java.lang.NullPointerException: This exception has no message.

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java.lang.NullPointerException:
at com.alibaba.otter.node.etl.select.selector.MessageParser.internParse(MessageParser.java:378)
at com.alibaba.otter.node.etl.select.selector.MessageParser.parse(MessageParser.java:181)
at com.alibaba.otter.node.etl.select.selector.canal.CanalEmbedSelector.selector(CanalEmbedSelector.java:264)
at com.alibaba.otter.node.etl.select.SelectTask.processSelect(SelectTask.java:236)
at com.alibaba.otter.node.etl.select.SelectTask.access$300(SelectTask.java:94)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)

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