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Author Message
keule
 Post subject: java.sql.SQLException: ORA-00020: maximum number of processe
PostPosted: Fri Jun 16, 2006 4:00 am 
Beginner
Beginner

Joined: Thu Apr 21, 2005 5:37 am
Posts: 45
Location: Switzerland
Hi! every once in a while I get the following Exception from our Application Server. Anybody an idea what goes wrong?
THX!
Hibernate version:
Hibernate 3.0.2
Mapping documents:

Code between sessionFactory.openSession() and session.close():
Code:
public List findUserConfigurationByNameAndCategory(String loginName,String mainCategory,String subCategory,String attribute)
               throws BusinessException {
      Session session = HibernateSessionFactory.getSession();
      try {

         return session.createQuery("from UserConfiguration as c where c.user.loginName = :name and "+
                              "c.mainCategory = :main and c.subCategory = :sub and c.attribute = :attr")
               .setString("name",loginName)
               .setString("main",mainCategory)
               .setString("sub",subCategory)
               .setString("attr",attribute)
               .setCacheable(true).list();
      } catch (HibernateException e) {
         throw new BusinessException(e);
      }
}

Full stack trace of any exception that occurs:
org.jboss.resource.JBossResourceException: Could not create connection; - nested throwable: (java.sql.SQLException: ORA-00020: maximum number of processes (100) exceeded
)
at org.jboss.resource.adapter.jdbc.local.LocalManagedConnectionFactory.createManagedConnection(LocalManagedConnectionFactory.java:161)
at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.createConnectionEventListener(InternalManagedConnectionPool.java:508)
at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.getConnection(InternalManagedConnectionPool.java:207)
at org.jboss.resource.connectionmanager.JBossManagedConnectionPool$BasePool.getConnection(JBossManagedConnectionPool.java:534)
at org.jboss.resource.connectionmanager.BaseConnectionManager2.getManagedConnection(BaseConnectionManager2.java:395)
at org.jboss.resource.connectionmanager.TxConnectionManager.getManagedConnection(TxConnectionManager.java:297)
at org.jboss.resource.connectionmanager.BaseConnectionManager2.allocateConnection(BaseConnectionManager2.java:447)
at org.jboss.resource.connectionmanager.BaseConnectionManager2$ConnectionManagerProxy.allocateConnection(BaseConnectionManager2.java:874)
at org.jboss.resource.adapter.jdbc.WrapperDataSource.getConnection(WrapperDataSource.java:103)
at org.hibernate.connection.DatasourceConnectionProvider.getConnection(DatasourceConnectionProvider.java:59)
at org.hibernate.jdbc.AbstractBatcher.openConnection(AbstractBatcher.java:424)
at org.hibernate.jdbc.JDBCContext.connect(JDBCContext.java:162)
at org.hibernate.jdbc.JDBCContext.connection(JDBCContext.java:97)
at org.hibernate.jdbc.AbstractBatcher.prepareQueryStatement(AbstractBatcher.java:86)
at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1129)
at org.hibernate.loader.Loader.doQuery(Loader.java:373)
at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:210)
at org.hibernate.loader.Loader.loadEntity(Loader.java:1311)
at org.hibernate.loader.entity.EntityLoader.load(EntityLoader.java:116)
at org.hibernate.loader.entity.EntityLoader.load(EntityLoader.java:101)
at org.hibernate.persister.entity.BasicEntityPersister.load(BasicEntityPersister.java:2461)
at org.hibernate.event.def.DefaultLoadEventListener.loadFromDatasource(DefaultLoadEventListener.java:350)
at org.hibernate.event.def.DefaultLoadEventListener.doLoad(DefaultLoadEventListener.java:331)
at org.hibernate.event.def.DefaultLoadEventListener.load(DefaultLoadEventListener.java:113)
at org.hibernate.event.def.DefaultLoadEventListener.proxyOrLoad(DefaultLoadEventListener.java:167)
at org.hibernate.event.def.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:79)
at org.hibernate.impl.SessionImpl.internalLoad(SessionImpl.java:641)
at org.hibernate.type.EntityType.resolveIdentifier(EntityType.java:257)
at org.hibernate.type.ManyToOneType.assemble(ManyToOneType.java:160)
at org.hibernate.cache.StandardQueryCache.get(StandardQueryCache.java:89)
at org.hibernate.loader.Loader.list(Loader.java:1516)
