When wrong configs are given, Event tables must not throw NPE, but gracefully throw a error saying what is wrong.
java.lang.NullPointerException at org.wso2.siddhi.core.table.RDBMSEventTable.iterator(RDBMSEventTable.java:463) at org.wso2.siddhi.core.table.RDBMSEventTable.iterator(RDBMSEventTable.java:512) at org.wso2.siddhi.core.query.processor.window.TableWindowProcessor.iterator(TableWindowProcessor.java:51) at org.wso2.siddhi.core.query.processor.join.JoinProcessor.getStreamEventIterator(JoinProcessor.java:246) at org.wso2.siddhi.core.query.processor.join.JoinProcessor.process(JoinProcessor.java:119) at org.wso2.siddhi.core.query.processor.handler.SimpleHandlerProcessor.processHandler(SimpleHandlerProcessor.java:149) at org.wso2.siddhi.core.query.processor.handler.SimpleHandlerProcessor.receive(SimpleHandlerProcessor.java:77) -- ============================ Srinath Perera, Ph.D. http://people.apache.org/~hemapani/ http://srinathsview.blogspot.com/
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