使用springboot2.0.1，数据源使用alibaba的druid，数据库是oracle。启动程序启动报如下错误。同样的程序打包后在其他人电脑可以正常运行，在我电脑上运行就报如下错误。但是在我电脑上用plsql也可以正常连接数据库 ，求大神指点迷津
2018-06-06 10:45:21.242 ERROR 10508 --- [nfoReplicator-0] com.alibaba.druid.pool.DruidDataSource : init datasource error, url: jdbc:oracle:thin:@172.20.26.21:1521:dbtest
java.sql.SQLRecoverableException: IO 错误: Got minus one from a read call, connect lapse 3 ms., Authentication lapse 0 ms.
at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:794)
at oracle.jdbc.driver.PhysicalConnection.connect(PhysicalConnection.java:688)
at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:39)
at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:691)
at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156)
at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:218)
at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150)
at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1560)
at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1623)
at com.alibaba.druid.pool.DruidDataSource.init(DruidDataSource.java:861)
at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:1229)
at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:1225)
at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:90)
at org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils.java:151)
at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:115)
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:78)
at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:324)
at org.springframework.boot.actuate.jdbc.DataSourceHealthIndicator.getProduct(DataSourceHealthIndicator.java:122)
at org.springframework.boot.actuate.jdbc.DataSourceHealthIndicator.doDataSourceHealthCheck(DataSourceHealthIndicator.java:109)
at org.springframework.boot.actuate.jdbc.DataSourceHealthIndicator.doHealthCheck(DataSourceHealthIndicator.java:104)
at org.springframework.boot.actuate.health.AbstractHealthIndicator.health(AbstractHealthIndicator.java:84)
at org.springframework.boot.actuate.health.CompositeHealthIndicator.health(CompositeHealthIndicator.java:68)
at org.springframework.cloud.netflix.eureka.EurekaHealthCheckHandler.getHealthStatus(EurekaHealthCheckHandler.java:103)
at org.springframework.cloud.netflix.eureka.EurekaHealthCheckHandler.getStatus(EurekaHealthCheckHandler.java:99)
at com.netflix.discovery.DiscoveryClient.refreshInstanceInfo(DiscoveryClient.java:1382)
at com.netflix.discovery.InstanceInfoReplicator.run(InstanceInfoReplicator.java:117)
at com.netflix.discovery.InstanceInfoReplicator$1.run(InstanceInfoReplicator.java:101)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.io.IOException: Got minus one from a read call, connect lapse 3 ms., Authentication lapse 0 ms.
at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:790)
