We're using the following environment
1. JBoss 4.0.2
2. Hibernate 3.0
3. ActiveMQ 4.0
We were using ActiveMQ 3.2 without any issues before upgrading to version 4.0. On upgrade we've started getting the following exception. We've even tried upgrading to JBoss 4.0.3 SP1, but that didn't help either.
The sequence is, JBoss deploys our web app on startup and the user logs in. This where we access db tables using hibernate. This works fine. We then leave the app untouched for half hour, and try to relogin back as the app. session timesout. This is when we get the issue. The underlying table content has not changed at all. We're using the antlr jar that was bundled with hibernate3.0 distribution. The hibernate query
and config file content is listed below..
2006-04-14 17:21:37,246 INFO [STDOUT] java.lang.ClassCastException: org.hibernate.hql.ast.HqlToken
2006-04-14 17:21:37,247 INFO [STDOUT] at antlr.CharScanner.makeToken(CharScanner.java:175)
2006-04-14 17:21:37,247 INFO [STDOUT] at org.hibernate.hql.ast.HqlLexer.makeToken(HqlLexer.java:33)
2006-04-14 17:21:37,247 INFO [STDOUT] at org.hibernate.hql.antlr.HqlBaseLexer.mIDENT(HqlBaseLexer.java:632)
2006-04-14 17:21:37,247 INFO [STDOUT] at org.hibernate.hql.antlr.HqlBaseLexer.nextToken(HqlBaseLexer.java:225)
2006-04-14 17:21:37,247 INFO [STDOUT] at antlr.TokenBuffer.fill(TokenBuffer.java:69)
2006-04-14 17:21:37,247 INFO [STDOUT] at antlr.TokenBuffer.LA(TokenBuffer.java:80)
2006-04-14 17:21:37,247 INFO [STDOUT] at antlr.LLkParser.LA(LLkParser.java:52)
2006-04-14 17:21:37,247 INFO [STDOUT] at org.hibernate.hql.antlr.HqlBaseParser.statement(HqlBaseParser.java:130)
2006-04-14 17:21:37,247 INFO [STDOUT] at org.hibernate.hql.ast.QueryTranslatorImpl.parse(QueryTranslatorImpl.java:209)
2006-04-14 17:21:37,247 INFO [STDOUT] at org.hibernate.hql.ast.QueryTranslatorImpl.doCompile(QueryTranslatorImpl.java:127)
2006-04-14 17:21:37,248 INFO [STDOUT] at org.hibernate.hql.ast.QueryTranslatorImpl.compile(QueryTranslatorImpl.java:83)
2006-04-14 17:21:37,248 INFO [STDOUT] at org.hibernate.impl.SessionFactoryImpl.getQuery(SessionFactoryImpl.java:427)
2006-04-14 17:21:37,248 INFO [STDOUT] at org.hibernate.impl.SessionImpl.getQueries(SessionImpl.java:884)
2006-04-14 17:21:37,248 INFO [STDOUT] at org.hibernate.impl.SessionImpl.list(SessionImpl.java:834)
2006-04-14 17:21:37,248 INFO [STDOUT] at org.hibernate.impl.QueryImpl.list(QueryImpl.java:74)
<?xml version='1.0' encoding='utf-8'?>
<!DOCTYPE hibernate-configuration SYSTEM
"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<property name="dialect">org.hibernate.dialect.MySQLDialect</property>
<property name="connection.driver_class">com.mysql.jdbc.Driver</property>
<property name="connection.username">root</property>
<property name="connection.password"></property>
<property name="connection.url">jdbc:mysql://localhost:3306/userdb?autoReconnect=true</property>
<property name="show_sql">false</property>
<property name="hibernate.cache.use_query_cache">true</property>
<property name="c3p0.max_size">2</property>
<property name="c3p0.min_size">1</property>
<property name="c3p0.timeout">300</property>
<property name="c3p0.idleTestPeriod">300</property>
<mapping resource="/com/reconnex/analyst/manager/database/ReResourceRole.hbm.xml" />
<mapping resource="/com/reconnex/analyst/manager/database/ReTaskRole.hbm.xml" />
<mapping resource="/com/reconnex/analyst/manager/database/ReUser.hbm.xml" />
<mapping resource="/com/reconnex/analyst/manager/database/ReGroup.hbm.xml" />
<mapping resource="/com/reconnex/analyst/manager/database/Device.hbm.xml" />
<mapping resource="/com/reconnex/analyst/manager/database/Domain.hbm.xml" />
</session-factory>
</hibernate-configuration>
The table hbm.xml file that gives
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-mapping SYSTEM
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping
>
<class
name="com.reconnex.analyst.manager.database.Domain"
table="ReDomain"
>
<id
name="id"
column="Domain_id"
type="java.lang.Long"
>
<generator class="native">
<!--
To add non XDoclet generator parameters, create a file named
hibernate-generator-params-Domain.xml
containing the additional parameters and place it in your merge dir.
-->
</generator>
</id>
<property
name="domainName"
type="java.lang.String"
column="Domain_name"
length="200"
/>
<property
name="domainType"
type="java.lang.String"
column="Domain_type"
length="50"
/>
<property
name="ldapServerName"
type="java.lang.String"
column="Ldap_server_name"
length="100"
/>
<property
name="ldapServerPort"
type="java.lang.String"
column="Ldap_server_port"
length="10"
/>
<property
name="ldapServerBaseDN"
type="java.lang.String"
column="Ldap_server_basedn"
length="400"
/>
<property
name="ldapSSLEnabled"
type="byte"
column="Ldap_ssl_enabled"
access="field"
/>
<property
name="ldapUserName"
type="java.lang.String"
column="Ldap_user_name"
length="200"
/>
<property
name="ldapPassword"
type="java.lang.String"
column="Ldap_password"
length="100"
/>
<property
name="ldapTimeout"
type="java.lang.String"
column="Ldap_timeout"
length="4"
/>
<property
name="ldapRetries"
type="java.lang.String"
column="Ldap_retries"
length="5"
/>
<property
name="ldapScope"
type="java.lang.String"
column="Ldap_scope"
length="10"
/>
<property
name="ldapLoginidAttribute"
type="java.lang.String"
column="Ldap_loginid_attribute"
length="30"
/>
<!--
To add non XDoclet property mappings, create a file named
hibernate-properties-Domain.xml
containing the additional properties and place it in your merge dir.
-->
</class>
</hibernate-mapping>
The code that gives the above exception is
return session.createQuery("from Domain as ldapserver").setCacheable(true).list();
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