hi all. We r using... App Server: jboss-3.2.1_tomcat-4.1.24 Database: Mysql: 5.0 We r working on an ERP system. These days we r facing one problem that the daemon thread is failed to excecute after this following error log when the purchase handler logged on to the system. After going through the log, i find the folloing error, has any one know abt this issue, if u can help me out, i would greately appreciate. Thanks in advance.... The error log is................. [STDOUT] THE FLAG VALUE ))))))))))))))))10 18:41:28,569 INFO [STDOUT] THE FLAG VALUE ))))))))))))))))3 18:41:28,569 INFO [STDOUT] THE FLAG VALUE ))))))))))))))))10 18:41:28,569 ERROR [STDERR] java.lang.InterruptedException: sleep interrupted 18:41:28,569 ERROR [STDERR] at java.lang.Thread.sleep(Native Method) 18:41:28,569 ERROR [STDERR] at com.angel.workxx.DaemonServlet.run(DaemonServlet.java:102) 18:41:28,569 ERROR [STDERR] at java.lang.Thread.run(Thread.java:534) 18:41:28,571 INFO [STDOUT] THE FLAG VALUE ))))))))))))))))3 18:41:28,571 INFO [STDOUT] THE FLAG VALUE ))))))))))))))))10 18:41:28,573 INFO [STDOUT] THE FLAG VALUE ))))))))))))))))3 after some same logs....... 18:41:30,871 INFO [STDOUT] THE FLAG VALUE ))))))))))))))))1 18:41:30,871 INFO [STDOUT] THE FLAG VALUE ))))))))))))))))1 18:41:30,913 ERROR [ThreadPool] Unexpected exception java.lang.InterruptedException at java.lang.Object.wait(Native Method) at java.lang.Object.wait(Object.java:429) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:595) at java.lang.Thread.run(Thread.java:534) 18:41:34,387 INFO [STDOUT] The size of vworkunitsis------>401 18:41:34,398 INFO [STDOUT] the size of vWorkUnitStatus is 1 18:41:34,421 INFO [STDOUT] The size of vworkunitsis------>401 18:41:34,428 INFO [STDOUT] the size of vWorkUnitStatus is 1 After this error log, the daemon thread stops running..... one thing............... we r facing the following Persistence manager problem while stariting the server................ 18:27:47,268 INFO [PersistenceManager] Starting 18:27:53,343 ERROR [PersistenceManager] Starting failed org.jboss.mq.SpyJMSException: Could not resolve uncommited transactions. Message recovery may not be accurate; - nested throwable: (org.jboss.util.NestedSQLException: Could not create connection; - nested throwable: (java.sql.SQLException: Connection is broken: Connection refused); - nested throwable: (org.jboss.resource.JBossResourceException: Could not create connection; - nested throwable: (java.sql.SQLException: Connection is broken: Connection refused))) at org.jboss.mq.pm.jdbc2.PersistenceManager.resolveAllUncommitedTXs(PersistenceManager.java:276) at org.jboss.mq.pm.jdbc2.PersistenceManager.startService(PersistenceManager.java:1299) at org.jboss.system.ServiceMBeanSupport.start(ServiceMBeanSupport.java:192) at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284) at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:549) at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:966) at $Proxy11.start(Unknown Source) at org.jboss.system.ServiceController.start(ServiceController.java:392) at org.jboss.system.ServiceController.start(ServiceController.java:408) at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284) at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:549) at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:177) at $Proxy5.start(Unknown Source) at org.jboss.deployment.SARDeployer.start(SARDeployer.java:226) at org.jboss.deployment.MainDeployer.start(MainDeployer.java:832) at org.jboss.deployment.MainDeployer.start(MainDeployer.java:824) at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:640) at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:613) at sun.reflect.GeneratedMethodAccessor16.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284) at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:549) at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:177) at $Proxy7.deploy(Unknown Source) at org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymentScanner.java:302) at org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentScanner.java:476) at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.doScan(AbstractDeploymentScanner.java:200) at org.jboss.deployment.scanner.AbstractDeploymentScanner.startService(AbstractDeploymentScanner.java:273) at org.jboss.system.ServiceMBeanSupport.start(ServiceMBeanSupport.java:192) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284) at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:549) at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:966) at $Proxy0.start(Unknown Source) at org.jboss.system.ServiceController.start(ServiceController.java:392) at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284) at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:549) at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:177) at $Proxy5.start(Unknown Source) at org.jboss.deployment.SARDeployer.start(SARDeployer.java:226) at org.jboss.deployment.MainDeployer.start(MainDeployer.java:832) at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:640) at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:613) at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:597) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284) at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:549) at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:177) at $Proxy6.deploy(Unknown Source) at org.jboss.system.server.ServerImpl.doStart(ServerImpl.java:365) at org.jboss.system.server.ServerImpl.start(ServerImpl.java:272) at org.jboss.Main.boot(Main.java:150) at org.jboss.Main$1.run(Main.java:388) at java.lang.Thread.run(Thread.java:534) Caused by: org.jboss.util.NestedSQLException: Could not create connection; - nested throwable: (java.sql.SQLException: Connection is broken: Connection refused); - nested throwable: (org.jboss.resource.JBossResourceException: Could not create connection; - nested throwable: (java.sql.SQLException: Connection is broken: Connection refused)) at org.jboss.resource.adapter.jdbc.WrapperDataSource.getConnection(WrapperDataSource.java:106) at org.jboss.mq.pm.jdbc2.PersistenceManager.getConnection(PersistenceManager.java:1206) at org.jboss.mq.pm.jdbc2.PersistenceManager.resolveAllUncommitedTXs(PersistenceManager.java:219) ... 69 more Caused by: org.jboss.resource.JBossResourceException: Could not create connection; - nested throwable: (java.sql.SQLException: Connection is broken: Connection refused) at org.jboss.resource.adapter.jdbc.local.LocalManagedConnectionFactory.createManagedConnection(LocalManagedConnectionFactory.java:157) at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.createConnection(InternalManagedConnectionPool.java:352) at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.getConnection(InternalManagedConnectionPool.java:151) at org.jboss.resource.connectionmanager.JBossManagedConnectionPool$BasePool.getConnection(JBossManagedConnectionPool.java:429) at org.jboss.resource.connectionmanager.BaseConnectionManager2.getManagedConnection(BaseConnectionManager2.java:413) at org.jboss.resource.connectionmanager.TxConnectionManager.getManagedConnection(TxConnectionManager.java:331) at org.jboss.resource.connectionmanager.BaseConnectionManager2.allocateConnection(BaseConnectionManager2.java:488) at org.jboss.resource.connectionmanager.BaseConnectionManager2$ConnectionManagerProxy.allocateConnection(BaseConnectionManager2.java:798) at org.jboss.resource.adapter.jdbc.WrapperDataSource.getConnection(WrapperDataSource.java:102) ... 71 more Caused by: java.sql.SQLException: Connection is broken: Connection refused at org.hsqldb.Trace.getError(Unknown Source) at org.hsqldb.Trace.error(Unknown Source) at org.hsqldb.jdbcConnection.reconnectHSQL(Unknown Source) at org.hsqldb.jdbcConnection.openHSQL(Unknown Source) at org.hsqldb.jdbcConnection.(Unknown Source) at org.hsqldb.jdbcDriver.connect(Unknown Source) at org.jboss.resource.adapter.jdbc.local.LocalManagedConnectionFactory.createManagedConnection(LocalManagedConnectionFactory.java:147) ... 79 more 18:27:53,345 WARN [ServiceController] Problem starting service jboss.mq:service=PersistenceManager org.jboss.mq.SpyJMSException: Could not resolve uncommited transactions. Message recovery may not be accurate; - nested throwable: (org.jboss.util.NestedSQLException: Could not create connection; - nested throwable: (java.sql.SQLException: Connection is broken: Connection refused); - nested throwable: (org.jboss.resource.JBossResourceException: Could not create connection; - nested throwable: (java.sql.SQLException: Connection is broken: Connection refused))) at org.jboss.mq.pm.jdbc2.PersistenceManager.resolveAllUncommitedTXs(PersistenceManager.java:276) at org.jboss.mq.pm.jdbc2.PersistenceManager.startService(PersistenceManager.java:1299) at org.jboss.system.ServiceMBeanSupport.start(ServiceMBeanSupport.java:192) at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284) at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:549) at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:966) at $Proxy11.start(Unknown Source) at org.jboss.system.ServiceController.start(ServiceController.java:392) at org.jboss.system.ServiceController.start(ServiceController.java:408) at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284) at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:549) at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:177) at $Proxy5.start(Unknown Source) at org.jboss.deployment.SARDeployer.start(SARDeployer.java:226) at org.jboss.deployment.MainDeployer.start(MainDeployer.java:832) at org.jboss.deployment.MainDeployer.start(MainDeployer.java:824) at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:640) at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:613) at sun.reflect.GeneratedMethodAccessor16.