NullPointException thrown when the sql statement inside the DBLookup/DBreport
mediator returns a null value
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Key: ESBJAVA-440
URL: https://wso2.org/jira/browse/ESBJAVA-440
Project: WSO2 ESB
Issue Type: Bug
Affects Versions: 1.6
Environment: Ubuntu7.04, JDK1.5.0_14, Firefox 2.0.0.12
Reporter: Evanthika Amarasiri
Assignee: indika kumara
Created a Sequence with a DBLookup mediator which connects to a MySQL database
and retrieves a value.
When the SQL statement returns a null value from the query provided, a
NullPointerException is thrown on the ESB console.
***************************************************************************************************************************************************************
2008-02-15 13:55:25,579 [10.100.1.97-testc-ubuntu] [HttpServerWorker-10] DEBUG
SwitchMediator XPath : get-property('yValue') evaluates to : null
Exception in thread "HttpServerWorker-10" java.lang.NullPointerException
at java.util.regex.Matcher.getTextLength(Matcher.java:1127)
at java.util.regex.Matcher.reset(Matcher.java:284)
at java.util.regex.Matcher.<init>(Matcher.java:205)
at java.util.regex.Pattern.matcher(Pattern.java:879)
at org.apache.synapse.config.xml.SwitchCase.matches(SwitchCase.java:99)
at
org.apache.synapse.mediators.filters.SwitchMediator.mediate(SwitchMediator.java:91)
at
org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:60)
at
org.apache.synapse.mediators.base.SequenceMediator.mediate(SequenceMediator.java:125)
at
org.apache.synapse.core.axis2.ProxyServiceMessageReceiver.receive(ProxyServiceMessageReceiver.java:131)
at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:145)
at
org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:275)
at
org.apache.synapse.transport.nhttp.ServerWorker.processPost(ServerWorker.java:226)
at
org.apache.synapse.transport.nhttp.ServerWorker.run(ServerWorker.java:190)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)
at java.lang.Thread.run(Thread.java:595)
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