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Posted to taglibs-dev@jakarta.apache.org by bu...@apache.org on 2005/05/12 15:42:46 UTC
DO NOT REPLY [Bug 34896] New: -
Connection Leak in TransactionTagSupport
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http://issues.apache.org/bugzilla/show_bug.cgi?id=34896
Summary: Connection Leak in TransactionTagSupport
Product: Taglibs
Version: 1.0.6
Platform: PC
OS/Version: Windows XP
Status: NEW
Severity: normal
Priority: P2
Component: Standard Taglib
AssignedTo: taglibs-dev@jakarta.apache.org
ReportedBy: amcraft@emailplus.org
When wrapping connections in a Transaction tag like:
<sql:transaction dataSource="JNDI.DS">
<sql:query var="query1" >
SELECT * from etc
</sql:query>
<sql:query var="query2" >
SELECT * from etc
</sql:query>
</sql:transaction>
The transaction tag causes a connection leak, the reason is as follows
The nested connection correctly uses the parent connection object. The
TransactionTagSupport class tries to close the connection in the doFinally()
method, the problem is before the doFinally() tag is called the release()
method is called which calls init() which sets the connection object to null
and hence the doFinally() is unable to close the connection as there is no
longer a reference to the object and hence the leak.
Proposal would be to remove the init() method from the release() method.
Environment:
Weblogic 8.1 sp3
datasource is sybase looked up by jndi reference.
class:
org.apache.taglibs.standard.tag.common.sql.TransactionTagSupport
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