Hi,
I'm getting the following exception when the server is idle. Do we have
places in MDM where JDBC connections have not closed properly?
[2015-04-08 19:22:41,048] ERROR
{org.wso2.carbon.mdm.services.android.OperationManager} - Error occurred
while fetching the operation list for the device.
org.wso2.carbon.device.mgt.common.operation.mgt.OperationManagementException:
Error occurred while retrieving the list of pending operations assigned for
'android' device '08:00:27:fb:4a:33'
at
org.wso2.carbon.device.mgt.core.operation.mgt.OperationManagerImpl.getPendingOperations(OperationManagerImpl.java:136)
at
org.wso2.carbon.device.mgt.core.DeviceManagementServiceProviderImpl.getPendingOperations(DeviceManagementServiceProviderImpl.java:355)
at
org.wso2.carbon.device.mgt.core.service.DeviceManagementServiceImpl.getPendingOperations(DeviceManagementServiceImpl.java:131)
at
org.wso2.carbon.mdm.services.android.OperationManager.getPendingOperations(OperationManager.java:58)
at sun.reflect.GeneratedMethodAccessor73.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at
org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:180)
at
org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96)
at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:194)
at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:100)
at
org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:57)
at
org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:93)
at
org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:271)
at
org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121)
at
org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:239)
at
org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:223)
at
org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:203)
at
org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:137)
at
org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:159)
at
org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:286)
at
org.apache.cxf.transport.servlet.AbstractHTTPServlet.doGet(AbstractHTTPServlet.java:211)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:620)
at
org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:262)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
at
org.wso2.carbon.tomcat.ext.valves.CompositeValve.continueInvocation(CompositeValve.java:183)
at
org.wso2.carbon.tomcat.ext.valves.CarbonTomcatValve$1.invoke(CarbonTomcatValve.java:47)
at
org.wso2.carbon.webapp.mgt.TenantLazyLoaderValve.invoke(TenantLazyLoaderValve.java:56)
at
org.wso2.carbon.tomcat.ext.valves.TomcatValveContainer.invokeValves(TomcatValveContainer.java:47)
at
org.wso2.carbon.tomcat.ext.valves.CompositeValve.invoke(CompositeValve.java:146)
at
org.wso2.carbon.tomcat.ext.valves.CarbonStuckThreadDetectionValve.invoke(CarbonStuckThreadDetectionValve.java:159)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
at
org.wso2.carbon.tomcat.ext.valves.CarbonContextCreatorValve.invoke(CarbonContextCreatorValve.java:57)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
at
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1040)
at
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607)
at
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1721)
at
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1679)
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)
Caused by:
org.wso2.carbon.device.mgt.core.operation.mgt.dao.OperationManagementDAOException:
Error occurred while retrieving datasource connection
at
org.wso2.carbon.device.mgt.core.operation.mgt.dao.OperationManagementDAOFactory.beginTransaction(OperationManagementDAOFactory.java:73)
at
org.wso2.carbon.device.mgt.core.operation.mgt.OperationManagerImpl.getPendingOperations(OperationManagerImpl.java:123)
... 47 more
Caused by: org.apache.tomcat.jdbc.pool.PoolExhaustedException:
[http-nio-9763-exec-5] Timeout: Pool empty. Unable to fetch a connection in
60 seconds, none available[size:50; busy:50; idle:0; lastwait:60000].
at
org.apache.tomcat.jdbc.pool.ConnectionPool.borrowConnection(ConnectionPool.java:674)
at
org.apache.tomcat.jdbc.pool.ConnectionPool.getConnection(ConnectionPool.java:188)
at
org.apache.tomcat.jdbc.pool.DataSourceProxy.getConnection(DataSourceProxy.java:128)
at
org.wso2.carbon.device.mgt.core.operation.mgt.dao.OperationManagementDAOFactory.beginTransaction(OperationManagementDAOFactory.java:71)
... 48 more
Thanks,
Lakshitha Harshan
Software Engineer
Mobile: *+94724423048*
Email: [email protected]
Blog : http://harshanliyanage.blogspot.com/
*WSO2, Inc. :** wso2.com <http://wso2.com/>*
lean.enterprise.middleware.
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