Whenever I try to run a SPARQLMotion script with either the
sml:SelectResource or sml:SelectInstance modules in Ensemble, an error
message is displayed.
Is Ensemble simply incompatible with these modules, or is there
something I need to do to fix this? Any help would be appreciated.
The stack trace from the error log is as follows:
eclipse.buildId=M20090211-1700
java.version=1.6.0_13
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=en_US
Command-line arguments: -os win32 -ws win32 -arch x86
Warning
Wed Sep 09 10:12:02 EDT 2009
Failed to run SPARQLmotion script
java.lang.NullPointerException
at org.topbraidlive.server.handlers.XMLHandlerUtil.getResultElement
(Unknown Source)
at org.topbraidlive.server.handlers.XMLHandlerUtil.createResultElement
(Unknown Source)
at
org.topbraidlive.sparqlmotion.modules.selectInstance.SelectInstanceModule.execute
(Unknown Source)
at org.topbraid.sparqlmotion.engine.impl.ExecutionEngine.execute
(Unknown Source)
at org.topbraidlive.sparqlmotion.engine.TBLExecutionEngine.execute
(Unknown Source)
at org.topbraid.sparqlmotion.engine.impl.ExecutionEngine.executeModule
(Unknown Source)
at org.topbraid.sparqlmotion.engine.impl.ExecutionEngine.execute
(Unknown Source)
at org.topbraidlive.sparqlmotion.engine.TBLExecutionEngine.execute
(Unknown Source)
at
org.topbraidlive.sparqlmotion.handlers.sparqlmotion.SPARQLMotionHandler.serializeResponse
(Unknown Source)
at
org.topbraidlive.server.servlet.AbstractRequestDelegate.handleRequest
(Unknown Source)
at
org.topbraidlive.server.servlet.AbstractRequestDelegate.runActionHandler
(Unknown Source)
at org.topbraidlive.server.servlet.RequestWorker.call(Unknown Source)
at org.topbraidlive.server.servlet.RequestWorker.call(Unknown Source)
at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown
Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
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