Zdravim, pri testu zateze aplikace (jmeter i realni uzivatele) se mi priblizne po prihlaseni 30 uzivatelu zacnou objevovat vyjimky ze nelze otevrit spojeni s db.
Pouzivam JBoss4.2.1 + Spring2.0 + JSP + Hibernate + Postgres8/Oracle9 na transakce mam JtaTransactionManager(java:comp/UserTransaction) a TransactionProxyFactoryBean zkousel jsem nastavovat ruzne timeouty, poolsize atd... ale bez uspechu muzete mi nekdo poradit na co bych se mel zamerit? prece neni mozny aby s DB mohlo soucasne pracovat pouze 30 lidi (je to stejne u postgres i oracle). DIKY ZA RADY dave Exception: org.hibernate.exception.GenericJDBCException: Cannot open connection StackTrace: Caused by:org.jboss.util.NestedSQLException: Could not enlist in transaction on entering meta-aware object!; - nested throwable: (javax.transaction.SystemException: java.lang.Throwable: Unabled to enlist resource, see the previous warnings. tx=TransactionImple < ac, BasicAction: 7f000101:8133:47fa9ee4:2422 status: ActionStatus.ABORT_ONLY >); - nested throwable: (org.jboss.resource.JBossResourceException: Could not enlist in transaction on entering meta-aware object!; - nested throwable: (javax.transaction.SystemException: java.lang.Throwable: Unabled to enlist resource, see the previous warnings. tx=TransactionImple < ac, BasicAction: 7f000101:8133:47fa9ee4:2422 status: ActionStatus.ABORT_ONLY >)) Message:Cannot open connection org.hibernate.exception.SQLStateConverter.handledNonSpecificException(SQLStateConverter.java:103) org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:91) org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:43) org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:29) org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:426) org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:144) org.hibernate.jdbc.AbstractBatcher.prepareQueryStatement(AbstractBatcher.java:139) org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1547) org.hibernate.loader.Loader.doQuery(Loader.java:673) org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:236) org.hibernate.loader.Loader.doList(Loader.java:2220) org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2104) org.hibernate.loader.Loader.list(Loader.java:2099) org.hibernate.loader.criteria.CriteriaLoader.list(CriteriaLoader.java:94) org.hibernate.impl.SessionImpl.list(SessionImpl.java:1569) org.hibernate.impl.CriteriaImpl.list(CriteriaImpl.java:283)
