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java.lang.ArithmeticException: / by zero at org.opencloudb.backend.PhysicalDBPool.initSource(PhysicalDBPool.java:303) at org.opencloudb.backend.PhysicalDBPool.init(PhysicalDBPool.java:254) at org.opencloudb.MycatServer.startup(MycatServer.java:303) at org.opencloudb.MycatStartup.main(MycatStartup.java:54) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.tanukisoftware.wrapper.WrapperSimpleApp.run(WrapperSimpleApp.java:240) at java.lang.Thread.run(Unknown Source)