java.net.ConnectException

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tip

host port isnt set

tip

Check if your MongoDB is available.


rprp
tip

To restart the Selenium Webdriver mock browser in a testcase, first use 'driver.close()' and then reinstantiate the driver.

tip

Firewall might be blocking your connection, or MySQL it's not running on your server machine.


rafaelrafael
tip

Check if you have started your server, or if your server is set to listen to the port you're trying to connect and is waiting to accept connections and check if the firewall isn't blocking your connection.


rafaelrafael
tip

Check if ip adress is correct, if the port is correct, and if the server is up and running and waiting for connections. Also, check if there's no firewall blocking you and if your internet connection is working.


rafaelrafael
tip

spring-data-redis requires redis 2.6+ to work properly.

tip

Check if your server (or a proxy server) is not going up and down. There might be something between a proxy and a client sending intermittent requests to non-functioning hosts as well. There might as well be too many requests in a short amount of time.

tip

Check if your server (or a proxy server) is not going up and down. There might be something between a proxy and a client sending intermittent requests to non-functioning hosts as well. There might as well be too many requests in a short amount of time.

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    • java.net.ConnectException: Connection refused at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:579) at oracle.net.nt.MetricsEnabledSocket.connect(TcpNTAdapter.java:631) at oracle.net.nt.TcpNTAdapter.connect(TcpNTAdapter.java:164) at oracle.net.nt.ConnOption.connect(ConnOption.java:137) at oracle.net.nt.ConnStrategy.execute(ConnStrategy.java:374) at oracle.net.resolver.AddrResolution.resolveAndExecute(AddrResolution.java:438) at oracle.net.ns.NSProtocol.establishConnection(NSProtocol.java:711) at oracle.net.ns.NSProtocol.connect(NSProtocol.java:257) at oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:1229) at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:326) at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:678) at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:234) at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:34) at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:567) at weblogic.jdbc.common.internal.ConnectionEnvFactory.makeConnection(ConnectionEnvFactory.java:357) at weblogic.jdbc.common.internal.ConnectionEnvFactory.createResource(ConnectionEnvFactory.java:239) at weblogic.common.resourcepool.ResourcePoolImpl.makeResources(ResourcePoolImpl.java:1310) at weblogic.common.resourcepool.ResourcePoolImpl.makeResources(ResourcePoolImpl.java:1227) at weblogic.common.resourcepool.ResourcePoolImpl.reserveResourceInternal(ResourcePoolImpl.java:451) at weblogic.common.resourcepool.ResourcePoolImpl.reserveResource(ResourcePoolImpl.java:343) at weblogic.jdbc.common.internal.ConnectionPool.reserve(ConnectionPool.java:471) at weblogic.jdbc.common.internal.ConnectionPool.reserve(ConnectionPool.java:368) at weblogic.jdbc.common.internal.ConnectionPool.reserve(ConnectionPool.java:353) at weblogic.jdbc.common.internal.DataSourceRuntimeMBeanImpl.lookupMetaData(DataSourceRuntimeMBeanImpl.java:740) at weblogic.jdbc.common.internal.DataSourceRuntimeMBeanImpl.getMetaData(DataSourceRuntimeMBeanImpl.java:762) at weblogic.jdbc.common.internal.DataSourceRuntimeMBeanImpl.getDriverVersion(DataSourceRuntimeMBeanImpl.java:805) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at weblogic.management.jmx.modelmbean.WLSModelMBean.getAttribute(WLSModelMBean.java:525) at weblogic.management.jmx.modelmbean.WLSModelMBean.getAttributes(WLSModelMBean.java:585) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getAttributes(DefaultMBeanServerInterceptor.java:709) at com.sun.jmx.mbeanserver.JmxMBeanServer.getAttributes(JmxMBeanServer.java:705) at weblogic.management.jmx.mbeanserver.WLSMBeanServerInterceptorBase$13.run(WLSMBeanServerInterceptorBase.java:353) at java.security.AccessController.doPrivileged(Native Method) at weblogic.management.jmx.mbeanserver.WLSMBeanServerInterceptorBase.getAttributes(WLSMBeanServerInterceptorBase.java:351) at weblogic.management.mbeanservers.internal.JMXContextInterceptor.getAttributes(JMXContextInterceptor.java:192) at weblogic.management.jmx.mbeanserver.WLSMBeanServerInterceptorBase$13.run(WLSMBeanServerInterceptorBase.java:353) at java.security.AccessController.doPrivileged(Native Method) at weblogic.management.jmx.mbeanserver.WLSMBeanServerInterceptorBase.getAttributes(WLSMBeanServerInterceptorBase.java:351) at weblogic.management.mbeanservers.internal.SecurityInterceptor.getAttributes(SecurityInterceptor.java:307) at weblogic.management.jmx.mbeanserver.WLSMBeanServer.getAttributes(WLSMBeanServer.java:292) at oracle.as.jmx.framework.generic.BaseMBeanServerInterceptor.getAttributes(BaseMBeanServerInterceptor.java:191) at oracle.as.jmx.framework.wls.spi.security.SuperPrivilegedMBeanServerInterceptor$2.run(SuperPrivilegedMBeanServerInterceptor.java:94) at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:363) at oracle.as.jmx.framework.wls.spi.security.SuperPrivilegedMBeanServerInterceptor.getAttributes(SuperPrivilegedMBeanServerInterceptor.java:99) at oracle.dms.impl.producer.MetricConvertor.getColumnValues(MetricConvertor.java:384) at oracle.dms.impl.producer.MetricConvertor.getTable(MetricConvertor.java:342) at oracle.dms.impl.producer.J2EETableSource.getTable(J2EETableSource.java:91) at oracle.dms.table.MultiTableSource.getTable(MultiTableSource.java:107) at oracle.dms.table.TableSource.getTables(TableSource.java:276) at oracle.dms.aggregator.Storage.getTables(Storage.java:712) at oracle.dms.aggregator.Sampler._sampleTable(Sampler.java:710) at oracle.dms.aggregator.Sampler._setOff(Sampler.java:675) at oracle.dms.aggregator.Sampler.access$200(Sampler.java:43) at oracle.dms.aggregator.Sampler$SampleTask.run(Sampler.java:846) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:304) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:178) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at oracle.dms.aggregator.DmsThreadFactory$1$1.run(DmsThreadFactory.java:56) at java.security.AccessController.doPrivileged(Native Method) at oracle.dms.aggregator.DmsThreadFactory$1.run(DmsThreadFactory.java:51) at java.lang.Thread.run(Thread.java:745)

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