[JENA-509] Location mapping doesn't work properly when preceded by calling DatasetFactory#createMem

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Done
• Affects Version/s: Jena 2.10.1
• Fix Version/s: Jena 2.11.0
• Component/s: Jena
• Assignee: Andy Seaborne
• Reporter: Piotr Hołubowicz
• Created: 12/Aug/13 10:04
• Updated: 01/Feb/15 19:11
• Resolved: 01/Feb/15 19:11

Description

The following code works in Jena 2.10.0.

        String TEST_RESOURCE = "http://example.org/test.ttl";
        Dataset dataset = DatasetFactory.createMem();
        Model model = FileManager.get().loadModel(TEST_RESOURCE, TEST_RESOURCE, "TURTLE");

In Jena 2.10.1 the location-mapping.n3 resource doesn't seem to work and the following exception is thrown:

com.hp.hpl.jena.shared.NotFoundException: Not found: http://example.org/test.ttl
	at org.apache.jena.riot.adapters.AdapterFileManager.readModelWorker(AdapterFileManager.java:285)
	at com.hp.hpl.jena.util.FileManager.loadModelWorker(FileManager.java:309)
	at com.hp.hpl.jena.util.FileManager.loadModel(FileManager.java:296)
...

In Jena 2.10.2-SNAPSHOT the exception is different, presumably due to the fix to JENA-505:

org.apache.jena.atlas.web.HttpException: 404 - Not Found
	at org.apache.jena.riot.web.HttpOp.exec(HttpOp.java:961)
	at org.apache.jena.riot.web.HttpOp.execHttpGet(HttpOp.java:232)
	at org.apache.jena.riot.web.HttpOp.execHttpGet(HttpOp.java:267)
	at org.apache.jena.riot.stream.LocatorURL.open(LocatorURL.java:46)
	at org.apache.jena.riot.stream.StreamManager.openNoMapOrNull(StreamManager.java:124)
	at org.apache.jena.riot.adapters.AdapterFileManager.readModelWorker(AdapterFileManager.java:280)
	at com.hp.hpl.jena.util.FileManager.loadModelWorker(FileManager.java:309)
	at com.hp.hpl.jena.util.FileManager.loadModel(FileManager.java:296)
...

In both Jena 2.10.1 and Jena 2.10.2-SNAPSHOT the code works if the line Dataset dataset = DatasetFactory.createMem(); is removed.