Jean-Marc Vanel created JENA-1942:
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Summary: 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
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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