com.fr.third.alibaba.druid.pool.GetConnectionTimeoutException: wait millis 10015, active 0, maxActive 50

com.fr.third.alibaba.druid.pool.DruidDataSource.getConnectionInternal(DruidDataSource.java.1328)

com.fr.third.alibaba.druid.pool.DruidDataSource.getConnectionDirect(DruidDataSource.java.1143)

com.fr.third.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java.1123)

com.fr.third.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java.1113)

com.fr.third.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java.101)

com.fr.stable.pool.DataSourceAdapter.getConnection(null.-1)

com.fr.stable.pool.DataSourceWrapper.getConnection(null.-1)

com.fr.data.pool.MemoryConnection.create(null.-1)

com.fr.data.auth.Authentication.authenticate(null.-1)

com.fr.data.impl.JDBCDatabaseConnection.createConnection(null.-1)

com.fr.data.impl.JDBCDatabaseConnection.testConnection(null.-1)

com.fr.data.operator.DataOperator$8.call(DataOperator.java.-1)

com.fr.data.operator.DataOperator$8.call(DataOperator.java.-1)

java.util.concurrent.FutureTask.run(FutureTask.java.266)

java.util.concurrent.Executors$RunnableAdapter.call(Executors.java.511)

java.util.concurrent.FutureTask.run(FutureTask.java.266)

java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java.1149)

java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java.624)

java.lang.Thread.run(Thread.java.748)