[SYNAPSE-634] NumberFormatException thrown when running sample 362

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: NIGHTLY
• Fix Version/s: 2.0
• Component/s: Extension Mediators
• Environment: Ubuntu 9.10; Sun JDK 1.6
• Assignee: Unassigned
• Reporter: Heshan Theekshana Suriyaarachchi
• Created: 01/May/10 10:53
• Updated: 20/May/10 09:08
• Resolved: 20/May/10 09:08

Description

Following exception is thrown when running the Synapse sample 362.

2010-05-01 16:00:30,284 [-] [HttpServerWorker-1] INFO TimeoutHandler This engine will expire all callbacks after : 86400 seconds, irrespective of the timeout action, after the specified or optional timeout
2010-05-01 16:00:30,431 [-] [HttpClientWorker-1] INFO LogMediator text = ** Reporting to the Database **
2010-05-01 16:00:31,992 [-] [HttpClientWorker-1] ERROR NativeWorkerPool Uncaught exception
java.lang.NumberFormatException: empty String
at sun.misc.FloatingDecimal.readJavaFormatString(FloatingDecimal.java:994)
at java.lang.Double.parseDouble(Double.java:510)
at org.apache.synapse.mediators.db.AbstractDBMediator.getPreparedStatement(AbstractDBMediator.java:304)
at org.apache.synapse.mediators.db.DBReportMediator.processStatement(DBReportMediator.java:53)
at org.apache.synapse.mediators.db.AbstractDBMediator.mediate(AbstractDBMediator.java:122)
at org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:60)
at org.apache.synapse.mediators.filters.OutMediator.mediate(OutMediator.java:55)
at org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:60)
at org.apache.synapse.mediators.base.SequenceMediator.mediate(SequenceMediator.java:113)
at org.apache.synapse.core.axis2.Axis2SynapseEnvironment.injectMessage(Axis2SynapseEnvironment.java:131)
at org.apache.synapse.core.axis2.SynapseCallbackReceiver.handleMessage(SynapseCallbackReceiver.java:341)
at org.apache.synapse.core.axis2.SynapseCallbackReceiver.receive(SynapseCallbackReceiver.java:136)
at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:178)
at org.apache.synapse.transport.nhttp.ClientWorker.run(ClientWorker.java:253)
at org.apache.axis2.transport.base.threads.NativeWorkerPool$1.run(NativeWorkerPool.java:58)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
at java.lang.Thread.run(Thread.java:619)

The issue is with the xpath expression in the synapse configuration. Will provide a patch to resolve this.