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Posted to dev@jena.apache.org by "Andy Seaborne (Jira)" <ji...@apache.org> on 2020/08/13 09:00:01 UTC
[jira] [Resolved] (JENA-1942) DatasetGraph.supportsTransactions
true, but .UnsupportedOperationException: begin
[ https://issues.apache.org/jira/browse/JENA-1942?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andy Seaborne resolved JENA-1942.
---------------------------------
Resolution: Not A Problem
> DatasetGraph.supportsTransactions true, but .UnsupportedOperationException: begin
> ---------------------------------------------------------------------------------
>
> Key: JENA-1942
> URL: https://issues.apache.org/jira/browse/JENA-1942
> Project: Apache Jena
> Issue Type: Bug
> Components: Base
> Affects Versions: Jena 3.16.0
> Environment: uname -a
> Linux jmv-SMBIOSation 4.15.0-112-generic #113-Ubuntu SMP Thu Jul 9 23:41:39 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
> java -version
> openjdk version "11.0.8" 2020-07-14
> OpenJDK Runtime Environment (build 11.0.8+10-post-Ubuntu-0ubuntu118.04.1)
> OpenJDK 64-Bit Server VM (build 11.0.8+10-post-Ubuntu-0ubuntu118.04.1, mixed mode, sharing)
> Reporter: Jean-Marc Vanel
> Priority: Minor
> Attachments: TestDatasetGraphDefault.java
>
>
> DatasetGraph from DatasetFactory.create().asDatasetGraph() declares it supports Transactions , but it throws UnsupportedOperationException :
> {noformat}
> java.lang.UnsupportedOperationException: begin(READ_PROMOTE)
> [error] java.lang.UnsupportedOperationException: begin(READ_PROMOTE)
> [error] at org.apache.jena.sparql.core.TransactionalLock.begin(TransactionalLock.java:110)
> [error] at org.apache.jena.sparql.core.Transactional.begin(Transactional.java:72)
> [error] at org.apache.jena.sparql.core.DatasetGraphMap.begin(DatasetGraphMap.java:75)
> [error] at tests.TestDatasetGraphDefault.main(TestDatasetGraphDefault.java:14){noformat}
> [^TestDatasetGraphDefault.java]
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