[HIBERNATE] Désactiver pool interne d'hibernate

Bonjour,

Quelqu'un saurait comment désactiver le pool interne d'hibernate par une autre solution que l'utilisation d'un pool tiers ?

Merci !

Bonjour, le pool de quoi ?

J'ai ajouté la ligne suivante à mon fichier hibernate.cfg.xml :

Code:

<property name="hibernate.connection.pool_size">1</property>

Et depuis j'ai l'erreur suivante :
Code:

1 2 3 4 16:29:51,218 INFO DriverManagerConnectionProvider:147 - cleaning up connection pool: jdbc:oracle:thin:@infoexpl2:****:**** 16:29:51,248 WARN DriverManagerConnectionProvider:155 - problem closing pooled connection java.sql.SQLException: Exception d'E/S: Socket closed
Etant donné qu'il y a un problème pour fermer le pool de connexion je voudrais le désactiver. Pour l'instant je ne vois que cette solution mais peut il y en a t-il d'autres...

Citation:

Envoyé par Alwin

Bonjour, le pool de quoi ?

Le pool de connexion je pense ;)

Sinon perso, je vois pas trop pourquoi tiens tu à oter ce pool ... il permet de gerer les accès BDD assez simplement. Tu es limité en nb de connexions simultanée ?

En lisant la doc, c'est vrai qu'ils ne renseignent pas beaucoup ce point ... malheureusement... ;)

Je vais voir si je trouve une solution a ton probleme :D

Oui c'était le pool de connexion dsl !

Je voudrais l'ôter car avant de le mettre tout marchait très bien !

Voici ma trace :

Code:

