java.io.IOException: An attempt by a client to checkout a Connection has timed out.

activemq-users | magellings | 8 years ago
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    Re: Is there JDBC master/slave retry logic if database goes down?

    activemq-users | 8 years ago | magellings
    java.io.IOException: An attempt by a client to checkout a Connection has timed out.
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    java.sql.SQLException: An attempt by a client to checkout a Connection has timed out.

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Root Cause Analysis

  1. com.mchange.v2.resourcepool.TimeoutException

    A client timed out while waiting to acquire a resource from com.mchange.v2.resourcepo ResourcePool@d964af -- timeout at awaitAvailable()

    at com.mchange.v2.resourcepool.BasicResourcePool.awaitAvailable()
  2. c3p0:JDBC DataSources/Resource Pools
    AbstractPoolBackedDataSource.getConnection
    1. com.mchange.v2.resourcepool.BasicResourcePool.awaitAvailable(BasicResourcePool.java:1317)
    2. com.mchange.v2.resourcepool.BasicResourcePool.prelimCheckoutResource(BasicResourcePool.java:557)
    3. com.mchange.v2.resourcepool.BasicResourcePool.checkoutResource(BasicResourcePool.java:477)
    4. com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:525)
    5. com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.getConnection(AbstractPoolBackedDataSource.java:128)
    5 frames
  3. ActiveMQ :: Core
    JDBCMessageStore.getMessageCount
    1. org.apache.activemq.store.jdbc.TransactionContext.getConnection(TransactionContext.java:54)
    2. org.apache.activemq.store.jdbc.adapter.DefaultJDBCAdapter.doGetMessageCount(DefaultJDBCAdapter.java:687)
    3. org.apache.activemq.store.jdbc.JDBCMessageStore.getMessageCount(JDBCMessageStore.java:208)
    3 frames
  4. ActiveMQ :: Broker
    TransportConnection$3.run
    1. org.apache.activemq.store.ProxyMessageStore.getMessageCount(ProxyMessageStore.java:79)
    2. org.apache.activemq.broker.region.cursors.QueueStorePrefetch.getStoreSize(QueueStorePrefetch.java:63)
    3. org.apache.activemq.broker.region.cursors.AbstractStoreCursor.gc(AbstractStoreCursor.java:212)
    4. org.apache.activemq.broker.region.cursors.StoreQueueCursor.gc(StoreQueueCursor.java:257)
    5. org.apache.activemq.broker.region.Queue.removeSubscription(Queue.java:308)
    6. org.apache.activemq.broker.region.AbstractRegion.removeConsumer(AbstractRegion.java:324)
    7. org.apache.activemq.broker.region.RegionBroker.removeConsumer(RegionBroker.java:392)
    8. org.apache.activemq.broker.BrokerFilter.removeConsumer(BrokerFilter.java:114)
    9. org.apache.activemq.broker.BrokerFilter.removeConsumer(BrokerFilter.java:114)
    10. org.apache.activemq.advisory.AdvisoryBroker.removeConsumer(AdvisoryBroker.java:222)
    11. org.apache.activemq.broker.BrokerFilter.removeConsumer(BrokerFilter.java:114)
    12. org.apache.activemq.broker.MutableBrokerFilter.removeConsumer(MutableBrokerFilter.java:121)
    13. org.apache.activemq.broker.TransportConnection.processRemoveConsumer(TransportConnection.java:565)
    14. org.apache.activemq.broker.TransportConnection.processRemoveSession(TransportConnection.java:600)
    15. org.apache.activemq.broker.TransportConnection.processRemoveConnection(TransportConnection.java:705)
    16. org.apache.activemq.broker.TransportConnection.doStop(TransportConnection.java:1000)
    17. org.apache.activemq.broker.jmx.ManagedTransportConnection.doStop(ManagedTransportConnection.java:74)
    18. org.apache.activemq.broker.TransportConnection$3.run(TransportConnection.java:925)
    18 frames