I am working on monolithic application in which there are some custom entities . When I access the H2 Console via Administration tab . It causes the app to restart when I click the connect button . I am not able to understand why this is happening . Can anyone help me to figure it out .
In logs :
DEBUG 971 --- [ Thread-51] com.mydomain.mytable1 : close successful.
DEBUG 971 --- [ Thread-51] com.mydomain.mytable2 : close successful.
DEBUG 971 --- [ Thread-51] com.mydomain.mytable3 : close successful.
.
.
This is causing an issue to access the database via console although , there is no issue while accessing API . Executing queries also result in localhost refused to connect . I am new to jHipster and H2.
Configuration :
spring:
profiles:
active: dev
include: swagger
devtools:
restart:
enabled: true
livereload:
enabled: false # we use gulp + BrowserSync for livereload
jackson:
serialization.indent_output: true
datasource:
type: com.zaxxer.hikari.HikariDataSource
url: jdbc:h2:file:./target/h2db/db/mydatabase;DB_CLOSE_DELAY=-1
username: frothers
password:
h2:
console:
enabled: false
jpa:
database-platform: io.github.jhipster.domain.util.FixedH2Dialect
database: H2
show-sql: true
properties:
hibernate.id.new_generator_mappings: true
hibernate.cache.use_second_level_cache: true
hibernate.cache.use_query_cache: false
hibernate.generate_statistics: true
hibernate.cache.region.factory_class: io.github.jhipster.config.jcache.NoDefaultJCacheRegionFactory
Why disabling the h2 console if you want to access it?
h2:
console:
enabled: false
Just turn enabled to true.
Related
using spring boot + with Derby depedency, and with below configuration. dont see scripts getting loaded
datasource:
url: jdbc:derby:memory:testdb;create=true
driverClassName: org.apache.derby.jdbc.EmbeddedDriver
username: app
#password:
generate-unique-name: false
continue-on-error: false
#schema: sql/initial-schema.sql
initialization-mode: always
data: sql/initial-data.sql
#schema: classpath:initial-schema.sql
#data: classpath:initial-data.sql
jpa:
defer-datasource-initialization: true
database-platform: org.hibernate.dialect.DerbyTenSevenDialect
generate-ddl: true
database: default
show-sql: true
hibernate:
naming:
strategy: org.hibernate.boot.model.naming.ImplicitNamingStrategyJpaCompliantImpl
ddl-auto: **update**
I have a springboot based microservice application.
id 'org.springframework.boot' version '2.5.4'
id 'io.spring.dependency-management' version '1.0.11.RELEASE'
id "com.palantir.docker" version "0.26.0"
id "com.palantir.docker-run" version "0.26.0"
id 'pl.allegro.tech.build.axion-release' version '1.13.2'
Database is mysql5.7 aurora rds
'mysql', name: 'mysql-connector-java', version: '8.0.28'
hikaricp - 4.0.3
I am witnessing one strange surge in cpu utilisation stats on RDS performance insight dashboard is that even when there are no requests on my app server, mysql still shows high cpu utilization.
Here are the screen shots:
we can observe from the logs that there are no requests on server but when the connection passes its max life, surge in cpu utilization on RDS aurora mysql:
"connection has passed maxLifetime" -> and the top sql shows set autocommit = 0 is the highest number of queries being fired.
Here are my configurations:
application.yml
spring:
application:
name: catalogue
profiles:
# The commented value for `active` can be replaced with valid Spring profiles to load.
# Otherwise, it will be filled in by gradle when building the JAR file
# Either way, it can be overridden by `--spring.profiles.active` value passed in the commandline or `-Dspring.profiles.active` set in `JAVA_OPTS`
active: dev
group:
dev:
- dev
- api-docs
# Uncomment to activate TLS for the dev profile
#- tls
prod:
- prod
- api-docs
# Uncomment to activate TLS for the dev profile
#- tls
stage:
- stage
jmx:
enabled: false
data:
web:
pageable:
default-page-size: 20
max-page-size: 20
jpa:
repositories:
bootstrap-mode: deferred
jpa:
open-in-view: false
properties:
hibernate.jdbc.time_zone: UTC
hibernate.id.new_generator_mappings: true
hibernate.connection.provider_disables_autocommit: true #https://vladmihalcea.com/why-you-should-always-use-hibernate-connection-provider_disables_autocommit-for-resource-local-jpa-transactions/
hibernate.cache.use_second_level_cache: true
hibernate.cache.region.factory_class: org.hibernate.cache.ehcache.EhCacheRegionFactory
hibernate.cache.use_query_cache: false
hibernate.javax.cache.missing_cache_strategy: create
# modify batch size as necessary
hibernate.jdbc.batch_size: 20
hibernate.order_inserts: true
hibernate.order_updates: true
hibernate.batch_versioned_data: true
hibernate.query.fail_on_pagination_over_collection_fetch: true
hibernate.query.in_clause_parameter_padding: true
hibernate.dialect: org.hibernate.dialect.MySQL5InnoDBDialect
javax.persistent.sharedCache.mode: ENABLE_SELECTIVE
hibernate:
ddl-auto: none
naming:
physical-strategy: org.springframework.boot.orm.jpa.hibernate.SpringPhysicalNamingStrategy
implicit-strategy: org.springframework.boot.orm.jpa.hibernate.SpringImplicitNamingStrategy
messages:
basename: i18n/messages
main:
allow-bean-definition-overriding: true
task:
execution:
thread-name-prefix: catalogue-task-
pool:
core-size: 2
max-size: 50
queue-capacity: 10000
scheduling:
thread-name-prefix: catalogue-scheduling-
pool:
size: 2
thymeleaf:
mode: HTML
output:
ansi:
console-available: true
server:
servlet:
session:
cookie:
http-only: true
tomcat:
mbeanregistry:
enabled: true
threads:
max: 100
compression:
enabled: true
mime-types: "text/html,text/xml,text/plain,text/css,text/javascript,application/javascript,application/json"
min-response-size: 1024
port: 8080
# Properties to be exposed on the /info management endpoint
info:
# Comma separated list of profiles that will trigger the ribbon to show
display-ribbon-on-profiles: 'dev'
management:
endpoints:
web:
exposure:
include: "health,info,metrics,prometheus"
endpoint:
health:
probes:
enabled: true
show-details: always
show-components: always
application-prod.yml
logging:
level:
ROOT: ERROR
org.hibernate.SQL: ERROR
com.pitstop.catalogue: ERROR
com.zaxxer.hikari: ERROR
config: classpath:logback-prod.xml
spring:
devtools:
restart:
enabled: true
additional-exclude: static/**
jackson:
serialization:
indent-output: true
datasource:
auto-commit: false
type: com.zaxxer.hikari.HikariDataSource
url: ${SPRING_DATASOURCE_URL}
username: ${SPRING_DATASOURCE_USERNAME}
password: ${SPRING_DATASOURCE_PASSWORD}
hikari:
poolName: CatalogJPAHikariCP
minimumIdle: 10
maximumPoolSize: 120
connectionTimeout: 30000
idleTimeout: 300000
maxLifetime: 600000
auto-commit: false
data-source-properties:
cachePrepStmts: true
prepStmtCacheSize: 250
prepStmtCacheSqlLimit: 2048
useServerPrepStmts: true
useLocalSessionState: true
rewriteBatchedStatements: true
cacheResultSetMetadata: true
cacheServerConfiguration: true
maintainTimeStats: true
servlet:
multipart:
location: /data/tmp
jpa:
hibernate:
ddl-auto: none
properties:
spring.jpa.show-sql: true
hibernate.generate_statistics: true
liquibase:
contexts: prod
messages:
cache-duration: PT1S # 1 second, see the ISO 8601 standard
thymeleaf:
cache: false
sleuth:
sampler:
probability: 1 # report 100% of traces
I tried many ways to generate Jhipster app with oracle as DEV_DATABASE_TYPE.
still not succeed and i can't find the steps to follow.
Tested with Jhipster 11g2 and 12c2, non of it worked.
Steps i followed :
Generate and app using JDL fil : app.jdl
application {
config {
applicationType monolith,
baseName jhipsterSampleApplication,
packageName io.company.crud,
authenticationType jwt,
databaseType sql,
prodDatabaseType oracle,
devDatabaseType oracle,
buildTool maven,
searchEngine false,
testFrameworks [gatling, protractor],
clientFramework angularX,
clientTheme Litera,
clientThemeVariant Light,
enableTranslation true,
nativeLanguage en,
languages [ en, fr ]
}
entities *
}
Then i update these files : application-dev.yml and pom.xml
spring:
profiles: dev
datasource:
driverClassName: oracle.jdbc.OracleDriver
dataSourceClassName: oracle.jdbc.pool.OracleDataSource
url: jdbc:oracle:thin:#localhost:1521:orcl
username: rest_test
password: rest_test
jpa:
database-platform: org.hibernate.dialect.Oracle10gDialect
database: ORACLE
openInView: false
show_sql: true
generate-ddl: false
hibernate:
ddl-auto: none
naming-strategy: org.hibernate.cfg.EJB3NamingStrategy
properties:
hibernate.cache.use_second_level_cache: true
hibernate.cache.use_query_cache: false
hibernate.generate_statistics: false
hibernate.cache.region.factory_class: org.hibernate.cache.ehcache.SingletonEhCacheRegionFactory
I tried to delete this line from app.jdl :
prodDatabaseType oracle,
and i got an error saying : Only 'h2Memory', 'h2Disk', 'mysql' are allowed as devDatabaseType
Does anyone have a clear process to follow, in order to generate an app with Oracle DB ?
Thank you
This question was resolved here : stackoverflow.com/questions/60640151/jhipster-and-oracle-11gr2 thank you all
I am trying to use the in-memory database H2 for some testing, In my case I am trying to Create the Schema and load the Schema with some data.
The problem that I am having is when I run a test it tries to run the script first without creating the schema and I get the errror table does not exists.
application-test.yml file
spring:
datasource:
driver-class-name: org.h2.Driver
url: jdbc:h2:mem:test;MODE=MySQL;DB_CLOSE_DELAY=-1;DB_CLOSE_ON_EXIT=FALSE;INIT=CREATE SCHEMA IF NOT EXISTS sample\;runscript from '~/LoadData.sql'
jpa:
hibernate:
ddl-auto: create-drop
properties:
hibernate:
default_schema: sample
application.yml
server:
port: 0
spring:
application:
name: services
devtools:
livereload:
enabled: false
jpa:
show-sql: true
properties:
hibernate:
dialect: org.hibernate.dialect.MySQLDialect
default_schema: ${APP_DATASOURCE_SCHEMA}
temp:
use_jdbc_metadata_defaults: false
hibernate:
naming-strategy: org.hibernate.cfg.ImprovedNamingStrategy
jackson:
serialization:
indent-output: true
logging:
level:
com.application: DEBUG
eureka:
client:
serviceUrl:
defaultZone: http://localhost:8761/eureka/
instance:
leaseRenewalIntervalInSeconds: 3
leaseExpirationDurationInSeconds: 4
sample:
application:
portrange:
min: 8090
max: 8099
sendemail: false
ldap:
contextSource:
url: ${LDAP_URL}
base: ${LDAP_BASE}
userDn: ${LDAP_USER_DN}
password: ${LDAP_PASSWORD}
When I use jhipster generate an app, I disabled the second level cache. However, when I run either "gradle test" or "run as junit test" to test the app, it is failed because the "NoCacheRegionFactoryAvailableException". I have checked the application.yml in directory "src/test/resources/config", and be sure that the second cache is disabled. I do not know why the app is still looking for second-cache. Is there any clue how this happen? or how to disable second level cache completely?
Except the test failure, everything else works well, the app can run successfully.
application.yml in src/test/resources/config
spring:
application:
name: EMS
datasource:
url: jdbc:h2:mem:EMS;DB_CLOSE_DELAY=-1
name:
username:
password:
jpa:
database-platform: com.espion.ems.domain.util.FixedH2Dialect
database: H2
open-in-view: false
show_sql: true
hibernate:
ddl-auto: none
naming-strategy: org.springframework.boot.orm.jpa.hibernate.SpringNamingStrategy
properties:
hibernate.cache.use_second_level_cache: false
hibernate.cache.use_query_cache: false
hibernate.generate_statistics: true
hibernate.hbm2ddl.auto: validate
data:
elasticsearch:
cluster-name:
cluster-nodes:
properties:
path:
logs: target/elasticsearch/log
data: target/elasticsearch/data
mail:
host: localhost
mvc:
favicon:
enabled: false
thymeleaf:
mode: XHTML
liquibase:
contexts: test
security:
basic:
enabled: false
server:
port: 10344
address: localhost
jhipster:
async:
corePoolSize: 2
maxPoolSize: 50
queueCapacity: 10000
security:
rememberMe:
# security key (this key should be unique for your application, and kept secret)
key: jhfasdhflasdhfasdkfhasdjkf
metrics: # DropWizard Metrics configuration, used by MetricsConfiguration
jmx.enabled: true
swagger:
title: EMS API
description: EMS API documentation
version: 0.0.1
termsOfServiceUrl:
contactName:
contactUrl:
contactEmail:
license:
licenseUrl:
enabled: false
Move src/test/resources/config/application.yml to src/test/resources directory.
You can find that solution from https://github.com/jhipster/generator-jhipster/issues/3730