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From Alireza Eskandari <astro.alir...@gmail.com>
Subject MySQL HA
Date Mon, 11 Dec 2017 11:47:12 GMT
Hi
I want to use MySQL HA for CloudStack.
I have installed cloudstack-mysql-ha package and configure
db.properties with appropriate options, but when I stop the first
mysql node, I this error frequently:

2017-12-11 15:13:17,146 WARN  [c.c.c.d.ManagementServerHostDaoImpl]
(Cluster-Heartbeat-1:ctx-aa0c96da) (logid:ee470520) Unexpected
exception,
com.cloud.utils.exception.CloudRuntimeException: No database selected
for the transaction
        at com.cloud.utils.db.TransactionLegacy.getConnection(TransactionLegacy.java:580)
        at com.cloud.utils.db.TransactionLegacy.prepareStatement(TransactionLegacy.java:467)
        at com.cloud.utils.db.TransactionLegacy.prepareAutoCloseStatement(TransactionLegacy.java:460)
        at com.cloud.cluster.dao.ManagementServerHostDaoImpl.update(ManagementServerHostDaoImpl.java:134)
        at sun.reflect.GeneratedMethodAccessor81.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
        at com.cloud.utils.db.TransactionContextInterceptor.invoke(TransactionContextInterceptor.java:34)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:161)
        at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:91)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
        at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
        at com.sun.proxy.$Proxy203.update(Unknown Source)
        at com.cloud.cluster.ClusterManagerImpl$4.runInContext(ClusterManagerImpl.java:554)
        at org.apache.cloudstack.managed.context.ManagedContextRunnable$1.run(ManagedContextRunnable.java:49)
        at org.apache.cloudstack.managed.context.impl.DefaultManagedContext$1.call(DefaultManagedContext.java:56)
        at org.apache.cloudstack.managed.context.impl.DefaultManagedContext.callWithContext(DefaultManagedContext.java:103)
        at org.apache.cloudstack.managed.context.impl.DefaultManagedContext.runWithContext(DefaultManagedContext.java:53)
        at org.apache.cloudstack.managed.context.ManagedContextRunnable.run(ManagedContextRunnable.java:46)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:473)
        at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:304)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:178)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:622)
        at java.lang.Thread.run(Thread.java:748)

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