at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:375)
at org.hibernate.hql.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:271)
at org.hibernate.impl.SessionImpl.list(SessionImpl.java:830)
at org.hibernate.impl.QueryImpl.list(QueryImpl.java:74)
at com.optitrans.ejb.persistence.UserDAOHibernate.findUserConfigurationByNameAndCategory(UserDAOHibernate.java:83)
at com.optitrans.ejb.service.UserManagerBean.findUserConfiguration(UserManagerBean.java:744)
at com.optitrans.ejb.service.UserManagerBean.findUserConfiguration(UserManagerBean.java:728)
at sun.reflect.GeneratedMethodAccessor513.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.jboss.invocation.Invocation.performCall(Invocation.java:345)
at org.jboss.ejb.StatelessSessionContainer$ContainerInterceptor.invoke(StatelessSessionContainer.java:214)
at org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invoke(CachedConnectionInterceptor.java:185)
at org.jboss.ejb.plugins.StatelessSessionInstanceInterceptor.invoke(StatelessSessionInstanceInterceptor.java:130)
at org.jboss.webservice.server.ServiceEndpointInterceptor.invoke(ServiceEndpointInterceptor.java:51)
at org.jboss.ejb.plugins.CallValidationInterceptor.invoke(CallValidationInterceptor.java:48)
at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:105)
at org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:335)
at org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:166)
at org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:139)
at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:192)
at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryFinderInterceptor.java:122)
at org.jboss.ejb.SessionContainer.internalInvoke(SessionContainer.java:624)
at org.jboss.ejb.Container.invoke(Container.java:873)
at org.jboss.ejb.plugins.local.BaseLocalProxyFactory.invoke(BaseLocalProxyFactory.java:413)
at org.jboss.ejb.plugins.local.StatelessSessionProxy.invoke(StatelessSessionProxy.java:88)
at $Proxy105.findUserConfiguration(Unknown Source)
at com.optitrans.web.service.UserManagerBD.findUserConfiguration(UserManagerBD.java:215)
at com.optitrans.web.action.BaseGanttAction.initTable(BaseGanttAction.java:56)
at com.optitrans.web.action.BaseGanttAction.handleTable(BaseGanttAction.java:141)
at com.optitrans.web.action.FillGanttAction.execute(FillGanttAction.java:116)
at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:484)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:507)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:697)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:81)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at org.jboss.web.tomcat.security.CustomPrincipalValve.invoke(CustomPrincipalValve.java:39)
at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:153)
at com.optitrans.web.tomcat.TransferPrincipalValve.invoke(TransferPrincipalValve.java:29)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:482)
at com.optitrans.web.tomcat.TransferPrincipalValve.invoke(TransferPrincipalValve.java:29)
at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:59)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112)
at java.lang.Thread.run(Thread.java:595)
Caused by: java.sql.SQLException: ORA-00020: maximum number of processes (100) exceeded

at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:112)
at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:331)
at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:283)
at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:278)
at oracle.jdbc.driver.T4CTTIoauthenticate.receiveOsesskey(T4CTTIoauthenticate.java:288)
at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:357)
at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:414)
at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:165)
at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:35)
at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:801)
at org.jboss.resource.adapter.jdbc.local.LocalManagedConnectionFactory.createManagedConnection(LocalManagedConnectionFactory.java:151)
... 89 more
Name and version of the database you are using:
Oracle9i Enterprise Edition Release 9.2.0.5.0 - 64bit Production
The generated SQL (show_sql=true):

Debug level Hibernate log excerpt:

[/code]
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