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Posted to dev@velocity.apache.org by "Amrit (Jira)" <ji...@apache.org> on 2023/05/24 10:13:00 UTC
[jira] [Comment Edited] (VELOCITY-965) Velocity 1.7 vs velocity 2.3: Getting thread synchronization issue
[ https://issues.apache.org/jira/browse/VELOCITY-965?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17725731#comment-17725731 ]
Amrit edited comment on VELOCITY-965 at 5/24/23 10:12 AM:
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Generally what is the process to fix such issues for the Velocity project? Would someone be looking into this issue and can we expect a fix anytime?
was (Author: JIRAUSER299929):
Generally what is process to fix such issues for the Velocity project? Would someone be looking into this issue and can we expect a fix anytime?
> Velocity 1.7 vs velocity 2.3: Getting thread synchronization issue
> ------------------------------------------------------------------
>
> Key: VELOCITY-965
> URL: https://issues.apache.org/jira/browse/VELOCITY-965
> Project: Velocity
> Issue Type: Bug
> Components: Engine
> Affects Versions: 2.3
> Reporter: Amrit
> Priority: Major
>
> Recently we migrated from Velocity 1.7 to Velocity 2.3. We see the below error intermittently which is a possible thread synchronization issue with Velocity Engine. The resultset is getting closed while another thread is making use of it.
> {noformat}
> 2023-04-15 10:36:33.472 ERROR [org.apache.velocity.loader.ds]
> {344} - DataSourceResourceLoader: database problem while getting timestamp of 'xyz_abc':
> java.sql.SQLException: Closed Resultset: next
> at oracle.jdbc.driver.InsensitiveScrollableResultSet.ensureOpen(InsensitiveScrollableResultSet.java:109) ~[ojdbc8.jar:12.2.0.1.0]
> at oracle.jdbc.driver.InsensitiveScrollableResultSet.next(InsensitiveScrollableResultSet.java:398) ~[ojdbc8.jar:12.2.0.1.0]
> at weblogic.jdbc.wrapper.ResultSet_oracle_jdbc_driver_ForwardOnlyResultSet.next(Unknown Source) ~[CodeGenerator.class:12.2.1.3]
> at org.apache.velocity.runtime.resource.loader.DataSourceResourceLoader.readLastModified(DataSourceResourceLoader.java:326) ~[velocity-engine-core-2.3.jar:2.3]
> at org.apache.velocity.runtime.resource.loader.DataSourceResourceLoader.getLastModified(DataSourceResourceLoader.java:240) ~[velocity-engine-core-2.3.jar:2.3]
> at org.apache.velocity.runtime.resource.ResourceManagerImpl.loadResource(ResourceManagerImpl.java:446) ~[velocity-engine-core-2.3.jar:2.3]
> at org.apache.velocity.runtime.resource.ResourceManagerImpl.getResource(ResourceManagerImpl.java:346) ~[velocity-engine-core-2.3.jar:2.3]
> at org.apache.velocity.runtime.RuntimeInstance.getTemplate(RuntimeInstance.java:1677) ~[velocity-engine-core-2.3.jar:2.3]
> at org.apache.velocity.runtime.RuntimeInstance.getTemplate(RuntimeInstance.java:1656) ~[velocity-engine-core-2.3.jar:2.3]
> at org.apache.velocity.app.VelocityEngine.getTemplate(VelocityEngine.java:314) ~[velocity-engine-core-2.3.jar:2.3]
> {noformat}
> Reference:
> https://stackoverflow.com/questions/2794167/is-resultset-thread-safe
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