:13 PM12/3/18
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thanks for your reply and advice Chris - will do

Henri Tremblay

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Dec 3, 2018, 11:09:57 PM12/3/18
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You also have a sample about it.

Please look at:
and

(it uses programmatic configuration, not XML. Because I love programmatic configuration :-)

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Tom C

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Dec 6, 2018, 12:38:57 PM12/6/18
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thanks Henri - will do

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Tom C

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Dec 21, 2018, 10:47:00 AM12/21/18
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Hi

Just trying to follow Louis video and implement a ehcache3 cache manager bean
Its at 3.16 m into the video

I get the message - 
 Cannot resolve  heap(int) - any idea where this method representing ResourcePools comes from  ?

image.png


Alex Snaps

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Dec 21, 2018, 12:14:06 PM12/21/18
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On ResourcePoolsBuilder?



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