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284) at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:549) at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:177) at $Proxy7.deploy(Unknown Source) at org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymentScanner.java:302) at org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentScanner.java:476) at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.doScan(AbstractDeploymentScanner.java:200) at org.jboss.deployment.scanner.AbstractDeploymentScanner.startService(AbstractDeploymentScanner.java:273) at org.jboss.system.ServiceMBeanSupport.start(ServiceMBeanSupport.java:192) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284) at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:549) at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:966) at $Proxy0.start(Unknown Source) at org.jboss.system.ServiceController.start(ServiceController.java:392) at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284) at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:549) at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:177) at $Proxy5.start(Unknown Source) at org.jboss.deployment.SARDeployer.start(SARDeployer.java:226) at org.jboss.deployment.MainDeployer.start(MainDeployer.java:832) at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:640) at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:613) at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:597) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284) at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:549) at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:177) at $Proxy6.deploy(Unknown Source) at org.jboss.system.server.ServerImpl.doStart(ServerImpl.java:365) at org.jboss.system.server.ServerImpl.start(ServerImpl.java:272) at org.jboss.Main.boot(Main.java:150) at org.jboss.Main$1.run(Main.java:388) at java.lang.Thread.run(Thread.java:534) Caused by: org.jboss.util.NestedSQLException: Could not create connection; - nested throwable: (java.sql.SQLException: Connection is broken: Connection refused); - nested throwable: (org.jboss.resource.JBossResourceException: Could not create connection; - nested throwable: (java.sql.SQLException: Connection is broken: Connection refused)) at org.jboss.resource.adapter.jdbc.WrapperDataSource.getConnection(WrapperDataSource.java:106) at org.jboss.mq.pm.jdbc2.PersistenceManager.getConnection(PersistenceManager.java:1206) at org.jboss.mq.pm.jdbc2.PersistenceManager.resolveAllUncommitedTXs(PersistenceManager.java:219) ... 69 more Caused by: org.jboss.resource.JBossResourceException: Could not create connection; - nested throwable: (java.sql.SQLException: Connection is broken: Connection refused) at org.jboss.resource.adapter.jdbc.local.LocalManagedConnectionFactory.createManagedConnection(LocalManagedConnectionFactory.java:157) at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.createConnection(InternalManagedConnectionPool.java:352) at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.getConnection(InternalManagedConnectionPool.java:151) at org.jboss.resource.connectionmanager.JBossManagedConnectionPool$BasePool.getConnection(JBossManagedConnectionPool.java:429) at org.jboss.resource.connectionmanager.BaseConnectionManager2.getManagedConnection(BaseConnectionManager2.java:413) at org.jboss.resource.connectionmanager.TxConnectionManager.getManagedConnection(TxConnectionManager.java:331) at org.jboss.resource.connectionmanager.BaseConnectionManager2.allocateConnection(BaseConnectionManager2.java:488) at org.jboss.resource.connectionmanager.BaseConnectionManager2$ConnectionManagerProxy.allocateConnection(BaseConnectionManager2.java:798) at org.jboss.resource.adapter.jdbc.WrapperDataSource.getConnection(WrapperDataSource.java:102) ... 71 more Caused by: java.sql.SQLException: Connection is broken: Connection refused at org.hsqldb.Trace.getError(Unknown Source) at org.hsqldb.Trace.error(Unknown Source) at org.hsqldb.jdbcConnection.reconnectHSQL(Unknown Source) at org.hsqldb.jdbcConnection.openHSQL(Unknown Source) at org.hsqldb.jdbcConnection.(Unknown Source) at org.hsqldb.jdbcDriver.connect(Unknown Source) at org.jboss.resource.adapter.jdbc.local.LocalManagedConnectionFactory.createManagedConnection(LocalManagedConnectionFactory.java:147) ... 79 more 18:27:53,347 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