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09:01:30,033  INFO Environment:479 - Hibernate 3.1.2
09:01:30,053  INFO Environment:509 - hibernate.properties not found
09:01:30,093  INFO Environment:525 - using CGLIB reflection optimizer
09:01:30,093  INFO Environment:555 - using JDK 1.4 java.sql.Timestamp handling
09:01:30,343  INFO Configuration:1308 - configuring from resource: /hibernate.cfg.xml
09:01:30,343  INFO Configuration:1285 - Configuration resource: /hibernate.cfg.xml
09:01:30,563 DEBUG DTDEntityResolver:42 - trying to locate http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd in classpath under org/hibernate/
09:01:30,653 DEBUG DTDEntityResolver:56 - found http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd in classpath
09:01:30,723 DEBUG Configuration:1269 - hibernate.connection.driver_class=oracle.jdbc.driver.OracleDriver
09:01:30,723 DEBUG Configuration:1269 - hibernate.connection.url=jdbc:oracle:thin:@infoexpl2:****:****
09:01:30,723 DEBUG Configuration:1269 - hibernate.connection.username=******
09:01:30,723 DEBUG Configuration:1269 - hibernate.connection.password=*******
09:01:30,723 DEBUG Configuration:1269 - hibernate.dialect=org.hibernate.dialect.Oracle9Dialect
09:01:30,723 DEBUG Configuration:1269 - hibernate.cache.provider_class=org.hibernate.cache.NoCacheProvider
09:01:30,733 DEBUG Configuration:1269 - hibernate.show_sql=true
09:01:30,733 DEBUG Configuration:1464 - null<-org.dom4j.tree.DefaultAttribute@a6faa9 [Attribute: name resource value "bean/Param.hbm.xml"]
09:01:30,733  INFO Configuration:469 - Reading mappings from resource: bean/Param.hbm.xml
09:01:30,743 DEBUG DTDEntityResolver:42 - trying to locate http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd in classpath under org/hibernate/
09:01:30,743 DEBUG DTDEntityResolver:56 - found http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd in classpath
09:01:31,013  INFO HbmBinder:309 - Mapping class: bean.Message -> PARAM
09:01:31,044 DEBUG HbmBinder:1261 - Mapped property: code -> CODE
09:01:31,074 DEBUG HbmBinder:1261 - Mapped property: valeur -> VALEUR
09:01:31,074 DEBUG Configuration:1464 - null<-org.dom4j.tree.DefaultAttribute@d0570e [Attribute: name resource value "bean/Dist.hbm.xml"]
09:01:31,074  INFO Configuration:469 - Reading mappings from resource: bean/Dist.hbm.xml
09:01:31,104 DEBUG DTDEntityResolver:42 - trying to locate http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd in classpath under org/hibernate/
09:01:31,104 DEBUG DTDEntityResolver:56 - found http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd in classpath
09:01:31,144  INFO HbmBinder:309 - Mapping class: bean.Dist -> DIST
09:01:31,144 DEBUG HbmBinder:1261 - Mapped property: dist_id -> DIST_ID
09:01:31,144 DEBUG HbmBinder:1261 - Mapped property: dist_code -> DIST_CODE
09:01:31,154 DEBUG HbmBinder:1261 - Mapped property: dist_nom -> DIST_NOM
09:01:31,154 DEBUG HbmBinder:1261 - Mapped property: dist_type -> DIST_TYPE
09:01:31,154 DEBUG Configuration:1464 - null<-org.dom4j.tree.DefaultAttribute@67e236 [Attribute: name resource value "bean/ModifDist.hbm.xml"]
09:01:31,154  INFO Configuration:469 - Reading mappings from resource: bean/ModifDist.hbm.xml
09:01:31,164 DEBUG DTDEntityResolver:42 - trying to locate http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd in classpath under org/hibernate/
09:01:31,164 DEBUG DTDEntityResolver:56 - found http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd in classpath
09:01:31,204  INFO HbmBinder:309 - Mapping class: bean.ModifDist -> MODIF_DIST
09:01:31,204 DEBUG HbmBinder:1261 - Mapped property: dateModif -> DATE_MODIF
09:01:31,204 DEBUG HbmBinder:1261 - Mapped property: distCode -> DIST_CODE
09:01:31,204 DEBUG HbmBinder:1261 - Mapped property: distNom -> DIST_NOM
09:01:31,204 DEBUG HbmBinder:1261 - Mapped property: utilisateur -> UTILISATEUR
09:01:31,204 DEBUG HbmBinder:1261 - Mapped property: dateTraitement -> DATE_TRAITEMENT
09:01:31,214 DEBUG HbmBinder:1261 - Mapped property: typeModif -> TYPE_MODIF
09:01:31,214 DEBUG HbmBinder:1261 - Mapped property: etat -> ETAT
09:01:31,214 DEBUG HbmBinder:1261 - Mapped property: distType -> DIST_TYPE
09:01:31,214  INFO Configuration:1419 - Configured SessionFactory: null
09:01:31,214 DEBUG Configuration:1420 - properties: {hibernate.connection.password=******, java.runtime.name=Java(TM) 2 Runtime Environment, Standard Edition, hibernate.cache.provider_class=org.hibernate.cache.NoCacheProvider, sun.boot.library.path=D:\Utils\jdk1.5.0_01\jre\bin, java.vm.version=1.5.0_01-b08, shared.loader=${catalina.base}/shared/classes,${catalina.base}/shared/lib/*.jar, hibernate.connection.username=******, java.vm.vendor=Sun Microsystems Inc., java.vendor.url=http://java.sun.com/, path.separator=;, java.vm.name=Java HotSpot(TM) Client VM, file.encoding.pkg=sun.io, user.country=FR, sun.os.patch.level=Service Pack 2, java.vm.specification.name=Java Virtual Machine Specification, user.dir=D:\Logiciel\eclipse, java.runtime.version=1.5.0_01-b08, java.awt.graphicsenv=sun.awt.Win32GraphicsEnvironment, java.endorsed.dirs=D:\Logiciel\jakarta-tomcat-5.0.28\common\endorsed, os.arch=x86, java.io.tmpdir=D:\Logiciel\jakarta-tomcat-5.0.28\temp, line.separator=
, java.vm.specification.vendor=Sun Microsystems Inc., user.variant=, java.naming.factory.url.pkgs=org.apache.naming, os.name=Windows XP, sun.jnu.encoding=Cp1252, java.library.path=D:\Utils\jdk1.5.0_01\bin;.;C:\WINDOWS\system32;C:\WINDOWS;C:\oracle\ora90\bin;C:\Oracle\product\10.1.0\Client_1\bin;C:\Oracle\product\10.1.0\Client_1\jre\1.4.2\bin\client;C:\Oracle\product\10.1.0\Client_1\jre\1.4.2\bin;C:\Program Files\Oracle\jre\1.1.8\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\Program Files\NetManage\RUMBA\System;C:\ClearCase\bin;C:\Program Files\IDM Computer Solutions\UltraEdit-32;C:\Program Files\IBM\IBM CICS Transaction Gateway\BIN;C:\Program Files\Reflection\;D:\Utils\jdk1.5.0_01\bin, java.specification.name=Java Platform API Specification, java.class.version=49.0, sun.management.compiler=HotSpot Client Compiler, os.version=5.1, user.home=C:\Documents and Settings\A434009, user.timezone=Europe/Paris, catalina.useNaming=true, java.awt.printerjob=sun.awt.windows.WPrinterJob, file.encoding=Cp1252, java.specification.version=1.5, hibernate.connection.driver_class=oracle.jdbc.driver.OracleDriver, catalina.home=D:\Logiciel\jakarta-tomcat-5.0.28, java.class.path=D:\Logiciel\jakarta-tomcat-5.0.28\bin\bootstrap.jar;D:\Utils\jdk1.5.0_01\lib\tools.jar, user.name=a434009, hibernate.show_sql=true, java.naming.factory.initial=org.apache.naming.java.javaURLContextFactory, package.definition=sun.,java.,org.apache.catalina.,org.apache.coyote.,org.apache.tomcat.,org.apache.jasper., java.vm.specification.version=1.0, java.home=D:\Utils\jdk1.5.0_01\jre, sun.arch.data.model=32, hibernate.dialect=org.hibernate.dialect.Oracle9Dialect, hibernate.connection.url=jdbc:oracle:thin:@infoexpl2:****:****, user.language=fr, java.specification.vendor=Sun Microsystems Inc., awt.toolkit=sun.awt.windows.WToolkit, hibernate.cglib.use_reflection_optimizer=true, java.vm.info=mixed mode, java.version=1.5.0_01, java.ext.dirs=D:\Utils\jdk1.5.0_01\jre\lib\ext, sun.boot.class.path=D:\Logiciel\jakarta-tomcat-5.0.28\common\endorsed\xercesImpl.jar;D:\Logiciel\jakarta-tomcat-5.0.28\common\endorsed\xml-apis.jar;D:\Utils\jdk1.5.0_01\jre\lib\rt.jar;D:\Utils\jdk1.5.0_01\jre\lib\i18n.jar;D:\Utils\jdk1.5.0_01\jre\lib\sunrsasign.jar;D:\Utils\jdk1.5.0_01\jre\lib\jsse.jar;D:\Utils\jdk1.5.0_01\jre\lib\jce.jar;D:\Utils\jdk1.5.0_01\jre\lib\charsets.jar;D:\Utils\jdk1.5.0_01\jre\classes, server.loader=${catalina.home}/server/classes,${catalina.home}/server/lib/*.jar, java.vendor=Sun Microsystems Inc., catalina.base=D:\Logiciel\jakarta-tomcat-5.0.28, file.separator=\, java.vendor.url.bug=http://java.sun.com/cgi-bin/bugreport.cgi, common.loader=${catalina.home}/common/classes,${catalina.home}/common/endorsed/*.jar,${catalina.home}/common/lib/*.jar, sun.io.unicode.encoding=UnicodeLittle, sun.cpu.endian=little, package.access=sun.,org.apache.catalina.,org.apache.coyote.,org.apache.tomcat.,org.apache.jasper.,sun.beans., sun.desktop=windows, sun.cpu.isalist=}
09:01:31,264 DEBUG Configuration:1167 - Preparing to build session factory with filters : {}
09:01:31,264 DEBUG Configuration:1002 - processing extends queue
09:01:31,264 DEBUG Configuration:1006 - processing collection mappings
09:01:31,264 DEBUG Configuration:1017 - processing native query and ResultSetMapping mappings
09:01:31,264 DEBUG Configuration:1025 - processing association property references
09:01:31,264 DEBUG Configuration:1047 - processing foreign key constraints
09:01:31,574  INFO DriverManagerConnectionProvider:41 - Using Hibernate built-in connection pool (not for production use!)
09:01:31,574  INFO DriverManagerConnectionProvider:42 - Hibernate connection pool size: 20
09:01:31,574  INFO DriverManagerConnectionProvider:45 - autocommit mode: false
09:01:31,574  INFO DriverManagerConnectionProvider:80 - using driver: oracle.jdbc.driver.OracleDriver at URL: jdbc:oracle:thin:@infoexpl2:****:****
09:01:31,584  INFO DriverManagerConnectionProvider:83 - connection properties: {user=******, password=******}
09:01:31,584 DEBUG DriverManagerConnectionProvider:93 - total checked-out connections: 0
09:01:31,584 DEBUG DriverManagerConnectionProvider:109 - opening new JDBC connection
09:01:32,685 DEBUG DriverManagerConnectionProvider:115 - created connection to: jdbc:oracle:thin:@infoexpl2:****:*****, Isolation Level: 2
09:01:32,695  INFO SettingsFactory:77 - RDBMS: Oracle, version: Oracle Database 10g Enterprise Edition Release 10.1.0.4.0 - 64bit Production
With the Partitioning, OLAP and Data Mining options
09:01:32,695  INFO SettingsFactory:78 - JDBC driver: Oracle JDBC driver, version: 10.2.0.1.0
09:01:32,695 DEBUG DriverManagerConnectionProvider:129 - returning connection to pool, pool size: 1
09:01:32,795  INFO Dialect:103 - Using dialect: org.hibernate.dialect.Oracle9Dialect
09:01:32,825  INFO TransactionFactoryFactory:31 - Using default transaction strategy (direct JDBC transactions)
09:01:32,855  INFO TransactionManagerLookupFactory:33 - No TransactionManagerLookup configured (in JTA environment, use of read-write or transactional second-level cache is not recommended)
09:01:32,855  INFO SettingsFactory:125 - Automatic flush during beforeCompletion(): disabled
09:01:32,855  INFO SettingsFactory:129 - Automatic session close at end of transaction: disabled
09:01:32,855  INFO SettingsFactory:136 - JDBC batch size: 15
09:01:32,855  INFO SettingsFactory:139 - JDBC batch updates for versioned data: disabled
09:01:32,855  INFO SettingsFactory:144 - Scrollable result sets: enabled
09:01:32,855 DEBUG SettingsFactory:148 - Wrap result sets: disabled
09:01:32,855  INFO SettingsFactory:152 - JDBC3 getGeneratedKeys(): enabled
09:01:32,855  INFO SettingsFactory:160 - Connection release mode: auto
09:01:32,865  INFO SettingsFactory:187 - Default batch fetch size: 1
09:01:32,865  INFO SettingsFactory:191 - Generate SQL with comments: disabled
09:01:32,865  INFO SettingsFactory:195 - Order SQL updates by primary key: disabled
09:01:32,865  INFO SettingsFactory:338 - Query translator: org.hibernate.hql.ast.ASTQueryTranslatorFactory
09:01:32,895  INFO ASTQueryTranslatorFactory:24 - Using ASTQueryTranslatorFactory
09:01:32,895  INFO SettingsFactory:203 - Query language substitutions: {}
09:01:32,895  INFO SettingsFactory:209 - Second-level cache: enabled
09:01:32,895  INFO SettingsFactory:213 - Query cache: disabled
09:01:32,895  INFO SettingsFactory:325 - Cache provider: org.hibernate.cache.NoCacheProvider
09:01:32,935  INFO SettingsFactory:228 - Optimize cache for minimal puts: disabled
09:01:32,935  INFO SettingsFactory:237 - Structured second-level cache entries: disabled
09:01:32,935 DEBUG SQLExceptionConverterFactory:52 - Using dialect defined converter
09:01:32,965  INFO SettingsFactory:257 - Echoing all SQL to stdout
09:01:32,975  INFO SettingsFactory:264 - Statistics: disabled
09:01:32,975  INFO SettingsFactory:268 - Deleted entity synthetic identifier rollback: disabled
09:01:32,975  INFO SettingsFactory:283 - Default entity-mode: pojo
09:01:33,096  INFO SessionFactoryImpl:153 - building session factory
09:01:33,096 DEBUG SessionFactoryImpl:164 - Session factory constructed with filter configurations : {}
09:01:33,096 DEBUG SessionFactoryImpl:167 - instantiating session factory with properties: {java.runtime.name=Java(TM) 2 Runtime Environment, Standard Edition, hibernate.connection.password=******, hibernate.cache.provider_class=org.hibernate.cache.NoCacheProvider, sun.boot.library.path=D:\Utils\jdk1.5.0_01\jre\bin, java.vm.version=1.5.0_01-b08, shared.loader=${catalina.base}/shared/classes,${catalina.base}/shared/lib/*.jar, hibernate.connection.username=******, java.vm.vendor=Sun Microsystems Inc., java.vendor.url=http://java.sun.com/, path.separator=;, java.vm.name=Java HotSpot(TM) Client VM, file.encoding.pkg=sun.io, user.country=FR, sun.os.patch.level=Service Pack 2, java.vm.specification.name=Java Virtual Machine Specification, user.dir=D:\Logiciel\eclipse, java.runtime.version=1.5.0_01-b08, java.awt.graphicsenv=sun.awt.Win32GraphicsEnvironment, java.endorsed.dirs=D:\Logiciel\jakarta-tomcat-5.0.28\common\endorsed, os.arch=x86, java.io.tmpdir=D:\Logiciel\jakarta-tomcat-5.0.28\temp, line.separator=
