The log output:
The 2020-05-20 12:51:02
[ERROR] - [Thread: localhost - startStop - 1] - [com. Alibaba. Druid. Pool. DruidDataSource. The init ()] : init datasource ERROR, url: JDBC: oracle: thin: @ X.X.X.X: 1521: former
Java, SQL SQLRecoverableException: No more data to read from the socket
At oracle, the JDBC driver. T4CMAREngine. UnmarshalUB1 (T4CMAREngine. Java: 1157)
At oracle, the JDBC driver. T4C8TTIdty. The receive (T4C8TTIdty. Java: 669)
At oracle, the JDBC driver. T4C8TTIdty. DoRPC (T4C8TTIdty. Java: 576)
At oracle, the JDBC driver. T4CConnection. Connect (T4CConnection. Java: 1166)
At oracle, the JDBC driver. T4CConnection. Logon (T4CConnection. Java: 320)
At oracle, the JDBC driver. PhysicalConnection. & lt; Init> (PhysicalConnection. Java: 546)
At oracle, the JDBC driver. T4CConnection. & lt; Init> (T4CConnection. Java: 236)
At oracle, the JDBC driver. T4CDriverExtension. GetConnection (T4CDriverExtension. Java: 32)
At oracle, the JDBC driver. OracleDriver. Connect (OracleDriver. Java: 521)
At com. Alibaba. Druid. Pool. DruidAbstractDataSource. CreatePhysicalConnection (DruidAbstractDataSource. Java: 1461)
At com. Alibaba. Druid. Pool. DruidAbstractDataSource. CreatePhysicalConnection (DruidAbstractDataSource. Java: 1525)
At com. Alibaba. Druid. Pool. DruidDataSource. Init (DruidDataSource. Java: 734)
At com. Alibaba. Druid. Pool. DruidDataSource. GetConnection (DruidDataSource. Java: 1060)
At com. Alibaba. Druid. Pool. DruidDataSource. GetConnection (DruidDataSource. Java: 1056)
At com. Alibaba. Druid. Pool. DruidDataSource. GetConnection (DruidDataSource. Java: 104)
At com. Jfinal. Plugin. Activerecord. TableBuilder. Build (43) TableBuilder. Java:
At com. Jfinal. Plugin. Activerecord. ActiveRecordPlugin. Start (ActiveRecordPlugin. Java: 226)
At com. Jfinal. Core. Config. StartPlugins (Config. Java: 128)
At com. Jfinal. Core. Config. ConfigPluginWithOrder (Config. Java: 71)
At com. Jfinal. Core. Config. ConfigJFinal (Config. Java: 56)
At com. Jfinal. Core. Jfinal. Init (jfinal. Java: 63)
At com. Jfinal. Core. JFinalFilter. Init (49) JFinalFilter. Java:
The at org. Apache. Catalina. Core. ApplicationFilterConfig. InitFilter (ApplicationFilterConfig. Java: 279)
The at org. Apache. Catalina. Core. ApplicationFilterConfig. GetFilter (ApplicationFilterConfig. Java: 260)
The at org. Apache. Catalina. Core. ApplicationFilterConfig. & lt; Init> (ApplicationFilterConfig. Java: 105)
The at org. Apache. Catalina. Core. StandardContext. FilterStart (StandardContext. Java: 4958)
The at org. Apache. Catalina. Core. StandardContext. StartInternal (StandardContext. Java: 5652)
The at org. Apache. Catalina. Util. LifecycleBase. Start (LifecycleBase. Java: 145)
The at org. Apache. Catalina. Core. ContainerBase. AddChildInternal (ContainerBase. Java: 899)
The at org. Apache. Catalina. Core. ContainerBase. AddChild (ContainerBase. Java: 875)
The at org. Apache. Catalina. Core. StandardHost. AddChild (StandardHost. Java: 652)
The at org. Apache. Catalina. Startup. HostConfig. DeployDirectory (HostConfig. Java: 1260)
The at org. Apache. Catalina. Startup. HostConfig $DeployDirectory. Run (HostConfig. Java: 2002)
The at Java. Util. Concurrent. Executors $RunnableAdapter. Call (511) Executors. Java:
The at Java. Util. Concurrent. FutureTask. Run (FutureTask. Java: 266)
The at Java. Util. Concurrent. ThreadPoolExecutor. RunWorker (ThreadPoolExecutor. Java: 1142)
The at Java. Util. Concurrent. ThreadPoolExecutor $Worker. The run (ThreadPoolExecutor. Java: 617)
The at Java. Lang. Thread. The run (Thread. Java: 745)
The 2020-05-20 12:51:02
[ERROR] - [Thread: localhost - startStop - 1] - [com. Alibaba. Druid. Pool. DruidDataSource. The init ()] : {dataSource - 2} init ERROR
Java, SQL SQLRecoverableException: No more data to read from the socket
At oracle, the JDBC driver. T4CMAREngine. UnmarshalUB1 (T4CMAREngine. Java: 1157)
At oracle, the JDBC driver. T4C8TTIdty. The receive (T4C8TTIdty. Java: 669)
At oracle, the JDBC driver. T4C8TTIdty. DoRPC (T4C8TTIdty. Java: 576)
At oracle, the JDBC driver. T4CConnection. Connect (T4CConnection. Java: 1166)
At oracle, the JDBC driver. T4CConnection. Logon (T4CConnection. Java: 320)
At oracle, the JDBC driver. PhysicalConnection. & lt; Init> (PhysicalConnection. Java: 546)
At oracle, the JDBC driver. T4CConnection. & lt; Init> (T4CConnection. Java: 236)
At oracle, the JDBC driver. T4CDriverExtension. GetConnection (T4CDriverExtension. Java: 32)
At oracle, the JDBC driver. OracleDriver. Connect (OracleDriver. Java: 521)
At com. Alibaba. Druid. Pool. DruidAbstractDataSource. CreatePhysicalConnection (DruidAbstractDataSource. Java: 1461)
At com. Alibaba. Druid. Pool. DruidAbstractDataSource. CreatePhysicalConnection (DruidAbstractDataSource. Java: 1525)
At com. Alibaba. Druid. Pool. DruidDataSource. Init (DruidDataSource. Java: 734)
At com. Alibaba. Druid. Pool. DruidDataSource. GetConnection (DruidDataSource. Java: 1060)
At com. Alibaba. Druid. Pool. DruidDataSource. GetConnection (DruidDataSource. Java: 1056)
At com. Alibaba. Druid. Pool. DruidDataSource. GetConnection (DruidDataSource. Java: 104)
At com. Jfinal. Plugin. Activerecord. TableBuilder. Build (43) TableBuilder. Java:
nullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnull