Andy Seaborne created JENA-1527:
-----------------------------------
Summary: GraphDB caches prefix map across transactions.
Key: JENA-1527
URL: https://issues.apache.org/jira/browse/JENA-1527
Project: Apache Jena
Issue Type: Bug
Components: TDB
Affects Versions: Jena 3.7.0
Reporter: Andy Seaborne
Assignee: Andy Seaborne
The pattern below causes transaction errors ("BlockMgrJournal not active")
because the pmap is carried from trasnaction1 to transaction 2 in the GraphBase
cache (member "pm").
{noformat}
Graph g = dsg.getGraph(gn1);
Txn.executeWrite(dsg, ()->{
// Get, do not use. ** GraphBase caches **
PrefixMapping pmap = g.getPrefixMapping();
});
Txn.executeWrite(dsg, ()-> {
PrefixMapping pmap = g.getPrefixMapping();
pmap.setNsPrefix("x0", "http:/example/x0#");
});
{noformat}
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