, java.vm.specification.vendor=Sun Microsystems Inc., user.variant=, java.naming.factory.url.pkgs=org.apache.naming, os.name=Windows XP, sun.jnu.encoding=Cp1252, java.library.path=D:\Utils\jdk1.5.0_01\bin;.;C:\WINDOWS\system32;C:\WINDOWS;C:\oracle\ora90\bin;C:\Oracle\product\10.1.0\Client_1\bin;C:\Oracle\product\10.1.0\Client_1\jre\1.4.2\bin\client;C:\Oracle\product\10.1.0\Client_1\jre\1.4.2\bin;C:\Program Files\Oracle\jre\1.1.8\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\Program Files\NetManage\RUMBA\System;C:\ClearCase\bin;C:\Program Files\IDM Computer Solutions\UltraEdit-32;C:\Program Files\IBM\IBM CICS Transaction Gateway\BIN;C:\Program Files\Reflection\;D:\Utils\jdk1.5.0_01\bin, java.specification.name=Java Platform API Specification, java.class.version=49.0, sun.management.compiler=HotSpot Client Compiler, os.version=5.1, user.home=C:\Documents and Settings\A434009, user.timezone=Europe/Paris, catalina.useNaming=true, java.awt.printerjob=sun.awt.windows.WPrinterJob, java.specification.version=1.5, file.encoding=Cp1252, hibernate.connection.driver_class=oracle.jdbc.driver.OracleDriver, catalina.home=D:\Logiciel\jakarta-tomcat-5.0.28, user.name=a434009, java.class.path=D:\Logiciel\jakarta-tomcat-5.0.28\bin\bootstrap.jar;D:\Utils\jdk1.5.0_01\lib\tools.jar, java.naming.factory.initial=org.apache.naming.java.javaURLContextFactory, hibernate.show_sql=true, package.definition=sun.,java.,org.apache.catalina.,org.apache.coyote.,org.apache.tomcat.,org.apache.jasper., java.vm.specification.version=1.0, sun.arch.data.model=32, java.home=D:\Utils\jdk1.5.0_01\jre, hibernate.connection.url=jdbc:oracle:thin:@infoexpl2:****:****, hibernate.dialect=org.hibernate.dialect.Oracle9Dialect, java.specification.vendor=Sun Microsystems Inc., user.language=fr, awt.toolkit=sun.awt.windows.WToolkit, java.vm.info=mixed mode, hibernate.cglib.use_reflection_optimizer=true, java.version=1.5.0_01, java.ext.dirs=D:\Utils\jdk1.5.0_01\jre\lib\ext, sun.boot.class.path=D:\Logiciel\jakarta-tomcat-5.0.28\common\endorsed\xercesImpl.jar;D:\Logiciel\jakarta-tomcat-5.0.28\common\endorsed\xml-apis.jar;D:\Utils\jdk1.5.0_01\jre\lib\rt.jar;D:\Utils\jdk1.5.0_01\jre\lib\i18n.jar;D:\Utils\jdk1.5.0_01\jre\lib\sunrsasign.jar;D:\Utils\jdk1.5.0_01\jre\lib\jsse.jar;D:\Utils\jdk1.5.0_01\jre\lib\jce.jar;D:\Utils\jdk1.5.0_01\jre\lib\charsets.jar;D:\Utils\jdk1.5.0_01\jre\classes, java.vendor=Sun Microsystems Inc., server.loader=${catalina.home}/server/classes,${catalina.home}/server/lib/*.jar, catalina.base=D:\Logiciel\jakarta-tomcat-5.0.28, file.separator=\, java.vendor.url.bug=http://java.sun.com/cgi-bin/bugreport.cgi, common.loader=${catalina.home}/common/classes,${catalina.home}/common/endorsed/*.jar,${catalina.home}/common/lib/*.jar, sun.cpu.endian=little, sun.io.unicode.encoding=UnicodeLittle, package.access=sun.,org.apache.catalina.,org.apache.coyote.,org.apache.tomcat.,org.apache.jasper.,sun.beans., sun.desktop=windows, sun.cpu.isalist=}
09:02:11,154  INFO DriverManagerConnectionProvider:147 - cleaning up connection pool: jdbc:oracle:thin:@infoexpl2:****:****
09:02:11,234  WARN DriverManagerConnectionProvider:155 - problem closing pooled connection
java.sql.SQLException: Exception d'E/S: Socket closed
	at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:112)
	at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:146)
	at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:255)
	at oracle.jdbc.driver.T4CConnection.logoff(T4CConnection.java:480)
	at oracle.jdbc.driver.PhysicalConnection.close(PhysicalConnection.java:1175)
	at org.hibernate.connection.DriverManagerConnectionProvider.close(DriverManagerConnectionProvider.java:152)
	at org.hibernate.connection.DriverManagerConnectionProvider.finalize(DriverManagerConnectionProvider.java:142)
	at java.lang.ref.Finalizer.invokeFinalizeMethod(Native Method)
	at java.lang.ref.Finalizer.runFinalizer(Finalizer.java:83)
	at java.lang.ref.Finalizer.access$100(Finalizer.java:14)
	at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:160)

