oops, I see you have it specified. So I'm not sure why you're running into
this issue. We have it set and it works fine.

On Fri, May 1, 2009 at 1:42 PM, Sanjiv Jivan <sanjiv.ji...@gmail.com> wrote:

> You need to set "validationQuery" on the BasicDataSource definition in
> order to automatically handle lost database connections. For MySQL you can
> use "select 1" and for Oracle you can use "select 0 from dual"
>
> Sanjiv
>
>
> On Fri, May 1, 2009 at 12:40 PM, Albert.Chao <albert.c...@groupdca.com>wrote:
>
>>  Matt,
>>
>>
>>
>> The issue is sometime we need to shut down db to do maintenance work.
>>
>> Once the database back on, the appfuse/tomcat can’t find connection to
>> database.
>>
>> We need to restart appfuse/tomcat to let connection pool work again.
>>
>>
>>
>> Is it always necessary to restart app server?
>>
>> How to configure appfuse to avoid restarting app server?
>>
>>
>>
>> Albert
>>
>>
>>  ------------------------------
>>
>> *From:* Matt Raible [mailto:m...@raibledesigns.com]
>> *Sent:* Friday, May 01, 2009 12:24 PM
>> *To:* users@appfuse.dev.java.net
>> *Subject:* Re: [appfuse-user] gracely handle database disconnection
>>
>>
>>
>> How does the database get disconnected? Unfortunately, I'm not sure how to
>> reconnect when it fails if it doesn't already happen automatically.
>>
>> On Fri, May 1, 2009 at 10:09 AM, Albert.Chao <albert.c...@groupdca.com>
>> wrote:
>>
>> Hi all,
>>
>>
>>
>> Could someone help me to solve “disconnected database when user login”?
>>
>>
>>
>> I have these values in applicationConext-resource.xml.
>>
>> I started webserver / database then shutdown database to do this test
>> case.
>>
>> When I login, I still get
>>
>>
>>
>> org.springframework.transaction.CannotCreateTransactionException: Could not 
>> open Hibernate Session for transaction; nested exception is 
>> org.hibernate.exception.JDBCConnectionException: Cannot open connection
>>
>>          at 
>> org.springframework.orm.hibernate3.HibernateTransactionManager.doBegin(HibernateTransactionManager.java:550)
>>
>>
>>
>> I have put   <global-exception-mappings> <exception-mapping
>> exception="java.lang.Exception" result="home"/>
>>
>> It still gives me stack error
>>
>>
>>
>>
>>
>> How to solve this issue?
>>
>>
>>
>> applicationConext-resource.xml
>>
>>   <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"
>> destroy-method="close">
>>
>>         <property name="driverClassName" value="${jdbc.driverClassName}"
>> />
>>
>>         <property name="url" value="${jdbc.url}"/>
>>
>>         <property name="username" value="${jdbc.username}"/>
>>
>>         <property name="password" value="${jdbc.password}"/>
>>
>>         <property name="maxActive" value="100"/>
>>
>>         <property name="maxWait" value="1000"/>
>>
>>         <property name="poolPreparedStatements" value="true"/>
>>
>>         <property name="defaultAutoCommit" value="true"/>
>>
>>         <property name="validationQuery" value="select 1 from dual"/>
>>
>>         <property name="testOnBorrow" value="true"/>
>>
>>     </bean>
>>
>>
>>
>
>

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