java.lang.IllegalArgumentException: Non-positive period.
在项目中用到了TimerTask时间调度器，如果调度间隔时间min 为0的时候，则会发生错误，必须要设置大于0 的数。
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timer = new Timer();
final long min = configListenerTime*60*1000;
timer.schedule(new MQConnectionTimerTask(), min, min);
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解决方案:
min 的值 确保大于0;
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错误信息:
严重: Exception sending context initialized event to listener instance of class com.queuemanagerlistener.listener.MQConnectionStatusListener
java.lang.IllegalArgumentException: Non-positive period.
?at java.util.Timer.schedule(Timer.java:221)
?at ngbss.iac.queuemanagerlistener.listener.MQConnectionStatusListener.contextInitialized(MQConnectionStatusListener.java:72)
?at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4135)
?at org.apache.catalina.core.StandardContext.start(StandardContext.java:4630)
?at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
?at org.apache.catalina.core.StandardHost.start(StandardHost.java:785)
?at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
?at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
?at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
?at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