Apparament Hibernate ouvre une connexion à la base de données, et au moment de construire ma session factory il essaie de fermer le pool de connexion mais n'y arrive pas. C'est là qu'il plante. Alors peut être que si j'élimine le pool, hibernate ne tentera pas de le fermer et ne provoquera pas d'erreur. Mais je fais peut être fausse route ...

Citation:

Tu es limité en nb de connexions simultanée ?

Mon nombre de connexion ne me pose à priori pas de problème car hibernate n'ouvre qu'une seule connexion.

Merci pour ton aide

Citation:

Envoyé par Galak extra

Oui c'était le pool de connexion dsl !
Je voudrais l'ôter car avant de le mettre tout marchait très bien !

Euh, ca veut dire qu'avant, il marchait ?!? Donc il doit fonctionner avec le pool alors car sache que ce dernier, même "avant de le mettre", se configure par défaut à 15 places. Il est donc toujours présent ;).

Tu as un détails de l'erreur produite lors de la fermeture du pool de connexions ?!? Ca parait étrange tout de même que ca plante maintenant plutot que dès le début...

[Résolu]

Citation:

Euh, ca veut dire qu'avant, il marchait ?!? Donc il doit fonctionner avec le pool alors car sache que ce dernier, même "avant de le mettre", se configure par défaut à 15 places. Il est donc toujours présent

Merci pour l'info

Mon erreur ne provenait effectivement pas du pool, mais d'un de mes fichiers de mapping. Je croyais qu'il fonctionnait car j'avais la trace :
Code:

1 2 3 4 5 6 7 8 9 10 09:01:31,204 INFO HbmBinder:309 - Mapping class: bean.ModifDist -> MODIF_DIST 09:01:31,204 DEBUG HbmBinder:1261 - Mapped property: dateModif -> DATE_MODIF 09:01:31,204 DEBUG HbmBinder:1261 - Mapped property: distCode -> DIST_CODE 09:01:31,204 DEBUG HbmBinder:1261 - Mapped property: distNom -> DIST_NOM 09:01:31,204 DEBUG HbmBinder:1261 - Mapped property: utilisateur -> UTILISATEUR 09:01:31,204 DEBUG HbmBinder:1261 - Mapped property: dateTraitement -> DATE_TRAITEMENT 09:01:31,214 DEBUG HbmBinder:1261 - Mapped property: typeModif -> TYPE_MODIF 09:01:31,214 DEBUG HbmBinder:1261 - Mapped property: etat -> ETAT 09:01:31,214 DEBUG HbmBinder:1261 - Mapped property: distType -> DIST_TYPE
Les noms des attributs de mes classes ne correspondaient pas à ceux que j'avais défini dans l'attribut "name" de la balise "property" de mon fichier monFichier.hbm.xml. A cause du message d'erreur je croyais que ca venait du pool, mais non !!

Merci à tous